{"id":128982,"date":"2023-06-27T15:00:01","date_gmt":"2023-06-27T22:00:01","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=128982"},"modified":"2024-07-30T18:09:44","modified_gmt":"2024-07-31T01:09:44","slug":"cobalt-strike-malleable-c2","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/cobalt-strike-malleable-c2\/","title":{"rendered":"Cobalt Strike\u89e3\u6790&#038;\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb: \u4eba\u6c17Cobalt Strike Malleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u6280\u8853\u306e\u691c\u51fa"},"content":{"rendered":"<h2><a id=\"post-128982-_4lt92rr5muov\"><\/a><strong>\u6982\u8981<\/strong><\/h2>\n<p>Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b2\u3064\u306eCobalt Strike Team Server\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u516c\u958b\u30ea\u30dd\u30b8\u30c8\u30ea\u4e0a\u306b\u306f\u306a\u3044\u3001\u65b0\u305f\u306a\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u672c\u7a3f\u306f\u653b\u6483\u8005\u306b\u3088\u308b\u72ec\u81ea\u6280\u8853\u3092\u53d6\u308a\u4e0a\u3052\u3001Cobalt Strike\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u3069\u306e\u3088\u3046\u306b\u60aa\u7528\u3057\u3001\u30b7\u30b0\u30cd\u30c1\u30e3\u30fc \u30d9\u30fc\u30b9\u306e\u691c\u51fa\u3092\u56de\u907f\u3057\u3066\u3044\u308b\u304b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3055\u308c\u305fTeam Server\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u308c\u3089\u306fBeacon\u30a4\u30f3\u30d7\u30e9\u30f3\u30c8\u3092\u30db\u30b9\u30c8\u3057\u3001\u30b3\u30de\u30f3\u30c9&amp;\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb(C2)\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3057\u305f\u3002Beacon\u30d0\u30a4\u30ca\u30ea\u30fc\u304b\u3089\u306f\u3001Malleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u69cb\u6210\u3082\u62bd\u51fa\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u69cb\u6210\u3092\u898b\u308b\u3053\u3068\u3067\u3001\u6a19\u6e96\u7684\u306a\u691c\u51fa\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3069\u306e\u3088\u3046\u306a\u624b\u6cd5\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u306e\u304b\u306e\u7406\u89e3\u304c\u6df1\u307e\u308a\u307e\u3059\u3002<\/p>\n<p>Cobalt Strike Team Server\u306e\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u306f\u3001C2\u30a4\u30f3\u30d5\u30e9\u3092\u826f\u6027\u306e\u3088\u304f\u77e5\u3089\u308c\u305f\u30b5\u30fc\u30d3\u30b9\u306e\u80cc\u5f8c\u306b\u96a0\u3059\u3053\u3068\u3067\u691c\u51fa\u3092\u56de\u907f\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u307e\u305f\u79c1\u305f\u3061\u306f\u3001Team Server\u7528\u306eC2\u30a4\u30f3\u30d5\u30e9\u304c\u3001\u8457\u540d\u306a\u30d1\u30d6\u30ea\u30c3\u30af \u30af\u30e9\u30a6\u30c9\u306e\u30a4\u30f3\u30d5\u30e9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u5229\u7528\u3057\u3066\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3053\u306e\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u306f\u3001\u65b0\u305f\u306aMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3082\u30c7\u30d7\u30ed\u30a4\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u8105\u5a01\u3082\u30ec\u30c3\u30c9 \u30c1\u30fc\u30e0 \u30a2\u30af\u30bf\u30fc\u3082\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u6b3a\u3044\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3084\u691c\u51fa\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u65b0\u305f\u306a\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u6226\u8853\u306b\u306f\u3001HTTP\u306eURL\u3084\u30d8\u30c3\u30c0\u30fc \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3001\u30db\u30b9\u30c8 \u30d8\u30c3\u30c0\u30fc\u3092\u3001\u826f\u6027\u306e\u5e83\u304f\u8a8d\u77e5\u3055\u308c\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067Cobalt Strike Beacon\u304a\u3088\u3073Team Server\u306eC2\u901a\u4fe1\u304b\u3089\u306e\u4fdd\u8b77\u3068\u7de9\u548c\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/docs.paloaltonetworks.com\/pan-os\/10-2\/pan-os-admin\/threat-prevention\/about-threat-prevention\/advanced-threat-prevention\" target=\"_blank\" rel=\"noopener\">Advanced