<\/a>\u30b3\u30f3\u30c6\u30ca\u30fc\u3068\u306f<\/strong><\/h3>\n\u6700\u3082\u5358\u7d14\u306a\u5f62\u5f0f\u306e\u5834\u5408\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u3068\u306f\u8981\u3059\u308b\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u6210\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30b0\u30eb\u30fc\u30d7\u306f\u9694\u96e2\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u540c\u3058\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u3092\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30db\u30b9\u30c8\u5168\u4f53\u304c\u4eee\u60f3\u5316\u3055\u308c\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u3068\u306f\u5bfe\u7167\u7684\u3067\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u3057\u304f\u307f\u3092\u898b\u3066\u3044\u304f\u524d\u306b\u300c\u9694\u96e2\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u300d\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3092\u8aac\u660e\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
\u306a\u304b\u306b\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u304c\u5b9f\u969b\u306b\u306f\u9694\u96e2\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u3067\u306f\u306a\u304f\u4eee\u60f3\u5316\u3092\u4f7f\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u30b1\u30fc\u30b9\u306f\u672c\u7a3f\u306b\u306f\u5f53\u3066\u306f\u307e\u308a\u307e\u305b\u3093\u3002<\/p>\n
<\/a>\u306a\u305c\u30b3\u30f3\u30c6\u30ca\u30fc\u304c\u5fc5\u8981\u306a\u306e\u304b<\/strong><\/h3>\n\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u5229\u7528\u306e\u305f\u3081\u306b\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f7f\u3048\u3070\u30011 \u53f0\u306e\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u8907\u6570\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306f\u300c\u540d\u524d\u7a7a\u9593 (namespace)\u300d\u3068\u3044\u3046\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u3053\u306e\u540d\u524d\u7a7a\u9593\u3092\u4f7f\u3063\u3066\u9694\u96e2\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30b9\u30bf\u30c3\u30af\u3001\u30d5\u30a1\u30a4\u30eb \u30b7\u30b9\u30c6\u30e0\u3001\u305d\u306e\u307b\u304b\u3055\u307e\u3056\u307e\u306a\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u5229\u7528\u304c\u5b9f\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u306e\u9694\u96e2\u3068\u306f\u3001\u5404\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u81ea\u5206\u5c02\u7528\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u74b0\u5883\u3092\u6301\u3066\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u540c\u6642\u306b\u5b9f\u884c\u3067\u304d\u306a\u3044\u8907\u6570\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u540c\u4e00\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u305d\u308c\u305e\u308c\u306b\u5c02\u7528\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u52d5\u4f5c\u3055\u305b\u308c\u3070\u3088\u3044\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u304a\u304b\u3052\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u30db\u30b9\u30c8\u304b\u3089\u62bd\u8c61\u5316\u3055\u308c\u305f\u72ec\u81ea\u306e\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u7fa4\u3068\u5bfe\u8a71\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u3054\u3068\u306b\u9694\u96e2\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u304c\u4f5c\u3089\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7fa4\u306f\u3001\u305d\u308c\u305e\u308c\u304c\u5c02\u7528\u30b5\u30fc\u30d0\u30fc\u5185\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u7279\u5fb4\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u304c\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9 \u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3042\u308b\u7406\u7531\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc\u306b\u306f\u9ad8\u3044\u79fb\u690d\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u52d5\u4f5c\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u4efb\u610f\u306e\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3068\u306f\u3044\u3048\u3001\u3053\u3046\u3057\u305f\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u72b6\u6cc1\u306f\u8ab2\u984c\u3082\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u540c\u3058\u30ab\u30fc\u30cd\u30eb\u3092\u5171\u6709\u3057\u3066\u304a\u308a\u3001\u30db\u30b9\u30c8\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u304b\u3089\u5b8c\u5168\u306b\u306f\u9694\u96e2\u3055\u308c\u3066\u3044\u306a\u3044\u30b1\u30fc\u30b9\u304c\u591a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u306e\u5236\u7d04\u3092\u9003\u308c\u3088\u3046\u3068\u3059\u308b\u653b\u6483\u8005\u304c\u4f7f\u3046\u3001\u3055\u307e\u3056\u307e\u306a\u6280\u8853\u304b\u3089\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u6280\u8853\u306f\u7dcf\u79f0\u3057\u3066\u300c\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n
<\/a>\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u304b<\/strong><\/h3>\n\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u90e8\u306e\u3057\u304f\u307f\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3059\u308b\u524d\u306b\u3001Linux \u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Linux \u3067\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u751f\u6210\u3055\u308c\u308b\u3068\u3001\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u89aa\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u5c5e\u6027 (attribute) \u3092\u7d99\u627f\u3057\u307e\u3059\u3002\u305d\u308c\u306b\u306f\u6b21\u306e\u3082\u306e\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
\n- \u6a29\u9650<\/li>\n
- \u74b0\u5883\u5909\u6570 (\u660e\u793a\u7684\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408)<\/li>\n
- \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3<\/li>\n
- \u540d\u524d\u7a7a\u9593<\/li>\n<\/ul>\n
\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5229\u7528\u3057\u3066\u9694\u96e2\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u62c5\u5f53\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0<\/a>\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u30d7\u30ed\u30bb\u30b9\u958b\u59cb\u3068\u305d\u306e\u5c5e\u6027\u306e\u8abf\u6574\u3068\u3044\u3046\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u3066\u3001\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u81ea\u4f53\u306b\u52a0\u3048\u3066\u305d\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u3059\u3079\u3066\u306e\u5236\u9650\u3084\u9694\u96e2\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u306f\u300cinit<\/span>\u300d\u306b\u540d\u524d\u304c\u5909\u66f4\u3055\u308c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\u901a\u5e38\u306f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u304c\u76f4\u63a5\u4f7f\u308f\u308c\u308b\u3053\u3068\u306f\u306a\u304f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc CLI \u3084\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u901a\u4fe1\u3059\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3 \u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u901a\u3058\u3066\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc CLI \u306e\u4f8b\u3068\u3057\u3066\u306f\u3001Docker Engine<\/a> \u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002Docker Engine \u306f containerd<\/a> \u3092\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u3057\u3066\u4f7f\u3044\u3001Dockerfile<\/a> \u3092\u30b3\u30f3\u30c6\u30ca\u30fc\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002\u307b\u304b\u306b\u3088\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3 \u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u306f Kubernetes<\/a> \u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3061\u3089\u3082\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u3057\u3066 containerd \u3092\u4f7f\u3048\u307e\u3059\u3002<\/p>\n\u30d7\u30ed\u30bb\u30b9\u306e\u9694\u96e2\u3042\u305f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0<\/a>\u304c\u5909\u66f4\u3059\u308b\u5c5e\u6027\u3068\u3057\u3066\u306f\u6b21\u306e\u3082\u306e\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n- \u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb (\u8cc7\u683c\u60c5\u5831)<\/li>\n
- \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3<\/li>\n
- Linux Security Modules (LSM)<\/a><\/li>\n
- seccomp (Secure computing)<\/a><\/li>\n
- \u540d\u524d\u7a7a\u9593<\/li>\n
- \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30b0\u30eb\u30fc\u30d7 (cgroups)<\/a><\/li>\n<\/ul>\n
\u3059\u3079\u3066\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30f3\u30b8\u30f3\u304c\u3053\u308c\u3089\u5404\u5c5e\u6027\u3092\u6d3b\u7528\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u591a\u304f\u306e\u30a8\u30f3\u30b8\u30f3\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u3057\u304f\u307f\u3092\u3082\u3063\u3068\u3088\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u9694\u96e2\u3068\u6a29\u9650\u306e\u5236\u9650\u306b\u3068\u304f\u306b\u95a2\u9023\u306e\u6df1\u3044 2 \u3064\u306e\u5c5e\u6027\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3068\u540d\u524d\u7a7a\u9593\u306e\u4f8b\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
<\/a>\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3<\/h4>\n\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306b\u3064\u3044\u3066\u3001Linux \u306e man \u30da\u30fc\u30b8<\/a> \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n\u300cLinux \u3067\u306f\u3001\u5f93\u6765\u30b9\u30fc\u30d1\u30fc\u30e6\u30fc\u30b6\u30fc\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u305f\u6a29\u9650\u3092\u3001\u72ec\u7acb\u3057\u3066\u6709\u52b9\u5316\u30fb\u7121\u52b9\u5316\u306e\u3067\u304d\u308b\u3001\u300e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u300f\u3068\u547c\u3070\u308c\u308b\u500b\u5225\u306e\u5358\u4f4d\u306b\u5206\u5272\u3057\u3066\u3044\u307e\u3059\u3002<\/em>\u300d<\/p>\n\u672c\u8cea\u7684\u306b\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u5c5e\u6027\u3068\u3044\u3046\u306e\u306f\u3001\u305d\u306e\u540d\u524d\u306e\u610f\u5473\u3059\u308b\u300c\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u53ef\u80fd (capable) \u306a\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u7bc4\u56f2\u300d\u305d\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n
Linux \u304c\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u5c5e\u6027\u3092\u5b9f\u88c5\u3057\u305f\u7406\u7531\u306f\u3001\u5358\u7d14\u306a\u30e6\u30fc\u30b6\u30fc\u3084\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u3067\u306a\u304f\u3001\u3082\u3063\u3068\u591a\u304f\u306e\u624b\u6bb5\u3067\u30d7\u30ed\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u5c5e\u6027\u306f\u3001\u3068\u304f\u306b root \u6a29\u9650\u3092\u6301\u3064\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3067\u304d\u308b\u64cd\u4f5c\u3092\u5236\u9650\u3057\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u56f3 1 \u306f\u3001Linux \u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306e\u5305\u62ec\u7684\u306a\u30ea\u30b9\u30c8\u3067\u3059\u3002<\/p>\n![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u9ed2\u3044\u80cc\u666f\u306b\u767d\u3044\u7b49\u5e45\u30d5\u30a9\u30f3\u30c8\u3067\u793a\u3057\u305f]()
\u56f3 1. \u5229\u7528\u53ef\u80fd\u306a Linux \u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306e\u30ea\u30b9\u30c8<\/figcaption><\/figure>\n\u56f3 1 \u306b\u793a\u3057\u305f\u3088\u3046\u306b\u3001chown<\/span> (cap_chown<\/span><\/a>) \u3084 ptrace<\/span> (cap_sys_ptrace<\/span><\/a>) \u306a\u3069\u306e\u3088\u304f\u4f7f\u308f\u308c\u308b\u64cd\u4f5c\u3067\u3059\u3089\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u5236\u5fa1\u53ef\u80fd\u306a root \u64cd\u4f5c\u306e\u4e00\u89a7\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b Linux \u306e man \u30da\u30fc\u30b8<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\u3053\u306e\u30ed\u30b8\u30c3\u30af\u306f\u5358\u7d14\u3067\u3059\u3002\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u524a\u9664\u3059\u308b\u3068\u3001\u305f\u3068\u3048 root \u6a29\u9650\u304c\u3042\u3063\u3066\u3082\u5bfe\u5fdc\u3059\u308b\u64cd\u4f5c\u306f\u5b9f\u884c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001cap_sys_ptrace<\/span> \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u524a\u9664\u3057\u305f\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8d77\u52d5\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u306e\u6a29\u9650\u30ec\u30d9\u30eb\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30d7\u30ed\u30bb\u30b9\u306f\u307b\u304b\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3057\u3066 ptrace<\/span> \u30b7\u30b9\u30c6\u30e0 \u30b3\u30fc\u30eb (syscall<\/span>) \u3092\u5b9f\u884c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\u30b3\u30f3\u30c6\u30ca\u30fc\u4f5c\u6210\u306b\u304b\u304b\u308f\u308b\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u4e0d\u8981\u306a\u9ad8\u6a29\u9650\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u6226\u7565\u7684\u306b\u524a\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30f3\u30b8\u30f3\u306f root \u6a29\u9650\u3067\u3082\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u5b89\u5168\u306b\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u3001Linux \u306e\u7d99\u627f\u53ef\u80fd\u306a\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u3063\u3066\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u305f\u3060\u3057\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30f3\u30b8\u30f3\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u7acb\u3066\u308b\u3055\u3044\u3001\u7ba1\u7406\u8005\u304c\u9ad8\u6a29\u9650\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u5168\u90e8\u306f\u524a\u9664\u3057\u3066\u3044\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u3046\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u30d7\u30ed\u30bb\u30b9\u304c\u5229\u7528\u3067\u304d\u308b\u7279\u5b9a\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306b\u57fa\u3065\u3044\u3066\u3001\u653b\u6483\u8005\u3089\u306f\u305d\u308c\u3089\u6b8b\u3055\u308c\u305f\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u624b\u6bb5\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
<\/a>\u540d\u524d\u7a7a\u9593<\/h4>\n\u540d\u524d\u7a7a\u9593\u306b\u3064\u3044\u3066\u306e Linux man \u30da\u30fc\u30b8<\/a> \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n\u300c\u540d\u524d\u7a7a\u9593\u306f\u30b0\u30ed\u30fc\u30d0\u30eb \u30b7\u30b9\u30c6\u30e0 \u30ea\u30bd\u30fc\u30b9\u3092\u62bd\u8c61\u5316\u3057\u3066\u30e9\u30c3\u30d7\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u540d\u524d\u7a7a\u9593\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306f\u3001\u81ea\u5206\u5c02\u7528\u306e\u9694\u96e2\u3055\u308c\u305f\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u3078\u306e\u5909\u66f4\u306f\u3001\u305d\u306e\u540d\u524d\u7a7a\u9593\u306e\u30e1\u30f3\u30d0\u30fc\u3067\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306f\u898b\u3048\u307e\u3059\u304c\u3001\u305d\u308c\u4ee5\u5916\u306e\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306f\u898b\u3048\u307e\u305b\u3093\u3002\u540d\u524d\u7a7a\u9593\u306e\u7528\u9014\u306e 1 \u3064\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5b9f\u88c5\u3067\u3059\u3002<\/em>\u300d<\/p>\n\u30d7\u30ed\u30bb\u30b9\u7ba1\u7406\u306b\u304a\u3044\u3066\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306f\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u300c\u4f55<\/em>\u300d\u3092\u5b9f\u884c\u3067\u304d\u308b\u306e\u304b\u3092\u5b9a\u7fa9\u3057\u3001\u540d\u524d\u7a7a\u9593\u306f\u305d\u308c\u3089\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u300c\u3069\u3053<\/em>\u300d\u3067\u5b9f\u884c\u3067\u304d\u308b\u306e\u304b\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u8a00\u3063\u3066\u3057\u307e\u3048\u3070\u540d\u524d\u7a7a\u9593\u3068\u306f\u3001\u300c\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u3068\u305d\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u304c\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u5185\u306b\u72ec\u81ea\u306e\u6392\u4ed6\u7684\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6240\u6709\u3057\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u62bd\u8c61\u5316\u30ec\u30a4\u30e4\u30fc\u300d\u3067\u3059\u3002<\/p>\n\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u540d\u524d\u7a7a\u9593\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u305e\u308c\u304c\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0 (OS) \u5185\u3067\u7279\u5b9a\u306e\u7a2e\u985e\u306e\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u3092\u53d7\u3051\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3044\u3061\u3070\u3093\u308f\u304b\u308a\u3084\u3059\u3044\u540d\u524d\u7a7a\u9593\u306e 1 \u3064\u306f\u3001PID (\u30d7\u30ed\u30bb\u30b9\u8b58\u5225\u5b50) \u540d\u524d\u7a7a\u9593\u3067\u3059\u3002\u7ba1\u7406\u8005\u307e\u305f\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u65b0\u3057\u3044 PID \u540d\u524d\u7a7a\u9593\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001OS \u306f\u540d\u524d\u7a7a\u9593\u306e\u4f5c\u6210\u3092\u62c5\u5f53\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306b PID 1 \u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002\u6b21\u306b OS \u306f\u6b21\u306e PID \u3067\u3042\u308b 2 \u3092\u6700\u521d\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u30013 \u3092 2 \u756a\u76ee\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u30014 \u3092 3 \u756a\u76ee\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u3001\u3068\u3044\u3046\u3088\u3046\u306b\u5272\u308a\u5f53\u3066\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304c root \u6a29\u9650\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u3066 cap_kill<\/span><\/a> \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u3082\u3063\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u30b7\u30ca\u30ea\u30aa\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u5834\u5408\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u6a29\u9650\u306e\u30c1\u30a7\u30c3\u30af\u3092\u56de\u907f\u3057\u3001\u307b\u307c\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7d42\u4e86\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u65b0\u3057\u3044 PID \u540d\u524d\u7a7a\u9593\u5185\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86\u80fd\u529b\u306f\u540c\u4e00\u540d\u524d\u7a7a\u9593\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3057\u3066\u306b\u9650\u3089\u308c\u307e\u3059\u3002cap_kill<\/span> \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u6301\u3064\u3053\u306e\u5143\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3068\u3063\u3066\u3001\u81ea\u8eab\u306e PID \u540d\u524d\u7a7a\u9593\u5916\u90e8\u306b\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u672c\u8cea\u7684\u306b\u5b58\u5728\u3057\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n\u57fa\u672c\u7684\u306b\u540d\u524d\u7a7a\u9593\u306f\u9694\u96e2\u5f37\u5236\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3082\u306e\u3067\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3084 seccomp \u306a\u3069\u306e\u8ffd\u52a0\u6a5f\u80fd\u3092\u5099\u3048\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u610f\u56f3\u305b\u305a\u307b\u304b\u306e\u540d\u524d\u7a7a\u9593\u306b\u5e72\u6e09\u3057\u305f\u308a\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u305f\u308a\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4e0b\u306e\u56f3 2 \u306f\u3001\u5229\u7528\u53ef\u80fd\u306a Linux \u306e\u540d\u524d\u7a7a\u9593\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u540d\u524d\u7a7a\u9593\u306b\u95a2\u3059\u308b Linux \u306e man \u30da\u30fc\u30b8<\/a>\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n![\"\u3053\u308c\u306f]()
