{"id":44396,"date":"2021-09-16T10:00:51","date_gmt":"2021-09-16T01:00:51","guid":{"rendered":"https:\/\/www.creationline.com\/?p=44396"},"modified":"2021-09-14T15:24:01","modified_gmt":"2021-09-14T06:24:01","slug":"%e8%84%85%e5%a8%81%ef%bc%9a%e3%82%b3%e3%83%b3%e3%83%86%e3%83%8a%e3%81%b8%e3%81%ae%e6%94%bb%e6%92%83%e3%81%ab%e4%bd%bf%e3%82%8f%e3%82%8c%e3%82%8b%e9%ab%98%e5%ba%a6%e3%81%aa%e6%8c%81%e7%b6%9a%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/aquasecurity\/44396","title":{"rendered":"\u8105\u5a01\uff1a\u30b3\u30f3\u30c6\u30ca\u3078\u306e\u653b\u6483\u306b\u4f7f\u308f\u308c\u308b\u9ad8\u5ea6\u306a\u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483\u6280\u8853 #aqua #\u30b3\u30f3\u30c6\u30ca #\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3"},"content":{"rendered":"<p>\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672021\u5e748\u670826\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c<a href=\"https:\/\/blog.aquasec.com\/advanced-persistent-threat-techniques-container-attacks\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"> Advanced Persistent Threat Techniques Used in Container Attacks <\/a>\u300d\u306e\u65e5\u672c\u8a9e\u7ffb\u8a33\u3067\u3059\u3002<\/p>\n<p><center><img loading=\"lazy\" decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/08\/1aff8a7dbb2760b6227c6c1021104b47.png\" alt=\"\" width=\"869\" height=\"422\" class=\"alignnone size-full wp-image-44397\" srcset=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/08\/1aff8a7dbb2760b6227c6c1021104b47.png 869w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/08\/1aff8a7dbb2760b6227c6c1021104b47-360x175.png 360w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/08\/1aff8a7dbb2760b6227c6c1021104b47-768x373.png 768w\" sizes=\"auto, (max-width: 869px) 100vw, 869px\" \/><\/center><\/p>\n<h2>\u30b3\u30f3\u30c6\u30ca\u3078\u306e\u653b\u6483\u306b\u4f7f\u308f\u308c\u308b\u9ad8\u5ea6\u306a\u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483\u6280\u8853<\/h2>\n<hr \/>\n<p>Aqua \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u30c1\u30fc\u30e0\u3067\u3042\u308b Team Nautilus \u306f\u3001\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3092\u6a19\u7684\u3068\u3057\u305f\u96c6\u4e2d\u7684\u306a\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3092\u691c\u77e5\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u306f\u3001\u901a\u5e38\u306f\u56fd\u5bb6\u30ec\u30d9\u30eb\u306e\u8105\u5a01\u3067\u5229\u7528\u3055\u308c\u308b\u624b\u6cd5\u3067\u3042\u308b\u3001 APT(Advanced Persistent Threat = \u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483)\u306e\u624b\u6cd5\u304c\u7528\u3044\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001\u653b\u6483\u8005\u306f2\u7a2e\u985e\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u81ea\u5206\u305f\u3061\u306e\u5b58\u5728\u3092\u96a0\u3057\u3001\u88ab\u5bb3\u8005\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u3059\u308b\u6301\u7d9a\u7684\u30a2\u30af\u30bb\u30b9\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30d6\u30ed\u30b0\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u6280\u8853\u3092\u8a73\u3057\u304f\u5206\u6790\u3057\u3001\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u304c\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3001\u305d\u3057\u3066\u653b\u6483\u8005\u304c\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6\u74b0\u5883\u3092\u653b\u6483\u3059\u308b\u305f\u3081\u306b\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3092\u3069\u306e\u3088\u3046\u306b\u5229\u7528\u3057\u3066\u3044\u308b\u304b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306e\u7d39\u4ecb<\/h3>\n<p>\u56fd\u5bb6\u304c\u652f\u63f4\u3059\u308b\u653b\u6483\u8005\u306f\u3001\u76ee\u7684\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u6700\u5148\u7aef\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3084 APT \u6280\u8853\u3092\u958b\u767a\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30ed\u30b7\u30a2\u306e\u8adc\u5831\u6a5f\u95a2(GRU)\u304c Linux \u30b7\u30b9\u30c6\u30e0\u3092\u6a19\u7684\u3068\u3057\u3066\u958b\u767a\u3057\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u300cDrovorub\u300d\u306f\u3001\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u300cDrovorub-kernel