Threat Prevention<\/a>\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6709\u52b9\u306b\u3057\u305f\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb(<a href=\"https:\/\/docs.paloaltonetworks.com\/ngfw\" target=\"_blank\" rel=\"noopener\">NGFW<\/a>)\u306f\u3001\u30ab\u30b9\u30bf\u30e0 \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3057\u305fCobalt Strike\u306eHTTP C2\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8b58\u5225\u3057\u3066\u30d6\u30ed\u30c3\u30af\u3057\u3001\u30c7\u30d5\u30a9\u30eb\u30c8 \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb(\u30b7\u30b0\u30cd\u30c1\u30e3\u30fc86445\u300186446)\u306eBase64\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u8a2d\u5b9a\u3067\u30de\u30b9\u30ad\u30f3\u30b0\u3055\u308c\u305fHTTP C2 \u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/docs.paloaltonetworks.com\/wildfire\" target=\"_blank\" rel=\"noopener\">WildFire<\/a>\u3068<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XDR\" target=\"_blank\" rel=\"noopener\">Cortex XDR<\/a>\u306f\u3001Cobalt Strike Beacon\u306e\u30d0\u30a4\u30ca\u30ea\u30fc\u3092\u8b58\u5225\u30fb\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001XDR\u306f\u95a2\u9023\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3092\u5831\u544a\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/xsoar.pan.dev\/docs\/reference\/playbooks\/mitre-attck-co-a---t1041---exfiltration-over-c2-channel\" target=\"_blank\" rel=\"noopener\">Cortex XSOAR\u306e\u30ec\u30b9\u30dd\u30f3\u30b9 \u30d1\u30c3\u30af\u3068\u30d7\u30ec\u30a4\u30d6\u30c3\u30af<\/a>\u306f\u7de9\u548c\u5bfe\u7b56\u30d7\u30ed\u30bb\u30b9\u3092\u81ea\u52d5\u5316\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/docs.paloaltonetworks.com\/advanced-url-filtering\/administration\" target=\"_blank\" rel=\"noopener\">Advanced URL Filtering<\/a>\u306b\u306f\u3001\u60aa\u610f\u306e\u3042\u308bURL\u3068IP\u30a2\u30c9\u30ec\u30b9\u3092\u8ffd\u52a0\u6e08\u307f\u3067\u3059\u3002<\/li>\n<\/ul>\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<td style=\"width: 35%;\"><b>\u95a2\u9023\u3059\u308bUnit 42\u306e\u30c8\u30d4\u30c3\u30af<\/b><\/td>\n<td style=\"width: 100%;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/cobalt-strike-ja\/\" target=\"_blank\" rel=\"noopener\"><b>Cobalt Strike<\/b><\/a>, <strong><a href=\"https:\/\/unit42.paloaltonetworks.jp\/cateogry\/malware-2\/\" target=\"_blank\" rel=\"noopener\">Malware<\/a><\/strong><\/td>\n<\/tr>\n<\/thead>\n<\/table>\n<h2><a id=\"post-128982-_tvr9nftgwuhn\"><\/a><strong>\u4e8b\u4f8b\u5206\u6790<\/strong><\/h2>\n<p>Cobalt Strike\u306f\u3001\u5c02\u9580\u5bb6\u3089\u304c\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u306b\u304a\u3051\u308b\u8105\u5a01\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u4f7f\u3046\u52b9\u679c\u306e\u9ad8\u3044\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3059\u3002\u4e3b\u306a\u76ee\u7684\u306fBeacon\u30a4\u30f3\u30d7\u30e9\u30f3\u30c8\u3068Team Server\u306e\u9593\u306b\u5b89\u5168\u3067\u691c\u51fa\u3055\u308c\u306a\u3044\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u3067\u3059\u3002Malleable C2\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001Cobalt Strike\u306e\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u3089\u306f\u3001\u975e\u5e38\u306b\u67d4\u8edf\u3067\u56de\u907f\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u7c21\u5358\u306b\u4f5c\u6210\u3057\u3001\u3055\u307e\u3056\u307e\u306aC2\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7c21\u5358\u306b\u751f\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Unit42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3001\u8105\u5a01\u307e\u305f\u306f\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0 \u30a2\u30af\u30bf\u30fc\u304c\u73fe\u5728\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u3088\u308b\u691c\u51fa\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3063\u3066\u3044\u308b2\u3064\u306e\u72ec\u81ea\u6226\u8853\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u4e8b\u4f8b\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u3053\u308c\u3089\u306e\u4eba\u3005\u304c\u3069\u306e\u3088\u3046\u306a\u6280\u8853\u3092\u4f7f\u3044\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30e9\u30fc\u30c8\u3092\u907f\u3051\u3064\u3064\u6709\u5bb3\u884c\u70ba\u3092\u9042\u884c\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4e8b\u4f8b\u7814\u7a76\u306f\u771f\u967d\u6027(True Positive: TP)\u3060\u3063\u305f\u691c\u51fa\u3092\u5206\u6790\u3057\u3066\u5f97\u305f\u3082\u306e\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001Cobalt Strike Team Server\u306e\u30a4\u30f3\u30d5\u30e9\u3092\u7279\u5b9a\u3057\u3001Malleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u69cb\u6210\u60c5\u5831\u3092\u62bd\u51fa\u3057\u3001\u305d\u306e\u69cb\u6210\u3068\u30a4\u30f3\u30d7\u30e9\u30f3\u30c8 \u30c7\u30fc\u30bf\u3092\u518d\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3067\u3001\u691c\u51fa\u6539\u5584\u306b\u3064\u306a\u3052\u307e\u3057\u305f\u3002<\/p>\n<h3><a id=\"post-128982-_7bj8azz1dnxk\"><\/a>\u4e8b\u4f8b1: \u65b0\u305f\u306a\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/h3>\n<p>Cobalt Strike\u306b\u306f\u3001\u5341\u5206\u306b\u6587\u66f8\u5316\u3055\u308c\u305f\u30ab\u30b9\u30bf\u30e0<a href=\"https:\/\/hstechdocs.helpsystems.com\/manuals\/cobaltstrike\/current\/userguide\/content\/topics\/malleable-c2_profile-language.htm#_Toc65482837\" target=\"_blank\" rel=\"noopener\">\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u8a00\u8a9e<\/a>\u304c\u3042\u308a\u307e\u3059\u3002\u653b\u6483\u8005\u3084\u30ec\u30c3\u30c9 \u30c1\u30fc\u30e0\u306f\u3001\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u65e2\u77e5\u306eMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u63a2\u3059\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u3001\u3088\u304f\u8a2d\u8a08\u3055\u308c\u305f\u30e6\u30cb\u30fc\u30af\u306aMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5c55\u958b\u3059\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f<span style=\"font-family: 'courier new', courier, monospace;\">23.95.44[.]80:80<\/span>\u3067\u7a3c\u50cd\u3057\u3066\u3044\u308bTeam Server\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u3002\u3053\u306eTeam Server\u306b\u306fSHA-256\u30cf\u30c3\u30b7\u30e5\u304c<span style=\"font-family: 'courier new', courier, monospace;\">22631d171fd7d531c0bc083a5335a910a95257e3194b50d8b471740d3a91fe34<\/span>\u306eBeacon\u30d5\u30a1\u30a4\u30eb\u304c\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u79c1\u305f\u3061\u306f\u3053\u306eBeacon\u30d0\u30a4\u30ca\u30ea\u30fc\u304b\u3089\u69cb\u6210\u3092\u62bd\u51fa\u3057\u3001\u793e\u5185\u30c4\u30fc\u30eb\u3067Malleable C2\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u5c0e\u51fa\u3057\u3066\u518d\u69cb\u7bc9\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u56f31\u306f\u3001\u79c1\u305f\u3061\u304c\u62bd\u51fa\u30fb\u518d\u4f5c\u6210\u3057\u305f\u30ab\u30b9\u30bf\u30e0 \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u753b\u50cf\u306e\u5de6\u534a\u5206\u306fBeacon\u901a\u4fe1\u306eGET\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3001\u53f3\u5074\u306fPOST\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>GET\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u306e\u6697\u53f7\u5316\u30fb\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u3001Cookie\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e<span style=\"font-family: 'courier new', courier, monospace;\">SESSIONID<\/span>\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002POST\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306eID\u306f\u3001\u30ab\u30b9\u30bf\u30e0 \u30d8\u30c3\u30c0\u30fc\u306e<span style=\"font-family: 'courier new', courier, monospace;\">User<\/span>\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u3053\u306eID\u306f<span style=\"font-family: 'courier