{"id":132756,"date":"2024-02-26T22:10:43","date_gmt":"2024-02-27T06:10:43","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=132756"},"modified":"2024-06-13T22:33:03","modified_gmt":"2024-06-14T05:33:03","slug":"dll-hijacking-techniques","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/dll-hijacking-techniques\/","title":{"rendered":"\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306b\u3072\u305d\u3080\u4fb5\u5165\u8005: DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u63a2\u7a76"},"content":{"rendered":"<h2><a id=\"post-132756-_qe3g68pal55v\"><\/a>\u6982\u8981<\/h2>\n<p>\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30ea\u30f3\u30af \u30e9\u30a4\u30d6\u30e9\u30ea\u30fc (DLL) \u306e\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306f\u6700\u3082\u53e4\u3044\u624b\u6cd5\u306e 1 \u3064\u3067\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3068\u653b\u6483\u7684\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u306e\u4e21\u65b9\u304c\u4eca\u3082\u4f7f\u3044\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u304c\u3088\u304f\u4f7f\u308f\u308c\u308b\u7406\u7531\u306f\u3001\u3053\u306e\u624b\u6cd5\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u691c\u51fa\u56de\u907f\u306b\u975e\u5e38\u306b\u6709\u52b9\u306a\u3001\u30b9\u30c6\u30eb\u30b9\u6027\u306e\u9ad8\u3044\u30de\u30eb\u30a6\u30a7\u30a2\u5b9f\u884c\u65b9\u6cd5\u3092\u5f97\u3089\u308c\u308b\u305f\u3081\u3067\u3059\u3002DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u6839\u672c\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3092\u3060\u307e\u3057\u3001\u6b63\u898f DLL \u306e\u4ee3\u308f\u308a\u306b\u60aa\u610f\u306e\u3042\u308b\u30d0\u30a4\u30ca\u30ea\u30fc\u3092\u5b9f\u884c\u3055\u305b\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u306f\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c\u30de\u30eb\u30a6\u30a7\u30a2\u653b\u6483\u306b\u304a\u3044\u3066 DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u3069\u306e\u3088\u3046\u306b\u5229\u7528\u3059\u308b\u304b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u672c\u7a3f\u306f\u3001\u4ee5\u4e0b\u306e\u5185\u5bb9\u306e\u63d0\u4f9b\u306b\u3088\u308a\u3001\u8aad\u8005\u306e\u7686\u3055\u3093\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<ul>\n<li>DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u7406\u89e3\u306b\u5fc5\u8981\u306a\u80cc\u666f\u7406\u8ad6<\/li>\n<li>\u540c\u624b\u6cd5\u3092\u3081\u3050\u308b\u6982\u5ff5\u306e\u308f\u304b\u308a\u3084\u3059\u3044\u89e3\u8aac<\/li>\n<li>\u91ce\u751f\u3067\u3088\u304f\u78ba\u8a8d\u3055\u308c\u3066\u3044\u308b\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3<\/li>\n<li>\u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483 (APT) \u30b0\u30eb\u30fc\u30d7\u3068\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306e\u4e21\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304b\u3089\u5f97\u305f\u5b9f\u969b\u306e\u30b5\u30f3\u30d7\u30eb<\/li>\n<\/ul>\n<p>\u672c\u7a3f\u3067\u306f\u3001DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u3088\u308a\u9069\u5207\u306b\u691c\u51fa\u3059\u308b\u65b9\u6cd5\u306b\u95a2\u3059\u308b\u30a2\u30a4\u30c7\u30a2\u3082\u63d0\u4f9b\u3057\u3001\u653b\u6483\u30ea\u30b9\u30af\u306e\u7de9\u548c\u65b9\u6cd5\u306b\u95a2\u3059\u308b\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-wildfire\" target=\"_blank\" rel=\"noopener\">Advanced WildFire<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/dns-security\" target=\"_blank\" rel=\"noopener\">DNS Security<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">Advanced URL Filtering<\/a> \u3068<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb (NGFW) <\/a> \u306b\u3088\u308a\u3001\u672c\u7a3f\u3067\u53d6\u308a\u4e0a\u3052\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u3088\u308a\u9069\u5207\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XDR\" target=\"_blank\" rel=\"noopener\">Cortex XDR<\/a> \u3068 <a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XSIAM\" target=\"_blank\" rel=\"noopener\">XSIAM<\/a> \u306f\u65e2\u77e5\u304a\u3088\u3073\u65b0\u898f\u306e DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u653b\u6483\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/cloud\" target=\"_blank\" rel=\"noopener\">Prisma Cloud<\/a> Defender \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u624b\u6cd5\u3092\u4f7f\u7528\u3059\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u7279\u5b9a\u3092\u652f\u63f4\u3067\u304d\u307e\u3059\u3002\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u306e\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001infojapan@paloaltonetworks.com \u307e\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3066\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044 (\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u69d8\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<h2><a id=\"post-132756-_uf0vl6vqj8ep\"><\/a>DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3068\u306f<\/h2>\n<p><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/troubleshoot\/windows-client\/deployment\/dynamic-link-library#more-information\" target=\"_blank\" rel=\"noopener\">DLL \u30d5\u30a1\u30a4\u30eb<\/a>\u306f\u3001Microsoft Windows \u5185\u3067\u3001\u307b\u304b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u304c\u60f3\u5b9a\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u6b63\u898f\u306e Windows \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9a19\u3057\u3001\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u30ed\u30fc\u30c9\u3055\u305b\u3066\u5b9f\u884c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3001<a href=\"https:\/\/attack.mitre.org\/tactics\/TA0005\/\" target=\"_blank\" rel=\"noopener\">\u9632\u5fa1\u306e\u56de\u907f<\/a>\u3001<a href=\"https:\/\/attack.mitre.org\/tactics\/TA0004\/\" target=\"_blank\" rel=\"noopener\">\u7279\u6a29\u306e\u6607\u683c<\/a>\u3001<a href=\"https:\/\/attack.mitre.org\/tactics\/TA0003\/\" target=\"_blank\" rel=\"noopener\">\u6c38\u7d9a\u6027\u306e\u78ba\u4fdd<\/a>\u3068\u3044\u3063\u305f\u3055\u307e\u3056\u307e\u306a\u76ee\u7684\u3067 DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306f\u3053\u3053\u6570\u5e74\u9032\u5316\u3092\u7d9a\u3051\u3001\u3055\u307e\u3056\u307e\u306a\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u767b\u5834\u3057\u3066\u304d\u307e\u3057\u305f\u3002DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u307e\u305a Microsoft Windows \u306e\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3042\u308b DLL \u306e\u691c\u7d22\u9806\u5e8f\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-132756-_rmd8mn2zwmx1\"><\/a>Windows \u306e DLL \u691c\u7d22\u9806\u5e8f<\/h3>\n<p>DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306f\u3001Windows \u304c DLL \u30d5\u30a1\u30a4\u30eb\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3055\u3044\u306e <a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/win32\/dlls\/dynamic-link-library-search-order\" target=\"_blank\" rel=\"noopener\">DLL \u306e\u691c\u7d22\u9806\u5e8f<\/a>\u306b\u4f9d\u5b58\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002\u691c\u7d22\u9806\u5e8f\u3068\u3044\u3046\u306e\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c DLL \u3092\u30ed\u30fc\u30c9\u3059\u308b\u3055\u3044\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u5834\u6240\u306e\u30b7\u30fc\u30b1\u30f3\u30b9 (\u4e26\u3073) \u306e\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u306f\u3001\u7279\u5225\u306a\u691c\u7d22\u5834\u6240\u3068\u6a19\u6e96\u7684\u306a\u691c\u7d22\u5834\u6240\u3068\u3044\u3046 2 \u3064\u306e\u90e8\u5206\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002\u56f3 1 \u304b\u3089\u3001\u3053\u308c\u3089 2 \u3064\u306e\u90e8\u5206\u3067\u69cb\u6210\u3055\u308c\u308b\u691c\u7d22\u9806\u5e8f\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132683\" aria-describedby=\"caption-attachment-132683\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132683 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-87314-132679-1.png\" alt=\"\u753b\u50cf 1 \u306f\u3001Windows \u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30ea\u30f3\u30af \u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306e\u691c\u7d22\u9806\u5e8f\u3092\u793a\u3059\u56f3\u3067\u3059\u3002\u7279\u5225\u306a\u691c\u7d22\u5834\u6240\u306f\u3001DLL \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3001API \u30bb\u30c3\u30c8\u3001SxS \u30de\u30cb\u30d5\u30a7\u30b9\u30c8 \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3001\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30ea\u30b9\u30c8\u3001\u65e2\u77e5\u306e DLL\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u4f9d\u5b58\u95a2\u4fc2\u30b0\u30e9\u30d5\u3067\u3059\u3002\u6a19\u6e96\u306e\u691c\u7d22\u5834\u6240\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3001System32\u3001System\u3001Windows\u3001\u73fe\u5728\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3001PATH \u5909\u6570\u306b\u30ea\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3067\u3059\u3002 \" width=\"700\" height=\"772\" \/><figcaption id=\"caption-attachment-132683\" class=\"wp-caption-text\">\u56f3 1. Windows DLL \u691c\u7d22\u9806\u5e8f\u306e\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8<\/figcaption><\/figure>\n<h4><a id=\"post-132756-_dnetm66q7k1t\"><\/a>\u7279\u5225\u306a\u691c\u7d22\u5834\u6240<\/h4>\n<p>\u7279\u5225\u306a\u691c\u7d22\u5834\u6240\u306f\u6a19\u6e96\u306e\u691c\u7d22\u5834\u6240\u3088\u308a\u3082\u5148\u306b\u8003\u616e\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u7279\u5225\u306a\u691c\u7d22\u5834\u6240\u306b\u306f\u3001DLL \u3092\u30ed\u30fc\u30c9\u3059\u308b\u3055\u3044\u306b\u3069\u306e\u5834\u6240\u3092\u691c\u7d22\u30fb\u4f7f\u7528\u306e\u5bfe\u8c61\u3068\u3059\u308b\u304b\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b\u3001\u3055\u307e\u3056\u307e\u306a\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5834\u6240\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u6210\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/win32\/dlls\/dynamic-link-library-redirection\" target=\"_blank\" rel=\"noopener\">DLL \u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/a>\u306b\u3088\u308a\u3001\u305d\u306e DLL \u30ed\u30fc\u30c0\u30fc\u304c\u3069\u306e DLL \u3092\u30ed\u30fc\u30c9\u3059\u308b\u304b\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/win32\/apiindex\/windows-apisets\" target=\"_blank\" rel=\"noopener\">API \u30bb\u30c3\u30c8<\/a>\u306b\u3088\u308a\u3001Windows \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3084\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u306e\u53ef\u7528\u6027\u306b\u57fa\u3065\u304d\u3001\u95a2\u6570\u547c\u3073\u51fa\u3057\u3092\u9069\u5207\u306a DLL \u306b\u52d5\u7684\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>SxS <a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/win32\/sbscs\/manifests\" target=\"_blank\" rel=\"noopener\">\u30de\u30cb\u30d5\u30a7\u30b9\u30c8<\/a>\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066 DLL \u306e\u8aad\u307f\u8fbc\u307f\u3092\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u307e\u3059\u3002<\/li>\n<li>\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30ea\u30b9\u30c8\u306f\u3001DLL \u304c\u3059\u3067\u306b\u30e1\u30e2\u30ea\u30fc\u306b\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<li>\u65e2\u77e5\u306e DLL \u306f\u3001DLL \u540d\u3068\u30d1\u30b9\u304c Windows \u306e\u65e2\u77e5\u306e DLL \u30ea\u30b9\u30c8\u3068\u4e00\u81f4\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u3053\u306e\u30ea\u30b9\u30c8\u306f <span style=\"font-family: 'courier new', courier, monospace;\">HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\KnownDLLs<\/span> \u306b\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u30d1\u30c3\u30b1\u30fc\u30b8 \u30a2\u30d7\u30ea\u306e\u4e00\u90e8\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u305f\u5834\u5408\u306f\u30d7\u30ed\u30bb\u30b9\u306e<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/apps\/package-and-deploy\/#advantages-and-disadvantages-of-packaging-your-app\" target=\"_blank\" rel=\"noopener\">\u30d1\u30c3\u30b1\u30fc\u30b8<\/a>\u4f9d\u5b58\u95a2\u4fc2\u30b0\u30e9\u30d5\u3092\u4f7f\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n<h4><a id=\"post-132756-_iz7hizgjj8wn\"><\/a>\u6a19\u6e96\u306e\u691c\u7d22\u5834\u6240<\/h4>\n<p>\u6a19\u6e96\u306e\u691c\u7d22\u5834\u6240\u306f DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u624b\u6cd5\u3068\u6700\u3082\u5f37\u304f\u95a2\u9023\u3059\u308b\u5834\u6240\u3067\u3001\u901a\u5e38\u3053\u308c\u3089\u306f\u653b\u6483\u8005\u306b\u3088\u3063\u3066\u4f7f\u308f\u308c\u307e\u3059\u3002Windows \u306f\u6b21\u306e\u9806\u5e8f\u3067\u76ee\u7684\u306e DLL \u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc (\u305d\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc)<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">C:\\Windows\\System32<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">C:\\Windows\\System<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">C:\\Windows<\/span><\/li>\n<li>\u73fe\u5728\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc (\u305d\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc)<\/li>\n<li>PATH \u74b0\u5883\u5909\u6570\u306b\u30ea\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/li>\n<\/ol>\n<p>\u3053\u306e DLL \u691c\u7d22\u9806\u5e8f\u5168\u4f53\u3092\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u306f\u6b63\u5f53\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u30ed\u30fc\u30c9\u3057\u3001\u30b9\u30c6\u30eb\u30b9\u7684\u306a\u5b9f\u884c\u3092\u5b9f\u73fe\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5f97\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3042\u305f\u3063\u3066\u653b\u6483\u8005\u306f\u3001\u6b63\u898f DLL \u306b\u5148\u7acb\u3061\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u30ed\u30fc\u30c9\u3059\u308b\u3088\u3046\u306b\u3057\u3080\u3051\u305f\u308a\u3001DLL \u3092\u7f6e\u304d\u63db\u3048\u305f\u308a\u3001\u9806\u5e8f (\u3068\u304f\u306b PATH \u74b0\u5883\u5909\u6570) \u3092\u5909\u66f4\u3057\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u5229\u7528\u306f\u8fd1\u5e74\u62e1\u5927\u3059\u308b\u50be\u5411\u306b\u3042\u308a\u3001\u305d\u306e\u4eba\u6c17\u306f\u9ad8\u307e\u308a\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u7406\u7531\u306f\u3001\u6b63\u898f\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u8106\u5f31\u6027\u767a\u898b\u3084\u60aa\u7528\u304c\u3068\u304f\u306b\u96e3\u3057\u3044\u3068\u306f\u307f\u306a\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u6b63\u898f\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u5185\u306b\u60aa\u610f\u306e\u3042\u308b\u507d\u88c5 DLL \u3092\u30ed\u30fc\u30c9\u3059\u308b\u653b\u6483\u8005\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u306f\u3001\u4f9d\u7136\u3068\u3057\u3066\u96e3\u3057\u3044\u4ed5\u4e8b\u3067\u3059\u3002<\/p>\n<h2><a id=\"post-132756-_wd51wywrrg8f\"><\/a>\u4e00\u822c\u7684\u306a DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u5b9f\u88c5<\/h2>\n<p>DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3068\u3044\u3046\u6982\u5ff5\u306f\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u9032\u5316\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u305d\u308c\u306b\u3064\u308c\u3066\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3089\u3082\u9032\u5316\u3057\u3066\u304a\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067 DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u653b\u6483\u3092\u3057\u304b\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u79c1\u305f\u3061\u304c\u3053\u308c\u307e\u3067\u306b\u78ba\u8a8d\u3057\u3066\u304d\u305f\u6700\u3082\u4e00\u822c\u7684\u306a\u624b\u6cd5\u306f\u3001DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3001DLL \u691c\u7d22\u9806\u5e8f\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3001Phantom DLL \u30ed\u30fc\u30c7\u30a3\u30f3\u30b0 \u306e 3 \u3064\u3067\u3059\u3002\u306a\u304b\u3067\u3082\u3068\u308a\u308f\u3051\u3088\u304f\u898b\u3089\u308c\u308b\u306e\u304c DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u3059\u3002<\/p>\n<h3><a id=\"post-132756-_qjmv0iyb9tua\"><\/a>DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<\/h3>\n<p>\u3053\u306e\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u624b\u6cd5\u306b\u304a\u3044\u3066\u3001\u653b\u6483\u8005\u306f DLL \u30d5\u30a1\u30a4\u30eb\u306e\u5b8c\u5168\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d1\u30b9\u3092\u6307\u5b9a\u305b\u305a\u3001\u3042\u308b\u7279\u5b9a\u306e\u540d\u524d\u304c\u3064\u3051\u3089\u308c\u305f DLL \u3092\u30ed\u30fc\u30c9\u3059\u308b\u6b63\u898f\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306f\u3001\u6b63\u898f\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u304c\u672c\u6765\u30ed\u30fc\u30c9\u3059\u308b\u306f\u305a\u306e\u6b63\u898f DLL \u3068\u540c\u4e00\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u3064\u3051\u3089\u308c\u305f\u60aa\u610f\u306e\u3042\u308b DLL \u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3001\u81ea\u3089\u304c\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u3082\u3064\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u5185\u306b\u3001\u6b63\u898f\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3068\u3001\u540d\u524d\u3092\u5909\u66f4\u3055\u308c\u305f\u60aa\u610f\u306e\u3042\u308b DLL \u306e\u4e21\u65b9\u3092\u30c9\u30ed\u30c3\u30d7\u3057\u307e\u3059\u3002<\/p>\n<p>DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u304a\u3044\u3066\u306f\u3001\u300c\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u3059\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306f Windows \u304c\u6700\u521d\u306b\u691c\u7d22\u3059\u308b\u5834\u6240\u306e 1 \u3064\u3067\u3042\u308b\u300d\u3068\u3044\u3046\u4e8b\u5b9f\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f\u6700\u8fd1\u306e Unit 42 \u306e\u30d6\u30ed\u30b0\u3067\u3001\u3053\u306e\u624b\u6cd5\u3092\u4f7f\u3046\u653b\u6483\u8005\u3089\u306e\u4e8b\u4f8b\u3092\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002\u305f\u3068\u3048\u3070 APT \u30b0\u30eb\u30fc\u30d7 <a href=\"https:\/\/unit42.paloaltonetworks.jp\/cloaked-ursa-phishing\/\" target=\"_blank\" rel=\"noopener\">Cloaked Ursa<\/a> (\u5225\u540d APT29) \u306b\u3088\u308b\u4e8b\u4f8b\u3084\u3001\u79c1\u305f\u3061\u306e<a href=\"https:\/\/unit42.paloaltonetworks.jp\/unsigned-dlls\/#:~:text=DLL%E6%A4%9C%E7%B4%A2%E9%A0%86%E3%83%8F%E3%82%A4%E3%82%B8%E3%83%A3%E3%83%83%E3%82%AF:%20%E6%AD%A3%E8%A6%8F%E3%83%97%E3%83%AD%E3%82%BB%E3%82%B9%E3%81%AE%E6%A4%9C%E7%B4%A2%E9%A0%86%E5%BA%8F%E3%82%92%E6%82%AA%E7%94%A8%E3%81%97%E3%81%A6%E6%82%AA%E8%B3%AADLL%E3%82%92%E3%83%AD%E3%83%BC%E3%83%89%E3%81%95%E3%81%9B%E3%82%8B%E6%89%8B%E6%B3%95%E3%81%A7%E3%81%99%E3%80%82%E3%81%93%E3%81%AE%E6%89%8B%E6%B3%95%E3%81%A7%E3%81%AF%E3%80%81%E6%97%A2%E7%9F%A5%E3%81%AEDLL%E3%81%A8%E5%90%8C%E3%81%98%E5%90%8D%E5%89%8D%E3%81%AE%E3%81%A4%E3%81%91%E3%82%89%E3%82%8C%E3%81%9F%E6%82%AA%E8%B3%AA%E3%83%9A%E3%82%A4%E3%83%AD%E3%83%BC%E3%83%89%E3%82%92%E8%89%AF%E6%80%A7%E3%82%A2%E3%83%97%E3%83%AA%E3%82%B1%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3%E3%81%8C%E3%83%AD%E3%83%BC%E3%83%89%E3%81%97%E3%81%BE%E3%81%99%E3%80%82\" target=\"_blank\" rel=\"noopener\">\u30b9\u30ec\u30c3\u30c8 \u30cf\u30f3\u30c6\u30a3\u30f3\u30b0 \u30b7\u30ea\u30fc\u30ba<\/a>\u306a\u3069\u3082\u305d\u3046\u3057\u305f\u8abf\u67fb\u306e\u4e00\u4f8b\u3067\u3059\u3002<\/p>\n<h3><a id=\"post-132756-_tfrtksln9rtr\"><\/a>DLL \u691c\u7d22\u9806\u5e8f\u306e\u30cf\u30a4\u30b8\u30e3\u30c3\u30af<\/h3>\n<p>\u3053\u306e\u5b9f\u88c5\u306f Windows \u306e DLL \u691c\u7d22\u9806\u5e8f\u5168\u822c\u3092\u672c\u8cea\u7684\u306b\u60aa\u7528\u3059\u308b\u4f8b\u3067\u3059\u3002\u3053\u306e\u624b\u6cd5\u306f\u3001\u653b\u6483\u8005\u3001\u30ec\u30c3\u30c9\u30c1\u30fc\u30e0\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u691c\u8a3c\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306b\u3088\u3063\u3066\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u624b\u6cd5\u306f\u5358\u306b Windows DLL \u306e\u691c\u7d22\u9806\u5e8f\u3092\u5229\u7528\u3057\u3001\u691c\u7d22\u5bfe\u8c61\u306e\u3044\u305a\u308c\u304b\u306e\u5834\u6240\u306b\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u8106\u5f31\u306a\u6b63\u898f\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u5b9f\u884c\u3055\u305b\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u3001DLL \u306e\u691c\u7d22\u9806\u5e8f\u3067\u3088\u308a\u512a\u5148\u5ea6\u306e\u9ad8\u3044\u5834\u6240\u306b\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u914d\u7f6e\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u6709\u52b9\u306a DLL \u3088\u308a\u5148\u306b\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u898b\u3064\u3051\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f DLL \u691c\u7d22\u9806\u5e8f\u306e\u3069\u306e\u6bb5\u968e\u3067\u3082\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u653b\u6483\u8005\u304c\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d1\u30b9\u306b\u542b\u3081\u3066\u304a\u304d\u3001\u305d\u306e\u30d1\u30b9\u3092\u8ffd\u52a0\u3057\u3066 PATH \u74b0\u5883\u5909\u6570\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3082\u305d\u3046\u3057\u305f\u4f8b\u306e\u3072\u3068\u3064\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u624b\u306e\u653b\u6483\u4f8b\u3068\u3057\u3066\u306f\u3001\u60aa\u610f\u306e\u3042\u308b DLL \u3092 Python \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306b\u30c9\u30ed\u30c3\u30d7\u3057\u3001DLL \u691c\u7d22\u9806\u5e8f\u3092\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306f<a href=\"https:\/\/www.safebreach.com\/blog\/trend-micro-security-16-dll-search-order-hijacking-and-potential-abuses-cve-2019-15628\/\" target=\"_blank\" rel=\"noopener\">\u3059\u3067\u306b\u3055\u307e\u3056\u307e\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u304c\u5b9f\u8a3c\u3057\u3066\u3044\u308b<\/a>\u5b9f\u88c5\u3067\u3059\u3002<\/p>\n<p>Python \u304c Windows \u30de\u30b7\u30f3\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u308b\u3068\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u305d\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u304c PATH \u74b0\u5883\u5909\u6570 (\u901a\u5e38\u306f\u6700\u521d\u306b\u691c\u7d22\u3055\u308c\u308b\u5834\u6240\u306e 1 \u3064) \u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059 (\u56f3 2)\u3002<\/p>\n<figure id=\"attachment_132685\" aria-describedby=\"caption-attachment-132685\" style=\"width: 614px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132685 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-90973-132679-2.png\" alt=\"\u753b\u50cf 2 \u306f\u3001[Edit environment variable (\u74b0\u5883\u5909\u6570\u306e\u7de8\u96c6)] \u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u30ea\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b Python \u30d5\u30a9\u30eb\u30c0\u30fc\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002New (\u65b0\u898f)\u3001Edit (\u7de8\u96c6)\u3001Browse (\u53c2\u7167) \u3068\u3044\u3046\u30dc\u30bf\u30f3\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"614\" height=\"265\" \/><figcaption id=\"caption-attachment-132685\" class=\"wp-caption-text\">\u56f3 2. PATH \u74b0\u5883\u5909\u6570\u5185\u306e Python \u30d5\u30a9\u30eb\u30c0\u30fc<\/figcaption><\/figure>\n<p>Windows \u30db\u30b9\u30c8\u306b Python \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3001\u6a29\u9650\u3092\u7de9\u3081\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u304c\u4f5c\u6210\u3055\u308c\u3001\u8a8d\u8a3c\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc (\u7279\u6a29\u3092\u3082\u305f\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u3092\u542b\u3080) \u306f\u8ab0\u3067\u3082\u3053\u306e\u5834\u6240\u306b\u66f8\u304d\u8fbc\u3081\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u304b\u3089\u898b\u308c\u3070\u3001DLL \u691c\u7d22\u9806\u5e8f\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u653b\u6483\u3092\u5b9f\u884c\u3057\u3066\u6a19\u7684\u30de\u30b7\u30f3\u306b\u611f\u67d3\u3059\u308b\u305f\u3081\u306e\u6700\u9ad8\u306e\u6761\u4ef6\u304c\u5f97\u3089\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-132756-_scnpyd762l8y\"><\/a>Phantom DLL \u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<\/h3>\n<p>\u3053\u306e\u624b\u6cd5\u3067\u306f\u3001\u653b\u6483\u8005\u304c\u3001\u5b58\u5728\u3057\u306a\u3044 (\u307e\u305f\u306f\u6b20\u843d\u3057\u3066\u3044\u308b) DLL \u3092\u30ed\u30fc\u30c9\u3057\u3088\u3046\u3068\u3059\u308b\u3088\u3046\u306a\u5b9f\u88c5\u4e0a\u306e\u4e0d\u5177\u5408\u3092\u3082\u3064\u8106\u5f31\u306a\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u63a2\u3057\u307e\u3059\u3002\u6b21\u306b\u653b\u6483\u8005\u306f\u3001\u305d\u306e\u5b58\u5728\u3057\u306a\u3044 DLL \u3068\u540c\u540d\u306e\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u3001\u305d\u308c\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u308b\u5834\u6240\u306b\u690d\u3048\u4ed8\u3051\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u624b\u6cd5\u306e\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u4f8b\u304c <a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/win32\/search\/-search-3x-wds-overview#windows-search-service\" target=\"_blank\" rel=\"noopener\">Windows Search (WSearch) \u30b5\u30fc\u30d3\u30b9<\/a>\u306e\u60aa\u7528\u3067\u3059\u3002\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u691c\u7d22\u51e6\u7406\u3092\u62c5\u3044\u3001\u30b7\u30b9\u30c6\u30e0\u8d77\u52d5\u6642\u306b <span style=\"font-family: 'courier new', courier, monospace;\">SYSTEM<\/span> \u306e\u6a29\u9650\u3067\u958b\u59cb\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u8d77\u52d5\u6642\u306b <span style=\"font-family: 'courier new', courier, monospace;\">SearchIndexer.exe<\/span> \u3068 <span style=\"font-family: 'courier new', courier, monospace;\">SearchProtocolHost.exe<\/span> \u3092\u5b9f\u884c\u3057\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306f\u4e21\u65b9\u3068\u3082 <span style=\"font-family: 'courier new', courier, monospace;\">System32<\/span> \u304b\u3089 <span style=\"font-family: 'courier new', courier, monospace;\">msfte.dll<\/span> \u3092\u30ed\u30fc\u30c9\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306e Windows \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u306f\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3053\u306e\u5834\u6240\u306b\u5b58\u5728\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u653b\u6483\u8005\u306f\u3001\u66f8\u304d\u8fbc\u3081\u308b\u306e\u3067\u3042\u308c\u3070 <span style=\"font-family: 'courier new', courier, monospace;\">System32<\/span> \u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u3001\u305d\u3046\u3067\u306a\u3044\u306a\u3089\u3079\u3064\u306e DLL \u691c\u7d22\u9806\u5e8f\u306e\u5834\u6240\u306b\u3001\u3042\u308b\u3044\u306f\u653b\u6483\u8005\u304c\u5236\u5fa1\u3067\u304d\u308b\u5225\u306e\u5834\u6240\u3092 PATH \u74b0\u5883\u5909\u6570\u306b\u633f\u5165\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u690d\u3048\u4ed8\u3051\u3066\u304a\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u5f7c\u3089\u306f <span style=\"font-family: 'courier new', courier, monospace;\"><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/security\/identity-protection\/access-control\/local-accounts#system\" target=\"_blank\" rel=\"noopener\">SYSTEM<\/a><\/span> \u7279\u6a29\u3092\u3082\u3064\u30b9\u30c6\u30eb\u30b9\u306a\u5b9f\u884c\u7d4c\u8def\u3068\u3001\u5bfe\u8c61\u30de\u30b7\u30f3\u4e0a\u3067\u6c38\u7d9a\u6027\u3092\u7dad\u6301\u3059\u308b\u624b\u6bb5\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-132756-_oudsgequy8wm\"><\/a>\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3068\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u767a\u898b<\/h2>\n<p>\u81ea\u793e\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u3092\u4f7f\u3063\u3066 DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u653b\u6483\u3092\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u3057\u3066\u307f\u308b\u3068\u3001\u305d\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u542b\u3080\u5927\u91cf\u306e DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u653b\u6483\u8a66\u884c\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u4ee5\u4e0b\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u3084\u56fd\u5bb6\u652f\u63f4\u578b APT \u30b0\u30eb\u30fc\u30d7\u3092\u542b\u3080\u3055\u307e\u3056\u307e\u306a\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3089\u304c\u3001DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u3069\u306e\u3088\u3046\u306b\u4f7f\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u5b9f\u4f8b\u3092\u3042\u3052\u3066\u793a\u3057\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-132756-_l7rn6jpse45z\"><\/a>\u56fd\u5bb6\u652f\u63f4\u578b APT \u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u4f8b<\/h3>\n<h4><a id=\"post-132756-_g2uodi0rpk4\"><\/a>ToneShell \u306e\u30c8\u30ea\u30d7\u30eb DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<\/h4>\n<p>2023 \u5e74 9 \u6708\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/stately-taurus-attacks-se-asian-government\/\" target=\"_blank\" rel=\"noopener\">Unit 42 \u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3001DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4f7f\u3063\u3066 ToneShell \u30d0\u30c3\u30af\u30c9\u30a2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u653b\u6483\u8005\u3092\u767a\u898b<\/a>\u3057\u307e\u3057\u305f\u3002ToneShell \u306e\u4e9c\u7a2e\u3092\u4f7f\u7528\u3059\u308b\u653b\u6483\u306f\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/stately-taurus-attacks-se-asian-government\/\" target=\"_blank\" rel=\"noopener\">Stately Taurus \u306b\u30ea\u30f3\u30af<\/a>\u3055\u308c\u3066\u3044\u307e\u3059 \u3002\u3053\u308c\u3089\u306e\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306f\u3001\u56f3 3 \u304c\u793a\u3059\u901a\u308a\u3001\u9023\u643a\u3057\u3066\u50cd\u304f 3 \u3064\u306e DLL \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u7d44\u307f\u7acb\u3066\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u56f3\u3067\u306f\u3001\u5404\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c Cortex \u5185\u306e\u5bfe\u5fdc\u3059\u308b Image Load \u30a4\u30d9\u30f3\u30c8\u3068\u5bfe\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002Action Type (\u30a2\u30af\u30b7\u30e7\u30f3 \u30bf\u30a4\u30d7) \u306f\u3001\u3053\u308c\u3089\u306e\u60aa\u610f\u306e\u3042\u308b DLL \u304c\u5404\u6b63\u898f\u30d7\u30ed\u30bb\u30b9\u3078\u3068\u30ed\u30fc\u30c9\u3055\u308c\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132687\" aria-describedby=\"caption-attachment-132687\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132687 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-93431-132679-3.png\" alt=\"\u753b\u50cf 3 \u306f\u3001Cortex XDR \u306e\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u5404\u30a2\u30e9\u30fc\u30c8\u306f\u3001\u305d\u306e Action Type (\u30a2\u30af\u30b7\u30e7\u30f3 \u30bf\u30a4\u30d7) \u3068\u5bfe\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5de6\u304b\u3089\u53f3\u306b\u3001Persistence (\u6c38\u7d9a\u6027) \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3001Networking (\u30cd\u30c3\u30c8\u30ef\u30fc\u30af) \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3001Functionarilty (\u6a5f\u80fd) \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002 \" width=\"700\" height=\"281\" \/><figcaption id=\"caption-attachment-132687\" class=\"wp-caption-text\">\u56f3 3. Cortex XDR \u306e ToneShell \u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc<\/figcaption><\/figure>\n<p>\u5404 DLL \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u306f\u7570\u306a\u308b\u76ee\u7684\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>Persistence (\u6c38\u7d9a\u6027) \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 (<span style=\"font-family: 'courier new', courier, monospace;\">nw.dll,<\/span><\/strong> <strong><span style=\"font-family: 'courier new', courier, monospace;\">nw_elf.dll<\/span>):<\/strong> \u3053\u308c\u3089\u306e DLL \u306f\u3001\u307b\u304b\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30c7\u30a3\u30b9\u30af\u306b\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30d0\u30c3\u30af\u30c9\u30a2\u306e\u6c38\u7d9a\u5316\u3082\u62c5\u5f53\u3057\u307e\u3059\u3002<\/li>\n<li><strong>Networking (\u30cd\u30c3\u30c8\u30ef\u30fc\u30af) \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 (<span style=\"font-family: 'courier new', courier, monospace;\">rw32core.dll<\/span>):<\/strong> \u3053\u306e DLL \u306f\u30b3\u30de\u30f3\u30c9 &amp; \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb (C2) \u901a\u4fe1\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002<\/li>\n<li><strong>Functionality (\u6a5f\u80fd) \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 (<span style=\"font-family: 'courier new', courier, monospace;\">secur32.dll<\/span>):<\/strong> \u3053\u306e DLL \u306f\u30d0\u30c3\u30af\u30c9\u30a2\u306e\u3055\u307e\u3056\u307e\u306a\u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>Persistence \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 (<span style=\"font-family: 'courier new', courier, monospace;\">nw.dll<\/span>, <span style=\"font-family: 'courier new', courier, monospace;\">nw_elf.dll<\/span>) \u306f <span style=\"font-family: 'courier new', courier, monospace;\">PwmTower.exe<\/span> \u306b\u3088\u3063\u3066\u30b5\u30a4\u30c9\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002\u3053\u306e <span style=\"font-family: 'courier new', courier, monospace;\">PwmTower.exe<\/span> \u3068\u3044\u3046\u306e\u306f\u3001\u6b63\u898f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30c4\u30fc\u30eb\u3067\u3042\u308b\u30d1\u30b9\u30ef\u30fc\u30c9 \u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<p>Networking \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 (<span style=\"font-family: 'courier new', courier, monospace;\">rw32core.dll<\/span>) \u306f <span style=\"font-family: 'courier