module\u300d\u3092\u4f7f\u7528\u3057\u3066\u3001\u81ea\u5206\u81ea\u8eab\u3084\u305d\u306e\u4ed6\u306e\u30d5\u30a1\u30a4\u30eb\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u96a0\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u300cTunnelSnake\u300d\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306b\u304a\u3044\u3066\u3001\u4e2d\u56fd\u8a9e\u3092\u8a71\u3059\u653b\u6483\u8005\u304c\u7d44\u7e54\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5bc6\u304b\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u305f\u3081\u306b\u63a1\u7528\u3057\u305f\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u300cMoriya\u300d\u3082\u305d\u306e\u4e00\u4f8b\u3067\u3059\u3002<\/p>\n<p>\u3067\u306f\u3001\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3068\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\u3002\u307e\u305f\u3001\u4f55\u306b\u4f7f\u308f\u308c\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3068\u306f\u3001\u300croot\u300d\u3068\u300ckit\u300d\u3092\u5408\u6210\u3057\u305f\u8a00\u8449\u3067\u3001\u305d\u306e\u5b58\u5728\u3092\u96a0\u3057\u306a\u304c\u3089\u3001\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u7d99\u7d9a\u7684\u306a\u7279\u6a29\u7684\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u3001\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306b\u306f\u5927\u304d\u304f\u5206\u3051\u3066\u300c\u30e6\u30fc\u30b6\u7a7a\u9593\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u300d\u3068\u300c\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u300d\u306e2\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002\u524d\u8005\u306f\u30e6\u30fc\u30b6\u7a7a\u9593\u3067\u52d5\u4f5c\u3057\u3001\u30d0\u30a4\u30ca\u30ea\u304b\u3089\u30e9\u30a4\u30d6\u30e9\u30ea\u3078\u306e\u547c\u3073\u51fa\u3057\u3092\u508d\u53d7\u30fb\u5909\u66f4\u3057\u307e\u3059\u3002\u5f8c\u8005\u306f\u6700\u3082\u5e83\u7bc4\u306a\u30e6\u30fc\u30b6\u7279\u6a29\u3092\u63d0\u4f9b\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5168\u30d7\u30ed\u30bb\u30b9\u3092\u5236\u5fa1\u3067\u304d\u308b\u305f\u3081\u3001\u3088\u308a\u5371\u967a\u3067\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6\u74b0\u5883\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u901a\u5e38\u30db\u30b9\u30c8\u4e0a\u3067\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3092\u5b9f\u884c\u3057\u3066\u60aa\u610f\u306e\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u96a0\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u5316\u3055\u308c\u305f\u74b0\u5883\u304b\u3089\u629c\u3051\u51fa\u3057\u305f\u5f8c\u306b\u767a\u898b\u3055\u308c\u308b\u53ef\u80fd\u6027\u3092\u4f4e\u304f\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306f\u3001\u30e6\u30fc\u30b6\u7a7a\u9593\u306e\u95a2\u6570(LD_PRELOAD \u306e\u4f7f\u7528\u306a\u3069)\u3084\u30d0\u30a4\u30ca\u30ea\u3092\u4e0a\u66f8\u304d\u3059\u308b\u305f\u3081\u306b\u3082\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>\u30d1\u30d6\u30ea\u30c3\u30af\u306b\u6a2a\u884c\u3057\u3066\u3044\u308b\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8<\/h3>\n<p>TeamTNT \u304c\u6700\u8fd1\u884c\u3063\u305f\u3001\u6570\u5341\u53f0\u306e\u30db\u30b9\u30c8\u3092\u5bfe\u8c61\u3068\u3057\u305f\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u306f\u3001\u901a\u5e38 APT \u304c\u5229\u7528\u3059\u308b\u9ad8\u5ea6\u306a\u6280\u8853\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306f\u3001\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6\u74b0\u5883\u3092\u5bfe\u8c61\u3068\u3057\u3066\u304a\u308a\u3001\u7279\u306b\u60aa\u610f\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u653b\u6483\u91cf\u306f\u65e5\u3054\u3068\u306b\u5897\u52a0\u3057\u3066\u3044\u3066\u3001\u611f\u67d3\u3057\u305f\u30db\u30b9\u30c8\u306b\u306f\u6570\u767e\u4ef6\u306e\u653b\u6483\u3001\u5168\u4f53\u5e73\u5747\u3067\u306f1\u65e520\u4ef6\u306e\u653b\u6483\u304c\u3042\u308a\u30011\u65e5\u5e73\u5747 20 \u56de\u306e\u653b\u6483\u304c\u884c\u308f\u308c\u3001\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306f\u73fe\u5728\u3082\u7d99\u7d9a\u4e2d\u3067\u3059\u3002<\/p>\n<p><center>1\u65e5\u306e\u653b\u6483\u91cf(2021\u5e745\u6708\uff5e2021\u5e748\u6708)<\/center><br \/>\n<center>\u7cfb\u52171-\u653b\u6483\u306e\u91cf\u3001\u7cfb\u52172-1\u65e5\u3042\u305f\u308a\u306e\u65b0\u898f\u611f\u67d3\u30db\u30b9\u30c8\u6570<\/center><\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture1-Aug-24-2021-09-33-28-61-AM.jpg?width=800&name=Picture1-Aug-24-2021-09-33-28-61-AM.jpg\" alt=\"\" \/><\/center><\/p>\n<p>\u305d\u308c\u305e\u308c\u306e\u653b\u6483\u306b\u304a\u3044\u3066\u3001\u6b21\u306e\u3088\u3046\u306a\u30b9\u30c6\u30c3\u30d7\u304c\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li><b>\u30d0\u30cb\u30e9\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\uff1a<\/b>\u653b\u6483\u8005\u306f Alpine \u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\n<li><b>\u30db\u30b9\u30c8\u3078\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\uff1a<\/b>\u653b\u6483\u8005\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\u305f\u3081\u306b\u30db\u30b9\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u30de\u30a6\u30f3\u30c8\u3057\u3001\u30db\u30b9\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u884c\u3044\u307e\u3059\u3002\n<li><b>\u60aa\u610f\u306e\u3042\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff1a<\/b>\u30db\u30b9\u30c8\u306b\u8131\u51fa\u3057\u305f\u5f8c\u3001\u30ea\u30e2\u30fc\u30c8\u30bd\u30fc\u30b9\u304b\u3089\u60aa\u610f\u306e\u3042\u308b\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8(cronb.sh)\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u3092cron\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u30b7\u30b9\u30c6\u30e0\u306b\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\n<li><b>\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30ed\u30fc\u30c9\u3068\u5b9f\u884c\uff1a<\/b>cronb.sh \u3068\u3044\u3046\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30da\u30a4\u30ed\u30fc\u30c9\u3068\u306a\u308a\u3001\u653b\u6483\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\n<\/ol>\n<p>\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u306f\u3001\u81ea\u5206\u305f\u3061\u306e\u5b58\u5728\u3092\u96a0\u3059\u305f\u3081\u306b\u3001\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3067\u3042\u308b Diamorphine \u3068\u3001\u30e6\u30fc\u30b6\u7a7a\u9593\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3068\u3055\u308c\u308b\u30d0\u30a4\u30ca\u30ea\u3092\u5909\u66f4\u3059\u308b\u624b\u6cd5\u306e 2 \u7a2e\u985e\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u5bfe\u8c61\u3068\u306a\u308b\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3078\u306e\u521d\u671f\u30a2\u30af\u30bb\u30b9\u3092\u7372\u5f97\u3057\u3001\u30db\u30b9\u30c8\u306b\u5bfe\u3059\u308b\u6301\u7d9a\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7a2e\u306e\u653b\u6483\u3067\u5206\u304b\u308a\u3084\u3059\u3044\u3082\u306e\u306f\u3001\u30af\u30ea\u30d7\u30c8\u30de\u30a4\u30ca\u30fc\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u30ea\u30bd\u30fc\u30b9\u3092\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3067\u306f\u30db\u30b9\u30c8\u306e CPU \u4f7f\u7528\u7387\u304c\u4e0a\u304c\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u8996\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u6355\u6349\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u3067\u3059\u304c\u3001\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u306f CPU \u306e\u4f7f\u7528\u7387\u306e\u9ad8\u3055\u3092\u96a0\u3059\u3053\u3068\u304c\u3067\u304d\u3001\u691c\u77e5\u3055\u308c\u308b\u53ef\u80fd\u6027\u3092\u4f4e\u304f\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u653b\u6483\u30d5\u30ed\u30fc\u306e\u5206\u6790<\/h3>\n<p>\u653b\u6483\u304c\u3069\u306e\u3088\u3046\u306b\u884c\u308f\u308c\u3066\u3044\u308b\u306e\u304b\u3001\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h4>\u30d7\u30e9\u30f3A:\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u300cDiamorphine\u300d\u3092\u8aad\u307f\u8fbc\u3080<\/h4>\n<p>\u653b\u6483\u306e\u969b\u306b\u306f\u3001cronb.sh \u30b9\u30af\u30ea\u30d7\u30c8\u304c installdia() \u3068 securethesystem() \u3068\u3044\u3046 2 \u3064\u306e\u95a2\u6570\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u4e0b\u56f3\u3067\u306f\u3001installdia \u306b base64 \u3067\u6697\u53f7\u5316\u3055\u308c\u305f tar \u30d5\u30a1\u30a4\u30eb\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u304c Diamorphine \u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u653b\u6483\u8005\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u591a\u304f\u306e Linux \u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3(Ubuntu\u3001Debian\u3001Red Hat\u3001Fedora\u3001CentOS \u306a\u3069)\u3092\u7db2\u7f85\u3057\u3088\u3046\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30c6\u30b9\u30c8\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture2-1.png?width=620&name=Picture2-1.png\" alt=\"\" \/><\/center><\/p>\n<p>Diamorphine \u306f\u3001Linux \u30ab\u30fc\u30cd\u30eb\u7528\u306e LKM(loadable kernel module)\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3067\u3059\u3002\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u5185\u306b\u5b58\u5728\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u9ad8\u3044\u6a29\u9650\u3092\u53d6\u5f97\u3057\u3066\u60aa\u610f\u3042\u308b\u6d3b\u52d5\u3092\u96a0\u853d\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002LKM \u30d9\u30fc\u30b9\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306f\u975e\u5e38\u306b\u5f37\u529b\u3067\u3001\u653b\u6483\u8005\u306f\u30b7\u30b9\u30c6\u30e0\u5185\u3067\u307b\u307c\u3059\u3079\u3066\u306e\u3053\u3068\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u52d5\u4f5c\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u524d\u306b\u7d42\u4e86\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001LKM \u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306f\u3001\u653b\u6483\u8005\u304c\u305d\u308c\u3092\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306b\u3001root \u6a29\u9650\u307e\u305f\u306f CAP_SYS_MODULE capability \u3092\u5fc5\u8981\u3068\u3059\u308b\u305f\u3081\u3001\u4f7f\u7528\u3059\u308b\u306e\u306f\u3088\u308a\u56f0\u96e3\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001Diamorphine \u306f getdents()\u3001getdents64()\u3001kill()\u306e\u5404\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u30d5\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3001Linux \u30d7\u30ed\u30bb\u30b9\u306e\u8ffd\u8de1\u306b\u4f7f\u7528\u3055\u308c\u308b ps \u3084 top \u306a\u3069\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u78ba\u8a8d\u3067\u304d\u308b\u9ad8\u3044 CPU \u4f7f\u7528\u7387\u3092\u96a0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>cronb.sh \u3068\u3044\u3046\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4e2d\u3067\u3001Diamorphine \u306f\u5909\u6570\u3068\u3057\u3066\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u653b\u6483\u8005\u306f\u3053\u308c\u3092\u30c7\u30b3\u30fc\u30c9\u3057\u3066 tar \u30d5\u30a1\u30a4\u30eb(dia.tar.gz)\u3092\u4f5c\u6210\u3057\u30013\u3064\u306e\u30d5\u30a1\u30a4\u30eb(diamorphine.c\u3001diamorphine.h\u3001Makefile)\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u304c Diamorphine \u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u3001\u5143\u306e <a href=\"https:\/\/github.com\/m0nad\/Diamorphine\" rel=\"noopener\" target=\"_blank\">GitHub \u30ea\u30dd\u30b8\u30c8\u30ea<\/a>\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3068\u6bd4\u8f03\u3057\u305f\u3068\u3053\u308d\u3001\u9055\u3044\u306f\u898b\u3089\u308c\u305a\u3001\u653b\u6483\u8005\u304c Diamorphine \u306b\u4f55\u306e\u5909\u66f4\u3082\u52a0\u3048\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001Diamorphine \u306e\u30b3\u30fc\u30c9\u304c\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u3001\u30ab\u30fc\u30cd\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300cdiamorphine.ko\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Diamorphine \u306e\u6e96\u5099\u304c\u3067\u304d\u305f\u306e\u3067\u3001\u653b\u6483\u8005\u304c\u3069\u306e\u3088\u3046\u306b\u305d\u308c\u3092\u5229\u7528\u3057\u3001Diamorphine \u306e\u30d3\u30eb\u30c9\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u306e\u4ee3\u66ff\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306b\u5207\u308a\u66ff\u3048\u308b\u306e\u304b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>cronb.sh \u30b9\u30af\u30ea\u30d7\u30c8\u306e 2 \u756a\u76ee\u306e\u95a2\u6570\u306f securethesystem() \u3067\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture3-1.jpg?width=750&name=Picture3-1.jpg\" alt=\"\" \/><\/center><\/p>\n<p>\u6700\u521d\u306e\u884c\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u30e6\u30fc\u30b6\u304c root \u6a29\u9650\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002Diamorphine \u306f LKM \u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3067\u3042\u308b\u305f\u3081\u3001root \u30e6\u30fc\u30b6\u3067\u306a\u3051\u308c\u3070\u5b9f\u884c\u3067\u304d\u307e\u305b\u3093\u3002\u653b\u6483\u8005\u304c root \u6a29\u9650\u3092\u6301\u3063\u3066\u3044\u308b\u3068\u4eee\u5b9a\u3057\u3066\u3001\u300csetup_dia\u300d\u3092\u5b9f\u884c\u3057\u3066 