\u56f3 2. \u5229\u7528\u53ef\u80fd\u306a Linux \u540d\u524d\u7a7a\u9593\u306e\u30ea\u30b9\u30c8\u3068\u305d\u306e\u7c21\u5358\u306a\u8aac\u660e<\/figcaption><\/figure>\n<\/a>\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7<\/h2>\n\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u3044\u3046\u3068\u300c\u30db\u30b9\u30c8 \u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u80fd\u529b\u300d\u3060\u3051\u3092\u9023\u60f3\u3059\u308b\u65b9\u304c\u304a\u3089\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u6280\u8853\u304c\u3069\u308c\u3082\u3053\u306e\u67a0\u306b\u53ce\u307e\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u306f\u3001\u653b\u6483\u8005\u304c\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f7f\u3063\u3066\u30db\u30b9\u30c8\u304b\u3089\u30c7\u30fc\u30bf\u3092\u76d7\u3093\u3060\u308a\u3001\u7279\u6a29\u6607\u683c\u3092\u5b9f\u884c\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u6280\u8853\u306e\u4f8b\u3092\u3044\u304f\u3064\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
<\/a>\u4f8b 1: \u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc<\/strong><\/h3>\n\u6700\u521d\u306e\u4f8b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u3068\u547c\u3070\u308c\u308b\u4e00\u9023\u306e\u6280\u8853\u3067\u3059\u3002\u3053\u306e\u4f8b\u306f call_usermodehelper<\/span><\/a> \u30ab\u30fc\u30cd\u30eb\u95a2\u6570\u3092\u60aa\u7528\u3059\u308b\u3053\u3068\u304b\u3089\u305d\u306e\u540d\u304c\u4ed8\u304d\u307e\u3057\u305f\u3002<\/p>\n<\/a>\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n\u30c9\u30e9\u30a4\u30d0\u30fc\u5411\u3051\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u308b call_usermodehelper<\/span> \u95a2\u6570\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u304b\u3089\u76f4\u63a5\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u6e96\u5099\u3057\u3066\u958b\u59cb\u3059\u308b\u3053\u3068\u3067\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u3067\u7a3c\u50cd\u3059\u308b\u4efb\u610f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u6607\u683c\u3055\u308c\u305f\u6a29\u9650\u3067\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\u305f\u3060\u3057\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30c9\u30e9\u30a4\u30d0\u30fc\u305d\u306e\u307b\u304b\u306e\u30ab\u30fc\u30cd\u30eb \u30e2\u30fc\u30c9 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3001\u540c\u3058\u6607\u683c\u3055\u308c\u305f\u6a29\u9650\u3067\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u3068\u3044\u3046\u7528\u8a9e\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u3053\u3046\u3057\u305f\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d5\u30a1\u30a4\u30eb\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u72b6\u6cc1\u3092\u542b\u610f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u3067\u5f37\u8abf\u3057\u3066\u304a\u304d\u305f\u3044\u306e\u304c\u3001\u653b\u6483\u8005\u304c\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u3067\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u30fb\u5909\u66f4\u3059\u308c\u3070\u3001\u30ab\u30fc\u30cd\u30eb\u3092\u9a19\u3057\u3066\u3055\u307e\u3056\u307e\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092 root \u6a29\u9650\u3067\u5b9f\u884c\u3067\u304d\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u3053\u308c\u306b\u306f root \u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u653b\u6483\u8005\u304c\u6607\u683c\u3055\u308c\u305f\u6a29\u9650\u304b\u60aa\u7528\u53ef\u80fd\u306a\u8106\u5f31\u6027\u3092\u7a81\u3044\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5236\u5fa1\u3092\u596a\u3063\u305f\u5834\u5408\u3001\u305d\u306e\u653b\u6483\u8005\u304c\u5fc5\u8981\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u3068\u308b\u306e\u306f\u5bb9\u6613\u3067\u3059\u3002<\/p>\n
<\/a>\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc: release_agent<\/strong><\/h5>\n\u3053\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u306f\u3001cgroup \u3068\u305d\u306e release_agent<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u6d3b\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u904e\u53bb\u306b cgroup \u306b\u5f71\u97ff\u3059\u308b\u8106\u5f31\u6027<\/a>\u306b\u3064\u3044\u3066\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u6280\u8853\u306f\u8106\u5f31\u6027\u306b\u57fa\u3065\u304f\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002root \u6a29\u9650\u3092\u6301\u3064\u653b\u6483\u8005\u304c\u3053\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3092\u5b9f\u73fe\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002cgroups<\/a> \u306f\u30d7\u30ed\u30bb\u30b9\u3078\u306e\u30ea\u30bd\u30fc\u30b9\u5272\u308a\u5f53\u3066\u8abf\u6574\u306b\u4f7f\u308f\u308c\u3066\u3044\u3066\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\u3092\u5236\u9650\u3059\u308b\u624b\u6bb5\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\u4eca\u56de\u306e\u4f8b\u3067\u306f\u3001cgroup \u306e release_agent<\/span> \u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u306b\u30012019 \u5e74\u306e Black Hat USA \u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u3001Brandon Edwards \u6c0f\u3068 Nick Freeman \u6c0f\u306b\u3088\u308a\u6700\u521d\u306b\u767a\u8868\u3055\u308c\u305f [PDF] <\/a>\u6280\u8853\u3092\u7528\u3044\u307e\u3059\u3002\u7279\u5b9a\u306e cgroup \u306e release_agent<\/span> \u3092\u6709\u52b9\u306b\u3059\u308c\u3070\u3001\u5bfe\u8c61 cgroup \u304c\u7a7a\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u653b\u6483\u8005\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002Linux \u306f cgroups \u306e\u9069\u5207\u306a\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u306e\u305f\u3081\u306e\u3053\u306e\u6a5f\u80fd\u3092\u542b\u3081\u3066\u3044\u307e\u3059\u304c\u3001OS \u306f\u4f55\u3089\u53b3\u5bc6\u306a\u5236\u7d04\u3092\u6301\u3063\u3066\u304a\u3089\u305a\u3001\u4efb\u610f\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\u3053\u306e\u6280\u8853\u306e\u5b9f\u88c5\u306b\u306f\u6b21\u306e\u624b\u9806\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
\n- \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092 1 \u3064\u4f5c\u6210\u3057\u3066\u305d\u308c\u3092\u30de\u30a6\u30f3\u30c8\u3057\u3001cgroup \u3092 1 \u3064\u5272\u308a\u5f53\u3066\u307e\u3059\u3002<\/li>\n
- \u305d\u306e cgroup \u5185\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092\u4f5c\u6210\u3057\u3066\u65b0\u305f\u306a\u30b0\u30eb\u30fc\u30d7\u3092\u4f5c\u308a\u307e\u3059\u3002<\/li>\n
- notify_on_release<\/span> \u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092 1<\/span> \u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u306e\u30e1\u30ab\u30cb\u30ba\u30e0 (\u3059\u3079\u3066\u306e\u65b0\u3057\u3044 cgroup \u306b\u5b58\u5728) \u304c\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n
- release_agent<\/span> \u30d5\u30a1\u30a4\u30eb\u5185\u3067\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u7d76\u5bfe\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3059\u3079\u3066\u306e\u7a2e\u985e\u306e cgroup \u306e\u30eb\u30fc\u30c8 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306b\u5b58\u5728\u3057\u3066\u3044\u3066\u3001\u5168 cgroups \u9593\u3067\u5171\u6709\u3055\u308c\u307e\u3059\u3002\u30eb\u30fc\u30c8 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306e\u7d76\u5bfe\u30d1\u30b9\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089 \/etc\/mtab<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u7167\u4f1a\u3059\u308c\u3070\u53d6\u5f97\u3067\u304d\u307e\u3059 (\u56f3 3 \u53c2\u7167)\u3002<\/li>\n
- cgroup.procs<\/span> \u30d5\u30a1\u30a4\u30eb\u306b 0<\/span> \u3092\u66f8\u304d\u8fbc\u3093\u3067\u30b0\u30eb\u30fc\u30d7\u3092\u7a7a\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u30b0\u30eb\u30fc\u30d7\u304c\u521d\u671f\u72b6\u614b\u3067\u7a7a\u3067\u3082\u3001release_agent<\/span> \u3067\u6307\u5b9a\u3055\u308c\u305f\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306f\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n
\u4ee5\u4e0b\u306e\u56f3 3 \u306f\u3001\u7c21\u6f54\u306a\u30b7\u30a7\u30eb \u30b3\u30de\u30f3\u30c9\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u3053\u306e\u6280\u8853\u3092\u5b9f\u88c5\u3057\u305f\u4f8b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
![\"\u767d\u3067\u8868\u793a\u3055\u308c\u305f\u8907\u6570\u884c\u306e\u30b3\u30fc\u30c9\u306b\u306f\u3001\u3055\u307e\u3056\u307e\u306a]()
\u56f3 3. \u30b7\u30a7\u30eb \u30b3\u30de\u30f3\u30c9\u3067 release_agent<\/span> \u30a8\u30b9\u30b1\u30fc\u30d7\u3092\u5b9f\u88c5\u3057\u305f\u3068\u3053\u308d (\u51fa\u5178: A compendium of container escapes - Brandon Edwards and Nick Freeman - Black Hat USA 19 [PDF]<\/a>)<\/figcaption><\/figure>\u3053\u308c\u306f\u3001\u6b63\u5f53\u306a\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u3092\u4f7f\u3063\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u30b7\u30a7\u30eb \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u305f\u4f8b\u3067\u3059\u3002<\/p>\n\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u305f\u3081\u306e\u305d\u306e\u307b\u304b\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u3082\u3001\u3053\u306e\u4f8b\u3068\u4f3c\u305f\u30d1\u30bf\u30fc\u30f3\u306b\u306a\u3089\u3044\u307e\u3059\u3002\u3053\u3053\u91cd\u8981\u306a\u306e\u306f\u3001\u300c\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u95a2\u9023\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3067\u304d\u308b\u306a\u3089\u30db\u30b9\u30c8 \u30b7\u30b9\u30c6\u30e0\u4e0a\u3067 root \u6a29\u9650\u3067\u4efb\u610f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3067\u304d\u308b\u300d\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n
\u79c1\u305f\u3061\u306e\u8abf\u67fb\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u304c\u6700\u3082\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u3046\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e3b\u306a\u7406\u7531\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u304c\u6bd4\u8f03\u7684\u5bb9\u6613\u306a\u3053\u3068\u3001\u3046\u307e\u304f\u5b9f\u88c5\u3067\u304d\u305f\u5834\u5408\u306e\u5f71\u97ff\u304c\u5927\u304d\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n
<\/a>\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u653b\u6483\u6280\u8853\u306e\u691c\u51fa\u65b9\u6cd5<\/h4>\n\u3053\u308c\u3089\u4e00\u9023\u306e\u6280\u8853\u306e\u691c\u51fa\u306b\u306f\u4f53\u7cfb\u7684\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n
\n- call_usermodehelper<\/span> \u547c\u3073\u51fa\u3057\u306e\u30de\u30c3\u30d4\u30f3\u30b0:<\/strong> \u6700\u521d\u306b\u30ab\u30fc\u30cd\u30eb\u304c\u4f7f\u3046 call_usermodehelper<\/span> \u306e\u5168\u547c\u3073\u51fa\u3057\u3092\u7db2\u7f85\u3057\u305f\u4e00\u89a7\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n
- \u5f71\u97ff\u3092\u53d7\u3051\u308b\u547c\u3073\u51fa\u3057\u306e\u7279\u5b9a:<\/strong> \u3069\u306e call_usermodehelper<\/span> \u547c\u3073\u51fa\u3057\u304c\u30d5\u30a1\u30a4\u30eb\u7d4c\u7531\u3067\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u64cd\u4f5c\u3055\u308c\u3046\u308b\u304b\u3092\u898b\u5b9a\u3081\u307e\u3059\u3002<\/li>\n
- \u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5909\u66f4\u306e\u8a55\u4fa1:<\/strong> \u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u5909\u66f4\u3057\u3001\u6307\u5b9a\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3067\u304d\u308b\u304b\u8abf\u3079\u307e\u3059\u3002<\/li>\n
- \u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc \u30d5\u30a1\u30a4\u30eb\u306e\u76e3\u8996:<\/strong> \u4e0b\u6e96\u5099\u304c\u6574\u3063\u305f\u3089\u3001\u5404\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u95a2\u9023\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u5909\u66f4\u3092\u691c\u51fa\u6226\u7565\u304c\u76e3\u8996\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3068\u304f\u306b\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u304b\u3089\u767a\u751f\u3057\u305f\u5909\u66f4\u306e\u8b58\u5225\u304c\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n
\u3053\u3046\u3057\u305f\u591a\u6bb5\u968e\u30d7\u30ed\u30bb\u30b9\u3092\u8e0f\u3080\u3053\u3068\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u60aa\u7528\u306b\u304b\u3089\u3080\u6f5c\u5728\u7684\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ea\u30b9\u30af\u306e\u4e8b\u524d\u7684\u691c\u51fa\u30fb\u7de9\u548c\u80fd\u529b\u5411\u4e0a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n
<\/a>\u5b9f\u5730\u3067\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u653b\u6483\u6280\u8853\u306e\u691c\u51fa<\/h4>\n\u4e0b\u306e\u56f3 4 \u306f\u3001DEEPCE<\/a> \u30ea\u30dd\u30b8\u30c8\u30ea\u30fc\u304b\u3089\u5f97\u305f deepce.sh<\/span> \u3068\u3044\u3046\u4fb5\u5165\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u3067 release_agent<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u3053\u308d\u3092 Cortex XDR \u304c\u7279\u5b9a\u3057\u305f\u69d8\u5b50\u3067\u3059\u3002<\/p>\n![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc]()
\u56f3 4. ![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc]()
\u56f3 4. DEEPCE \u3092\u4f7f\u3063\u305f release_agent<\/span> \u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u8a66\u884c\u3067\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u305f Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8<\/figcaption><\/figure>\n\u56f3 4 \u306f Cortex XDR \u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 \u30ec\u30dd\u30fc\u30c8\u5185\u306e\u30a2\u30e9\u30fc\u30c8\u306e\u56e0\u679c\u95a2\u4fc2\u30c1\u30a7\u30fc\u30f3\u3092\u793a\u3057\u305f\u56f3\u3067\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u3059\u308b\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a2\u30e9\u30fc\u30c8\u306f\u6307\u5b9a\u3055\u308c\u305f\u30c4\u30fc\u30eb\u306b\u3088\u308b\u30d7\u30ed\u30bb\u30b9\u5b9f\u884c\u30c4\u30ea\u30fc\u3092\u660e\u793a\u3057\u3001\u3069\u306e\u6bb5\u968e\u3067\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u691c\u51fa\u3055\u308c\u3001\u305d\u306e\u5b9f\u884c\u304c\u963b\u6b62\u3055\u308c\u305f\u304b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u56f3 4 \u306e Cortex XDR \u30a2\u30e9\u30fc\u30c8\u306f\u305d\u306e\u30c4\u30fc\u30eb\u306e\u30b3\u30de\u30f3\u30c9 \u30e9\u30a4\u30f3\u3082\u5408\u308f\u305b\u3066\u8868\u793a\u3059\u308b\u3053\u3068\u3067\u30c4\u30fc\u30eb\u5b9f\u884c\u306b\u307e\u3064\u308f\u308b\u8a73\u7d30\u306a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
<\/a>\u4f8b 2: SUID \u3092\u4f7f\u7528\u3057\u305f\u7279\u6a29\u6607\u683c<\/strong><\/h3>\n\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u672c\u7a3f\u524d\u534a\u3067\u8aac\u660e\u3057\u305f\u30e1\u30ab\u30cb\u30ba\u30e0 (\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3001\u540d\u524d\u7a7a\u9593\u3001seccomp \u306a\u3069) \u3067\u5f37\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u591a\u304f\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u30db\u30b9\u30c8\u4e0a\u3067 root \u6a29\u9650\u3067\u52d5\u4f5c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u306f\u305d\u3053\u3092\u7a81\u304f\u3082\u306e\u3067\u3059\u3002<\/p>\n
<\/a>SUID \u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n\u3053\u306e\u6280\u8853\u3092\u4f7f\u3048\u3070\u3001\u3042\u308b\u30db\u30b9\u30c8\u4e0a\u3067\u9650\u5b9a\u7684\u306a\u6a29\u9650\u3092\u6301\u3063\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u304c\u3001\u305d\u306e\u30db\u30b9\u30c8\u4e0a\u306b\u5b58\u5728\u3059\u308b root \u6a29\u9650\u3067\u52d5\u304f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5185\u90e8\u304b\u3089\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u653b\u6483\u8005\u304c\u30db\u30b9\u30c8\u3078\u306e\u521d\u671f\u30a2\u30af\u30bb\u30b9\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u524d\u63d0\u306a\u306e\u3067\u3001\u3053\u308c\u306f\u5b8c\u5168\u306a\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u6700\u521d\u306f\u3054\u304f\u9650\u3089\u308c\u305f\u6a29\u9650\u3057\u304b\u6301\u3063\u3066\u3044\u306a\u3044\u653b\u6483\u8005\u3067\u3082\u3001\u3053\u308c\u3092\u4f7f\u3048\u3070\u305d\u306e\u30db\u30b9\u30c8\u4e0a\u3067 root \u30ec\u30d9\u30eb\u306e\u6a29\u9650\u3067\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u653b\u6483\u8005\u304c\u3053\u306e\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u308b\u7406\u7531\u306f\u3001\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc\u304c\u30db\u30b9\u30c8\u3068\u540c\u3058\u30e6\u30fc\u30b6\u30fc\u540d\u524d\u7a7a\u9593\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u8a2d\u5b9a\u3055\u308c\u305f SUID\/GUID \u6a29\u9650\u30d3\u30c3\u30c8\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u5916\u3067\u3082\u305d\u306e\u6a29\u9650\u3092\u4fdd\u6301\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u3053\u308c\u306f\u591a\u304f\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u3067\u3088\u304f\u3042\u308b\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u653b\u6483\u306e\u5b9f\u884c\u306b\u306f\u4ee5\u4e0b\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\n- \u30db\u30b9\u30c8\u3068\u540c\u3058\u30e6\u30fc\u30b6\u30fc\u540d\u524d\u7a7a\u9593\u5185\u3067 root \u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u30fc<\/li>\n