new', courier, monospace;\">Brcc32.exe<\/span> \u306b\u3088\u3063\u3066\u30b5\u30a4\u30c9\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">Brcc32.exe<\/span> \u306f\u30a2\u30d7\u30ea\u958b\u767a\u30c4\u30fc\u30eb\u3067\u3042\u308b Embarcadero \u306e\u30ea\u30bd\u30fc\u30b9 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3067\u3059\u3002<\/p>\n<p>Functionality \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 (<span style=\"font-family: 'courier new', courier, monospace;\">secur32.dll<\/span>) \u306f <span style=\"font-family: 'courier new', courier, monospace;\">Consent.exe<\/span> \u306b\u3088\u3063\u3066\u30b5\u30a4\u30c9\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">Consent.exe<\/span> \u306f\u3001\u300c\u7ba1\u7406\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306e\u540c\u610f UI\u300d\u3068\u3057\u3066\u8aac\u660e\u3055\u308c\u3066\u3044\u308b Windows \u30d0\u30a4\u30ca\u30ea\u30fc\u3067\u3059\u3002<\/p>\n<h4><a id=\"post-132756-_4pniqri7vy1z\"><\/a>PlugX RAT \u306b\u3088\u308b DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u6d3b\u7528\u3057\u305f\u691c\u51fa\u56de\u907f<\/h4>\n<p>\u79c1\u305f\u3061\u306e\u6ce8\u610f\u3092\u5f15\u3044\u305f\u6700\u8fd1\u306e DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0 \u30a2\u30e9\u30fc\u30c8\u306e\u3082\u3046 1 \u3064\u306e\u4f8b\u306f\u3001\u60aa\u540d\u9ad8\u3044 PlugX \u30d0\u30c3\u30af\u30c9\u30a2\u3092\u4f7f\u7528\u3057\u305f\u653b\u6483\u3067\u3057\u305f\u3002<\/p>\n<p><a href=\"https:\/\/attack.mitre.org\/software\/S0013\/\" target=\"_blank\" rel=\"noopener\">PlugX<\/a> \u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u5f0f\u306e\u30d0\u30c3\u30af\u30c9\u30a2\u3067\u3001\u4e3b\u306b <a href=\"https:\/\/unit42.paloaltonetworks.jp\/pkplug_chinese_cyber_espionage_group_attacking_asia\/\" target=\"_blank\" rel=\"noopener\">PKPLUG<\/a> \u3092\u306f\u3058\u3081\u3068\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u4e2d\u56fd\u7cfb APT \u30b0\u30eb\u30fc\u30d7\u306b\u3088\u3063\u3066\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002PlugX \u306e\u958b\u767a\u8005\u306f\u30a2\u30f3\u30c0\u30fc\u30b0\u30e9\u30a6\u30f3\u30c9\u306e\u30cf\u30c3\u30ad\u30f3\u30b0 \u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3092\u5de1\u56de\u3057\u3066\u304a\u308a\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30d0\u30a4\u30ca\u30ea\u30fc\u306f\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u898b\u3064\u304b\u308b\u3053\u3068\u304b\u3089\u3001\u4e2d\u56fd\u7cfb\u4ee5\u5916\u306e\u653b\u6483\u8005\u3082 PlugX \u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001PlugX \u304c<a href=\"https:\/\/unit42.paloaltonetworks.jp\/plugx-variants-in-usbs\/\" target=\"_blank\" rel=\"noopener\">\u4fb5\u5bb3\u3055\u308c\u305f USB \u30c7\u30d0\u30a4\u30b9<\/a>\u7d4c\u7531\u3067\u30de\u30b7\u30f3\u306b\u611f\u67d3\u3057\u3066\u3044\u307e\u3059\u3002\u56f3 4 \u306b USB \u30c7\u30d0\u30a4\u30b9\u306e\u5185\u5bb9\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u306f\u3001History \u3068\u3044\u3046\u540d\u524d\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3068 Windows \u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8 (LNK) \u30d5\u30a1\u30a4\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002History \u30d5\u30a9\u30eb\u30c0\u30fc\u306e\u540d\u524d\u3068\u30a2\u30a4\u30b3\u30f3\u306f Windows History \u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u507d\u88c5\u3055\u308c\u3066\u304a\u308a\u3001LNK \u30d5\u30a1\u30a4\u30eb\u306f\u30a2\u30a4\u30b3\u30f3\u3092\u4f7f\u3063\u3066\u30ea\u30e0\u30fc\u30d0\u30d6\u30eb \u30c7\u30a3\u30b9\u30af\u306b\u898b\u305b\u304b\u3051\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132689\" aria-describedby=\"caption-attachment-132689\" style=\"width: 394px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132689 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-96360-132679-4.png\" alt=\"\u753b\u50cf 4 \u306f\u3001\u60aa\u610f\u306e\u3042\u308b LNK \u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3080\u507d\u306e History \u30d5\u30a9\u30eb\u30c0\u30fc\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u540d\u524d\u3001\u661f\u578b\u306e\u30a2\u30a4\u30b3\u30f3\u3001History\u3001\u30ea\u30e0\u30fc\u30d0\u30d6\u30eb\u30c7\u30a3\u30b9\u30af(28GB) \u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"394\" height=\"178\" \/><figcaption id=\"caption-attachment-132689\" class=\"wp-caption-text\">\u56f3 4. \u507d\u306e History \u30d5\u30a9\u30eb\u30c0\u30fc\u3068\u60aa\u610f\u306e\u3042\u308b LNK \u30d5\u30a1\u30a4\u30eb<\/figcaption><\/figure>\n<p>\u507d\u306e History \u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u306f\u30d5\u30a1\u30a4\u30eb\u304c 3 \u3064\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3.exe<\/span>\n<ul>\n<li>\u540d\u524d\u304c\u5909\u66f4\u3055\u308c\u305f <span style=\"font-family: 'courier new', courier, monospace;\">Acrobat.exe<\/span> \u30d5\u30a1\u30a4\u30eb (Adobe Acrobat \u306e\u6b63\u898f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8)<\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">Acrobat.dll<\/span>\n<ul>\n<li>PlugX \u30ed\u30fc\u30c0\u30fc\u3002\u540d\u524d\u3092\u5909\u66f4\u3057\u3066\u6b63\u898f Adobe Acrobat \u30d5\u30a1\u30a4\u30eb\u306e\u3088\u3046\u306b\u898b\u305b\u304b\u3051\u3066\u3042\u308b<\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">AcrobatDC.dat<\/span>\n<ul>\n<li>PlugX \u30ed\u30fc\u30c0\u30fc\u304c\u30e1\u30e2\u30ea\u30fc\u5185\u3067\u5fa9\u53f7\u3059\u308b\u60aa\u610f\u306e\u3042\u308b\u30da\u30a4\u30ed\u30fc\u30c9<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u88ab\u5bb3\u8005\u304c\u30ea\u30e0\u30fc\u30d0\u30d6\u30eb \u30c7\u30a3\u30b9\u30af\u306e LNK \u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u305d\u308c\u304c <span style=\"font-family: 'courier new', courier, monospace;\">3.exe<\/span>\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002\u6b21\u306b <span style=\"font-family: 'courier new', courier, monospace;\">3.exe<\/span> \u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">Acrobat.dll<\/span> \u3068\u3044\u3046\u540d\u524d\u304c\u3064\u3044\u305fPlugX \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092 DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u7d4c\u7531\u3067\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">C:\\ProgramData\\AcroBat\\AcrobatAey<\/span> \u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092\u4f5c\u6210\u3057\u3001\u3053\u308c\u3089 3 \u3064\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u3053\u306e\u5834\u6240\u306b\u305d\u308c\u305e\u308c <span style=\"font-family: 'courier new', courier, monospace;\">Acrobat.exe<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">Acrobat.dll<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">AcrobatDC.dat<\/span> \u3068\u3057\u3066\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002<\/p>\n<p>\u6c38\u7d9a\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u3053\u306e PlugX \u30b5\u30f3\u30d7\u30eb\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">InternetUpdateTask<\/span> \u3068\u3044\u3046\u540d\u524d\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb \u30bf\u30b9\u30af\u3092\u4f5c\u6210\u3057\u3066\u3001\u3053\u308c\u304c 30 \u5206\u3054\u3068\u306b\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u56f3 5 \u306f\u3001Cortex XDR \u3067\u521d\u671f\u306e\u611f\u67d3\u306e\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc\u3092\u793a\u3057\u305f\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_132691\" aria-describedby=\"caption-attachment-132691\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132691 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-98869-132679-5.png\" alt=\"\u753b\u50cf 5 \u306f\u3001Cortex XDR \u306e PlugX \u306e\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u30022 \u3064\u306e\u30d5\u30ec\u30af\u30b5\u30fc\u3068 3 \u3064\u306e\u7570\u306a\u308b .exe \u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308a\u307e\u3059\u3002 \" width=\"600\" height=\"178\" \/><figcaption id=\"caption-attachment-132691\" class=\"wp-caption-text\">\u56f3 5. PlugX \u306e\u521d\u671f\u5b9f\u884c\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc<\/figcaption><\/figure>\n<h3><a id=\"post-132756-_vzp3w5s99vze\"><\/a>\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u653b\u6483\u8005\u306b\u3088\u308b DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u4f8b<\/h3>\n<h4><a id=\"post-132756-_wthnvu5wi8ds\"><\/a>\u5357\u7c73\u306e\u7d44\u7e54\u3092\u6a19\u7684\u3068\u3059\u308b AsyncRAT \u30d5\u30a3\u30c3\u30b7\u30f3\u30b0 \u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u89e3\u660e<\/h4>\n<p>Cortex XDR Analysis \u3067 DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0 \u30a2\u30e9\u30fc\u30c8\u3092\u30cf\u30f3\u30c8\u3057\u305f\u3068\u3053\u308d\u3001\u4e3b\u306b\u30b3\u30ed\u30f3\u30d3\u30a2\u3068\u30a2\u30eb\u30bc\u30f3\u30c1\u30f3\u306e\u88ab\u5bb3\u8005\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3057\u3001<a href=\"https:\/\/attack.mitre.org\/software\/S1087\/\" target=\"_blank\" rel=\"noopener\">AsyncRAT<\/a> \u306e\u914d\u5e03\u3092\u72d9\u3046\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0 \u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u304c\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>AsyncRAT \u306f\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u3089\u306e\u9593\u3067\u975e\u5e38\u306b\u4eba\u6c17\u306e\u3042\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9 \u30de\u30eb\u30a6\u30a7\u30a2\u3067\u3059\u3002\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u4f7f\u3048\u3070\u3001\u653b\u6483\u8005\u306f\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u3001\u753b\u9762\u30ad\u30e3\u30d7\u30c1\u30e3\u3001\u30ad\u30fc \u30ed\u30ae\u30f3\u30b0\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u611f\u67d3\u306f\u30b9\u30da\u30a4\u30f3\u8a9e\u3067\u66f8\u304b\u308c\u305f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0 \u30e1\u30fc\u30eb\u304b\u3089\u59cb\u307e\u308a (\u56f3 6)\u3001\u3053\u306e\u30e1\u30fc\u30eb\u306b\u306f\u6c42\u3081\u3089\u308c\u308b\u6cd5\u7684\u63aa\u7f6e\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132693\" aria-describedby=\"caption-attachment-132693\" style=\"width: 716px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132693 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-102103-132679-6.png\" alt=\"\u753b\u50cf 6 \u306f\u3001AsyncRAT \u3092\u914d\u5e03\u3059\u308b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0 \u30e1\u30fc\u30eb\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u30e1\u30fc\u30eb\u306e\u8a00\u8a9e\u306f\u30b9\u30da\u30a4\u30f3\u8a9e\u3067\u3059\u3002 \" width=\"716\" height=\"342\" \/><figcaption id=\"caption-attachment-132693\" class=\"wp-caption-text\">\u56f3 6. AsyncRAT \u3092\u914d\u5e03\u3059\u308b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0 \u30e1\u30fc\u30eb\u306e\u30c6\u30ad\u30b9\u30c8<\/figcaption><\/figure>\n<p>\u3053\u308c\u3089\u306e\u30e1\u30fc\u30eb\u306b\u306f\u3001\u60aa\u610f\u306e\u3042\u308b ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u30db\u30b9\u30c8\u3057\u3066\u3044\u308b Google \u30c9\u30e9\u30a4\u30d6 \u306e URL \u3078\u306e\u30ea\u30f3\u30af\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30a2\u30fc\u30ab\u30a4\u30d6 \u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001ZIP \u30d5\u30a1\u30a4\u30eb\u540d\u3068\u540c\u3058\u540d\u524d\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3068\u3001<span style=\"font-family: 'courier new', courier, monospace;\">http_dll.dll<\/span> \u3068\u3044\u3046\u540d\u524d\u306e\u60aa\u610f\u306e\u3042\u308b DLL \u30d5\u30a1\u30a4\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u5b9f\u969b\u306b\u306f\u540d\u524d\u304c\u5909\u66f4\u3055\u308c\u305f ESET HTTP Server \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30bb\u30b9\u306e\u6b63\u5f53\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3001\u5143\u306e\u540d\u524d\u306f <span style=\"font-family: 'courier new', courier, monospace;\">EHttpSrv.exe<\/span> \u3067\u3059\u3002\u88ab\u5bb3\u8005\u304c\u540d\u524d\u3092\u5909\u66f4\u3055\u308c\u305f <span style=\"font-family: 'courier new', courier, monospace;\">EHttpSrv.exe<\/span> \u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u3053\u308c\u304c DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4ecb\u3057\u3066\u60aa\u610f\u306e\u3042\u308b <span style=\"font-family: 'courier new', courier, monospace;\">http_dll.dll<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u540c\u3058\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u304b\u3089\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u3053\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u304c <span style=\"font-family: 'courier new', courier, monospace;\">http_dll.dll<\/span> \u3092\u30ed\u30fc\u30c9\u3059\u308b\u3068\u3001\u5f53\u8a72 DLL \u304c\u30e1\u30e2\u30ea\u30fc\u5185\u3067\u30a2\u30f3\u30d1\u30c3\u30af\u3055\u308c\u3066 AsyncRAT \u30de\u30eb\u30a6\u30a7\u30a2\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<p>\u56f3 7 \u306f\u3001Cortex XDR \u3067\u611f\u67d3\u30c1\u30a7\u30fc\u30f3\u3092\u8868\u793a\u3057\u305f\u3068\u3053\u308d\u3067\u3059\u3002\u60aa\u610f\u306e\u3042\u308b ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u30017-Zip (<span style=\"font-family: 'courier new', courier, monospace;\">7zG.exe<\/span>) \u3067\u5c55\u958b\u3055\u308c\u3001\u540d\u524d\u306e\u5909\u66f4\u3055\u308c\u305f <span style=\"font-family: 'courier new', courier, monospace;\">EHttpSrv.exe<\/span> \u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132695\" aria-describedby=\"caption-attachment-132695\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132695 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-104575-132679-7.png\" alt=\"\u753b\u50cf 7 \u306f\u3001Cortex XDR \u3067\u30a2\u30e9\u30fc\u30c8\u306e\u30c4\u30ea\u30fc\u56f3\u3092\u8868\u793a\u3057\u305f\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u30d7\u30ed\u30bb\u30b9 \u30c4\u30ea\u30fc\u306e\u9806\u5e8f\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u30021. \u30e6\u30fc\u30b6\u30fc\u304c zip \u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u30022. \u30e6\u30fc\u30b6\u30fc\u304c zip \u30d5\u30a1\u30a4\u30eb\u3092\u5c55\u958b\u3057\u307e\u3059\u30023. \u30e6\u30fc\u30b6\u30fc\u304c\u3001\u540d\u524d\u304c\u5909\u66f4\u3055\u308c\u305f EHttpSrv.exe \u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002 \" width=\"600\" height=\"361\" \/><figcaption id=\"caption-attachment-132695\" class=\"wp-caption-text\">\u56f3 7. Cortex XDR \u3067 AsyncRAT \u611f\u67d3\u3092\u8868\u793a\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u56f3 8 \u306f\u3001\u3053\u306e\u4e00\u9023\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u3057\u3066 Cortex XDR \u304c\u751f\u6210\u3057\u305f\u300cDLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u53ef\u80fd\u6027\u300d\u306e\u30a2\u30e9\u30fc\u30c8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132697\" aria-describedby=\"caption-attachment-132697\" style=\"width: 477px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132697 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-107894-132679-8.png\" alt=\"\u753b\u50cf 8 \u306f\u3001DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u53ef\u80fd\u6027\u3092\u793a\u3059 Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u30a2\u30e9\u30fc\u30c8\u306e\u30ec\u30d9\u30eb\u306f\u300cMedium\u300d\u3067\u3059\u3002\u30bd\u30fc\u30b9\u306f XDR Analytics \u3067\u3059\u3002[Investigate (\u8abf\u67fb)] \u30dc\u30bf\u30f3\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7f72\u540d\u3055\u308c\u305f\u30a2\u30af\u30bf\u30fc \u30d7\u30ed\u30bb\u30b9 #13\u300cnotification demanda en su Contra.EXE\u300d\u306b\u3088\u308a\u3001http_dll.dll \u3068\u3044\u3046\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30cf\u30c3\u30b7\u30e5\u306f\u3001\u904e\u53bb 30 \u65e5\u9593\u306b\u7d44\u7e54\u5185\u306e\u30db\u30b9\u30c8\u3067\u78ba\u8a8d\u3055\u308c\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\" width=\"477\" height=\"181\" \/><figcaption id=\"caption-attachment-132697\" class=\"wp-caption-text\">\u56f3 8. Cortex XDR \u3067 DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u53ef\u80fd\u6027\u3092\u793a\u3059\u30a2\u30e9\u30fc\u30c8\u3092\u8868\u793a\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<h4><a id=\"post-132756-_3r1rvlnlt3v2\"><\/a>CatB \u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e Phantom DLL \u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<\/h4>\n<p><a href=\"https:\/\/malpedia.caad.fkie.fraunhofer.de\/details\/win.catb\" target=\"_blank\" rel=\"noopener\">CatB \u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2<\/a>\u304c\u6700\u521d\u306b\u78ba\u8a8d\u3055\u308c\u305f\u306e\u306f 2022 \u5e74 12 \u6708\u3067\u3057\u305f\u3002\u305d\u308c\u4ee5\u6765\u3001\u5c11\u306a\u304f\u3068\u3082 1 \u3064\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3089\u306f<a href=\"https:\/\/www.sentinelone.com\/blog\/decrypting-catb-ransomware-analyzing-their-latest-attack-methods\/\" target=\"_blank\" rel=\"noopener\">\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3 \u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u30fc (MSDTC) \u30b5\u30fc\u30d3\u30b9<\/a>\u3092\u60aa\u7528\u3057\u3001CatB \u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u7528\u306b Phantom DLL \u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e CatB \u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2 \u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u6838\u3068\u306a\u308b\u306e\u304c\u3001\u30c9\u30ed\u30c3\u30d1\u30fc DLL \u3068\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2 DLL \u3068\u3044\u3046 2 \u3064\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u30c9\u30ed\u30c3\u30d1\u30fc DLL \u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u5bfe\u7b56\u3084\u4eee\u60f3\u30de\u30b7\u30f3 (VM) \u5bfe\u7b56\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u884c\u3057\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2 \u30da\u30a4\u30ed\u30fc\u30c9\u3092\u30c9\u30ed\u30c3\u30d7\u3057\u3066\u3082\u5b89\u5168\u306a\u74b0\u5883\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u30c9\u30ed\u30c3\u30d1\u30fc DLL \u304c\u305d\u306e\u74b0\u5883\u3092\u5b89\u5168\u3068\u5224\u65ad\u3059\u308b\u3068\u3001<span style=\"font-family: 'courier new', courier, monospace;\">oci.dll<\/span> \u3068\u3044\u3046\u540d\u524d\u306e 2 \u3064\u3081\u306e DLL \u304c <span style=\"font-family: 'courier new', courier, monospace;\">C:\\Windows\\System32<\/span> \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306e\u4e0b\u306b\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u3002\u6b21\u306b\u30c9\u30ed\u30c3\u30d1\u30fc\u306f\u3001\u4ee5\u4e0b\u306e\u56f3 9 \u306b\u793a\u3059\u3088\u3046\u306b\u3001<span style=\"font-family: 'courier new', courier, monospace;\">msdtc.exe<\/span> \u306b\u3088\u3063\u3066 MSDTC \u30d7\u30ed\u30bb\u30b9\u3092\u5f37\u5236\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132699\" aria-describedby=\"caption-attachment-132699\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132699 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-110330-132679-9.png\" alt=\"\u753b\u50cf 9 \u306f Cortex XDR \u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u30023 \u3064\u306e\u8b66\u544a\u30a2\u30a4\u30b3\u30f3\u304c 3 \u3064\u306e\u7570\u306a\u308b .exe \u30d5\u30a1\u30a4\u30eb\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\" width=\"700\" height=\"175\" \/><figcaption id=\"caption-attachment-132699\" class=\"wp-caption-text\">\u56f3 9. Cortex XDR \u3067\u30c9\u30ed\u30c3\u30d1\u30fc DLL \u306e\u5b9f\u884c\u3092\u8868\u793a\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u3053\u308c\u306f Phantom DLL \u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u5b9f\u88c5\u306e\u305f\u3081\u306b\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002 <span style=\"font-family: 'courier new', courier, monospace;\">msdtc.exe<\/span> \u306f\u3001\u8d77\u52d5\u6642\u306b <span style=\"font-family: 'courier new', courier, monospace;\">oci.dll<\/span> \u3068\u3044\u3046\u540d\u524d\u306e DLL \u3092\u30ed\u30fc\u30c9\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u901a\u5e38 <span style=\"font-family: 'courier new', courier, monospace;\">System32<\/span> \u30d5\u30a9\u30eb\u30c0\u5185\u306b\u306f\u5b58\u5728\u3057\u3066\u3044\u307e\u305b\u3093\u3002<span style=\"font-family: 'courier new', courier, monospace;\">msdtc.exe<\/span> \u304c\u518d\u8d77\u52d5\u3059\u308b\u3068\u3001\u60aa\u610f\u306e\u3042\u308b <span style=\"font-family: 'courier new', courier, monospace;\">oci.dll<\/span> \u304c\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u304c\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3067\u3059 (\u56f3 10)\u3002\u4ee5\u4e0b\u306e\u56f3\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">msdtc.exe<\/span> \u30d7\u30ed\u30bb\u30b9\u304c\u60aa\u610f\u306e\u3042\u308b <span style=\"font-family: 'courier new', courier, monospace;\">oci.dll<\/span> \u306e Image Load \u30a4\u30d9\u30f3\u30c8\u3068\u5bfe\u306b\u306a\u3063\u3066\u3044\u308b\u3088\u3046\u3059\u3092 Cortex \u4e0a\u3067\u8868\u793a\u3057\u305f\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_132701\" aria-describedby=\"caption-attachment-132701\" style=\"width: 1622px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132701 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-112848-132679-10.png\" alt=\"\u753b\u50cf 10 \u306f\u3001Cortex XDR \u306e\u30d7\u30ed\u30bb\u30b9\u56f3\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002.exe \u304c\u8d77\u52d5\u3059\u308b\u3068\u3001\u60aa\u610f\u306e\u3042\u308b DLL \u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002 \" width=\"1622\" height=\"658\" \/><figcaption id=\"caption-attachment-132701\" class=\"wp-caption-text\">\u56f3 10. <span style=\"font-family: 'courier new', courier, monospace;\">Msdtc.exe<\/span> \u304c\u60aa\u610f\u306e\u3042\u308b <span style=\"font-family: 'courier new', courier, monospace;\">oci.dll<\/span> \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ed\u30fc\u30c9\u3057\u305f\u3068\u3053\u308d\u3092 Cortex XDR \u3067\u8868\u793a<\/figcaption><\/figure>\n<p>\u56f3 11 \u306b\u793a\u3059\u3088\u3046\u306b\u3001Cortex XDR \u306f Phantom DLL \u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u8a66\u884c\u306e\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132703\" aria-describedby=\"caption-attachment-132703\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132703 