new', courier, monospace;\">Mask<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">NetBIOSU<\/span>\u3092\u4f7f\u3063\u3066\u4e8c\u91cd\u306b\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002\u30bf\u30b9\u30af\u5b9f\u884c\u304b\u3089\u306e\u51fa\u529b\u3082\u4e8c\u91cd\u306b\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3001POST\u30dc\u30c7\u30a3\u306e\u30c7\u30fc\u30bf\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Beacon\u306e\u60c5\u5831<\/p>\n<ul>\n<li>Team Server IP\/\u30dd\u30fc\u30c8: <span style=\"font-family: 'courier new', courier, monospace;\">23.95.44[.]80:80<\/span><\/li>\n<li>AS\u756a\u53f7(ASN): <span style=\"font-family: 'courier new', courier, monospace;\">AS-36352<\/span><\/li>\n<li>\u4f7f\u308f\u308c\u305f\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb: \u65b0\u305f\u306a\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/li>\n<li>Beacon\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306eSHA-256 \u30cf\u30c3\u30b7\u30e5: <span style=\"font-family: 'courier new', courier, monospace;\">22631d171fd7d531c0bc083a5335a910a95257e3194b50d8b471740d3a91fe34<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_128966\" aria-describedby=\"caption-attachment-128966\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-128966 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/06\/word-image-128961-1.png\" alt=\"\u753b\u50cf1\u306f\u3001\u65b0\u305f\u306aMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u753b\u9762\u5de6\u306e\u30b3\u30fc\u30c9\u884c\u306f\u3001GET\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u753b\u9762\u53f3\u306e\u30b3\u30fc\u30c9\u884c\u306f\u3001POST\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u3053\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306b\u306fBeacon\u306e\u60c5\u5831\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"512\" \/><figcaption id=\"caption-attachment-128966\" class=\"wp-caption-text\">\u56f31. \u65b0\u305f\u306aMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/figcaption><\/figure>\n<h3><a id=\"post-128982-_ubqxcmjfnwf8\"><\/a>\u4e8b\u4f8b2: \u65e2\u77e5\u306e\u826f\u6027\u30b5\u30fc\u30d3\u30b9\u306e\u80cc\u5f8c\u306b\u96a0\u308c\u308b<\/h3>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d9\u30f3\u30c0\u30fc\u306f\u3001HTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u8981\u7d20\u3092\u4f7f\u3044\u3001\u3042\u308b\u30d5\u30ed\u30fc\u304c\u7591\u308f\u3057\u3044\u3001\u3042\u308b\u3044\u306f\u60aa\u6027\u3067\u3042\u308b\u3068\u5224\u65ad\u3057\u307e\u3059\u3002\u3042\u308bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306eHost\u30d8\u30c3\u30c0\u30fc\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u3001\u3088\u304f\u77e5\u3089\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306e\u4e0a\u4f4d\u30ea\u30b9\u30c8\u306b\u5165\u3063\u3066\u3044\u308b\u3082\u306e\u3060\u3063\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u5834\u5408\u3001\u305d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u826f\u6027\u3068\u8b58\u5225\u3055\u308c\u308b\u304b\u3082\u3057\u308c\u305a\u3001\u60aa\u6027\u5224\u5b9a\u57fa\u6e96\u306e\u4e00\u90e8\u304c\u5bfe\u8c61\u304b\u3089\u5916\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u3048\u307e\u3059\u3002\u540c\u69d8\u306b\u3001\u5b9b\u5148\u30b5\u30fc\u30d0\u30fc\u304c\u8457\u540d\u30af\u30e9\u30a6\u30c9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u3082\u306e\u3067\u3042\u308c\u3070\u3001\u305d\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u3066\u826f\u6027\u3068\u307f\u306a\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u8005\u306f\u3053\u3046\u3057\u305f\u691c\u51fa\u57fa\u6e96\u3092\u3046\u307e\u304f\u4f7f\u3044\u3001\u3088\u304f\u77e5\u3089\u308c\u305f\u826f\u6027\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u307e\u306d\u3066HTTP\u30ea\u30af\u30a8\u30b9\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u8b58\u5225\u3092\u56de\u907f\u3057\u3066\u3044\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u8ca9\u30b5\u30a4\u30c8\u3084\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3001\u30e1\u30fc\u30eb \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306a\u3069\u306e\u3088\u304f\u77e5\u3089\u308c\u305f\u826f\u6027Web\u30b5\u30a4\u30c8\u3092\u6a21\u5023\u3057\u305fMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u65e5\u5e38\u7684\u306b\u6355\u6349\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4><a id=\"post-128982-_yapjp5o8ggpy\"><\/a>\u4e8b\u4f8b2.1: \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u691c\u51fa\u56de\u907f\u3092\u72d9\u3063\u305f\u826f\u6027\/\u8457\u540d\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u6301\u3064\u30db\u30b9\u30c8<\/h4>\n<p>\u507d\u9020\u3057\u305fHost\u30d8\u30c3\u30c0\u30fc\u3092\u4f7f\u3044\u3001\u4e00\u898b\u826f\u6027\u306b\u898b\u3048\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u751f\u6210\u3057\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u691c\u67fb\u3092\u56de\u907f\u3059\u308b\u653b\u6483\u8005\u306f\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u305d\u3046\u3057\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3082\u3001\u5c02\u9580\u5bb6\u304c\u691c\u67fb\u3059\u308c\u3070\u60aa\u6027\u3067\u3042\u308b\u3053\u3068\u306f\u8b58\u5225\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u56f32\u306f\u3042\u308bBeacon\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002\u4fee\u6b63\u3055\u308c\u305fMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3044\u3001GitHub\u306b\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4eba\u7269\u306f\u3001\u60aa\u6027\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3001\u3042\u308b\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u9ad8\u3044Web\u30b5\u30a4\u30c8\u306e\u826f\u6027\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u507d\u88c5\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3067\u3059\u304c\u3001\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u306eASN\u30ec\u30b3\u30fc\u30c9\u304b\u3089\u306f\u3053\u308c\u304c\u7570\u306a\u308b\u6240\u6709\u8005\u306e\u3082\u306e\u3068\u308f\u304b\u308a\u3001\u507d\u88c5\u3092\u88cf\u4ed8\u3051\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5><a id=\"post-128982-_8flxaaew0un9\"><\/a>Beacon\u306e\u60c5\u5831<\/h5>\n<ul>\n<li>Team Server IP\/\u30dd\u30fc\u30c8: <span style=\"font-family: 'courier new', courier, monospace;\">159.65.219[.]189:443<\/span><\/li>\n<li>AS\u756a\u53f7(ASN): <span style=\"font-family: 'courier new', courier, monospace;\">AS-14061<\/span><\/li>\n<li>\u4f7f\u308f\u308c\u305f\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb: GitHub\u306b\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u4fee\u6b63\u3055\u308c\u305f\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/li>\n<li>Beacon\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306eSHA-256 \u30cf\u30c3\u30b7\u30e5: <span style=\"font-family: 'courier new', courier, monospace;\">3528313aeff15375a2bce7b7587b188dcf1befb1e50c9db65d46e81a77a4a096<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_128968\" aria-describedby=\"caption-attachment-128968\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-128968 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/06\/word-image-128961-2.png\" alt=\"\u753b\u50cf2\u306f\u3001\u507d\u9020\u3055\u308c\u305fHTTP Host\u30d8\u30c3\u30c0\u30fc\u3092\u6301\u3064\u3001Malleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u753b\u9762\u5de6\u306e\u30b3\u30fc\u30c9\u884c\u306f\u3001GET\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u753b\u9762\u53f3\u306e\u30b3\u30fc\u30c9\u884c\u306f\u3001POST\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u3053\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306b\u306fBeacon\u306e\u60c5\u5831\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u306eASN\u30ec\u30b3\u30fc\u30c9\u304c\u5225\u306e\u6240\u6709\u8005\u306e\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3053\u308c\u304c\u6539\u3056\u3093\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\" width=\"900\" height=\"446\" \/><figcaption id=\"caption-attachment-128968\" class=\"wp-caption-text\">\u56f32. \u507d\u9020\u3055\u308c\u305fHTTP Host\u30d8\u30c3\u30c0\u30fc\u3092\u6301\u3064Malleable