- \u30db\u30b9\u30c8\u3068\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u4e21\u65b9\u304b\u3089\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc<\/li>\n
- \u30db\u30b9\u30c8\u4e0a\u306e\u30b7\u30a7\u30eb<\/li>\n
- \u30b3\u30f3\u30c6\u30ca\u30fc\u4e0a\u306e\u30b7\u30a7\u30eb<\/li>\n<\/ul>\n
\u3053\u306e\u6280\u8853\u3092\u4f7f\u3046\u653b\u6483\u8005\u306f\u4ee5\u4e0b\u306e\u624b\u9806\u3092\u8e0f\u307f\u307e\u3059\u3002<\/p>\n
\n- \u30b3\u30f3\u30c6\u30ca\u30fc\u3068\u30db\u30b9\u30c8\u304c\u5171\u6709\u3057\u3066\u3044\u308b\u65e2\u5b58\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306b\u3001\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\n\u653b\u6483\u8005\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u5074\u3001\u30db\u30b9\u30c8\u5074\u306e\u3044\u305a\u308c\u306e\u5074\u304b\u3089\u3067\u3082\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/li>\n - \u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089 SUID \u6a29\u9650\u30d3\u30c3\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n
- \u30b3\u30f3\u30c6\u30ca\u30fc\u5916\u90e8\u304b\u3089 SUID \u3092\u6301\u3064\u30d0\u30a4\u30ca\u30ea\u30fc\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
\u3053\u308c\u3089\u306e\u624b\u9806\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u653b\u6483\u8005\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306f\u305d\u306e\u30db\u30b9\u30c8\u4e0a\u3067 root \u6a29\u9650\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u524d\u63d0\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u3066\u3044\u308b\u306a\u3089\u3001\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u3053\u306e\u653b\u6483\u306f\u5bb9\u6613\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u3078\u306e SUID \u6a29\u9650\u30d3\u30c3\u30c8\u8a2d\u5b9a\u306f\u7c21\u5358\u306a\u624b\u9806\u3067\u3001\u4ee5\u4e0b\u306e chmod<\/span><\/a> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u3060\u3051\u3067\u3059\u307f\u307e\u3059\u3002<\/p>\nchmod u+s <\u30d5\u30a1\u30a4\u30eb\u540d><\/span><\/strong><\/p>\n<\/a>SUID \u653b\u6483\u6280\u8853\u306e\u691c\u51fa\u65b9\u6cd5<\/h4>\n\u3053\u308c\u306f\u975e\u5e38\u306b\u7279\u6b8a\u306a\u653b\u6483\u6280\u8853\u306a\u306e\u3067\u3001\u653b\u6483\u306e\u91cd\u8981\u6bb5\u968e\u306b\u7684\u3092\u7d5e\u3063\u305f\u691c\u51fa\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n
\n- \u30d5\u30a1\u30a4\u30eb\u4f5c\u6210:<\/strong> \u5b9f\u884c\u304c\u76ee\u7684\u306e\u30d5\u30a1\u30a4\u30eb\u4f5c\u6210\u3092\u76e3\u8996\u3057\u307e\u3059\u3002<\/li>\n
- SUID\/GUID \u30d3\u30c3\u30c8\u306e\u5909\u66f4:<\/strong> \u30b3\u30f3\u30c6\u30ca\u30fc\u3068\u305d\u306e\u30db\u30b9\u30c8\u304c\u5171\u6709\u3057\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306e\u30d5\u30a1\u30a4\u30eb\u306b SUID\/GUID \u30d3\u30c3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306a\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306e chmod \u64cd\u4f5c\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<\/li>\n
- \u30b3\u30f3\u30c6\u30ca\u30fc\u5916\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u5b9f\u884c:<\/strong> SUID\/GUID \u30d3\u30c3\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u3001\u975e root \u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u3063\u3066\u30db\u30b9\u30c8\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
<\/a>\u5b9f\u5730\u3067\u306e SUID \u653b\u6483\u6280\u8853\u691c\u51fa<\/h4>\n\u56f3 5 \u306f\u3001SUID \u6280\u8853\u3092\u4f7f\u3063\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u8a66\u884c\u3092\u691c\u51fa\u30fb\u30d6\u30ed\u30c3\u30af\u3057\u305f Cortex XDR \u304b\u3089\u306e\u30a2\u30e9\u30fc\u30c8\u3067\u3059\u3002<\/p>\n![\"\"]()
\u56f3 5. Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8\u3002SUID \u6280\u8853\u3092\u4f7f\u3063\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u8a66\u307f\u3092\u793a\u3057\u3066\u3044\u308b<\/figcaption><\/figure>\nCortex XDR \u306f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883 (runc<\/span>) \u304b\u3089\u306e bash<\/span> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u7d4c\u7531\u306e chmod<\/span> \u30b3\u30de\u30f3\u30c9\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831\u3057\u3066\u3044\u307e\u3059 (\u56f3 5)\u3002\u3053\u306e chmod<\/span> \u30b3\u30de\u30f3\u30c9\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u3068\u30db\u30b9\u30c8\u304c\u5171\u6709\u3057\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u3001SUID \u6a29\u9650\u30d3\u30c3\u30c8\u3092\u8a2d\u5b9a\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<\/a>\u4f8b 3: \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8<\/strong><\/h3>\n\u30b3\u30f3\u30c6\u30ca\u30fc \u30a4\u30f3\u30d5\u30e9\u306f\u30db\u30b9\u30c8\u74b0\u5883\u5185\u3067\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc \u30e2\u30c7\u30eb\u3067\u52d5\u3044\u3066\u3044\u307e\u3059\u3002Docker \u306a\u3069\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u8aac\u660e\u3057\u3066\u3044\u308b\u3088\u3046\u306b<\/a>\u3001\u30b3\u30f3\u30c6\u30ca\u30fc CLI \u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u4e00\u65b9\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30c7\u30fc\u30e2\u30f3\u306f\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u56f3 6 \u306f Docker \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6982\u8981\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3001\u3053\u308c\u3092\u898b\u308b\u3068\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc\u578b\u306e\u7279\u6027\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n![\"\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3001Docker]()
\u56f3 6. Docker \u30a4\u30f3\u30d5\u30e9\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3 (\u51fa\u5178: Docker \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>)<\/figcaption><\/figure>\n\u3053\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc \u30a4\u30f3\u30d5\u30e9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u30e9\u30f3\u30bf\u30a4\u30e0 \u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306f\u3001API \u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u5916\u90e8\u306b\u516c\u958b\u3057\u3066\u3044\u3066\u3001\u3053\u306e API \u30b5\u30fc\u30d0\u30fc\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3055\u3044\u306e\u901a\u4fe1\u306f\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8<\/a>\u3068\u547c\u3070\u308c\u308b Unix \u30bd\u30b1\u30c3\u30c8<\/a>\u3092\u4ecb\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3001\u5bfe\u8c61\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u305d\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3068\u76f4\u63a5\u5bfe\u8a71\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/a>\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u306e\u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n\u3053\u306e\u6280\u8853\u3092\u4f7f\u3046\u3068\u3001\u653b\u6483\u8005\u306f\u540c\u4e00\u30db\u30b9\u30c8\u4e0a\u306b\u65b0\u305f\u306a\u7279\u6a29\u3064\u304d\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u4f5c\u6210\u5f8c\u306f\u305d\u306e\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f7f\u3063\u3066\u30db\u30b9\u30c8\u5074\u3078\u3068\u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u304c\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306b\u30de\u30a6\u30f3\u30c8\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001API \u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u30b3\u30de\u30f3\u30c9\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u5236\u5fa1\u3092\u78ba\u7acb\u3057\u305f\u653b\u6483\u8005\u306f\u3001\u305d\u306e Unix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb<\/a> \u3092\u4f7f\u3063\u3066 API \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u5bb9\u6613\u306b\u65b0\u305f\u306a\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3057\u3001\u305d\u3053\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3066\u30db\u30b9\u30c8\u5074\u3078\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\nUnix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u305f\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3068\u306e\u3084\u308a\u3068\u308a\u306f\u3001\u6b21\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u3088\u308a\u9054\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n
\n- \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u6307\u5b9a\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 CLI \u3092\u4ecb\u3059\u308b\u65b9\u6cd5<\/li>\n
- curl<\/span> \u306a\u3069\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u3066\u4efb\u610f\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u4ecb\u3057\u3066\u901a\u4fe1\u3059\u308b\u65b9\u6cd5<\/li>\n<\/ul>\n
\u524d\u8005\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3060\u3068\u3001\u653b\u6483\u8005\u306f REST API<\/a> \u306e\u547c\u3073\u51fa\u3057\u3092\u3057\u306a\u304f\u3066\u3082\u901a\u5e38\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u8b58\u5225\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u305d\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u306e CLI \u3092\u53d6\u5f97\u3059\u308b\u306e\u306f\u3072\u3068\u4ed5\u4e8b\u3067\u3057\u3087\u3046\u3002<\/p>\n\u9006\u306b\u3001 curl<\/span> \u306e\u3088\u3046\u306a\u3088\u304f\u3042\u308b\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3046\u3053\u3068\u306b\u3082\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001\u307b\u3068\u3093\u3069\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u306b\u306f\u305d\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u65e2\u306b\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306e\u5834\u5408\u3088\u308a\u8907\u96d1\u306a REST API \u30b3\u30de\u30f3\u30c9\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u304c\u3001API \u30b5\u30fc\u30d0\u30fc\u3068\u901a\u4fe1\u3059\u308b\u305f\u3081\u306e\u8ffd\u52a0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\u4ee5\u4e0b\u306f\u3001Docker \u306e REST API \u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u5bfe\u8a71\u3059\u308b curl<\/span> \u30b3\u30de\u30f3\u30c9\u306e\u4f8b\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u4f8b\u3067\u306f\u3001\u653b\u6483\u8005\u304c\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3057\u3066\u8d77\u52d5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n- curl --unix-socket \/var\/run\/docker.sock http:\/\/localhost\/containers\/json<\/span>\n
\n- \u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u60c5\u5831\u3092\u53d6\u5f97<\/li>\n<\/ul>\n<\/li>\n
- curl -H \"Content-Type: application\/json\" --unix-socket \/var\/run\/docker.sock -d {json_containing_container_configuration} http:\/\/localhost\/containers\/create<\/span>\n
\n- \u6307\u5b9a\u3055\u308c\u305f JSON \u69cb\u6210\u306b\u57fa\u3065\u3044\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210<\/li>\n<\/ul>\n<\/li>\n
- curl --unix-socket \/var\/run\/docker.sock http:\/\/localhost\/containers\/{container_id}\/start<\/span>\n
\n- {container_id}<\/span> \u3067\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u8d77\u52d5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u3053\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u6280\u8853\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u653b\u6483\u8005\u306f\u30db\u30b9\u30c8\u306e\u30eb\u30fc\u30c8 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3078\u306e\u30de\u30a6\u30f3\u30c8 \u30dd\u30a4\u30f3\u30c8\u3092\u6301\u3064\u7279\u6a29\u4ed8\u304d\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3053\u306e\u5f8c\u3001\u30db\u30b9\u30c8\u306e\u30d5\u30a1\u30a4\u30eb \u30b7\u30b9\u30c6\u30e0\u3078\u306e\u7279\u6a29\u30a2\u30af\u30bb\u30b9\u3092\u901a\u3058\u3066\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\u30fc\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u304d\u307e\u3059\u3002<\/p>\n
<\/a>\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u653b\u6483\u6280\u8853\u306e\u691c\u51fa\u65b9\u6cd5<\/h4>\n\u3053\u306e\u5f62\u5f0f\u306e\u653b\u6483\u306f\u8907\u6570\u306e\u65b9\u6cd5\u3067\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n
\n- \u30e9\u30f3\u30bf\u30a4\u30e0 Unix \u30bd\u30b1\u30c3\u30c8\u306e\u76e3\u8996:<\/strong> \u6700\u3082\u76f4\u63a5\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 Unix \u30bd\u30b1\u30c3\u30c8\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u76e3\u8996\u3057\u3001\u305d\u308c\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u51fa\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u4f5c\u6210\u3084\u64cd\u4f5c\u306a\u3069\u3001\u5f71\u97ff\u306e\u3042\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u307f\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u8aa4\u691c\u77e5 (FP) \u3092\u6e1b\u3089\u305b\u307e\u3059\u3002<\/li>\n
- Unix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u691c\u51fa:<\/strong> \u5225\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3001Unix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u691c\u51fa\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u306f\u8aa4\u691c\u77e5\u304c\u3064\u304d\u3082\u306e\u3067\u3059\u3002\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u5b8c\u5168\u306a\u53ef\u8996\u6027\u304c\u306a\u3044\u72b6\u614b\u3067\u3001\u95a2\u4fc2\u306a\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u9664\u5916\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u305f\u3081\u3067\u3059\u3002<\/li>\n
- CLI \u307e\u305f\u306f curl<\/span> \u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c<\/strong>: \u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u90e8\u304b\u3089\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u3063\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 CLI \u307e\u305f\u306f curl<\/span> \u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c\u306e\u8b58\u5225\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u691c\u51fa\u3092\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u52b9\u679c\u7684\u3067\u3059\u304c\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b9 \u30b1\u30fc\u30b9\u3092\u6355\u6349\u3067\u304d\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/li>\n
- \u691c\u7d22\u8a66\u884c\u306e\u691c\u51fa:<\/strong> \u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u691c\u7d22\u8a66\u884c\u3092\u691c\u51fa\u3059\u308b\u3068\u3044\u3046\u5225\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3082\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3053\u308c\u3082\u307b\u304b\u306e\u65b9\u6cd5\u3068\u540c\u69d8\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b9 \u30b1\u30fc\u30b9\u3092\u7db2\u7f85\u3067\u304d\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n
\u691c\u51fa\u80fd\u529b\u3092\u5f37\u5316\u3059\u308b\u306b\u306f\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u3053\u3068\u3067\u3059\u3002\u305d\u308c\u306b\u3088\u308a\u30ab\u30d0\u30ec\u30c3\u30b8\u3092\u6700\u9069\u5316\u3059\u308b\u591a\u5c64\u9632\u5fa1\u6226\u7565\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n
<\/a>\u5b9f\u5730\u3067\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u653b\u6483\u6280\u8853\u691c\u51fa<\/h4>\n\u4ee5\u4e0b\u306e\u56f3 7 \u306f\u3001\u4fb5\u5165\u30c6\u30b9\u30c8 \u30c4\u30fc\u30eb DEEPCE \u3092\u4f7f\u3063\u305f\u653b\u6483\u3092 Cortex XDR \u304c\u691c\u51fa\u30fb\u9632\u6b62\u3057\u305f\u3055\u3044\u306e\u30a2\u30e9\u30fc\u30c8\u3067\u3059\u3002curl<\/span> \u3092\u4f7f\u3063\u3066\u30de\u30a6\u30f3\u30c8\u3057\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30bd\u30b1\u30c3\u30c8\u304b\u3089\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fb5\u5bb3\u306e\u8a66\u307f\u3092\u793a\u3059\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3]()
\u56f3 7. Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8\u3002\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u6280\u8853\u306b\u3088\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u8a66\u884c\u3092\u793a\u3057\u3066\u3044\u308b<\/figcaption><\/figure>\n<\/a>\u4f8b 4: \u30ed\u30b0 \u30de\u30a6\u30f3\u30c8<\/strong><\/h3>\n\u3053\u308c\u306f Kubernetes \u306b\u7279\u6709\u306e\u653b\u6483\u3067\u3001\u3088\u308a\u6b63\u78ba\u306b\u306f\u30dd\u30c3\u30c9 \u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001Kubernetes \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u300c\u30dd\u30c3\u30c9 (pod)<\/a>\u300d\u3068\u547c\u3093\u3067\u3044\u307e\u3059\u3057\u3001\u3053\u306e\u653b\u6483\u3067\u306f Kubernetes \u7279\u6709\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u672c\u6280\u8853\u306b\u3064\u3044\u3066\u306f\u30012019 \u5e74\u306b Aqua Security \u304c\u6d1e\u5bdf\u306b\u5bcc\u3080\u8a18\u4e8b<\/a>\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/a>\u30ed\u30b0 \u30de\u30a6\u30f3\u30c8\u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n\u3053\u306e\u653b\u6483\u306f\u30dd\u30c3\u30c9\u5185\u306b\u3044\u308b\u653b\u6483\u8005\u306b\u3001root \u6a29\u9650\u3092\u6301\u3064\u30db\u30b9\u30c8\u4e0a\u306e\u4efb\u610f\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306a\u3044\u3057\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u8aad\u307f\u53d6\u308a\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u306e\u8981\u4ef6\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
\n- \u30db\u30b9\u30c8\u306e \/var\/log<\/span> \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3078\u306e\u30de\u30a6\u30f3\u30c8\u3092\u3082\u3064\u30dd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/li>\n
- Kubernetes \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u3063\u3066\u30ed\u30b0\u3092\u8aad\u307f\u53d6\u308b\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u304c\u3042\u308b\n
\n- \u3053\u308c\u306f\u30ed\u30b0 \u30a2\u30af\u30bb\u30b9\u3092\u6301\u3064\u901a\u5e38\u306e Kubernetes \u30e6\u30fc\u30b6\u30fc\u3068\u3057\u3066\u5b9f\u73fe\u53ef\u80fd<\/li>\n
- \u4ee3\u308f\u308a\u306b\u30ed\u30b0 \u30a2\u30af\u30bb\u30b9\u3092\u6301\u3064\u30dd\u30c3\u30c9 \u30b5\u30fc\u30d3\u30b9 \u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u3082\u3088\u3044<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