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-115612-132679-11.png\" alt=\"\u753b\u50cf 11 \u306f\u3001DLL \u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u53ef\u80fd\u6027\u3092\u793a\u3059 Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u30a2\u30e9\u30fc\u30c8\u306e\u30ec\u30d9\u30eb\u306f\u300cMedium\u300d\u3067\u3059\u3002\u30bd\u30fc\u30b9\u306f XDR Analytics \u3067\u3059\u3002[Investigate (\u8abf\u67fb)] \u30dc\u30bf\u30f3\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002oci.dll \u304c msdtc.exe \u306b\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u4fe1\u983c\u3067\u304d\u308b\u30d7\u30ed\u30bb\u30b9\u306b\u30ed\u30fc\u30c9\u3059\u308b\u653b\u6483\u8005\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u52d5\u4f5c\u306f\u3001\u904e\u53bb 30 \u65e5\u9593\u306b 0 \u53f0\u306e\u30db\u30b9\u30c8\u4e0a\u3067 0 \u65e5 (\u91cd\u8907\u306a\u3057) \u9593\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002\" width=\"400\" height=\"149\" \/><figcaption id=\"caption-attachment-132703\" class=\"wp-caption-text\">\u56f3 11. Cortex XDR \u3067 Phantom DLL \u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u30a2\u30e9\u30fc\u30c8\u3092\u8868\u793a\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<h4><a id=\"post-132756-_n73ydobq78ai\"><\/a>Microsoft DLL \u306e\u60aa\u7528\u304b\u3089 Dridex \u3078<\/h4>\n<p>\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3089\u306f\u3001\u3079\u3064\u306e\u8457\u540d\u306a\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u30de\u30eb\u30a6\u30a7\u30a2\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/dridex-ja\/\">Dridex<\/a> \u306b\u3082 DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u5b9f\u88c5\u3057\u3066\u304d\u307e\u3057\u305f\u3002Dridex \u306e\u521d\u671f\u611f\u67d3\u30d9\u30af\u30c8\u30eb\u306f\u3001\u305f\u3044\u3066\u3044\u306e\u5834\u5408\u3001\u60aa\u610f\u306e\u3042\u308b\u96fb\u5b50\u30e1\u30fc\u30eb\u304b Web \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3059\u3002<\/p>\n<p>\u5b9f\u884c\u6642\u3001Dridex \u30ed\u30fc\u30c0\u30fc\u306f <span style=\"font-family: 'courier new', courier, monospace;\">explorer.exe<\/span> \u304c\u4f7f\u3063\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u7a7a\u9593\u306b <a href=\"https:\/\/unit42.paloaltonetworks.jp\/banking-trojan-techniques\/#post-125590-_qlvkbjr0alhu\" target=\"_blank\" rel=\"noopener\">AtomBombing<\/a> \u3092\u4f7f\u3063\u3066\u30b3\u30fc\u30c9\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f <span style=\"font-family: 'courier new', courier, monospace;\">explorer.exe<\/span> \u30d7\u30ed\u30bb\u30b9\u304c\u3001<span style=\"font-family: 'courier new', courier, monospace;\">.tmp<\/span> \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u540d\u306e Dridex DLL \u3068\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u540d\u524d\u306e\u30b7\u30a7\u30eb \u30b9\u30af\u30ea\u30d7\u30c8\u3068\u3092\u3001\u30e6\u30fc\u30b6\u30fc\u306e Temp \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306b\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u30c7\u30a3\u30b9\u30af\u306b\u66f8\u304d\u8fbc\u307e\u308c\u305f\u4f8b\u3092\u56f3 12 \u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132705\" aria-describedby=\"caption-attachment-132705\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132705 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-118238-132679-12.png\" alt=\"\u753b\u50cf 12 \u306f\u3001Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8 \u30c6\u30fc\u30d6\u30eb\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u30022 \u3064\u306e\u5217\u306f\u300cACTION_TYPE (\u30a2\u30af\u30b7\u30e7\u30f3 \u30bf\u30a4\u30d7)\u300d\u3068\u300cFILE_PATH (\u30d5\u30a1\u30a4\u30eb \u30d1\u30b9)\u300d\u3067\u3059\u3002\u3059\u3079\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u300cFile Write (\u30d5\u30a1\u30a4\u30eb\u66f8\u304d\u8fbc\u307f)\u300d\u3067\u3059\u3002\" width=\"700\" height=\"285\" \/><figcaption id=\"caption-attachment-132705\" class=\"wp-caption-text\">\u56f3 12. \u60aa\u610f\u306e\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u304c <span style=\"font-family: 'courier new', courier, monospace;\">explorer.exe<\/span> \u306b\u3088\u308a\u30c7\u30a3\u30b9\u30af\u306b\u66f8\u304d\u8fbc\u307e\u308c\u308b\u3088\u3046\u3059\u3092 Cortex XDR \u3067\u8868\u793a\u3057\u305f\u3068\u3053\u308d<\/figcaption><\/figure>\n<p>\u6700\u5927\u3067 3 \u3064\u306e\u30b7\u30a7\u30eb \u30b9\u30af\u30ea\u30d7\u30c8\u304c\u51fa\u73fe\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u3053\u308c\u3089\u304c\u88ab\u5bb3\u30db\u30b9\u30c8\u4e0a\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d1\u30b9\u4ee5\u4e0b\u306e 3 \u3064\u306e\u7570\u306a\u308b\u5834\u6240\u306b\u3001\u6c38\u7d9a\u7684\u306a Dridex \u611f\u67d3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u611f\u67d3\u306e\u6301\u7d9a\u306b DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30b7\u30a7\u30eb \u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d1\u30b9\u306e\u4e0b\u306b\u3053\u308c\u3089\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u540d\u524d\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092\u4f5c\u6210\u3057\u3001\u6b63\u898f Microsoft \u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3057\u3001DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u7528\u306b Dridex DLL <span style=\"font-family: 'courier new', courier, monospace;\">.tmp<\/span> \u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u5909\u66f4\u3092\u884c\u3044\u307e\u3059\u30022 \u3064\u306e\u30b7\u30a7\u30eb \u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4f8b\u3092\u4ee5\u4e0b\u306e\u56f3 13 \u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132707\" aria-describedby=\"caption-attachment-132707\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132707 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-121178-132679-13.png\" alt=\"\u753b\u50cf 13 \u306f\u3001Dridex \u3092\u30b3\u30d4\u30fc\u3059\u308b\u30b7\u30a7\u30eb \u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u30b3\u30fc\u30c9\u306f\u5168\u90e8\u3067 8 \u884c\u3042\u308a\u307e\u3059\u3002\" width=\"800\" height=\"188\" \/><figcaption id=\"caption-attachment-132707\" class=\"wp-caption-text\">\u56f3 13. Dridex \u3092\u30b3\u30d4\u30fc\u3059\u308b\u30b7\u30a7\u30eb \u30b9\u30af\u30ea\u30d7\u30c8<\/figcaption><\/figure>\n<p>\u305d\u306e\u5f8c\u3001\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3055\u308c\u305f <span style=\"font-family: 'courier new', courier, monospace;\">explorer.exe<\/span> \u30d7\u30ed\u30bb\u30b9\u306f\u3001\u6700\u5927 3 \u3064\u306e\u65b9\u6cd5\u3092\u4f7f\u3063\u3066\u30b3\u30d4\u30fc\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea\u30fc\u3092\u6c38\u7d9a\u5316\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">HKCU\\SOFWARE\\Microsoft\\Windows\\CurrentVersion\\Run<\/span> \u4ee5\u4e0b\u306e\u30ec\u30b8\u30b9\u30c8\u30ea\u30fc\u306e\u66f4\u65b0 (\u56f3 14 \u306b\u4f8b\u793a)<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306e <span style=\"font-family: 'courier new', courier, monospace;\">AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup<\/span> \u30d5\u30a9\u30eb\u30c0\u30fc\u4ee5\u4e0b\u306b\u3042\u308b Windows \u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8<\/li>\n<li>\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3055\u308c\u305f\u30bf\u30b9\u30af<\/li>\n<\/ol>\n<figure id=\"attachment_132709\" aria-describedby=\"caption-attachment-132709\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132709 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-124953-132679-14.png\" alt=\"\u753b\u50cf 14 \u306f\u3001Cortex XDR \u306e\u30a2\u30e9\u30fc\u30c8\u3067\u3059\u3002\u4e00\u90e8\u306e\u60c5\u5831\u306f\u5272\u611b\u3055\u308c\u3066\u3044\u307e\u3059\u30022 \u3064\u306e\u30d5\u30a1\u30a4\u30eb \u30d1\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\" width=\"700\" height=\"148\" \/><figcaption id=\"caption-attachment-132709\" class=\"wp-caption-text\">\u56f3 14. Dridex \u306b\u95a2\u3059\u308b Cortex XDR \u30a2\u30e9\u30fc\u30c8\u3002\u6c38\u7d9a\u5316\u306e\u305f\u3081\u306b\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3055\u308c\u305f\u30bf\u30b9\u30af\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b<\/figcaption><\/figure>\n<p>\u56f3 15 \u306f\u3001\u6b63\u898f\u30d5\u30a1\u30a4\u30eb\u306e <span style=\"font-family: 'courier new', courier, monospace;\">DeviceEnroller.exe<\/span> \u306b\u5bfe\u3059\u308b Cortex XDR \u30a2\u30e9\u30fc\u30c8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u60aa\u610f\u306e\u3042\u308b Dridex DLL \u3092\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_132711\" aria-describedby=\"caption-attachment-132711\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-132711 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/02\/word-image-128186-132679-15.png\" alt=\"\u56f3 15 \u306f\u3001Cortex XDR\u306e\u30d7\u30ed\u30bb\u30b9\u56f3\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u30a2\u30e9\u30fc\u30c8\u540d\u306f\u8d64\u3044\u56db\u89d2\u5f62\u3067\u5f37\u8abf\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u60c5\u5831\u306e\u4e00\u90e8\u306f\u5272\u611b\u3057\u3066\u3042\u308a\u307e\u3059\u3002 \" width=\"800\" height=\"359\" \/><figcaption id=\"caption-attachment-132711\" class=\"wp-caption-text\">\u56f3 15. \u6b63\u898f\u306e <span style=\"font-family: 'courier new', courier, monospace;\">DeviceEnroller.exe<\/span> \u304c\u60aa\u610f\u306e\u3042\u308b Dridex DLL \u3092\u30b5\u30a4\u30c9\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u30a2\u30e9\u30fc\u30c8<\/figcaption><\/figure>\n<h2><a id=\"post-132756-_4luxkb6v6zoa\"><\/a>DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u52b9\u7387\u7684\u691c\u51fa\u306e\u539f\u5247<\/h2>\n<p>\u300c\u3042\u308b\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u304c\u3001\u540d\u524d\u306f\u540c\u3058\u3060\u304c\u305d\u308c\u4ee5\u5916\u306e\u70b9\u3067\u5185\u5bb9\u306e\u7570\u306a\u308b\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u4e88\u671f\u305b\u305a\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u4e8b\u4f8b\u3092\u7279\u5b9a\u3059\u308b\u306e\u306f\u304b\u306a\u308a\u96e3\u3057\u3044\u4f5c\u696d\u3067\u3059\u3002\u3053\u3046\u3057\u305f\u632f\u308b\u821e\u3044\u4e0a\u306e\u30a2\u30ce\u30de\u30ea\u30fc (\u7570\u5e38) \u3092\u5927\u898f\u6a21\u306b\u691c\u51fa\u3059\u308b\u3068\u306a\u308c\u3070\u3001\u305d\u306e\u8ab2\u984c\u306e\u96e3\u6613\u5ea6\u306f\u3055\u3089\u306b\u3042\u304c\u308a\u307e\u3059\u3002<\/p>\n<p>\u672c\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u52b9\u679c\u7684\u306b\u691c\u51fa\u3059\u308b\u305f\u3081\u306e\u3044\u304f\u3064\u304b\u306e\u539f\u5247\u3092\u3001\u305d\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3082\u542b\u3081\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u539f\u5247\u306f\u3001\u60aa\u610f\u306e\u3042\u308b DLL\u3001\u8106\u5f31\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u304a\u3088\u3073\u8106\u5f31\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u60aa\u610f\u306e\u3042\u308b DLL \u3092\u30ed\u30fc\u30c9\u3059\u308b\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0 \u30a4\u30d9\u30f3\u30c8\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-132756-_uxdb75w38t17\"><\/a>\u60aa\u610f\u306e\u3042\u308b DLL<\/h3>\n<p>\u60aa\u610f\u306e\u3042\u308b