C2 \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/figcaption><\/figure>\n<h3><a id=\"post-128982-_m60rdxlp15wo\"><\/a>\u4e8b\u4f8b2.2: \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u691c\u51fa\u56de\u907f\u3092\u72d9\u3063\u305f\u30d1\u30d6\u30ea\u30c3\u30af \u30af\u30e9\u30a6\u30c9\u304b\u3089\u4f7f\u7528\u3055\u308c\u308b\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9<\/h3>\n<p>\u3053\u306e\u4e8b\u4f8b\u304b\u3089\u306f\u3001\u8105\u5a01\u3084\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0 \u30a2\u30af\u30bf\u30fc\u304c\u3001\u30d1\u30d6\u30ea\u30c3\u30af \u30af\u30e9\u30a6\u30c9 \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u3069\u306e\u3088\u3046\u306bC2\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u5229\u7528\u3057\u3066\u3044\u308b\u304b\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u81ea\u4f53\u306f\u826f\u6027\u306a\u306e\u3067\u3001VirusTotal\u3084URL\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u88fd\u54c1\u3068\u3044\u3063\u305fIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3 \u30b5\u30fc\u30d3\u30b9\u3067\u3053\u3046\u3057\u305f\u4e8b\u4f8b\u3092\u691c\u51fa\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3 \u30c6\u30b9\u30bf\u30fc\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30b5\u30fc\u30d3\u30b9\u306e\u4eba\u6c17\u3092\u3075\u307e\u3048\u3001\u305d\u308c\u3092\u4e0a\u624b\u306b\u5229\u7528\u3057\u307e\u3059\u3002\u4e00\u898b\u826f\u6027\u306b\u898b\u3048\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u96a0\u3057\u3001\u60aa\u8cea\u306a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u691c\u51fa\u3092\u59a8\u3052\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">35.224.140[.]15:443<\/span>\u4e0a\u306eTeam Server\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u3053\u306eTeam Server\u306b\u306fCobalt Strike Beacon\u304c\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u3066\u3001SHA-256\u30cf\u30c3\u30b7\u30e5\u306f<span style=\"font-family: 'courier new', courier, monospace;\">3ac4be4291bddaaa39a815cc05ece6d611cd69a1604fec8dec0f7e5451659cfa<\/span>\u3067\u3059\u3002\u3053\u306eTeam Server\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u3042\u308b\u8457\u540d\u30af\u30e9\u30a6\u30c9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u3082\u306e\u3067\u3057\u305f\u3002<\/p>\n<p>\u56f33\u306f\u3001Team Server\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u30db\u30b9\u30c8\u3057\u3066\u3044\u305fBeacon\u30d0\u30a4\u30ca\u30ea\u30fc\u304b\u3089\u518d\u4f5c\u6210\u3055\u308c\u305fMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u3053\u306eTeam Server\u306f\u8457\u540d\u30af\u30e9\u30a6\u30c9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u4e0a\u3067\u7a3c\u50cd\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h5><a id=\"post-128982-_3dummlx52glu\"><\/a>Beacon\u306e\u60c5\u5831<\/h5>\n<ul>\n<li>Team Server IP\/\u30dd\u30fc\u30c8: <span style=\"font-family: 'courier new', courier, monospace;\">35.224.140[.]15:443<\/span><\/li>\n<li>AS\u756a\u53f7 (ASN): <span style=\"font-family: 'courier new', courier, monospace;\">AS-396982<\/span><\/li>\n<li>\u4f7f\u308f\u308c\u3066\u3044\u305f\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb: \u30c7\u30d5\u30a9\u30eb\u30c8 \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/li>\n<li>Beacon\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306eSHA-256 \u30cf\u30c3\u30b7\u30e5: <span style=\"font-family: 'courier new', courier, monospace;\">3ac4be4291bddaaa39a815cc05ece6d611cd69a1604fec8dec0f7e5451659cfa<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_128970\" aria-describedby=\"caption-attachment-128970\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-128970 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2023\/06\/word-image-128961-3.png\" alt=\"\u753b\u50cf3\u306f\u3001\u65e2\u77e5\u306e\u30d1\u30d6\u30ea\u30c3\u30af \u30af\u30e9\u30a6\u30c9 \u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3057\u305fMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u753b\u9762\u5de6\u306e\u30b3\u30fc\u30c9\u884c\u306f\u3001GET\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u753b\u9762\u53f3\u306e\u30b3\u30fc\u30c9\u884c\u306f\u3001POST\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u3053\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306b\u306fBeacon\u306e\u60c5\u5831\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"388\" \/><figcaption id=\"caption-attachment-128970\" class=\"wp-caption-text\">\u56f33. \u65e2\u77e5\u306e\u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3057\u305fMalleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/figcaption><\/figure>\n<h2><a id=\"post-128982-_2an8ryq91inv\"><\/a><strong>\u7d50\u8ad6<\/strong><\/h2>\n<p>Cobalt Strike\u306f\u975e\u5e38\u306b\u6c4e\u7528\u6027\u306e\u9ad8\u3044\u30c4\u30fc\u30eb\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d9\u30f3\u30c0\u30fc\u306e\u591a\u304f\u304c\u305d\u306eC2\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6b63\u78ba\u306a\u691c\u51fa\u306b\u82e6\u5fc3\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001Cobalt Strike\u306f\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u6210\u529f\u78ba\u7387\u3092\u9ad8\u3081\u305f\u3044\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u306f\u7406\u60f3\u7684\u306a\u9078\u629e\u80a2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f\u3001Beacon\u30d0\u30a4\u30ca\u30ea\u30fc\u3092\u30db\u30b9\u30c8\u3057\u3066\u3044\u308b\u65b0\u3057\u3044Team Server\u3092\u7d99\u7d9a\u7684\u306b\u767a\u898b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8105\u5a01\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u306f\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3067\u306eCobalt Strike\u60aa\u7528\u306b\u5bfe\u3057\u3001\u52b9\u679c\u3092\u3042\u3052\u3066\u3044\u307e\u3059\u3002\u30b9\u30ad\u30e3\u30f3\u3068\u5b66\u7fd2\u306e\u30b5\u30a4\u30af\u30eb\u3092\u56de\u3057\u7d9a\u3051\u308b\u3053\u3068\u306f\u3001\u8b66\u6212\u3092\u6020\u3089\u305a\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u3078\u306e\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u9632\u5fa1\u3092\u63d0\u4f9b\u3059\u308b\u4e0a\u3067\u5f79\u306b\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e\u88fd\u54c1\u3092\u901a\u3058\u3066\u3001\u4e0a\u8a18\u306e\u8105\u5a01\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/docs.paloaltonetworks.com\/pan-os\/10-2\/pan-os-admin\/threat-prevention\/about-threat-prevention\/advanced-threat-prevention\" target=\"_blank\" rel=\"noopener\">Advanced Threat Prevention<\/a>\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6709\u52b9\u306b\u3057\u305f<a href=\"https:\/\/docs.paloaltonetworks.com\/ngfw\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb(NGFW)<\/a>\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u4ee5\u5916\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u3066\u3044\u308bCobalt Strike\u306eHTTP\u306b\u3088\u308bC2\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8b58\u5225\u30fb\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002Advanced Threat Prevention\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u30fc86445\u306886446\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8 \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u5185\u306eBase64\u306e\u30e1\u30bf\u30c7\u30fc\u30bf \u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067HTTP C2\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8b58\u5225\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>NGFW\u7528\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3<a href=\"https:\/\/www.paloaltonetworks.jp\/products\/secure-the-network\/wildfire\">WildFire<\/a>\u3068<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XDR\">Cortex XDR<\/a>\u306fCobalt Strike Beacon\u3092\u8b58\u5225\u30fb\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<li>Cortex XSOAR\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u30d1\u30c3\u30af\u3068\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u306f\u7de9\u548c\u5bfe\u7b56\u30d7\u30ed\u30bb\u30b9\u3092\u81ea\u52d5\u5316\u3057\u307e\u3059\u3002<\/li>\n<li>Cortex