\u6700\u5584\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u30db\u30b9\u30c8\u306e \/var\/log<\/span> \u3078\u306e\u30de\u30a6\u30f3\u30c8\u3092\u3082\u3064\u30dd\u30c3\u30c9\u5185\u304b\u3089\u30ed\u30b0\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\u3053\u306e\u8106\u5f31\u6027\u306f Kubernetes \u304c\u30dd\u30c3\u30c9 \u30ed\u30b0\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u306b\u4f9d\u308b\u3082\u306e\u3067\u3059\u3002\u5404\u30dd\u30c3\u30c9\u306f \/var\/log<\/span> \u5185\u306b\u5bfe\u5fdc\u3059\u308b\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u3092 1 \u3064\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30b7\u30f3\u30dc\u30ea\u30c3\u30af \u30ea\u30f3\u30af (symlink)<\/a> \u306b\u3088\u3063\u3066\u3001 \/var\/lib\/docker\/containers<\/span> \u306b\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\u3053\u306e\u554f\u984c\u306f kubelet<\/a> \u304c\u5b9b\u5148\u3092\u691c\u8a3c\u305b\u305a\u306b\u30b7\u30f3\u30dc\u30ea\u30c3\u30af \u30ea\u30f3\u30af\u306e\u5185\u5bb9\u3092\u8aad\u307f\u53d6\u3063\u3066\u3057\u307e\u3046\u65b9\u6cd5\u306b\u8d77\u56e0\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30b7\u30f3\u30dc\u30ea\u30c3\u30af \u30ea\u30f3\u30af\u306e\u5b9b\u5148\u3092\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u304b\u3089 \/etc\/shadow<\/span> \u3078\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u304c\u30db\u30b9\u30c8\u306e \/etc\/shadow<\/span> \u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\u653b\u6483\u306f\u305d\u3053\u3067\u306f\u7d42\u308f\u308a\u307e\u305b\u3093\u3002Kubernete \u306e kubectl \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3 \u30c4\u30fc\u30eb<\/a><\/span>\u3092\u4ecb\u3057\u3066 HTTP POST \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u3001\u3053\u306e\u30c4\u30fc\u30eb\u306f\u88cf\u3067\u306f
\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u5229\u7528\u306e\u305f\u3081\u306b\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f7f\u3048\u3070\u30011 \u53f0\u306e\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u8907\u6570\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306f\u300c\u540d\u524d\u7a7a\u9593 (namespace)\u300d\u3068\u3044\u3046\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u3053\u306e\u540d\u524d\u7a7a\u9593\u3092\u4f7f\u3063\u3066\u9694\u96e2\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30b9\u30bf\u30c3\u30af\u3001\u30d5\u30a1\u30a4\u30eb \u30b7\u30b9\u30c6\u30e0\u3001\u305d\u306e\u307b\u304b\u3055\u307e\u3056\u307e\u306a\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u5229\u7528\u304c\u5b9f\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u306e\u9694\u96e2\u3068\u306f\u3001\u5404\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u81ea\u5206\u5c02\u7528\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u74b0\u5883\u3092\u6301\u3066\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u540c\u6642\u306b\u5b9f\u884c\u3067\u304d\u306a\u3044\u8907\u6570\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u540c\u4e00\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u305d\u308c\u305e\u308c\u306b\u5c02\u7528\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u52d5\u4f5c\u3055\u305b\u308c\u3070\u3088\u3044\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u304a\u304b\u3052\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u30db\u30b9\u30c8\u304b\u3089\u62bd\u8c61\u5316\u3055\u308c\u305f\u72ec\u81ea\u306e\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u7fa4\u3068\u5bfe\u8a71\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u3054\u3068\u306b\u9694\u96e2\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u304c\u4f5c\u3089\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7fa4\u306f\u3001\u305d\u308c\u305e\u308c\u304c\u5c02\u7528\u30b5\u30fc\u30d0\u30fc\u5185\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u7279\u5fb4\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u304c\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9 \u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3042\u308b\u7406\u7531\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc\u306b\u306f\u9ad8\u3044\u79fb\u690d\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u52d5\u4f5c\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u4efb\u610f\u306e\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3068\u306f\u3044\u3048\u3001\u3053\u3046\u3057\u305f\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u72b6\u6cc1\u306f\u8ab2\u984c\u3082\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u540c\u3058\u30ab\u30fc\u30cd\u30eb\u3092\u5171\u6709\u3057\u3066\u304a\u308a\u3001\u30db\u30b9\u30c8\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u304b\u3089\u5b8c\u5168\u306b\u306f\u9694\u96e2\u3055\u308c\u3066\u3044\u306a\u3044\u30b1\u30fc\u30b9\u304c\u591a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u306e\u5236\u7d04\u3092\u9003\u308c\u3088\u3046\u3068\u3059\u308b\u653b\u6483\u8005\u304c\u4f7f\u3046\u3001\u3055\u307e\u3056\u307e\u306a\u6280\u8853\u304b\u3089\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u6280\u8853\u306f\u7dcf\u79f0\u3057\u3066\u300c\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n
<\/a>\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u304b<\/strong><\/h3>\n\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u90e8\u306e\u3057\u304f\u307f\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3059\u308b\u524d\u306b\u3001Linux \u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Linux \u3067\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u751f\u6210\u3055\u308c\u308b\u3068\u3001\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u89aa\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u5c5e\u6027 (attribute) \u3092\u7d99\u627f\u3057\u307e\u3059\u3002\u305d\u308c\u306b\u306f\u6b21\u306e\u3082\u306e\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
\n- \u6a29\u9650<\/li>\n
- \u74b0\u5883\u5909\u6570 (\u660e\u793a\u7684\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408)<\/li>\n
- \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3<\/li>\n
- \u540d\u524d\u7a7a\u9593<\/li>\n<\/ul>\n
\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5229\u7528\u3057\u3066\u9694\u96e2\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u62c5\u5f53\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0<\/a>\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u30d7\u30ed\u30bb\u30b9\u958b\u59cb\u3068\u305d\u306e\u5c5e\u6027\u306e\u8abf\u6574\u3068\u3044\u3046\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u3066\u3001\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u81ea\u4f53\u306b\u52a0\u3048\u3066\u305d\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u3059\u3079\u3066\u306e\u5236\u9650\u3084\u9694\u96e2\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u306f\u300cinit<\/span>\u300d\u306b\u540d\u524d\u304c\u5909\u66f4\u3055\u308c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\u901a\u5e38\u306f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u304c\u76f4\u63a5\u4f7f\u308f\u308c\u308b\u3053\u3068\u306f\u306a\u304f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc CLI \u3084\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u901a\u4fe1\u3059\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3 \u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u901a\u3058\u3066\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc CLI \u306e\u4f8b\u3068\u3057\u3066\u306f\u3001Docker Engine<\/a> \u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002Docker Engine \u306f containerd<\/a> \u3092\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u3057\u3066\u4f7f\u3044\u3001Dockerfile<\/a> \u3092\u30b3\u30f3\u30c6\u30ca\u30fc\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002\u307b\u304b\u306b\u3088\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3 \u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u306f Kubernetes<\/a> \u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3061\u3089\u3082\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u3057\u3066 containerd \u3092\u4f7f\u3048\u307e\u3059\u3002<\/p>\n\u30d7\u30ed\u30bb\u30b9\u306e\u9694\u96e2\u3042\u305f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0<\/a>\u304c\u5909\u66f4\u3059\u308b\u5c5e\u6027\u3068\u3057\u3066\u306f\u6b21\u306e\u3082\u306e\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n- \u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb (\u8cc7\u683c\u60c5\u5831)<\/li>\n
- \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3<\/li>\n
- Linux Security Modules (LSM)<\/a><\/li>\n
- seccomp (Secure computing)<\/a><\/li>\n
- \u540d\u524d\u7a7a\u9593<\/li>\n
- \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30b0\u30eb\u30fc\u30d7 (cgroups)<\/a><\/li>\n<\/ul>\n
\u3059\u3079\u3066\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30f3\u30b8\u30f3\u304c\u3053\u308c\u3089\u5404\u5c5e\u6027\u3092\u6d3b\u7528\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u591a\u304f\u306e\u30a8\u30f3\u30b8\u30f3\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u3057\u304f\u307f\u3092\u3082\u3063\u3068\u3088\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u9694\u96e2\u3068\u6a29\u9650\u306e\u5236\u9650\u306b\u3068\u304f\u306b\u95a2\u9023\u306e\u6df1\u3044 2 \u3064\u306e\u5c5e\u6027\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3068\u540d\u524d\u7a7a\u9593\u306e\u4f8b\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
<\/a>\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3<\/h4>\n\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306b\u3064\u3044\u3066\u3001Linux \u306e man \u30da\u30fc\u30b8<\/a> \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n\u300cLinux \u3067\u306f\u3001\u5f93\u6765\u30b9\u30fc\u30d1\u30fc\u30e6\u30fc\u30b6\u30fc\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u305f\u6a29\u9650\u3092\u3001\u72ec\u7acb\u3057\u3066\u6709\u52b9\u5316\u30fb\u7121\u52b9\u5316\u306e\u3067\u304d\u308b\u3001\u300e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u300f\u3068\u547c\u3070\u308c\u308b\u500b\u5225\u306e\u5358\u4f4d\u306b\u5206\u5272\u3057\u3066\u3044\u307e\u3059\u3002<\/em>\u300d<\/p>\n\u672c\u8cea\u7684\u306b\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u5c5e\u6027\u3068\u3044\u3046\u306e\u306f\u3001\u305d\u306e\u540d\u524d\u306e\u610f\u5473\u3059\u308b\u300c\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u53ef\u80fd (capable) \u306a\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u7bc4\u56f2\u300d\u305d\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n
Linux \u304c\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u5c5e\u6027\u3092\u5b9f\u88c5\u3057\u305f\u7406\u7531\u306f\u3001\u5358\u7d14\u306a\u30e6\u30fc\u30b6\u30fc\u3084\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u3067\u306a\u304f\u3001\u3082\u3063\u3068\u591a\u304f\u306e\u624b\u6bb5\u3067\u30d7\u30ed\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u5c5e\u6027\u306f\u3001\u3068\u304f\u306b root \u6a29\u9650\u3092\u6301\u3064\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3067\u304d\u308b\u64cd\u4f5c\u3092\u5236\u9650\u3057\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u56f3 1 \u306f\u3001Linux \u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306e\u5305\u62ec\u7684\u306a\u30ea\u30b9\u30c8\u3067\u3059\u3002<\/p>\n![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u9ed2\u3044\u80cc\u666f\u306b\u767d\u3044\u7b49\u5e45\u30d5\u30a9\u30f3\u30c8\u3067\u793a\u3057\u305f]()
\u56f3 1. \u5229\u7528\u53ef\u80fd\u306a Linux \u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306e\u30ea\u30b9\u30c8<\/figcaption><\/figure>\n\u56f3 1 \u306b\u793a\u3057\u305f\u3088\u3046\u306b\u3001chown<\/span> (cap_chown<\/span><\/a>) \u3084 ptrace<\/span> (cap_sys_ptrace<\/span><\/a>) \u306a\u3069\u306e\u3088\u304f\u4f7f\u308f\u308c\u308b\u64cd\u4f5c\u3067\u3059\u3089\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u5236\u5fa1\u53ef\u80fd\u306a root \u64cd\u4f5c\u306e\u4e00\u89a7\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b Linux \u306e man \u30da\u30fc\u30b8<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\u3053\u306e\u30ed\u30b8\u30c3\u30af\u306f\u5358\u7d14\u3067\u3059\u3002\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u524a\u9664\u3059\u308b\u3068\u3001\u305f\u3068\u3048 root \u6a29\u9650\u304c\u3042\u3063\u3066\u3082\u5bfe\u5fdc\u3059\u308b\u64cd\u4f5c\u306f\u5b9f\u884c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001cap_sys_ptrace<\/span> \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u524a\u9664\u3057\u305f\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8d77\u52d5\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u306e\u6a29\u9650\u30ec\u30d9\u30eb\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30d7\u30ed\u30bb\u30b9\u306f\u307b\u304b\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3057\u3066 ptrace<\/span> \u30b7\u30b9\u30c6\u30e0 \u30b3\u30fc\u30eb (syscall<\/span>) \u3092\u5b9f\u884c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\u30b3\u30f3\u30c6\u30ca\u30fc\u4f5c\u6210\u306b\u304b\u304b\u308f\u308b\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u4e0d\u8981\u306a\u9ad8\u6a29\u9650\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u6226\u7565\u7684\u306b\u524a\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30f3\u30b8\u30f3\u306f root \u6a29\u9650\u3067\u3082\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u5b89\u5168\u306b\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u3001Linux \u306e\u7d99\u627f\u53ef\u80fd\u306a\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u3063\u3066\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u305f\u3060\u3057\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30f3\u30b8\u30f3\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u7acb\u3066\u308b\u3055\u3044\u3001\u7ba1\u7406\u8005\u304c\u9ad8\u6a29\u9650\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u5168\u90e8\u306f\u524a\u9664\u3057\u3066\u3044\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u3046\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u30d7\u30ed\u30bb\u30b9\u304c\u5229\u7528\u3067\u304d\u308b\u7279\u5b9a\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306b\u57fa\u3065\u3044\u3066\u3001\u653b\u6483\u8005\u3089\u306f\u305d\u308c\u3089\u6b8b\u3055\u308c\u305f\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u624b\u6bb5\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
<\/a>\u540d\u524d\u7a7a\u9593<\/h4>\n\u540d\u524d\u7a7a\u9593\u306b\u3064\u3044\u3066\u306e Linux man \u30da\u30fc\u30b8<\/a> \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n\u300c\u540d\u524d\u7a7a\u9593\u306f\u30b0\u30ed\u30fc\u30d0\u30eb \u30b7\u30b9\u30c6\u30e0 \u30ea\u30bd\u30fc\u30b9\u3092\u62bd\u8c61\u5316\u3057\u3066\u30e9\u30c3\u30d7\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u540d\u524d\u7a7a\u9593\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306f\u3001\u81ea\u5206\u5c02\u7528\u306e\u9694\u96e2\u3055\u308c\u305f\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u3078\u306e\u5909\u66f4\u306f\u3001\u305d\u306e\u540d\u524d\u7a7a\u9593\u306e\u30e1\u30f3\u30d0\u30fc\u3067\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306f\u898b\u3048\u307e\u3059\u304c\u3001\u305d\u308c\u4ee5\u5916\u306e\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306f\u898b\u3048\u307e\u305b\u3093\u3002\u540d\u524d\u7a7a\u9593\u306e\u7528\u9014\u306e 1 \u3064\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5b9f\u88c5\u3067\u3059\u3002<\/em>\u300d<\/p>\n\u30d7\u30ed\u30bb\u30b9\u7ba1\u7406\u306b\u304a\u3044\u3066\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306f\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u300c\u4f55<\/em>\u300d\u3092\u5b9f\u884c\u3067\u304d\u308b\u306e\u304b\u3092\u5b9a\u7fa9\u3057\u3001\u540d\u524d\u7a7a\u9593\u306f\u305d\u308c\u3089\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u300c\u3069\u3053<\/em>\u300d\u3067\u5b9f\u884c\u3067\u304d\u308b\u306e\u304b\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u8a00\u3063\u3066\u3057\u307e\u3048\u3070\u540d\u524d\u7a7a\u9593\u3068\u306f\u3001\u300c\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u3068\u305d\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u304c\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u5185\u306b\u72ec\u81ea\u306e\u6392\u4ed6\u7684\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6240\u6709\u3057\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u62bd\u8c61\u5316\u30ec\u30a4\u30e4\u30fc\u300d\u3067\u3059\u3002<\/p>\n\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u540d\u524d\u7a7a\u9593\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u305e\u308c\u304c\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0 (OS) \u5185\u3067\u7279\u5b9a\u306e\u7a2e\u985e\u306e\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u3092\u53d7\u3051\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3044\u3061\u3070\u3093\u308f\u304b\u308a\u3084\u3059\u3044\u540d\u524d\u7a7a\u9593\u306e 1 \u3064\u306f\u3001PID (\u30d7\u30ed\u30bb\u30b9\u8b58\u5225\u5b50) \u540d\u524d\u7a7a\u9593\u3067\u3059\u3002\u7ba1\u7406\u8005\u307e\u305f\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u65b0\u3057\u3044 PID \u540d\u524d\u7a7a\u9593\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001OS \u306f\u540d\u524d\u7a7a\u9593\u306e\u4f5c\u6210\u3092\u62c5\u5f53\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306b PID 1 \u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002\u6b21\u306b OS \u306f\u6b21\u306e PID \u3067\u3042\u308b 2 \u3092\u6700\u521d\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u30013 \u3092 2 \u756a\u76ee\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u30014 \u3092 3 \u756a\u76ee\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u3001\u3068\u3044\u3046\u3088\u3046\u306b\u5272\u308a\u5f53\u3066\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304c root \u6a29\u9650\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u3066 cap_kill<\/span><\/a> \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u3082\u3063\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u30b7\u30ca\u30ea\u30aa\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u5834\u5408\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u6a29\u9650\u306e\u30c1\u30a7\u30c3\u30af\u3092\u56de\u907f\u3057\u3001\u307b\u307c\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7d42\u4e86\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u65b0\u3057\u3044 PID \u540d\u524d\u7a7a\u9593\u5185\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86\u80fd\u529b\u306f\u540c\u4e00\u540d\u524d\u7a7a\u9593\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3057\u3066\u306b\u9650\u3089\u308c\u307e\u3059\u3002cap_kill<\/span> \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u6301\u3064\u3053\u306e\u5143\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3068\u3063\u3066\u3001\u81ea\u8eab\u306e PID \u540d\u524d\u7a7a\u9593\u5916\u90e8\u306b\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u672c\u8cea\u7684\u306b\u5b58\u5728\u3057\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n\u57fa\u672c\u7684\u306b\u540d\u524d\u7a7a\u9593\u306f\u9694\u96e2\u5f37\u5236\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3082\u306e\u3067\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3084 seccomp \u306a\u3069\u306e\u8ffd\u52a0\u6a5f\u80fd\u3092\u5099\u3048\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u610f\u56f3\u305b\u305a\u307b\u304b\u306e\u540d\u524d\u7a7a\u9593\u306b\u5e72\u6e09\u3057\u305f\u308a\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u305f\u308a\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4e0b\u306e\u56f3 2 \u306f\u3001\u5229\u7528\u53ef\u80fd\u306a Linux \u306e\u540d\u524d\u7a7a\u9593\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u540d\u524d\u7a7a\u9593\u306b\u95a2\u3059\u308b Linux \u306e man \u30da\u30fc\u30b8<\/a>\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n![\"\u3053\u308c\u306f]()