DLL \u306f\u6b63\u898f\u306e DLL \u3068\u540c\u3058\u540d\u524d\u3092\u6301\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u79c1\u305f\u3061\u306f\u7570\u5e38\u3092\u63a2\u3057\u307e\u3059\u3002\u4f8b\u3092\u4ee5\u4e0b\u306b\u3042\u3052\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u304c\u306a\u3044\u3001\u3042\u308b\u3044\u306f\u7a83\u53d6\u3055\u308c\u305f\u7f72\u540d\u3067\u3042\u308b<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb \u30b5\u30a4\u30ba\u304c\u7570\u5e38<\/li>\n<li>\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u304c\u7570\u5e38\u306b\u9ad8\u3044\u307e\u305f\u306f\u4f4e\u3044<\/li>\n<li>\u7d44\u7e54\u5185\u3067\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3068\u306e\u6bd4\u8f03\u3067\u307e\u308c\u306a\u30d5\u30a1\u30a4\u30eb \u30cf\u30c3\u30b7\u30e5\u3092\u3082\u3064<\/li>\n<li>\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b\u5074\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u65e5\u6642\u3068\u6bd4\u3079\u3001DLL \u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u65e5\u6642\u304c\u5927\u5e45\u306b\u82e5\u3044<\/li>\n<li>\u901a\u5e38\u306f DLL \u304c\u5b58\u5728\u3057\u306a\u3044\u3088\u3046\u306a\u30d1\u30b9\u306b DLL \u304c\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n<h3><a id=\"post-132756-_vxkn3n3bxasi\"><\/a>\u8106\u5f31\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p>\u3053\u306e\u8106\u5f31\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u901a\u5e38\u3001\u60aa\u610f\u306e\u3042\u308b DLL \u306e\u5b9f\u884c\u3092\u3088\u308a\u3046\u307e\u304f\u507d\u88c5\u3055\u305b\u3066\u304f\u308c\u308b\u3088\u3046\u306a\u6b63\u898f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u305d\u308c\u3092\u8e0f\u307e\u3048\u3001\u79c1\u305f\u3061\u306f\u660e\u78ba\u306a\u7279\u6027\u3092\u63a2\u3059\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u901a\u5e38\u3001\u6709\u52b9\u306a\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3092\u3082\u3064<\/li>\n<li>\u6a19\u7684\u306b\u3055\u308c\u3084\u3059\u3044\u3001\u4fe1\u983c\u3067\u304d\u308b\u30d9\u30f3\u30c0\u30fc (\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u3001VPN\u3001Microsoft \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3) \u3067\u3042\u308b<\/li>\n<li>\u60aa\u7528\u983b\u5ea6\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 (\u30cf\u30c3\u30b7\u30e5\u5225\u306a\u3044\u3057\u30d0\u30fc\u30b8\u30e7\u30f3\u5225) \u3067\u3042\u308b<\/li>\n<li>DLL \u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u5834\u5408\n<ul>\n<li>\u901a\u5e38\u3001\u305d\u306e\u7d44\u7e54\u3067\u306f\u3042\u307e\u308a\u4e00\u822c\u7684\u3067\u306f\u306a\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308b<\/li>\n<li>\u901a\u5e38\u3001\u3042\u307e\u308a\u4e00\u822c\u7684\u3067\u306a\u3044\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc (\u305f\u3068\u3048\u3070 <span style=\"font-family: 'courier new', courier, monospace;\">C:\\Users\\&lt;Username&gt;\\AppData<\/span> \u3084 <span style=\"font-family: 'courier new', courier, monospace;\">C:\\ProgramData<\/span>) \u3092\u4f7f\u3063\u3066\u3044\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><a id=\"post-132756-_3vztlcshre4s\"><\/a>\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0 \u30a4\u30d9\u30f3\u30c8<\/h3>\n<p>\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0 \u30a4\u30d9\u30f3\u30c8\u304b\u3089\u3082\u3055\u307e\u3056\u307e\u306a\u7570\u5e38\u3092\u898b\u3064\u3051\u3089\u308c\u307e\u3059\u3002\u4f8b\u3092\u4ee5\u4e0b\u306b\u3042\u3052\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5bfe\u8c61\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u7591\u308f\u3057\u3044 DLL \u540d\u306a\u3044\u3057 DLL \u30cf\u30c3\u30b7\u30e5\u3092\u521d\u3081\u3066\u30ed\u30fc\u30c9\u3057\u305f<\/li>\n<li>\u5bfe\u8c61\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u901a\u5e38\u306a\u3089\u8907\u6570\u306e DLL \u3092\u30ed\u30fc\u30c9\u3059\u308b\u306e\u306b\u3001\u4eca\u306f\u5358\u4e00\u306e DLL \u3057\u304b\u30ed\u30fc\u30c9\u3057\u3066\u3044\u306a\u3044<\/li>\n<\/ul>\n<h2><a id=\"post-132756-_ba9yacilkpzf\"><\/a>DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u30a2\u30bf\u30c3\u30af \u30b5\u30fc\u30d5\u30a7\u30b9\u7de9\u548c<\/h2>\n<p>DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u653b\u6483\u306e\u53ef\u80fd\u6027\u304b\u3089\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fdd\u8b77\u3059\u308b\u306b\u306f\u3001\u958b\u767a\u8005\u304c\u3053\u306e\u653b\u6483\u624b\u6cd5\u3092\u8a8d\u8b58\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u4fdd\u8b77\u624b\u6bb5\u3092\u7d71\u5408\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Microsoft \u306f <a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/win32\/dlls\/dynamic-link-library-security\" target=\"_blank\" rel=\"noopener\">DLL \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b\u8a18\u4e8b<\/a>\u3092\u516c\u958b\u3057\u3001\u3053\u3046\u3057\u305f\u53d6\u308a\u7d44\u307f\u306b\u3080\u3051\u3066\u958b\u767a\u8005\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304f\u308c\u308b\u3001\u3044\u304f\u3064\u304b\u306e\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u53d6\u308a\u4e0a\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>DLL \u3092\u30ed\u30fc\u30c9\u3059\u308b\u3055\u3044\u3001\u307e\u305f\u306f\u65b0\u305f\u306a\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u3092\u30c8\u30ea\u30ac\u30fc\u3059\u308b\u3055\u3044\u306f\u3001\u53ef\u80fd\u306a\u9650\u308a\u5b8c\u5168\u4fee\u98fe\u30d1\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3002<\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/win32\/dlls\/dynamic-link-library-redirection\" target=\"_blank\" rel=\"noopener\">DLL \u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/a> \u3084 <a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/desktop\/SbsCs\/manifests\" target=\"_blank\" rel=\"noopener\">\u30de\u30cb\u30d5\u30a7\u30b9\u30c8<\/a> \u3092\u5229\u7528\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u3092\u3088\u308a\u9069\u5207\u306b\u5236\u5fa1\u3059\u308b\u3053\u3068\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3055\u3044\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u60f3\u5b9a\u3057\u306a\u3044\u3053\u3068\u3002\u3059\u3079\u3066\u306e OS \u3067\u610f\u56f3\u3069\u304a\u308a\u306b\u51e6\u7406\u3055\u308c\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u3002<\/li>\n<\/ul>\n<h2><a id=\"post-132756-_7ghaccxapcim\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u672c\u7a3f\u306f\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308b DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u5175\u5668\u5316\u624b\u6cd5\u306e\u7406\u89e3\u306b\u3042\u305f\u3063\u3066\u6c42\u3081\u3089\u308c\u308b\u6280\u8853\u7684\u80cc\u666f\u3092\u89e3\u8aac\u3057\u3001\u305d\u306e\u5b9f\u88c5\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u8aac\u660e\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u30b0\u30eb\u30fc\u30d7\u3084\u56fd\u5bb6\u652f\u63f4\u578b APT \u30b0\u30eb\u30fc\u30d7\u3092\u542b\u3080\u3055\u307e\u3056\u307e\u306a\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3089\u304c\u3001\u3053\u3046\u3057\u305f\u624b\u6cd5\u3092\u3069\u306e\u3088\u3046\u306b\u5229\u7528\u3057\u3001\u307f\u305a\u304b\u3089\u306e\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3067\u30b9\u30c6\u30eb\u30b9\u6027\u3084\u6c38\u7d9a\u6027\u3092\u7dad\u6301\u3057\u3001\u7279\u6a29\u6607\u683c\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u3001\u5b9f\u4f8b\u3092\u4f7f\u3063\u3066\u793a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u74b0\u5883\u306b\u304a\u3044\u3066 DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u691c\u51fa\u30fb\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u3068\u308a\u3046\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2><a id=\"post-132756-_mf3k1d3b3om7\"><\/a><strong>\u4fdd\u8b77\u3068\u7de9\u548c\u7b56<\/strong><\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u88fd\u54c1\u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u306b\u306f\u3001\u5f0a\u793e\u306e\u88fd\u54c1\u30fb\u30b5\u30fc\u30d3\u30b9\u3092\u901a\u3058\u3001\u524d\u8ff0\u306e\u8105\u5a01\u306b\u95a2\u9023\u3059\u308b\u4ee5\u4e0b\u306e\u5bfe\u7b56\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u3068<a href=\"https:\/\/www.paloaltonetworks.jp\/products\/secure-the-network\/wildfire\" target=\"_blank\" rel=\"noopener\">Advanced WildFire<\/a> \u306f\u65e2\u77e5\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3068\u3057\u3066\u6b63\u78ba\u306b\u8b58\u5225\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">Advanced URL Filtering<\/a> \u3068 <a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/dns-security\" target=\"_blank\" rel=\"noopener\">DNS Security<\/a> \u306f\u540c\u8105\u5a01\u30b0\u30eb\u30fc\u30d7\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u3092\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3068\u3057\u3066\u8b58\u5225\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/cloud\" target=\"_blank\" rel=\"noopener\">Prisma Cloud<\/a>\n<ul>\n<li>WildFire \u7d71\u5408\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001<a href=\"https:\/\/docs.prismacloud.io\/en\/classic\/compute-admin-guide\/technology-overviews\/defender-architecture\" target=\"_blank\" rel=\"noopener\">Prisma Cloud Defender<\/a> \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u5206\u6790\u3059\u308b\u3055\u3044\u3001\u60aa\u610f\u306e\u3042\u308b\u30d0\u30a4\u30ca\u30ea\u30fc\u3092\u7279\u5b9a\u30fb\u5224\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<li>XSIAM \u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001Prisma Cloud Defender \u304c\u6709\u52b9\u306b\u306a\u308a\u3001\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u5185\u3067\u306e\u60aa\u610f\u306e\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u52d5\u4f5c\u3092\u30d6\u30ed\u30c3\u30af\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u65e2\u77e5\u306e\u60aa\u610f\u306e\u3042\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u884c\u3092\u9632\u6b62\u3059\u308b\u307b\u304b\u3001Local Analysis (\u30ed\u30fc\u30ab\u30eb\u5206\u6790) \u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3082\u3068\u3065\u304f\u6a5f\u68b0\u5b66\u7fd2\u3068 Behavioral Threat Protection \u306b\u3088\u3063\u3066\u672a\u77e5\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u884c\u3082\u9632\u6b62\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\" target=\"_blank\" rel=\"noopener\">Cortex XDR<\/a> \u3068 <a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xsiam\" target=\"_blank\" rel=\"noopener\">Cortex XSIAM<\/a>\n<ul>\n<li>\u65b0\u3057\u3044\u6c4e\u7528 Analytics DLL Hijacking \u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066\u3001\u65e2\u77e5\u304a\u3088\u3073\u65b0\u898f\u306e DLL \u30cf\u30a4\u30b8\u30e3\u30c3\u30ad\u30f3\u30b0\u653b\u6483\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<\/li>\n<li>\u65e2\u77e5\u306e\u60aa\u610f\u306e\u3042\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u884c\u3092\u9632\u6b62\u3059\u308b\u307b\u304b\u3001Local Analysis (\u30ed\u30fc\u30ab\u30eb\u5206\u6790) \u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3082\u3068\u3065\u304f\u6a5f\u68b0\u5b66\u7fd2\u3068 <a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-threat-prevention\" target=\"_blank\" rel=\"noopener\">Behavioral