XDR\u306f\u95a2\u9023\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3092\u5831\u544a\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/docs.paloaltonetworks.com\/advanced-url-filtering\/administration\">Advanced URL Filtering<\/a>\u306b\u306f\u3001\u60aa\u610f\u306e\u3042\u308bURL\u3068IP\u30a2\u30c9\u30ec\u30b9\u3092\u8ffd\u52a0\u6e08\u307f\u3067\u3059\u3002<\/li>\n<\/ol>\n<h2><a id=\"post-128982-_v8176g40kstn\"><\/a><strong>IoC (\u4fb5\u5bb3\u6307\u6a19)<\/strong><\/h2>\n<h3><a id=\"post-128982-_u7f7n141ag7e\"><\/a>Cobalt Strike Beacon \u30b5\u30f3\u30d7\u30eb<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">22631d171fd7d531c0bc083a5335a910a95257e3194b50d8b471740d3a91fe34<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3528313aeff15375a2bce7b7587b188dcf1befb1e50c9db65d46e81a77a4a096<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3ac4be4291bddaaa39a815cc05ece6d611cd69a1604fec8dec0f7e5451659cfa<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-128982-_t06djbjund6r\"><\/a>Cobalt Strike Team Server IP\u30a2\u30c9\u30ec\u30b9<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">23.95.44[.]80:80<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">159.65.219[.]189:443<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">35.224.140[.]15:443<\/span><\/li>\n<\/ul>\n<h2><a id=\"post-128982-_570cbe1pdhwx\"><\/a><strong>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/strong><\/h2>\n<ul>\n<li><a href=\"https:\/\/www.cobaltstrike.com\/training\">Cobalt Strike Training<\/a> \u2013 Cobalt Strike<\/li>\n<li><a href=\"https:\/\/www.cobaltstrike.com\/help-malleable-c2\">Cobalt Strike Malleable C2 Profile<\/a> \u2013 Cobalt Strike<\/li>\n<li><a href=\"https:\/\/blog.nviso.eu\/2021\/10\/21\/cobalt-strike-using-known-private-keys-to-decrypt-traffic-part-1\/\">Cobalt Strike: Using Known Private Keys To Decrypt Traffic \u2013 Part 1<\/a> \u2013 NVISO Labs Blog<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/cobalt-strike-malleable-c2-profile\/\">Cobalt Strike\u89e3\u6790&amp;\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb: Malleable C2\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3067Cobalt Strike\u691c\u51fa\u304c\u96e3\u3057\u304f\u306a\u308b\u7406\u7531<\/a> \u2013 \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 Unit 42<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/cobalt-strike-metadata-encoding-decoding\/\">Cobalt Strike\u89e3\u6790&amp;\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb: Cobalt Strike\u306b\u3088\u308b\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u30a8\u30f3\u30b3\u30fc\u30c9\u3068\u30c7\u30b3\u30fc\u30c9<br \/>\n<\/a> \u2013 \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 Unit 42<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/cobalt-strike-metadata-encryption-decryption\/\">Cobalt Strike\u89e3\u6790&amp;\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb: Cobalt Strike\u306b\u3088\u308b\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u6697\u53f7\u5316\u3068\u5fa9\u53f7<\/a> \u2013 \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 Unit 42<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/cobalt-strike-team-server\/\">Cobalt Strike\u89e3\u6790&amp;\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb: \u91ce\u751f(in the wild)\u306eCobalt Strike Beacon Team Server\u306e\u8b58\u5225<\/a> \u2013 \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 Unit 42<\/li>\n<li><a href=\"https:\/\/live.paloaltonetworks.com\/t5\/blogs\/cobalt-strike-attack-detection-amp-defense-technology-overview\/ba-p\/533753\">Cobalt Strike Attack Detection &amp; Defense Technology Overview (Cobalt Strike\u306e\u653b\u6483\u691c\u51fa\u3068\u9632\u5fa1\u6280\u8853\u306e\u6982\u8981)<\/a> \u2013 \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 Unit 42<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b2\u3064\u306eCobalt Strike Team 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