\u56f3 2. \u5229\u7528\u53ef\u80fd\u306a Linux \u540d\u524d\u7a7a\u9593\u306e\u30ea\u30b9\u30c8\u3068\u305d\u306e\u7c21\u5358\u306a\u8aac\u660e<\/figcaption><\/figure>\n<\/a>\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7<\/h2>\n\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u3044\u3046\u3068\u300c\u30db\u30b9\u30c8 \u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u80fd\u529b\u300d\u3060\u3051\u3092\u9023\u60f3\u3059\u308b\u65b9\u304c\u304a\u3089\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u6280\u8853\u304c\u3069\u308c\u3082\u3053\u306e\u67a0\u306b\u53ce\u307e\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u306f\u3001\u653b\u6483\u8005\u304c\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f7f\u3063\u3066\u30db\u30b9\u30c8\u304b\u3089\u30c7\u30fc\u30bf\u3092\u76d7\u3093\u3060\u308a\u3001\u7279\u6a29\u6607\u683c\u3092\u5b9f\u884c\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u6280\u8853\u306e\u4f8b\u3092\u3044\u304f\u3064\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
<\/a>\u4f8b 1: \u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc<\/strong><\/h3>\n\u6700\u521d\u306e\u4f8b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u3068\u547c\u3070\u308c\u308b\u4e00\u9023\u306e\u6280\u8853\u3067\u3059\u3002\u3053\u306e\u4f8b\u306f call_usermodehelper<\/span><\/a> \u30ab\u30fc\u30cd\u30eb\u95a2\u6570\u3092\u60aa\u7528\u3059\u308b\u3053\u3068\u304b\u3089\u305d\u306e\u540d\u304c\u4ed8\u304d\u307e\u3057\u305f\u3002<\/p>\n<\/a>\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n\u30c9\u30e9\u30a4\u30d0\u30fc\u5411\u3051\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u308b call_usermodehelper<\/span> \u95a2\u6570\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u304b\u3089\u76f4\u63a5\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u6e96\u5099\u3057\u3066\u958b\u59cb\u3059\u308b\u3053\u3068\u3067\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u3067\u7a3c\u50cd\u3059\u308b\u4efb\u610f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u6607\u683c\u3055\u308c\u305f\u6a29\u9650\u3067\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\u305f\u3060\u3057\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30c9\u30e9\u30a4\u30d0\u30fc\u305d\u306e\u307b\u304b\u306e\u30ab\u30fc\u30cd\u30eb \u30e2\u30fc\u30c9 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3001\u540c\u3058\u6607\u683c\u3055\u308c\u305f\u6a29\u9650\u3067\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u3068\u3044\u3046\u7528\u8a9e\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u3053\u3046\u3057\u305f\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d5\u30a1\u30a4\u30eb\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u72b6\u6cc1\u3092\u542b\u610f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u3067\u5f37\u8abf\u3057\u3066\u304a\u304d\u305f\u3044\u306e\u304c\u3001\u653b\u6483\u8005\u304c\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u3067\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u30fb\u5909\u66f4\u3059\u308c\u3070\u3001\u30ab\u30fc\u30cd\u30eb\u3092\u9a19\u3057\u3066\u3055\u307e\u3056\u307e\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092 root \u6a29\u9650\u3067\u5b9f\u884c\u3067\u304d\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u3053\u308c\u306b\u306f root \u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u653b\u6483\u8005\u304c\u6607\u683c\u3055\u308c\u305f\u6a29\u9650\u304b\u60aa\u7528\u53ef\u80fd\u306a\u8106\u5f31\u6027\u3092\u7a81\u3044\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5236\u5fa1\u3092\u596a\u3063\u305f\u5834\u5408\u3001\u305d\u306e\u653b\u6483\u8005\u304c\u5fc5\u8981\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u3068\u308b\u306e\u306f\u5bb9\u6613\u3067\u3059\u3002<\/p>\n
<\/a>\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc: release_agent<\/strong><\/h5>\n\u3053\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u306f\u3001cgroup \u3068\u305d\u306e release_agent<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u6d3b\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u904e\u53bb\u306b cgroup \u306b\u5f71\u97ff\u3059\u308b\u8106\u5f31\u6027<\/a>\u306b\u3064\u3044\u3066\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u6280\u8853\u306f\u8106\u5f31\u6027\u306b\u57fa\u3065\u304f\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002root \u6a29\u9650\u3092\u6301\u3064\u653b\u6483\u8005\u304c\u3053\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3092\u5b9f\u73fe\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002cgroups<\/a> \u306f\u30d7\u30ed\u30bb\u30b9\u3078\u306e\u30ea\u30bd\u30fc\u30b9\u5272\u308a\u5f53\u3066\u8abf\u6574\u306b\u4f7f\u308f\u308c\u3066\u3044\u3066\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\u3092\u5236\u9650\u3059\u308b\u624b\u6bb5\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\u4eca\u56de\u306e\u4f8b\u3067\u306f\u3001cgroup \u306e release_agent<\/span> \u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u306b\u30012019 \u5e74\u306e Black Hat USA \u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u3001Brandon Edwards \u6c0f\u3068 Nick Freeman \u6c0f\u306b\u3088\u308a\u6700\u521d\u306b\u767a\u8868\u3055\u308c\u305f [PDF] <\/a>\u6280\u8853\u3092\u7528\u3044\u307e\u3059\u3002\u7279\u5b9a\u306e cgroup \u306e release_agent<\/span> \u3092\u6709\u52b9\u306b\u3059\u308c\u3070\u3001\u5bfe\u8c61 cgroup \u304c\u7a7a\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u653b\u6483\u8005\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002Linux \u306f cgroups \u306e\u9069\u5207\u306a\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u306e\u305f\u3081\u306e\u3053\u306e\u6a5f\u80fd\u3092\u542b\u3081\u3066\u3044\u307e\u3059\u304c\u3001OS \u306f\u4f55\u3089\u53b3\u5bc6\u306a\u5236\u7d04\u3092\u6301\u3063\u3066\u304a\u3089\u305a\u3001\u4efb\u610f\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\u3053\u306e\u6280\u8853\u306e\u5b9f\u88c5\u306b\u306f\u6b21\u306e\u624b\u9806\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
\n- \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092 1 \u3064\u4f5c\u6210\u3057\u3066\u305d\u308c\u3092\u30de\u30a6\u30f3\u30c8\u3057\u3001cgroup \u3092 1 \u3064\u5272\u308a\u5f53\u3066\u307e\u3059\u3002<\/li>\n
- \u305d\u306e cgroup \u5185\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092\u4f5c\u6210\u3057\u3066\u65b0\u305f\u306a\u30b0\u30eb\u30fc\u30d7\u3092\u4f5c\u308a\u307e\u3059\u3002<\/li>\n
- notify_on_release<\/span> \u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092 1<\/span> \u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u306e\u30e1\u30ab\u30cb\u30ba\u30e0 (\u3059\u3079\u3066\u306e\u65b0\u3057\u3044 cgroup \u306b\u5b58\u5728) \u304c\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n
- release_agent<\/span> \u30d5\u30a1\u30a4\u30eb\u5185\u3067\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u7d76\u5bfe\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3059\u3079\u3066\u306e\u7a2e\u985e\u306e cgroup \u306e\u30eb\u30fc\u30c8 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306b\u5b58\u5728\u3057\u3066\u3044\u3066\u3001\u5168 cgroups \u9593\u3067\u5171\u6709\u3055\u308c\u307e\u3059\u3002\u30eb\u30fc\u30c8 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306e\u7d76\u5bfe\u30d1\u30b9\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089 \/etc\/mtab<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u7167\u4f1a\u3059\u308c\u3070\u53d6\u5f97\u3067\u304d\u307e\u3059 (\u56f3 3 \u53c2\u7167)\u3002<\/li>\n
- cgroup.procs<\/span> \u30d5\u30a1\u30a4\u30eb\u306b 0<\/span> \u3092\u66f8\u304d\u8fbc\u3093\u3067\u30b0\u30eb\u30fc\u30d7\u3092\u7a7a\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u30b0\u30eb\u30fc\u30d7\u304c\u521d\u671f\u72b6\u614b\u3067\u7a7a\u3067\u3082\u3001release_agent<\/span> \u3067\u6307\u5b9a\u3055\u308c\u305f\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306f\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n
\u4ee5\u4e0b\u306e\u56f3 3 \u306f\u3001\u7c21\u6f54\u306a\u30b7\u30a7\u30eb \u30b3\u30de\u30f3\u30c9\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u3053\u306e\u6280\u8853\u3092\u5b9f\u88c5\u3057\u305f\u4f8b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
![\"\u767d\u3067\u8868\u793a\u3055\u308c\u305f\u8907\u6570\u884c\u306e\u30b3\u30fc\u30c9\u306b\u306f\u3001\u3055\u307e\u3056\u307e\u306a]()
\u56f3 3. \u30b7\u30a7\u30eb \u30b3\u30de\u30f3\u30c9\u3067 release_agent<\/span> \u30a8\u30b9\u30b1\u30fc\u30d7\u3092\u5b9f\u88c5\u3057\u305f\u3068\u3053\u308d (\u51fa\u5178: A compendium of container escapes - Brandon Edwards and Nick Freeman - Black Hat USA 19 [PDF]<\/a>)<\/figcaption><\/figure>\u3053\u308c\u306f\u3001\u6b63\u5f53\u306a\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u3092\u4f7f\u3063\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u30b7\u30a7\u30eb \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u305f\u4f8b\u3067\u3059\u3002<\/p>\n\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u305f\u3081\u306e\u305d\u306e\u307b\u304b\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u3082\u3001\u3053\u306e\u4f8b\u3068\u4f3c\u305f\u30d1\u30bf\u30fc\u30f3\u306b\u306a\u3089\u3044\u307e\u3059\u3002\u3053\u3053\u91cd\u8981\u306a\u306e\u306f\u3001\u300c\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u95a2\u9023\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3067\u304d\u308b\u306a\u3089\u30db\u30b9\u30c8 \u30b7\u30b9\u30c6\u30e0\u4e0a\u3067 root \u6a29\u9650\u3067\u4efb\u610f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3067\u304d\u308b\u300d\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n
\u79c1\u305f\u3061\u306e\u8abf\u67fb\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u304c\u6700\u3082\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u3046\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e3b\u306a\u7406\u7531\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u304c\u6bd4\u8f03\u7684\u5bb9\u6613\u306a\u3053\u3068\u3001\u3046\u307e\u304f\u5b9f\u88c5\u3067\u304d\u305f\u5834\u5408\u306e\u5f71\u97ff\u304c\u5927\u304d\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n
<\/a>\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u653b\u6483\u6280\u8853\u306e\u691c\u51fa\u65b9\u6cd5<\/h4>\n\u3053\u308c\u3089\u4e00\u9023\u306e\u6280\u8853\u306e\u691c\u51fa\u306b\u306f\u4f53\u7cfb\u7684\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n
\n- call_usermodehelper<\/span> \u547c\u3073\u51fa\u3057\u306e\u30de\u30c3\u30d4\u30f3\u30b0:<\/strong> \u6700\u521d\u306b\u30ab\u30fc\u30cd\u30eb\u304c\u4f7f\u3046 call_usermodehelper<\/span> \u306e\u5168\u547c\u3073\u51fa\u3057\u3092\u7db2\u7f85\u3057\u305f\u4e00\u89a7\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n
- \u5f71\u97ff\u3092\u53d7\u3051\u308b\u547c\u3073\u51fa\u3057\u306e\u7279\u5b9a:<\/strong> \u3069\u306e call_usermodehelper<\/span> \u547c\u3073\u51fa\u3057\u304c\u30d5\u30a1\u30a4\u30eb\u7d4c\u7531\u3067\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u64cd\u4f5c\u3055\u308c\u3046\u308b\u304b\u3092\u898b\u5b9a\u3081\u307e\u3059\u3002<\/li>\n
- \u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5909\u66f4\u306e\u8a55\u4fa1:<\/strong> \u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u5909\u66f4\u3057\u3001\u6307\u5b9a\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3067\u304d\u308b\u304b\u8abf\u3079\u307e\u3059\u3002<\/li>\n
- \u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc \u30d5\u30a1\u30a4\u30eb\u306e\u76e3\u8996:<\/strong> \u4e0b\u6e96\u5099\u304c\u6574\u3063\u305f\u3089\u3001\u5404\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u95a2\u9023\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u5909\u66f4\u3092\u691c\u51fa\u6226\u7565\u304c\u76e3\u8996\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3068\u304f\u306b\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u304b\u3089\u767a\u751f\u3057\u305f\u5909\u66f4\u306e\u8b58\u5225\u304c\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n
\u3053\u3046\u3057\u305f\u591a\u6bb5\u968e\u30d7\u30ed\u30bb\u30b9\u3092\u8e0f\u3080\u3053\u3068\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u60aa\u7528\u306b\u304b\u3089\u3080\u6f5c\u5728\u7684\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ea\u30b9\u30af\u306e\u4e8b\u524d\u7684\u691c\u51fa\u30fb\u7de9\u548c\u80fd\u529b\u5411\u4e0a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n
<\/a>\u5b9f\u5730\u3067\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u653b\u6483\u6280\u8853\u306e\u691c\u51fa<\/h4>\n\u4e0b\u306e\u56f3 4 \u306f\u3001DEEPCE<\/a> \u30ea\u30dd\u30b8\u30c8\u30ea\u30fc\u304b\u3089\u5f97\u305f deepce.sh<\/span> \u3068\u3044\u3046\u4fb5\u5165\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u3067 release_agent<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u3053\u308d\u3092 Cortex XDR \u304c\u7279\u5b9a\u3057\u305f\u69d8\u5b50\u3067\u3059\u3002<\/p>\n![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc]()
\u56f3 4. ![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc]()
\u56f3 4. DEEPCE \u3092\u4f7f\u3063\u305f release_agent<\/span> \u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u8a66\u884c\u3067\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u305f Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8<\/figcaption><\/figure>\n\u56f3 4 \u306f Cortex XDR \u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 \u30ec\u30dd\u30fc\u30c8\u5185\u306e\u30a2\u30e9\u30fc\u30c8\u306e\u56e0\u679c\u95a2\u4fc2\u30c1\u30a7\u30fc\u30f3\u3092\u793a\u3057\u305f\u56f3\u3067\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u3059\u308b\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a2\u30e9\u30fc\u30c8\u306f\u6307\u5b9a\u3055\u308c\u305f\u30c4\u30fc\u30eb\u306b\u3088\u308b\u30d7\u30ed\u30bb\u30b9\u5b9f\u884c\u30c4\u30ea\u30fc\u3092\u660e\u793a\u3057\u3001\u3069\u306e\u6bb5\u968e\u3067\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u691c\u51fa\u3055\u308c\u3001\u305d\u306e\u5b9f\u884c\u304c\u963b\u6b62\u3055\u308c\u305f\u304b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u56f3 4 \u306e Cortex XDR \u30a2\u30e9\u30fc\u30c8\u306f\u305d\u306e\u30c4\u30fc\u30eb\u306e\u30b3\u30de\u30f3\u30c9 \u30e9\u30a4\u30f3\u3082\u5408\u308f\u305b\u3066\u8868\u793a\u3059\u308b\u3053\u3068\u3067\u30c4\u30fc\u30eb\u5b9f\u884c\u306b\u307e\u3064\u308f\u308b\u8a73\u7d30\u306a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
<\/a>\u4f8b 2: SUID \u3092\u4f7f\u7528\u3057\u305f\u7279\u6a29\u6607\u683c<\/strong><\/h3>\n\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u672c\u7a3f\u524d\u534a\u3067\u8aac\u660e\u3057\u305f\u30e1\u30ab\u30cb\u30ba\u30e0 (\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3001\u540d\u524d\u7a7a\u9593\u3001seccomp \u306a\u3069) \u3067\u5f37\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u591a\u304f\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u30db\u30b9\u30c8\u4e0a\u3067 root \u6a29\u9650\u3067\u52d5\u4f5c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u306f\u305d\u3053\u3092\u7a81\u304f\u3082\u306e\u3067\u3059\u3002<\/p>\n
<\/a>SUID \u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n\u3053\u306e\u6280\u8853\u3092\u4f7f\u3048\u3070\u3001\u3042\u308b\u30db\u30b9\u30c8\u4e0a\u3067\u9650\u5b9a\u7684\u306a\u6a29\u9650\u3092\u6301\u3063\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u304c\u3001\u305d\u306e\u30db\u30b9\u30c8\u4e0a\u306b\u5b58\u5728\u3059\u308b root \u6a29\u9650\u3067\u52d5\u304f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5185\u90e8\u304b\u3089\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u653b\u6483\u8005\u304c\u30db\u30b9\u30c8\u3078\u306e\u521d\u671f\u30a2\u30af\u30bb\u30b9\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u524d\u63d0\u306a\u306e\u3067\u3001\u3053\u308c\u306f\u5b8c\u5168\u306a\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u6700\u521d\u306f\u3054\u304f\u9650\u3089\u308c\u305f\u6a29\u9650\u3057\u304b\u6301\u3063\u3066\u3044\u306a\u3044\u653b\u6483\u8005\u3067\u3082\u3001\u3053\u308c\u3092\u4f7f\u3048\u3070\u305d\u306e\u30db\u30b9\u30c8\u4e0a\u3067 root \u30ec\u30d9\u30eb\u306e\u6a29\u9650\u3067\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u653b\u6483\u8005\u304c\u3053\u306e\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u308b\u7406\u7531\u306f\u3001\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc\u304c\u30db\u30b9\u30c8\u3068\u540c\u3058\u30e6\u30fc\u30b6\u30fc\u540d\u524d\u7a7a\u9593\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u8a2d\u5b9a\u3055\u308c\u305f SUID\/GUID \u6a29\u9650\u30d3\u30c3\u30c8\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u5916\u3067\u3082\u305d\u306e\u6a29\u9650\u3092\u4fdd\u6301\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u3053\u308c\u306f\u591a\u304f\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u3067\u3088\u304f\u3042\u308b\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u653b\u6483\u306e\u5b9f\u884c\u306b\u306f\u4ee5\u4e0b\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\n- \u30db\u30b9\u30c8\u3068\u540c\u3058\u30e6\u30fc\u30b6\u30fc\u540d\u524d\u7a7a\u9593\u5185\u3067 root \u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u30fc<\/li>\n