Threat Protection<\/a> \u306b\u3088\u3063\u3066\u672a\u77e5\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u884c\u3082\u9632\u6b62\u3057\u307e\u3059\u3002<\/li>\n<li>Cortex XDR 3.4 \u304b\u3089\u5229\u7528\u53ef\u80fd\u306b\u306a\u3063\u305f\u65b0\u305f\u306a Credential Gathering Protection \u3092\u4f7f\u3044\u3001\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb\u3092\u53ce\u96c6\u3059\u308b\u30c4\u30fc\u30eb\u3084\u624b\u6cd5\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/li>\n<li>Cortex XDR \u30d0\u30fc\u30b8\u30e7\u30f3 3.4 \u3067\u65b0\u305f\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f Anti-Webshell Protection \u3092\u4f7f\u3044\u3001\u8105\u5a01\u306b\u3088\u308b Web \u30b7\u30a7\u30eb\u304b\u3089\u306e\u30b3\u30de\u30f3\u30c9\u306e\u30c9\u30ed\u30c3\u30d7\u3084\u5b9f\u884c\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/li>\n<li>Anti-Exploitation \u30e2\u30b8\u30e5\u30fc\u30eb\u3068 Behavioral Threat Protection \u3092\u4f7f\u3044\u3001 ProxyShell \u3084 ProxyLogon \u542b\u3080\u3001\u3055\u307e\u3056\u307e\u306a\u8106\u5f31\u6027\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/li>\n<li>Cortex XDR Pro \u306f\u632f\u308b\u821e\u3044\u5206\u6790\u306b\u3088\u308a\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb \u30d9\u30fc\u30b9\u653b\u6483\u3092\u542b\u3080\u3001<a href=\"https:\/\/docs.paloaltonetworks.com\/cortex\/cortex-xdr\/cortex-xdr-analytics-alert-reference\/cortex-xdr-analytics-alert-reference\/analytics-alerts-by-required-data-source\" target=\"_blank\" rel=\"noopener\">\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5f8c\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3<\/a>\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0<\/a>\u304b\u3089\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001infojapan@paloaltonetworks.com\u307e\u3067\u30e1\u30fc\u30eb\u306b\u3066\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001\u4e0b\u8a18\u306e\u96fb\u8a71\u756a\u53f7\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044(\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u69d8\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<ul>\n<li>\u5317\u7c73\u30d5\u30ea\u30fc\u30c0\u30a4\u30e4\u30eb: 866.486.4842 (866.4.UNIT42)<\/li>\n<li>EMEA: +31.20.299.3130<\/li>\n<li>APAC: +65.6983.8730<\/li>\n<li>\u65e5\u672c: (+81) 50-1790-0200<\/li>\n<\/ul>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3001\u3053\u308c\u3089\u306e\u8abf\u67fb\u7d50\u679c\u3092 Cyber Threat Alliance (CTA: \u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u30a2\u30e9\u30a4\u30a2\u30f3\u30b9) \u306e\u30e1\u30f3\u30d0\u30fc\u3068\u5171\u6709\u3057\u307e\u3057\u305f\u3002CTA \u306e\u30e1\u30f3\u30d0\u30fc\u306f\u3053\u306e\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u3001\u304a\u5ba2\u69d8\u306b\u4fdd\u8b77\u3092\u8fc5\u901f\u306b\u63d0\u4f9b\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u8005\u3092\u4f53\u7cfb\u7684\u306b\u963b\u5bb3\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u306f <a href=\"https:\/\/www.cyberthreatalliance.org\" target=\"_blank\" rel=\"noopener\">Cyber Threat Alliance<\/a> \u306b\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\uff61<\/p>\n<h2><a id=\"post-132756-_ydqdbjg0dngh\"><\/a><strong>IoC (\u4fb5\u5bb3\u6307\u6a19)<\/strong><\/h2>\n<p>\u4ee5\u4e0b\u306f\u672c\u7a3f\u3067\u4f7f\u3063\u305f\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u306e SHA256 \u30cf\u30c3\u30b7\u30e5\u3067\u3059\u3002<\/p>\n<h3><a id=\"post-132756-_6cbfv7x4q36q\"><\/a>AsyncRAT ZIP<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">26fc0efa8458326086266aae32ec31b512adddd1405f4dd4e1deed3f55f7b30d<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">0709e3958f343346406c5a26029748f5d15101d3b7d8b8c1119f7642754ae64e<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">5e50329c4bcb67a1220f157744e30203727f5a55e08081d1ae65c0db635ce59d<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">af8baffceafeda320eab814847dee4df74020cc4b96a4907816335ad9b03c889<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">c3ec461e8f3d386a8c49228a21767ff785840bc9ae53377f07ff52d0ccba1ccf<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">e00918a579ced5783cefc27b1e1f9f0bc5b0f93a32d4a7170c7466b34cc360df<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">e41f58d82394853fc49f2cccae07c06504cc1d1f3d49ba6bfd8f8762948b7c16<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">eadd74bbb7df21e45abc07c065876ba831978185c9e0845f19e86c151439020a<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_zamcolioeqeq\"><\/a>AsyncRAT<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">54fc9f4699d8fb59ce1635df5aaa2994b5d924d7b4d7626e1b5d9a406bef899d<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">10fec9bf8d695ab14b1329cc6ca6d303d87617ffa76e3e4cc46f8f542e062d70<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">69985edc2510803cfd862bdf87c59cc963be1bde5e08a0f10c0fd109c2134eab<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">2ea71c9cbb949e96da71716d8a431952632b954c7fc5ba87e6f84684957f07ef<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">a8b7aaede89c587525906fa24f392b1ce0b4a73c6193eb6db95b586ae378649c<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">27b8bfe997400a956cd7ec9a3f68e198fe690562d909185b7d41b1e9ce31c53f<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">e4fdc02f196cedb98d2098b6993f6e28976abe9b5c8e9f9752dea493b9d1dcb9<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_g4c6vub25227\"><\/a>PlugX ZIP<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">86a5ce23cf54d75d9c8d9402e233d00f8f84a31324ae8e52da6172e987d9a87b<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">dca39474220575004159ecff70054bcf6239803fcf8d30f4e2e3907b5b97129c<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_8rsk0yhfhawa\"><\/a>PlugX \u30ed\u30fc\u30c0\u30fc<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">12c584a685d9dffbee767d7ad867d5f3793518fb7d96ab11e3636edcc490e1bd<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_sbb9kup5m29h\"><\/a>PlugX dat \u30d5\u30a1\u30a4\u30eb<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">95205b92d597489b33854e70d86f16d46201803a1a9cb5379c0d6b7c0784dbc7<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_rne5oygrnbal\"><\/a>PlugX LNK \u30d5\u30a1\u30a4\u30eb<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">515fd058af3dfd2d33d49b7c89c11c6ef04c6251190536ca735a27e5388aa7e7<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_pwekt0cungmb\"><\/a>Dridex<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">f101cc7885e44eee63713a71bba85baa7c135a9b1fe49480e05fc872f84993e7<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3f98a3e8ea69daf06e6da6e8d495bba42e575dbd0ba26f5e6035efb017545be1<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">2f043922d42fbef8d1a08395bf0928d6181863c44b53bccc8c3806796db1c50e<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">25085c4f707583052d7070ddb5473bb0684e588694279c7f85e4c17e36837074<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">8a1c5858440a3eaa91f7442b7453127432f240637d22793dca6bfe5406776fbe<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">fbc4421f8454139f4e2ebd808ebb224c0d773b0d62f69ef2270da386a4aab3e7<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">0d4a7b43b5dbe8b8492c51a3f7595c8e188d558390ee1ab0586d1315b98619c9<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">98ebb3e797e19e0e6aeffc6d03e7ad5ce76f941a175c3cacc3a7f0056d224f95<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">0989a9be27bdc8827008f1837e62d88a077f8541a7b080e367b08facd9382962<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">4a6ebd82b30063c73283b5364e34fc735ad05b5dd62bfa77f38617e9b2937444<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_jtfaszqi6zcq\"><\/a>ToneShell \u306e Persistence (\u6c38\u7d9a\u6027) \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">2f5cf595ac4d6a59be78a781c5ba126c2ff6d6e5956dc0a7602e6ba8e6665694<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">0f2f0458d2f1ac4233883e96fe1f4cc6db1551cdcfdd49c43311429af03a1cd5<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">011fe9974f07cb12ba30e69e7a84e5cb489ce14a81bced59a11031fc0c3681b7<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3fc4d023d96f339945683f6dc7d9e19a9a62b901bef6dc26c5918ce9508be273<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3a429b8457ad611b7c3528e4b41e8923dd2aee32ccd2cc5cf5ff83e69c1253c2<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">f58d3d376c8e26b4ae3c2bbaa4ae76ca183f32823276e6432a945bcbc63266d9<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">46c6ee9195f3bd30f51eb6611623aad1ba17f5e0cde0b5523ab51e0c5b641dbf<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">86140e6770fbd0cc6988f025d52bb4f59c0d78213c75451b42c9f812fe1a9354<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_10tdz5igcvox\"><\/a>ToneShell \u306e Networking (\u30cd\u30c3\u30c8\u30ef\u30fc\u30af) \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">a08e0d1839b86d0d56a52d07123719211a3c3d43a6aa05aa34531a72ed1207dc<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">19d07dbc58b8e076cafd98c25cae5d7ac6f007db1c8ec0fae4ce6c7254b8f073<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">8e801d3a36decc5e4ce6fd3e8e45b098966aef8cbe7535ed0a789575775a68b6<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">df4ba449f30f3ed31a344931dc77233b27e06623355ece23855ee4fe8a75c267<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">345ef3fb73aa75538fdcf780d2136642755a9f20dbd22d93bee26e93fb6ab8fd<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3a5e69786ac1c458e27d38a966425abb6fb493a41110393a4878c811557a3b5b<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_tq2zmbs0ufzo\"><\/a>ToneShell \u306e Functionality (\u6a5f\u80fd) \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">66b7983831cbb952ceeb1ffff608880f1805f1df0b062cef4c17b258b7f478ce<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">f2a6a326fb8937bbc32868965f7475f4af0f42f3792e80156cc57108fc09c034<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">dafa952aacf18beeb1ebf47620589639223a2e99fb2fa5ce2de1e7ef7a56caa0<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">52cd066f498a66823107aed7eaa4635eee6b7914acded926864f1aae59571991<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_tjdgs3348i9c\"><\/a>CatB \u30ed\u30fc\u30c0\u30fc<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3661ff2a050ad47fdc451aed18b88444646bb3eb6387b07f4e47d0306aac6642<\/span><\/li>\n<\/ul>\n<h3><a id=\"post-132756-_ntvyyq4t0ypb\"><\/a>CatB \u30da\u30a4\u30ed\u30fc\u30c9<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">c8e0aa3b859ac505c2811eaa7e2004d6e3b351d004739e2a00a7a96f3d12430c<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">83129ed45151a706dff8f4e7a3b0736557f7284769016c2fb00018d0d3932cfa<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">35a273df61f4506cdb286ecc40415efaa5797379b16d44c240e3ca44714f945b<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">9990388776daa57d2b06488f9e2209e35ef738fd0be1253be4c22a3ab7c3e1e2<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30ea\u30f3\u30af \u30e9\u30a4\u30d6\u30e9\u30ea\u30fc (DLL) \u306e\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306f\u6700\u3082\u53e4\u3044\u624b\u6cd5\u306e 1 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