- \u30db\u30b9\u30c8\u3068\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u4e21\u65b9\u304b\u3089\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc<\/li>\n
- \u30db\u30b9\u30c8\u4e0a\u306e\u30b7\u30a7\u30eb<\/li>\n
- \u30b3\u30f3\u30c6\u30ca\u30fc\u4e0a\u306e\u30b7\u30a7\u30eb<\/li>\n<\/ul>\n
\u3053\u306e\u6280\u8853\u3092\u4f7f\u3046\u653b\u6483\u8005\u306f\u4ee5\u4e0b\u306e\u624b\u9806\u3092\u8e0f\u307f\u307e\u3059\u3002<\/p>\n
\n- \u30b3\u30f3\u30c6\u30ca\u30fc\u3068\u30db\u30b9\u30c8\u304c\u5171\u6709\u3057\u3066\u3044\u308b\u65e2\u5b58\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306b\u3001\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\n\u653b\u6483\u8005\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u5074\u3001\u30db\u30b9\u30c8\u5074\u306e\u3044\u305a\u308c\u306e\u5074\u304b\u3089\u3067\u3082\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/li>\n - \u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089 SUID \u6a29\u9650\u30d3\u30c3\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n
- \u30b3\u30f3\u30c6\u30ca\u30fc\u5916\u90e8\u304b\u3089 SUID \u3092\u6301\u3064\u30d0\u30a4\u30ca\u30ea\u30fc\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
\u3053\u308c\u3089\u306e\u624b\u9806\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u653b\u6483\u8005\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306f\u305d\u306e\u30db\u30b9\u30c8\u4e0a\u3067 root \u6a29\u9650\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u524d\u63d0\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u3066\u3044\u308b\u306a\u3089\u3001\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u3053\u306e\u653b\u6483\u306f\u5bb9\u6613\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u3078\u306e SUID \u6a29\u9650\u30d3\u30c3\u30c8\u8a2d\u5b9a\u306f\u7c21\u5358\u306a\u624b\u9806\u3067\u3001\u4ee5\u4e0b\u306e chmod<\/span><\/a> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u3060\u3051\u3067\u3059\u307f\u307e\u3059\u3002<\/p>\nchmod u+s <\u30d5\u30a1\u30a4\u30eb\u540d><\/span><\/strong><\/p>\n<\/a>SUID \u653b\u6483\u6280\u8853\u306e\u691c\u51fa\u65b9\u6cd5<\/h4>\n\u3053\u308c\u306f\u975e\u5e38\u306b\u7279\u6b8a\u306a\u653b\u6483\u6280\u8853\u306a\u306e\u3067\u3001\u653b\u6483\u306e\u91cd\u8981\u6bb5\u968e\u306b\u7684\u3092\u7d5e\u3063\u305f\u691c\u51fa\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n
\n- \u30d5\u30a1\u30a4\u30eb\u4f5c\u6210:<\/strong> \u5b9f\u884c\u304c\u76ee\u7684\u306e\u30d5\u30a1\u30a4\u30eb\u4f5c\u6210\u3092\u76e3\u8996\u3057\u307e\u3059\u3002<\/li>\n
- SUID\/GUID \u30d3\u30c3\u30c8\u306e\u5909\u66f4:<\/strong> \u30b3\u30f3\u30c6\u30ca\u30fc\u3068\u305d\u306e\u30db\u30b9\u30c8\u304c\u5171\u6709\u3057\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306e\u30d5\u30a1\u30a4\u30eb\u306b SUID\/GUID \u30d3\u30c3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306a\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306e chmod \u64cd\u4f5c\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<\/li>\n
- \u30b3\u30f3\u30c6\u30ca\u30fc\u5916\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u5b9f\u884c:<\/strong> SUID\/GUID \u30d3\u30c3\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u3001\u975e root \u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u3063\u3066\u30db\u30b9\u30c8\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
<\/a>\u5b9f\u5730\u3067\u306e SUID \u653b\u6483\u6280\u8853\u691c\u51fa<\/h4>\n\u56f3 5 \u306f\u3001SUID \u6280\u8853\u3092\u4f7f\u3063\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u8a66\u884c\u3092\u691c\u51fa\u30fb\u30d6\u30ed\u30c3\u30af\u3057\u305f Cortex XDR \u304b\u3089\u306e\u30a2\u30e9\u30fc\u30c8\u3067\u3059\u3002<\/p>\n![\"\"]()
\u56f3 5. Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8\u3002SUID \u6280\u8853\u3092\u4f7f\u3063\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u8a66\u307f\u3092\u793a\u3057\u3066\u3044\u308b<\/figcaption><\/figure>\nCortex XDR \u306f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883 (runc<\/span>) \u304b\u3089\u306e bash<\/span> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u7d4c\u7531\u306e chmod<\/span> \u30b3\u30de\u30f3\u30c9\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831\u3057\u3066\u3044\u307e\u3059 (\u56f3 5)\u3002\u3053\u306e chmod<\/span> \u30b3\u30de\u30f3\u30c9\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u3068\u30db\u30b9\u30c8\u304c\u5171\u6709\u3057\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u3001SUID \u6a29\u9650\u30d3\u30c3\u30c8\u3092\u8a2d\u5b9a\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<\/a>\u4f8b 3: \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8<\/strong><\/h3>\n\u30b3\u30f3\u30c6\u30ca\u30fc \u30a4\u30f3\u30d5\u30e9\u306f\u30db\u30b9\u30c8\u74b0\u5883\u5185\u3067\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc \u30e2\u30c7\u30eb\u3067\u52d5\u3044\u3066\u3044\u307e\u3059\u3002Docker \u306a\u3069\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u8aac\u660e\u3057\u3066\u3044\u308b\u3088\u3046\u306b<\/a>\u3001\u30b3\u30f3\u30c6\u30ca\u30fc CLI \u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u4e00\u65b9\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30c7\u30fc\u30e2\u30f3\u306f\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u56f3 6 \u306f Docker \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6982\u8981\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3001\u3053\u308c\u3092\u898b\u308b\u3068\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc\u578b\u306e\u7279\u6027\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n![\"\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3001Docker]()
\u56f3 6. Docker \u30a4\u30f3\u30d5\u30e9\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3 (\u51fa\u5178: Docker \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>)<\/figcaption><\/figure>\n\u3053\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc \u30a4\u30f3\u30d5\u30e9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u30e9\u30f3\u30bf\u30a4\u30e0 \u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306f\u3001API \u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u5916\u90e8\u306b\u516c\u958b\u3057\u3066\u3044\u3066\u3001\u3053\u306e API \u30b5\u30fc\u30d0\u30fc\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3055\u3044\u306e\u901a\u4fe1\u306f\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8<\/a>\u3068\u547c\u3070\u308c\u308b Unix \u30bd\u30b1\u30c3\u30c8<\/a>\u3092\u4ecb\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3001\u5bfe\u8c61\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u305d\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3068\u76f4\u63a5\u5bfe\u8a71\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/a>\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u306e\u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n\u3053\u306e\u6280\u8853\u3092\u4f7f\u3046\u3068\u3001\u653b\u6483\u8005\u306f\u540c\u4e00\u30db\u30b9\u30c8\u4e0a\u306b\u65b0\u305f\u306a\u7279\u6a29\u3064\u304d\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u4f5c\u6210\u5f8c\u306f\u305d\u306e\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f7f\u3063\u3066\u30db\u30b9\u30c8\u5074\u3078\u3068\u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u304c\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306b\u30de\u30a6\u30f3\u30c8\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001API \u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u30b3\u30de\u30f3\u30c9\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u5236\u5fa1\u3092\u78ba\u7acb\u3057\u305f\u653b\u6483\u8005\u306f\u3001\u305d\u306e Unix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb<\/a> \u3092\u4f7f\u3063\u3066 API \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u5bb9\u6613\u306b\u65b0\u305f\u306a\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3057\u3001\u305d\u3053\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3066\u30db\u30b9\u30c8\u5074\u3078\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\nUnix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u305f\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3068\u306e\u3084\u308a\u3068\u308a\u306f\u3001\u6b21\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u3088\u308a\u9054\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n
\n- \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u6307\u5b9a\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 CLI \u3092\u4ecb\u3059\u308b\u65b9\u6cd5<\/li>\n
- curl<\/span> \u306a\u3069\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u3066\u4efb\u610f\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u4ecb\u3057\u3066\u901a\u4fe1\u3059\u308b\u65b9\u6cd5<\/li>\n<\/ul>\n
\u524d\u8005\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3060\u3068\u3001\u653b\u6483\u8005\u306f REST API<\/a> \u306e\u547c\u3073\u51fa\u3057\u3092\u3057\u306a\u304f\u3066\u3082\u901a\u5e38\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u8b58\u5225\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u305d\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u306e CLI \u3092\u53d6\u5f97\u3059\u308b\u306e\u306f\u3072\u3068\u4ed5\u4e8b\u3067\u3057\u3087\u3046\u3002<\/p>\n\u9006\u306b\u3001 curl<\/span> \u306e\u3088\u3046\u306a\u3088\u304f\u3042\u308b\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3046\u3053\u3068\u306b\u3082\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001\u307b\u3068\u3093\u3069\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u306b\u306f\u305d\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u65e2\u306b\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306e\u5834\u5408\u3088\u308a\u8907\u96d1\u306a REST API \u30b3\u30de\u30f3\u30c9\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u304c\u3001API \u30b5\u30fc\u30d0\u30fc\u3068\u901a\u4fe1\u3059\u308b\u305f\u3081\u306e\u8ffd\u52a0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\u4ee5\u4e0b\u306f\u3001Docker \u306e REST API \u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u5bfe\u8a71\u3059\u308b curl<\/span> \u30b3\u30de\u30f3\u30c9\u306e\u4f8b\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u4f8b\u3067\u306f\u3001\u653b\u6483\u8005\u304c\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3057\u3066\u8d77\u52d5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n- curl --unix-socket \/var\/run\/docker.sock http:\/\/localhost\/containers\/json<\/span>\n
\n- \u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u60c5\u5831\u3092\u53d6\u5f97<\/li>\n<\/ul>\n<\/li>\n
- curl -H \"Content-Type: application\/json\" --unix-socket \/var\/run\/docker.sock -d {json_containing_container_configuration} http:\/\/localhost\/containers\/create<\/span>\n
\n- \u6307\u5b9a\u3055\u308c\u305f JSON \u69cb\u6210\u306b\u57fa\u3065\u3044\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210<\/li>\n<\/ul>\n<\/li>\n
- curl --unix-socket \/var\/run\/docker.sock http:\/\/localhost\/containers\/{container_id}\/start<\/span>\n
\n- {container_id}<\/span> \u3067\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u8d77\u52d5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u3053\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u6280\u8853\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u653b\u6483\u8005\u306f\u30db\u30b9\u30c8\u306e\u30eb\u30fc\u30c8 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3078\u306e\u30de\u30a6\u30f3\u30c8 \u30dd\u30a4\u30f3\u30c8\u3092\u6301\u3064\u7279\u6a29\u4ed8\u304d\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3053\u306e\u5f8c\u3001\u30db\u30b9\u30c8\u306e\u30d5\u30a1\u30a4\u30eb \u30b7\u30b9\u30c6\u30e0\u3078\u306e\u7279\u6a29\u30a2\u30af\u30bb\u30b9\u3092\u901a\u3058\u3066\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\u30fc\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u304d\u307e\u3059\u3002<\/p>\n
<\/a>\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u653b\u6483\u6280\u8853\u306e\u691c\u51fa\u65b9\u6cd5<\/h4>\n\u3053\u306e\u5f62\u5f0f\u306e\u653b\u6483\u306f\u8907\u6570\u306e\u65b9\u6cd5\u3067\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n
\n- \u30e9\u30f3\u30bf\u30a4\u30e0 Unix \u30bd\u30b1\u30c3\u30c8\u306e\u76e3\u8996:<\/strong> \u6700\u3082\u76f4\u63a5\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 Unix \u30bd\u30b1\u30c3\u30c8\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u76e3\u8996\u3057\u3001\u305d\u308c\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u51fa\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u4f5c\u6210\u3084\u64cd\u4f5c\u306a\u3069\u3001\u5f71\u97ff\u306e\u3042\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u307f\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u8aa4\u691c\u77e5 (FP) \u3092\u6e1b\u3089\u305b\u307e\u3059\u3002<\/li>\n
- Unix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u691c\u51fa:<\/strong> \u5225\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3001Unix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u691c\u51fa\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u306f\u8aa4\u691c\u77e5\u304c\u3064\u304d\u3082\u306e\u3067\u3059\u3002\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u5b8c\u5168\u306a\u53ef\u8996\u6027\u304c\u306a\u3044\u72b6\u614b\u3067\u3001\u95a2\u4fc2\u306a\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u9664\u5916\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u305f\u3081\u3067\u3059\u3002<\/li>\n
- CLI \u307e\u305f\u306f curl<\/span> \u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c<\/strong>: \u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u90e8\u304b\u3089\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u3063\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 CLI \u307e\u305f\u306f curl<\/span> \u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c\u306e\u8b58\u5225\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u691c\u51fa\u3092\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u52b9\u679c\u7684\u3067\u3059\u304c\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b9 \u30b1\u30fc\u30b9\u3092\u6355\u6349\u3067\u304d\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/li>\n
- \u691c\u7d22\u8a66\u884c\u306e\u691c\u51fa:<\/strong> \u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u691c\u7d22\u8a66\u884c\u3092\u691c\u51fa\u3059\u308b\u3068\u3044\u3046\u5225\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3082\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3053\u308c\u3082\u307b\u304b\u306e\u65b9\u6cd5\u3068\u540c\u69d8\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b9 \u30b1\u30fc\u30b9\u3092\u7db2\u7f85\u3067\u304d\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n
\u691c\u51fa\u80fd\u529b\u3092\u5f37\u5316\u3059\u308b\u306b\u306f\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u3053\u3068\u3067\u3059\u3002\u305d\u308c\u306b\u3088\u308a\u30ab\u30d0\u30ec\u30c3\u30b8\u3092\u6700\u9069\u5316\u3059\u308b\u591a\u5c64\u9632\u5fa1\u6226\u7565\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n
<\/a>\u5b9f\u5730\u3067\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u653b\u6483\u6280\u8853\u691c\u51fa<\/h4>\n\u4ee5\u4e0b\u306e\u56f3 7 \u306f\u3001\u4fb5\u5165\u30c6\u30b9\u30c8 \u30c4\u30fc\u30eb DEEPCE \u3092\u4f7f\u3063\u305f\u653b\u6483\u3092 Cortex XDR \u304c\u691c\u51fa\u30fb\u9632\u6b62\u3057\u305f\u3055\u3044\u306e\u30a2\u30e9\u30fc\u30c8\u3067\u3059\u3002curl<\/span> \u3092\u4f7f\u3063\u3066\u30de\u30a6\u30f3\u30c8\u3057\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30bd\u30b1\u30c3\u30c8\u304b\u3089\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fb5\u5bb3\u306e\u8a66\u307f\u3092\u793a\u3059\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3]()
\u56f3 7. Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8\u3002\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u6280\u8853\u306b\u3088\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u8a66\u884c\u3092\u793a\u3057\u3066\u3044\u308b<\/figcaption><\/figure>\n<\/a>\u4f8b 4: \u30ed\u30b0 \u30de\u30a6\u30f3\u30c8<\/strong><\/h3>\n\u3053\u308c\u306f Kubernetes \u306b\u7279\u6709\u306e\u653b\u6483\u3067\u3001\u3088\u308a\u6b63\u78ba\u306b\u306f\u30dd\u30c3\u30c9 \u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001Kubernetes \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u300c\u30dd\u30c3\u30c9 (pod)<\/a>\u300d\u3068\u547c\u3093\u3067\u3044\u307e\u3059\u3057\u3001\u3053\u306e\u653b\u6483\u3067\u306f Kubernetes \u7279\u6709\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u672c\u6280\u8853\u306b\u3064\u3044\u3066\u306f\u30012019 \u5e74\u306b Aqua Security \u304c\u6d1e\u5bdf\u306b\u5bcc\u3080\u8a18\u4e8b<\/a>\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/a>\u30ed\u30b0 \u30de\u30a6\u30f3\u30c8\u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n\u3053\u306e\u653b\u6483\u306f\u30dd\u30c3\u30c9\u5185\u306b\u3044\u308b\u653b\u6483\u8005\u306b\u3001root \u6a29\u9650\u3092\u6301\u3064\u30db\u30b9\u30c8\u4e0a\u306e\u4efb\u610f\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306a\u3044\u3057\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u8aad\u307f\u53d6\u308a\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u306e\u8981\u4ef6\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
\n- \u30db\u30b9\u30c8\u306e \/var\/log<\/span> \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3078\u306e\u30de\u30a6\u30f3\u30c8\u3092\u3082\u3064\u30dd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/li>\n
- Kubernetes \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u3063\u3066\u30ed\u30b0\u3092\u8aad\u307f\u53d6\u308b\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u304c\u3042\u308b\n
\n- \u3053\u308c\u306f\u30ed\u30b0 \u30a2\u30af\u30bb\u30b9\u3092\u6301\u3064\u901a\u5e38\u306e Kubernetes \u30e6\u30fc\u30b6\u30fc\u3068\u3057\u3066\u5b9f\u73fe\u53ef\u80fd<\/li>\n
- \u4ee3\u308f\u308a\u306b\u30ed\u30b0 \u30a2\u30af\u30bb\u30b9\u3092\u6301\u3064\u30dd\u30c3\u30c9 \u30b5\u30fc\u30d3\u30b9 \u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u3082\u3088\u3044<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
\u6700\u5584\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u30db\u30b9\u30c8\u306e \/var\/log<\/span> \u3078\u306e\u30de\u30a6\u30f3\u30c8\u3092\u3082\u3064\u30dd\u30c3\u30c9\u5185\u304b\u3089\u30ed\u30b0\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\u3053\u306e\u8106\u5f31\u6027\u306f Kubernetes \u304c\u30dd\u30c3\u30c9 \u30ed\u30b0\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u306b\u4f9d\u308b\u3082\u306e\u3067\u3059\u3002\u5404\u30dd\u30c3\u30c9\u306f \/var\/log<\/span> \u5185\u306b\u5bfe\u5fdc\u3059\u308b\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u3092 1 \u3064\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30b7\u30f3\u30dc\u30ea\u30c3\u30af \u30ea\u30f3\u30af (symlink)<\/a> \u306b\u3088\u3063\u3066\u3001 \/var\/lib\/docker\/containers<\/span> \u306b\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\u3053\u306e\u554f\u984c\u306f kubelet<\/a> \u304c\u5b9b\u5148\u3092\u691c\u8a3c\u305b\u305a\u306b\u30b7\u30f3\u30dc\u30ea\u30c3\u30af \u30ea\u30f3\u30af\u306e\u5185\u5bb9\u3092\u8aad\u307f\u53d6\u3063\u3066\u3057\u307e\u3046\u65b9\u6cd5\u306b\u8d77\u56e0\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30b7\u30f3\u30dc\u30ea\u30c3\u30af \u30ea\u30f3\u30af\u306e\u5b9b\u5148\u3092\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u304b\u3089 \/etc\/shadow<\/span> \u3078\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u304c\u30db\u30b9\u30c8\u306e \/etc\/shadow<\/span> \u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\u653b\u6483\u306f\u305d\u3053\u3067\u306f\u7d42\u308f\u308a\u307e\u305b\u3093\u3002Kubernete \u306e kubectl \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3 \u30c4\u30fc\u30eb<\/a><\/span>\u3092\u4ecb\u3057\u3066 HTTP POST \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u3001\u3053\u306e\u30c4\u30fc\u30eb\u306f\u88cf\u3067\u306f
\u30b3\u30f3\u30c6\u30ca\u30fc\u306f\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5229\u7528\u3057\u3066\u9694\u96e2\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u30fc \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u62c5\u5f53\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0<\/a>\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n \u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u30d7\u30ed\u30bb\u30b9\u958b\u59cb\u3068\u305d\u306e\u5c5e\u6027\u306e\u8abf\u6574\u3068\u3044\u3046\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u3066\u3001\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u81ea\u4f53\u306b\u52a0\u3048\u3066\u305d\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u3059\u3079\u3066\u306e\u5236\u9650\u3084\u9694\u96e2\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u306f\u300cinit<\/span>\u300d\u306b\u540d\u524d\u304c\u5909\u66f4\u3055\u308c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n \u901a\u5e38\u306f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u304c\u76f4\u63a5\u4f7f\u308f\u308c\u308b\u3053\u3068\u306f\u306a\u304f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc CLI \u3084\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u901a\u4fe1\u3059\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3 \u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u901a\u3058\u3066\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n \u30b3\u30f3\u30c6\u30ca\u30fc CLI \u306e\u4f8b\u3068\u3057\u3066\u306f\u3001Docker Engine<\/a> \u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002Docker Engine \u306f containerd<\/a> \u3092\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u3057\u3066\u4f7f\u3044\u3001Dockerfile<\/a> \u3092\u30b3\u30f3\u30c6\u30ca\u30fc\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002\u307b\u304b\u306b\u3088\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3 \u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u306f Kubernetes<\/a> \u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3061\u3089\u3082\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u3057\u3066 containerd \u3092\u4f7f\u3048\u307e\u3059\u3002<\/p>\n \u30d7\u30ed\u30bb\u30b9\u306e\u9694\u96e2\u3042\u305f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0<\/a>\u304c\u5909\u66f4\u3059\u308b\u5c5e\u6027\u3068\u3057\u3066\u306f\u6b21\u306e\u3082\u306e\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n \u3059\u3079\u3066\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30f3\u30b8\u30f3\u304c\u3053\u308c\u3089\u5404\u5c5e\u6027\u3092\u6d3b\u7528\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u591a\u304f\u306e\u30a8\u30f3\u30b8\u30f3\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n \u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u3057\u304f\u307f\u3092\u3082\u3063\u3068\u3088\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u9694\u96e2\u3068\u6a29\u9650\u306e\u5236\u9650\u306b\u3068\u304f\u306b\u95a2\u9023\u306e\u6df1\u3044 2 \u3064\u306e\u5c5e\u6027\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3068\u540d\u524d\u7a7a\u9593\u306e\u4f8b\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306b\u3064\u3044\u3066\u3001Linux \u306e man \u30da\u30fc\u30b8<\/a> \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n \u300cLinux \u3067\u306f\u3001\u5f93\u6765\u30b9\u30fc\u30d1\u30fc\u30e6\u30fc\u30b6\u30fc\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u305f\u6a29\u9650\u3092\u3001\u72ec\u7acb\u3057\u3066\u6709\u52b9\u5316\u30fb\u7121\u52b9\u5316\u306e\u3067\u304d\u308b\u3001\u300e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u300f\u3068\u547c\u3070\u308c\u308b\u500b\u5225\u306e\u5358\u4f4d\u306b\u5206\u5272\u3057\u3066\u3044\u307e\u3059\u3002<\/em>\u300d<\/p>\n \u672c\u8cea\u7684\u306b\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u5c5e\u6027\u3068\u3044\u3046\u306e\u306f\u3001\u305d\u306e\u540d\u524d\u306e\u610f\u5473\u3059\u308b\u300c\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u53ef\u80fd (capable) \u306a\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u7bc4\u56f2\u300d\u305d\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n Linux \u304c\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u5c5e\u6027\u3092\u5b9f\u88c5\u3057\u305f\u7406\u7531\u306f\u3001\u5358\u7d14\u306a\u30e6\u30fc\u30b6\u30fc\u3084\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u3067\u306a\u304f\u3001\u3082\u3063\u3068\u591a\u304f\u306e\u624b\u6bb5\u3067\u30d7\u30ed\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u5c5e\u6027\u306f\u3001\u3068\u304f\u306b root \u6a29\u9650\u3092\u6301\u3064\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3067\u304d\u308b\u64cd\u4f5c\u3092\u5236\u9650\u3057\u307e\u3059\u3002<\/p>\n \u4ee5\u4e0b\u306e\u56f3 1 \u306f\u3001Linux \u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306e\u5305\u62ec\u7684\u306a\u30ea\u30b9\u30c8\u3067\u3059\u3002<\/p>\n \u56f3 1 \u306b\u793a\u3057\u305f\u3088\u3046\u306b\u3001chown<\/span> (cap_chown<\/span><\/a>) \u3084 ptrace<\/span> (cap_sys_ptrace<\/span><\/a>) \u306a\u3069\u306e\u3088\u304f\u4f7f\u308f\u308c\u308b\u64cd\u4f5c\u3067\u3059\u3089\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u5236\u5fa1\u53ef\u80fd\u306a root \u64cd\u4f5c\u306e\u4e00\u89a7\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b Linux \u306e man \u30da\u30fc\u30b8<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n \u3053\u306e\u30ed\u30b8\u30c3\u30af\u306f\u5358\u7d14\u3067\u3059\u3002\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u524a\u9664\u3059\u308b\u3068\u3001\u305f\u3068\u3048 root \u6a29\u9650\u304c\u3042\u3063\u3066\u3082\u5bfe\u5fdc\u3059\u308b\u64cd\u4f5c\u306f\u5b9f\u884c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001cap_sys_ptrace<\/span> \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u524a\u9664\u3057\u305f\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8d77\u52d5\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u306e\u6a29\u9650\u30ec\u30d9\u30eb\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30d7\u30ed\u30bb\u30b9\u306f\u307b\u304b\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3057\u3066 ptrace<\/span> \u30b7\u30b9\u30c6\u30e0 \u30b3\u30fc\u30eb (syscall<\/span>) \u3092\u5b9f\u884c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n \u30b3\u30f3\u30c6\u30ca\u30fc\u4f5c\u6210\u306b\u304b\u304b\u308f\u308b\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u4e0d\u8981\u306a\u9ad8\u6a29\u9650\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u6226\u7565\u7684\u306b\u524a\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30f3\u30b8\u30f3\u306f root \u6a29\u9650\u3067\u3082\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u5b89\u5168\u306b\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u3001Linux \u306e\u7d99\u627f\u53ef\u80fd\u306a\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u3063\u3066\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n \u305f\u3060\u3057\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30f3\u30b8\u30f3\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u7acb\u3066\u308b\u3055\u3044\u3001\u7ba1\u7406\u8005\u304c\u9ad8\u6a29\u9650\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u5168\u90e8\u306f\u524a\u9664\u3057\u3066\u3044\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u3046\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u30d7\u30ed\u30bb\u30b9\u304c\u5229\u7528\u3067\u304d\u308b\u7279\u5b9a\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306b\u57fa\u3065\u3044\u3066\u3001\u653b\u6483\u8005\u3089\u306f\u305d\u308c\u3089\u6b8b\u3055\u308c\u305f\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u624b\u6bb5\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n \u540d\u524d\u7a7a\u9593\u306b\u3064\u3044\u3066\u306e Linux man \u30da\u30fc\u30b8<\/a> \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n \u300c\u540d\u524d\u7a7a\u9593\u306f\u30b0\u30ed\u30fc\u30d0\u30eb \u30b7\u30b9\u30c6\u30e0 \u30ea\u30bd\u30fc\u30b9\u3092\u62bd\u8c61\u5316\u3057\u3066\u30e9\u30c3\u30d7\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u540d\u524d\u7a7a\u9593\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306f\u3001\u81ea\u5206\u5c02\u7528\u306e\u9694\u96e2\u3055\u308c\u305f\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u3078\u306e\u5909\u66f4\u306f\u3001\u305d\u306e\u540d\u524d\u7a7a\u9593\u306e\u30e1\u30f3\u30d0\u30fc\u3067\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306f\u898b\u3048\u307e\u3059\u304c\u3001\u305d\u308c\u4ee5\u5916\u306e\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306f\u898b\u3048\u307e\u305b\u3093\u3002\u540d\u524d\u7a7a\u9593\u306e\u7528\u9014\u306e 1 \u3064\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5b9f\u88c5\u3067\u3059\u3002<\/em>\u300d<\/p>\n \u30d7\u30ed\u30bb\u30b9\u7ba1\u7406\u306b\u304a\u3044\u3066\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u306f\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u300c\u4f55<\/em>\u300d\u3092\u5b9f\u884c\u3067\u304d\u308b\u306e\u304b\u3092\u5b9a\u7fa9\u3057\u3001\u540d\u524d\u7a7a\u9593\u306f\u305d\u308c\u3089\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u300c\u3069\u3053<\/em>\u300d\u3067\u5b9f\u884c\u3067\u304d\u308b\u306e\u304b\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u8a00\u3063\u3066\u3057\u307e\u3048\u3070\u540d\u524d\u7a7a\u9593\u3068\u306f\u3001\u300c\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u3068\u305d\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u304c\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u5185\u306b\u72ec\u81ea\u306e\u6392\u4ed6\u7684\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6240\u6709\u3057\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u62bd\u8c61\u5316\u30ec\u30a4\u30e4\u30fc\u300d\u3067\u3059\u3002<\/p>\n \u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u540d\u524d\u7a7a\u9593\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u305e\u308c\u304c\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0 (OS) \u5185\u3067\u7279\u5b9a\u306e\u7a2e\u985e\u306e\u30b0\u30ed\u30fc\u30d0\u30eb \u30ea\u30bd\u30fc\u30b9\u3092\u53d7\u3051\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n \u3044\u3061\u3070\u3093\u308f\u304b\u308a\u3084\u3059\u3044\u540d\u524d\u7a7a\u9593\u306e 1 \u3064\u306f\u3001PID (\u30d7\u30ed\u30bb\u30b9\u8b58\u5225\u5b50) \u540d\u524d\u7a7a\u9593\u3067\u3059\u3002\u7ba1\u7406\u8005\u307e\u305f\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u65b0\u3057\u3044 PID \u540d\u524d\u7a7a\u9593\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001OS \u306f\u540d\u524d\u7a7a\u9593\u306e\u4f5c\u6210\u3092\u62c5\u5f53\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306b PID 1 \u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002\u6b21\u306b OS \u306f\u6b21\u306e PID \u3067\u3042\u308b 2 \u3092\u6700\u521d\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u30013 \u3092 2 \u756a\u76ee\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u30014 \u3092 3 \u756a\u76ee\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u3001\u3068\u3044\u3046\u3088\u3046\u306b\u5272\u308a\u5f53\u3066\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n \u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304c root \u6a29\u9650\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u3066 cap_kill<\/span><\/a> \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u3082\u3063\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u30b7\u30ca\u30ea\u30aa\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u5834\u5408\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u6a29\u9650\u306e\u30c1\u30a7\u30c3\u30af\u3092\u56de\u907f\u3057\u3001\u307b\u307c\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7d42\u4e86\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u65b0\u3057\u3044 PID \u540d\u524d\u7a7a\u9593\u5185\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86\u80fd\u529b\u306f\u540c\u4e00\u540d\u524d\u7a7a\u9593\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3057\u3066\u306b\u9650\u3089\u308c\u307e\u3059\u3002cap_kill<\/span> \u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3092\u6301\u3064\u3053\u306e\u5143\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3068\u3063\u3066\u3001\u81ea\u8eab\u306e PID \u540d\u524d\u7a7a\u9593\u5916\u90e8\u306b\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u672c\u8cea\u7684\u306b\u5b58\u5728\u3057\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n \u57fa\u672c\u7684\u306b\u540d\u524d\u7a7a\u9593\u306f\u9694\u96e2\u5f37\u5236\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3082\u306e\u3067\u3001\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u3084 seccomp \u306a\u3069\u306e\u8ffd\u52a0\u6a5f\u80fd\u3092\u5099\u3048\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u610f\u56f3\u305b\u305a\u307b\u304b\u306e\u540d\u524d\u7a7a\u9593\u306b\u5e72\u6e09\u3057\u305f\u308a\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u305f\u308a\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n \u4e0b\u306e\u56f3 2 \u306f\u3001\u5229\u7528\u53ef\u80fd\u306a Linux \u306e\u540d\u524d\u7a7a\u9593\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u540d\u524d\u7a7a\u9593\u306b\u95a2\u3059\u308b Linux \u306e man \u30da\u30fc\u30b8<\/a>\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n \u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u3044\u3046\u3068\u300c\u30db\u30b9\u30c8 \u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u80fd\u529b\u300d\u3060\u3051\u3092\u9023\u60f3\u3059\u308b\u65b9\u304c\u304a\u3089\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u6280\u8853\u304c\u3069\u308c\u3082\u3053\u306e\u67a0\u306b\u53ce\u307e\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u306f\u3001\u653b\u6483\u8005\u304c\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f7f\u3063\u3066\u30db\u30b9\u30c8\u304b\u3089\u30c7\u30fc\u30bf\u3092\u76d7\u3093\u3060\u308a\u3001\u7279\u6a29\u6607\u683c\u3092\u5b9f\u884c\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n \u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u6280\u8853\u306e\u4f8b\u3092\u3044\u304f\u3064\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n \u6700\u521d\u306e\u4f8b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u3068\u547c\u3070\u308c\u308b\u4e00\u9023\u306e\u6280\u8853\u3067\u3059\u3002\u3053\u306e\u4f8b\u306f call_usermodehelper<\/span><\/a> \u30ab\u30fc\u30cd\u30eb\u95a2\u6570\u3092\u60aa\u7528\u3059\u308b\u3053\u3068\u304b\u3089\u305d\u306e\u540d\u304c\u4ed8\u304d\u307e\u3057\u305f\u3002<\/p>\n \u30c9\u30e9\u30a4\u30d0\u30fc\u5411\u3051\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u308b call_usermodehelper<\/span> \u95a2\u6570\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u304b\u3089\u76f4\u63a5\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u6e96\u5099\u3057\u3066\u958b\u59cb\u3059\u308b\u3053\u3068\u3067\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u3067\u7a3c\u50cd\u3059\u308b\u4efb\u610f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u6607\u683c\u3055\u308c\u305f\u6a29\u9650\u3067\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n \u305f\u3060\u3057\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30c9\u30e9\u30a4\u30d0\u30fc\u305d\u306e\u307b\u304b\u306e\u30ab\u30fc\u30cd\u30eb \u30e2\u30fc\u30c9 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\u3053\u3053\u3067\u5f37\u8abf\u3057\u3066\u304a\u304d\u305f\u3044\u306e\u304c\u3001\u653b\u6483\u8005\u304c\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u3067\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u30fb\u5909\u66f4\u3059\u308c\u3070\u3001\u30ab\u30fc\u30cd\u30eb\u3092\u9a19\u3057\u3066\u3055\u307e\u3056\u307e\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092 root \u6a29\u9650\u3067\u5b9f\u884c\u3067\u304d\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u3053\u308c\u306b\u306f root \u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u653b\u6483\u8005\u304c\u6607\u683c\u3055\u308c\u305f\u6a29\u9650\u304b\u60aa\u7528\u53ef\u80fd\u306a\u8106\u5f31\u6027\u3092\u7a81\u3044\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u5236\u5fa1\u3092\u596a\u3063\u305f\u5834\u5408\u3001\u305d\u306e\u653b\u6483\u8005\u304c\u5fc5\u8981\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u3068\u308b\u306e\u306f\u5bb9\u6613\u3067\u3059\u3002<\/p>\n \u3053\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u306f\u3001cgroup \u3068\u305d\u306e release_agent<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u6d3b\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u904e\u53bb\u306b cgroup \u306b\u5f71\u97ff\u3059\u308b\u8106\u5f31\u6027<\/a>\u306b\u3064\u3044\u3066\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u6280\u8853\u306f\u8106\u5f31\u6027\u306b\u57fa\u3065\u304f\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002root \u6a29\u9650\u3092\u6301\u3064\u653b\u6483\u8005\u304c\u3053\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u6280\u8853\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u3092\u5b9f\u73fe\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002cgroups<\/a> \u306f\u30d7\u30ed\u30bb\u30b9\u3078\u306e\u30ea\u30bd\u30fc\u30b9\u5272\u308a\u5f53\u3066\u8abf\u6574\u306b\u4f7f\u308f\u308c\u3066\u3044\u3066\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\u3092\u5236\u9650\u3059\u308b\u624b\u6bb5\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n \u4eca\u56de\u306e\u4f8b\u3067\u306f\u3001cgroup \u306e release_agent<\/span> \u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u306b\u30012019 \u5e74\u306e Black Hat USA \u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u3001Brandon Edwards \u6c0f\u3068 Nick Freeman \u6c0f\u306b\u3088\u308a\u6700\u521d\u306b\u767a\u8868\u3055\u308c\u305f [PDF] <\/a>\u6280\u8853\u3092\u7528\u3044\u307e\u3059\u3002\u7279\u5b9a\u306e cgroup \u306e release_agent<\/span> \u3092\u6709\u52b9\u306b\u3059\u308c\u3070\u3001\u5bfe\u8c61 cgroup \u304c\u7a7a\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u653b\u6483\u8005\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002Linux \u306f cgroups \u306e\u9069\u5207\u306a\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u306e\u305f\u3081\u306e\u3053\u306e\u6a5f\u80fd\u3092\u542b\u3081\u3066\u3044\u307e\u3059\u304c\u3001OS \u306f\u4f55\u3089\u53b3\u5bc6\u306a\u5236\u7d04\u3092\u6301\u3063\u3066\u304a\u3089\u305a\u3001\u4efb\u610f\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n \u3053\u306e\u6280\u8853\u306e\u5b9f\u88c5\u306b\u306f\u6b21\u306e\u624b\u9806\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n \u4ee5\u4e0b\u306e\u56f3 3 \u306f\u3001\u7c21\u6f54\u306a\u30b7\u30a7\u30eb \u30b3\u30de\u30f3\u30c9\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u3053\u306e\u6280\u8853\u3092\u5b9f\u88c5\u3057\u305f\u4f8b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n \u30b3\u30f3\u30c6\u30ca\u30fc 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\u30ea\u30b9\u30af\u306e\u4e8b\u524d\u7684\u691c\u51fa\u30fb\u7de9\u548c\u80fd\u529b\u5411\u4e0a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n \u4e0b\u306e\u56f3 4 \u306f\u3001DEEPCE<\/a> \u30ea\u30dd\u30b8\u30c8\u30ea\u30fc\u304b\u3089\u5f97\u305f deepce.sh<\/span> \u3068\u3044\u3046\u4fb5\u5165\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u3067 release_agent<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u3053\u308d\u3092 Cortex XDR \u304c\u7279\u5b9a\u3057\u305f\u69d8\u5b50\u3067\u3059\u3002<\/p>\n \u56f3 4 \u306f Cortex XDR \u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 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\u3053\u306e\u524d\u63d0\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u3066\u3044\u308b\u306a\u3089\u3001\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u3053\u306e\u653b\u6483\u306f\u5bb9\u6613\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u3078\u306e SUID \u6a29\u9650\u30d3\u30c3\u30c8\u8a2d\u5b9a\u306f\u7c21\u5358\u306a\u624b\u9806\u3067\u3001\u4ee5\u4e0b\u306e chmod<\/span><\/a> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u3060\u3051\u3067\u3059\u307f\u307e\u3059\u3002<\/p>\n chmod u+s <\u30d5\u30a1\u30a4\u30eb\u540d><\/span><\/strong><\/p>\n \u3053\u308c\u306f\u975e\u5e38\u306b\u7279\u6b8a\u306a\u653b\u6483\u6280\u8853\u306a\u306e\u3067\u3001\u653b\u6483\u306e\u91cd\u8981\u6bb5\u968e\u306b\u7684\u3092\u7d5e\u3063\u305f\u691c\u51fa\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n \u56f3 5 \u306f\u3001SUID \u6280\u8853\u3092\u4f7f\u3063\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u8a66\u884c\u3092\u691c\u51fa\u30fb\u30d6\u30ed\u30c3\u30af\u3057\u305f Cortex XDR \u304b\u3089\u306e\u30a2\u30e9\u30fc\u30c8\u3067\u3059\u3002<\/p>\n Cortex XDR \u306f\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883 (runc<\/span>) \u304b\u3089\u306e bash<\/span> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u7d4c\u7531\u306e chmod<\/span> \u30b3\u30de\u30f3\u30c9\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831\u3057\u3066\u3044\u307e\u3059 (\u56f3 5)\u3002\u3053\u306e chmod<\/span> \u30b3\u30de\u30f3\u30c9\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u3068\u30db\u30b9\u30c8\u304c\u5171\u6709\u3057\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u3001SUID \u6a29\u9650\u30d3\u30c3\u30c8\u3092\u8a2d\u5b9a\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n \u30b3\u30f3\u30c6\u30ca\u30fc \u30a4\u30f3\u30d5\u30e9\u306f\u30db\u30b9\u30c8\u74b0\u5883\u5185\u3067\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc \u30e2\u30c7\u30eb\u3067\u52d5\u3044\u3066\u3044\u307e\u3059\u3002Docker \u306a\u3069\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u8aac\u660e\u3057\u3066\u3044\u308b\u3088\u3046\u306b<\/a>\u3001\u30b3\u30f3\u30c6\u30ca\u30fc CLI \u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u4e00\u65b9\u3001\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30c7\u30fc\u30e2\u30f3\u306f\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u56f3 6 \u306f Docker \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6982\u8981\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3001\u3053\u308c\u3092\u898b\u308b\u3068\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc\u578b\u306e\u7279\u6027\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n \u3053\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc \u30a4\u30f3\u30d5\u30e9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u30e9\u30f3\u30bf\u30a4\u30e0 \u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306f\u3001API \u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u5916\u90e8\u306b\u516c\u958b\u3057\u3066\u3044\u3066\u3001\u3053\u306e API \u30b5\u30fc\u30d0\u30fc\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3055\u3044\u306e\u901a\u4fe1\u306f\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8<\/a>\u3068\u547c\u3070\u308c\u308b Unix \u30bd\u30b1\u30c3\u30c8<\/a>\u3092\u4ecb\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3001\u5bfe\u8c61\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u304b\u3089\u305d\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3068\u76f4\u63a5\u5bfe\u8a71\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n \u3053\u306e\u6280\u8853\u3092\u4f7f\u3046\u3068\u3001\u653b\u6483\u8005\u306f\u540c\u4e00\u30db\u30b9\u30c8\u4e0a\u306b\u65b0\u305f\u306a\u7279\u6a29\u3064\u304d\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u4f5c\u6210\u5f8c\u306f\u305d\u306e\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f7f\u3063\u3066\u30db\u30b9\u30c8\u5074\u3078\u3068\u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u304d\u307e\u3059\u3002<\/p>\n \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u304c\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u306b\u30de\u30a6\u30f3\u30c8\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001API \u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u30b3\u30de\u30f3\u30c9\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u5236\u5fa1\u3092\u78ba\u7acb\u3057\u305f\u653b\u6483\u8005\u306f\u3001\u305d\u306e Unix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb<\/a> \u3092\u4f7f\u3063\u3066 API \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u5bb9\u6613\u306b\u65b0\u305f\u306a\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3057\u3001\u305d\u3053\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3066\u30db\u30b9\u30c8\u5074\u3078\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n Unix \u30bd\u30b1\u30c3\u30c8 \u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u305f\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u3068\u306e\u3084\u308a\u3068\u308a\u306f\u3001\u6b21\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u3088\u308a\u9054\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n \u524d\u8005\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3060\u3068\u3001\u653b\u6483\u8005\u306f REST API<\/a> \u306e\u547c\u3073\u51fa\u3057\u3092\u3057\u306a\u304f\u3066\u3082\u901a\u5e38\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u8b58\u5225\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u5185\u3067\u305d\u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u306e CLI \u3092\u53d6\u5f97\u3059\u308b\u306e\u306f\u3072\u3068\u4ed5\u4e8b\u3067\u3057\u3087\u3046\u3002<\/p>\n \u9006\u306b\u3001 curl<\/span> \u306e\u3088\u3046\u306a\u3088\u304f\u3042\u308b\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3046\u3053\u3068\u306b\u3082\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001\u307b\u3068\u3093\u3069\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u74b0\u5883\u306b\u306f\u305d\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u65e2\u306b\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306e\u5834\u5408\u3088\u308a\u8907\u96d1\u306a REST API \u30b3\u30de\u30f3\u30c9\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u304c\u3001API \u30b5\u30fc\u30d0\u30fc\u3068\u901a\u4fe1\u3059\u308b\u305f\u3081\u306e\u8ffd\u52a0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n \u4ee5\u4e0b\u306f\u3001Docker \u306e REST API \u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u5bfe\u8a71\u3059\u308b curl<\/span> \u30b3\u30de\u30f3\u30c9\u306e\u4f8b\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u4f8b\u3067\u306f\u3001\u653b\u6483\u8005\u304c\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3057\u3066\u8d77\u52d5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n \u3053\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u6280\u8853\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u653b\u6483\u8005\u306f\u30db\u30b9\u30c8\u306e\u30eb\u30fc\u30c8 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3078\u306e\u30de\u30a6\u30f3\u30c8 \u30dd\u30a4\u30f3\u30c8\u3092\u6301\u3064\u7279\u6a29\u4ed8\u304d\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3053\u306e\u5f8c\u3001\u30db\u30b9\u30c8\u306e\u30d5\u30a1\u30a4\u30eb \u30b7\u30b9\u30c6\u30e0\u3078\u306e\u7279\u6a29\u30a2\u30af\u30bb\u30b9\u3092\u901a\u3058\u3066\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\u30fc\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u304d\u307e\u3059\u3002<\/p>\n \u3053\u306e\u5f62\u5f0f\u306e\u653b\u6483\u306f\u8907\u6570\u306e\u65b9\u6cd5\u3067\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n \u691c\u51fa\u80fd\u529b\u3092\u5f37\u5316\u3059\u308b\u306b\u306f\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u3053\u3068\u3067\u3059\u3002\u305d\u308c\u306b\u3088\u308a\u30ab\u30d0\u30ec\u30c3\u30b8\u3092\u6700\u9069\u5316\u3059\u308b\u591a\u5c64\u9632\u5fa1\u6226\u7565\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n \u4ee5\u4e0b\u306e\u56f3 7 \u306f\u3001\u4fb5\u5165\u30c6\u30b9\u30c8 \u30c4\u30fc\u30eb DEEPCE \u3092\u4f7f\u3063\u305f\u653b\u6483\u3092 Cortex XDR \u304c\u691c\u51fa\u30fb\u9632\u6b62\u3057\u305f\u3055\u3044\u306e\u30a2\u30e9\u30fc\u30c8\u3067\u3059\u3002curl<\/span> \u3092\u4f7f\u3063\u3066\u30de\u30a6\u30f3\u30c8\u3057\u305f\u30b3\u30f3\u30c6\u30ca\u30fc \u30bd\u30b1\u30c3\u30c8\u304b\u3089\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n \u3053\u308c\u306f Kubernetes \u306b\u7279\u6709\u306e\u653b\u6483\u3067\u3001\u3088\u308a\u6b63\u78ba\u306b\u306f\u30dd\u30c3\u30c9 \u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001Kubernetes \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u3092\u300c\u30dd\u30c3\u30c9 (pod)<\/a>\u300d\u3068\u547c\u3093\u3067\u3044\u307e\u3059\u3057\u3001\u3053\u306e\u653b\u6483\u3067\u306f Kubernetes \u7279\u6709\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30ca\u30fc\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u672c\u6280\u8853\u306b\u3064\u3044\u3066\u306f\u30012019 \u5e74\u306b Aqua Security \u304c\u6d1e\u5bdf\u306b\u5bcc\u3080\u8a18\u4e8b<\/a>\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n \u3053\u306e\u653b\u6483\u306f\u30dd\u30c3\u30c9\u5185\u306b\u3044\u308b\u653b\u6483\u8005\u306b\u3001root \u6a29\u9650\u3092\u6301\u3064\u30db\u30b9\u30c8\u4e0a\u306e\u4efb\u610f\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306a\u3044\u3057\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u8aad\u307f\u53d6\u308a\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u306e\u8981\u4ef6\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n \u6700\u5584\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u30db\u30b9\u30c8\u306e \/var\/log<\/span> \u3078\u306e\u30de\u30a6\u30f3\u30c8\u3092\u3082\u3064\u30dd\u30c3\u30c9\u5185\u304b\u3089\u30ed\u30b0\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n \u3053\u306e\u8106\u5f31\u6027\u306f Kubernetes \u304c\u30dd\u30c3\u30c9 \u30ed\u30b0\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u306b\u4f9d\u308b\u3082\u306e\u3067\u3059\u3002\u5404\u30dd\u30c3\u30c9\u306f \/var\/log<\/span> \u5185\u306b\u5bfe\u5fdc\u3059\u308b\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u3092 1 \u3064\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30b7\u30f3\u30dc\u30ea\u30c3\u30af \u30ea\u30f3\u30af (symlink)<\/a> \u306b\u3088\u3063\u3066\u3001 \/var\/lib\/docker\/containers<\/span> \u306b\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n \u3053\u306e\u554f\u984c\u306f kubelet<\/a> \u304c\u5b9b\u5148\u3092\u691c\u8a3c\u305b\u305a\u306b\u30b7\u30f3\u30dc\u30ea\u30c3\u30af \u30ea\u30f3\u30af\u306e\u5185\u5bb9\u3092\u8aad\u307f\u53d6\u3063\u3066\u3057\u307e\u3046\u65b9\u6cd5\u306b\u8d77\u56e0\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30b7\u30f3\u30dc\u30ea\u30c3\u30af \u30ea\u30f3\u30af\u306e\u5b9b\u5148\u3092\u30ed\u30b0 \u30d5\u30a1\u30a4\u30eb\u304b\u3089 \/etc\/shadow<\/span> \u3078\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u304c\u30db\u30b9\u30c8\u306e \/etc\/shadow<\/span> \u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n \u653b\u6483\u306f\u305d\u3053\u3067\u306f\u7d42\u308f\u308a\u307e\u305b\u3093\u3002Kubernete \u306e kubectl \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3 \u30c4\u30fc\u30eb<\/a><\/span>\u3092\u4ecb\u3057\u3066 HTTP POST \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u3001\u3053\u306e\u30c4\u30fc\u30eb\u306f\u88cf\u3067\u306f \n
<\/a>\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3<\/h4>\n
![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u9ed2\u3044\u80cc\u666f\u306b\u767d\u3044\u7b49\u5e45\u30d5\u30a9\u30f3\u30c8\u3067\u793a\u3057\u305f](\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-574065-135326-1.jpeg\")
<\/a>\u540d\u524d\u7a7a\u9593<\/h4>\n
![\"\u3053\u308c\u306f](\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-577289-135326-2.jpeg\")
<\/a>\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7<\/h2>\n
<\/a>\u4f8b 1: \u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc<\/strong><\/h3>\n
<\/a>\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n
<\/a>\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc: release_agent<\/strong><\/h5>\n
\n
![\"\u767d\u3067\u8868\u793a\u3055\u308c\u305f\u8907\u6570\u884c\u306e\u30b3\u30fc\u30c9\u306b\u306f\u3001\u3055\u307e\u3056\u307e\u306a](\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-580232-135326-3.png\")
<\/a>\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u653b\u6483\u6280\u8853\u306e\u691c\u51fa\u65b9\u6cd5<\/h4>\n
\n
<\/a>\u5b9f\u5730\u3067\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30d8\u30eb\u30d1\u30fc\u653b\u6483\u6280\u8853\u306e\u691c\u51fa<\/h4>\n
![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc](\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-584950-135326-4.jpeg\")
\u56f3 4. DEEPCE \u3092\u4f7f\u3063\u305f release_agent<\/span> \u306e\u30b3\u30f3\u30c6\u30ca\u30fc \u30a8\u30b9\u30b1\u30fc\u30d7\u8a66\u884c\u3067\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u305f Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8<\/figcaption><\/figure>\n<\/a>\u4f8b 2: SUID \u3092\u4f7f\u7528\u3057\u305f\u7279\u6a29\u6607\u683c<\/strong><\/h3>\n
<\/a>SUID \u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n
\n
\n
\n\u653b\u6483\u8005\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u5074\u3001\u30db\u30b9\u30c8\u5074\u306e\u3044\u305a\u308c\u306e\u5074\u304b\u3089\u3067\u3082\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/a>SUID \u653b\u6483\u6280\u8853\u306e\u691c\u51fa\u65b9\u6cd5<\/h4>\n
\n
<\/a>\u5b9f\u5730\u3067\u306e SUID \u653b\u6483\u6280\u8853\u691c\u51fa<\/h4>\n
![\"\"](\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-588290-135326-5.jpeg\")
<\/a>\u4f8b 3: \u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8<\/strong><\/h3>\n
![\"\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3001Docker](\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-591058-135326-6.png\")
<\/a>\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u306e\u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n
\n
\n
\n
\n
\n
<\/a>\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u653b\u6483\u6280\u8853\u306e\u691c\u51fa\u65b9\u6cd5<\/h4>\n
\n
<\/a>\u5b9f\u5730\u3067\u306e\u30e9\u30f3\u30bf\u30a4\u30e0 \u30bd\u30b1\u30c3\u30c8\u653b\u6483\u6280\u8853\u691c\u51fa<\/h4>\n
![\"\u3053\u306e\u753b\u50cf\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fb5\u5bb3\u306e\u8a66\u307f\u3092\u793a\u3059\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3](\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-595259-135326-7.png\")
<\/a>\u4f8b 4: \u30ed\u30b0 \u30de\u30a6\u30f3\u30c8<\/strong><\/h3>\n
<\/a>\u30ed\u30b0 \u30de\u30a6\u30f3\u30c8\u653b\u6483\u6280\u8853\u306e\u3057\u304f\u307f<\/h4>\n
\n
\n