Diamorphine \u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u306e\u30b3\u30fc\u30c9\u304b\u3089\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u653b\u6483\u8005\u304c\u8a2d\u5b9a\u3057\u305f\u7279\u5b9a\u306e\u30d1\u30b9\u306b\u300cdiamorphine.ko\u300d(\u30ab\u30fc\u30cd\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u542b\u3080\u30ed\u30fc\u30c9\u53ef\u80fd\u306a\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb)\u304c\u5b58\u5728\u3059\u308c\u3070\u3001insmod diamorphine.ko \u3067 Diamorphine \u304c\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059(insmod \u306f\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u633f\u5165\u3059\u308b\u30b3\u30de\u30f3\u30c9)\u3002<\/p>\n<h4>\u30d7\u30e9\u30f3B(\u30d7\u30e9\u30f3A\u5931\u6557\u6642):\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h4>\n<p>\u30d7\u30e9\u30f3A\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u3001\u653b\u6483\u8005\u306f Diamorphine \u306e\u4ee3\u308f\u308a\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u306b\u5b58\u5728\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u884c\u52d5\u3092\u30ab\u30fc\u30cd\u30eb\u306b\u4ef2\u4ecb\u3059\u308b\u30e6\u30fc\u30b6\u7a7a\u9593\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002\u3053\u306e\u7a2e\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306f\u3001\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3084\u30b7\u30b9\u30c6\u30e0\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u7f6e\u304d\u63db\u3048\u3066\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u52d5\u4f5c\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u507d\u306e\u60c5\u5831\u3092\u8868\u793a\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u3053\u308c\u3092\u4f7f\u3063\u3066 top\u3001ps\u3001pstree \u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4e0a\u56f3\u3067\u306f\u3001\u30d0\u30a4\u30ca\u30ea ps \u306e\u540d\u524d\u3092 ps.original \u306b\u7f6e\u304d\u63db\u3048\u3066\u3044\u307e\u3059\u3002\u6b21\u306b\u3001\u653b\u6483\u8005\u306f\u540c\u3058\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3001\u5143\u306e\u540d\u524d(ps)\u3067\u3001ext4 \u3084 scan \u3092\u8868\u793a\u3057\u306a\u3044\u3068\u3044\u3046\u4f8b\u5916\u3092\u6301\u3064\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u8ffd\u52a0\u3057\u307e\u3059(ps.original $@ | grep -v \"ext4&#124;scan\")\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u304c ps \u3092\u547c\u3073\u51fa\u3057\u3066\u3082\u3001ext4 \u95a2\u9023\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3059\u3079\u3066\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u306a\u305c ext4 \u304c\u305d\u3093\u306a\u306b\u91cd\u8981\u306a\u306e\u304b\u3001\u3068\u3044\u3046\u7591\u554f\u304c\u6b8b\u308a\u307e\u3059\u3002\u4e0b\u56f3\u306f\u3001\u3053\u306e\u70b9\u3092\u660e\u3089\u304b\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture4-1.png?width=600&name=Picture4-1.png\" alt=\"\" \/><\/center><\/p>\n<p>ext4 \u306e\u4e0b\u306b\u3001\u653b\u6483\u8005\u306f\u30b3\u30fc\u30c9\u5185\u306e\u4ed6\u306e\u60aa\u610f\u306e\u3042\u308b\u8981\u7d20\u306e\u4e2d\u306b\u3001\u30af\u30ea\u30d7\u30c8\u30de\u30a4\u30ca\u30fc(XMRIG)\u3068\u305d\u306e\u8a2d\u5b9a\u3092\u96a0\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture5-1.jpg?width=600&name=Picture5-1.jpg\" alt=\"\" \/><\/center><\/p>\n<p>ext4 \u3068\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u540d\u79f0\u3067\u3059\u3002\u307e\u305f\u3001\u8105\u5a01\u306e\u4e3b\u4f53\u306f\u3001\u3053\u308c\u3092 systemd \u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u30ab\u30e2\u30d5\u30e9\u30fc\u30b8\u30e5\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u60aa\u610f\u306e\u306a\u3044\u3082\u306e\u306b\u898b\u3048\u3001\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306f\u95a2\u9023\u3059\u308b\u3059\u3079\u3066\u306e\u60aa\u610f\u306e\u3042\u308b\u30a2\u30a4\u30c6\u30e0\u3092 ext4 \u306e\u4e0b\u306b\u5bb9\u6613\u306b\u96a0\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n<h3>Diamorphine\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306e\u5206\u6790<\/h3>\n<p>Diamorphine \u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u6df1\u304f\u6398\u308a\u4e0b\u3052\u308b\u3068\u3001\u305d\u306e\u624b\u6cd5\u306e\u8a73\u7d30\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3059\u3002\u3059\u3067\u306b\u8ff0\u3079\u305f\u3088\u3046\u306b\u3001Diamorphine \u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306f\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u305d\u306e\u76ee\u7684\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b2\u3064\u306e\u30b3\u30a2\u6280\u8853\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3059\u3002<\/p>\n<h4>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3068\u5185\u90e8\u95a2\u6570\u306e\u30d5\u30c3\u30af<\/h4>\n<p>\u3053\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u3092\u64cd\u4f5c\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u624b\u6cd5\u306e1\u3064\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u4f7f\u7528\u3059\u308b\u95a2\u6570\u3092\u30d5\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d41\u308c\u3092\u5909\u66f4\u3057\u307e\u3059\u3002\u3053\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u6301\u3059\u308b syscall \u30c6\u30fc\u30d6\u30eb\u3092\u30ed\u30fc\u30c9\u3057\u3066\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002\u4e0b\u56f3\u3067\u306f\u3001syscall \u30c6\u30fc\u30d6\u30eb\u3092\u30ed\u30fc\u30c9\u3059\u308b\u95a2\u6570\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture6-1.jpg?width=600&name=Picture6-1.jpg\" alt=\"\" \/><\/center><\/p>\n<p>\u4e0b\u56f3\u3067\u306f\u3001\u30b3\u30fc\u30c9\u306e\u4e2d\u3067\u3053\u306e\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u90e8\u5206\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture7-1.jpg?width=600&name=Picture7-1.jpg\" alt=\"\" \/><\/center><\/p>\n<p>Diamorphine \u306f\u3001syscall \u30c6\u30fc\u30d6\u30eb\u306e\u30ed\u30fc\u30c9\u306b\u6210\u529f\u3057\u305f\u5f8c\u3001\u3044\u304f\u3064\u304b\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u64cd\u4f5c\u3057\u3066\u3001\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u672c\u6765\u306e\u95a2\u6570\u3067\u306f\u306a\u304f\u30ab\u30b9\u30bf\u30e0\u3055\u308c\u305f\u95a2\u6570\u3092\u6307\u3059\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u5143\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u8107\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture8-1.jpg?width=600&name=Picture8-1.jpg\" alt=\"\" \/><\/center><\/p>\n<p>\u4e0b\u8a18\u3067 Diamorphine \u306f getdents \u306b\u4ee3\u308f\u308b\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture9.jpg?width=600&name=Picture9.jpg\" alt=\"\" \/><\/center><\/p>\n<p>\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u3053\u306e2\u3064\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u5165\u308c\u66ff\u308f\u308b\u3053\u3068\u3067\u3001\u65b0\u3057\u3044\u30e6\u30fc\u30b6\u7a7a\u9593\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb(\u3064\u307e\u308a getdents)\u3092\u547c\u3073\u51fa\u3059\u3068\u3001\u8abf\u6574\u3055\u308c\u305f syscall \u30c6\u30fc\u30d6\u30eb\u304c\u65b0\u3057\u3044\u95a2\u6570(\u3064\u307e\u308a hacked_getdents)\u3092\u6307\u3059\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u4eca\u56de\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001Diamorphine \u306f getdents\u3001getdents64\u3001kill \u306e 3 \u3064\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u554f\u984c\u306f\u3001\u306a\u305c\u8ab0\u3082\u304c getdents \u3068 getdents64 \u3092\u30d5\u30c3\u30af\u3059\u308b\u306e\u304b\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u7b54\u3048\u306f\u3001<a href=\"https:\/\/xcellerator.github.io\/posts\/linux_rootkits_11\/\" rel=\"noopener\" target=\"_blank\">TheXcellerator<\/a> \u306b\u3088\u308b\u3053\u306e\u7d20\u6674\u3089\u3057\u3044\u30d6\u30ed\u30b0\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u307b\u3068\u3093\u3069\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u7a7a\u9593\u306e\u30c4\u30fc\u30eb\u306f\u3001\/proc\/ \u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u5185\u5bb9\u3092\u8aad\u307f\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u53cd\u6620\u3059\u308b ps \u3084 top \u306a\u3069\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u547c\u3073\u51fa\u3059\u3068\u3001getdents \u3084 getdents64 \u95a2\u6570\u3092\u4f7f\u3063\u3066\u7279\u5b9a\u306e\u7591\u4f3c\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0(\/proc)\u3092\u5217\u6319\u3057\u307e\u3059\u3002\u3053\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8(\u57fa\u672c\u7684\u306b\u307b\u3068\u3093\u3069\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8)\u306f\u3001\u3053\u308c\u3089\u306e\u95a2\u6570\u3092\u30d5\u30c3\u30af\u3057\u3066\u3001\u96a0\u3057\u305f\u3044\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u9023\u3059\u308b\u60c5\u5831\u3092\u524a\u9664\u3057\u3066\u8fd4\u3055\u308c\u308b\u5024\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u96a0\u3057\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture10.jpg?width=600&name=Picture10.jpg\" alt=\"\" \/><\/center><\/p>\n<h4>Direct kernel object manipulation(DKOM)<\/h4>\n<p>Diamorphine \u306f\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u52d5\u4f5c\u3092\u5909\u3048\u308b\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3067\u3059\u3002\u7279\u306b\u3001\u30ed\u30fc\u30c9\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3067\u3042\u308b lsmod \u304b\u3089\u81ea\u5206\u81ea\u8eab\u3092\u96a0\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Diamorphine \u304c\u81ea\u5206\u81ea\u8eab\u3092\u30ed\u30fc\u30c9\u3059\u308b\u969b\u306b\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u5185\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u3092\u5909\u66f4\u3059\u308b\u305f\u3081\u3001\u96a0\u308c\u305f\u307e\u307e\u3067\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture11.jpg?width=600&name=Picture11.jpg\" alt=\"\" \/><\/center><\/p>\n<p>\u307e\u305f\u3001DKOM \u306e\u624b\u6cd5\u306f\u30e6\u30fc\u30b6\u306e\u6a29\u9650\u3092\u6607\u683c\u3055\u305b\u308b\u305f\u3081\u306e\u300cgive root\u300d\u3068\u3044\u3046\u95a2\u6570\u306b\u3082\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture12.jpg?width=600&name=Picture12.jpg\" alt=\"\" \/><\/center><\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<hr \/>\n<p>\u3053\u306e\u30d6\u30ed\u30b0\u3067\u306f\u3001\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6\u74b0\u5883\u3092\u6a19\u7684\u3068\u3057\u305f\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001\u653b\u6483\u8005\u304c APT \u7d1a\u306e\u6280\u8853\u3092\u4f7f\u7528\u3057\u305f\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3092\u3001\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3057\u305f\u306e\u304b\u3092\u5206\u6790\u3057\u307e\u3057\u305f\u3002\u653b\u6483\u8005\u306f\u3001\u653b\u6483\u3092\u96a0\u3059\u305f\u3081\u306b\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u300cDiamorphine\u300d\u3092\u4f7f\u7528\u3057\u3001Diamorphine \u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u884c\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u5834\u5408\u306e\u4e88\u5099\u3068\u3057\u3066\u30e6\u30fc\u30b6\u7a7a\u9593\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u306e\u88ab\u5bb3\u306b\u906d\u3046\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001\u53d6\u308b\u3079\u304d\u5bfe\u7b56\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<h4>Linux\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u9069\u7528<\/h4>\n<p>\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u9032\u5316\u3084\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u691c\u51fa\u30fb\u7de9\u548c\u306e\u30bb\u30fc\u30d5\u30ac\u30fc\u30c9\u3092\u6d3b\u7528\u3059\u308b\u305f\u3081\u306b\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u306e\u30d9\u30f3\u30c0\u30fc\u304c\u63d0\u4f9b\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u7d99\u7d9a\u7684\u306b\u30c1\u30a7\u30c3\u30af\u3057\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001NSA \u3068 FBI \u306e\u5171\u540c\u5831\u544a\u66f8\u300c<a href=\"https:\/\/media.defense.gov\/2020\/Aug\/13\/2002476465\/-1\/-1\/0\/CSA_DROVORUB_RUSSIAN_GRU_MALWARE_AUG_2020.PDF\" rel=\"noopener\" target=\"_blank\">Russian GRU 85th GTsSS Deploys Previously Undisclosed Drovorub Malware<\/a>\u300d\u3067\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u7f72\u540d\u3092\u6700\u5927\u9650\u306b\u6d3b\u7528\u3059\u308b\u305f\u3081\u3001Linux Kernel 3.7 \u4ee5\u964d\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4>\u4fe1\u983c\u3055\u308c\u306a\u3044\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9632\u6b62<\/h4>\n<p>\u30b7\u30b9\u30c6\u30e0\u6240\u6709\u8005\u306f\u3001\u6709\u52b9\u306a\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3092\u6301\u3064\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u307f\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3088\u3046\u306b\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u304c\u60aa\u610f\u306e\u3042\u308b\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30b7\u30b9\u30c6\u30e0\u306b\u5c0e\u5165\u3059\u308b\u3053\u3068\u304c\u3088\u308a\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u60aa\u610f\u306e\u3042\u308b\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u5236\u5fa1\u3057\u305f\u308a\u3001\u96a0\u3057\u305f\u308a\u3001\u518d\u8d77\u52d5\u5f8c\u3082\u653b\u6483\u306e\u6301\u7d9a\u304c\u53ef\u80fd\u3067\u3059(National Security Agency\u5831\u544a)\u3002<\/p>\n<h4>Tracee \u3092\u4f7f\u7528\u3057\u3066\u30ab\u30fc\u30cd\u30eb\u306e\u64cd\u4f5c\u3092\u691c\u51fa<\/h4>\n<p>Tracee \u306f\u3001Linux \u7528\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30e9\u30f3\u30bf\u30a4\u30e0\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304a\u3088\u3073\u76e3\u67fb\u30c4\u30fc\u30eb\u3067\u3001Linux \u306e\u4e00\u822c\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u554f\u984c\u3092\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u69cb\u7bc9\u3055\u308c\u3066\u3044\u307e\u3059\u3002Tracee 0.5.0 \u4ee5\u964d\u3067\u306f\u3001\u904b\u7528\u62c5\u5f53\u8005\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005\u304c Tracee eBPF \u30c7\u30fc\u30bf\u53ce\u96c6\u30c4\u30fc\u30eb\u306e\u4e0a\u306b Rego \u30b7\u30b0\u30cd\u30c1\u30e3\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001Aqua \u306f\u300c<a href=\"https:\/\/github.com\/aquasecurity\/tracee\/blob\/main\/tracee-rules\/signatures\/rego\/kernel_module_loading.rego\" rel=\"noopener\" target=\"_blank\">Attempt to load a kernel module detection<\/a>\u300d\u306a\u3069\u306e\u57fa\u672c\u7684\u306a\u30b7\u30b0\u30cd\u30c1\u30e3\u3092\u8ffd\u52a0\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u5b9f\u52d9\u8005\u306f\u4e0d\u5be9\u306a\u30ab\u30fc\u30cd\u30eb\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u30ed\u30fc\u30c9\u3092\u691c\u51fa\u3067\u304d\u307e\u3059\u3002Tracee \u3092\u4f7f\u7528\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u7279\u6a29\u6607\u683c\u3092\u691c\u51fa\u3067\u304d\u308b\u304b\u306b\u3064\u3044\u3066\u306e\u3088\u308a\u8a73\u7d30\u306a\u5206\u6790\u306b\u3064\u3044\u3066\u306f\u3001\u300c<a href=\"https:\/\/www.youtube.com\/watch?v=LXP2tdBPNj8\" rel=\"noopener\" target=\"_blank\">Team Nautilus\u3042tBlackHat 2021<\/a>\u300d\u306e\u8b1b\u6f14\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u540c\u69d8\u306e\u6a5f\u80fd\u306f\u3001Aqua \u793e\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308b <a href=\"https:\/\/www.aquasec.com\/products\/container-analysis\/\" rel=\"noopener\" target=\"_blank\">Aqua Dynamic Threat Analysis(DTA)<\/a>\u306b\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u74b0\u5883\u5185\u3067\u30b3\u30f3\u30c6\u30ca\u306e\u52d5\u4f5c\u3092\u52d5\u7684\u306b\u5206\u6790\u3057\u3001\u9759\u7684\u306a\u30a4\u30e1\u30fc\u30b8\u30b9\u30ad\u30e3\u30f3\u3067\u306f\u691c\u51fa\u3055\u308c\u306a\u3044\u653b\u6483\u30d9\u30af\u30bf\u30fc\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h4>Aqua Enforcer\u306b\u3088\u308b\u30e6\u30fc\u30b6\u7a7a\u9593\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306e\u691c\u51fa<\/h4>\n<p>\u30d5\u30a1\u30a4\u30eb\u6574\u5408\u6027\u76e3\u8996(FIM)\u3068\u306f\u3001\u73fe\u5728\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u72b6\u614b\u3068\u65e2\u77e5\u306e\u826f\u597d\u306a\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3068\u306e\u9593\u306e\u691c\u8a3c\u65b9\u6cd5\u3092\u7528\u3044\u3066\u3001OS \u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u6574\u5408\u6027\u3092\u691c\u8a3c\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u524d\u8ff0\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u306e1\u3064\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30d0\u30a4\u30ca\u30ea\u306e\u540d\u524d\u3092\u5909\u66f4\u3057\u3001\u3053\u308c\u3089\u306e\u30d0\u30a4\u30ca\u30ea\u306e\u540d\u524d\u3092\u6301\u3064\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u633f\u5165\u3059\u308b\u624b\u6cd5\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002Aqua \u306e FIM \u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7d44\u7e54\u306f\u3053\u306e\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u5909\u66f4\u3092\u691c\u51fa\u3057\u3001\u74b0\u5883\u5185\u306e\u3053\u306e\u3088\u3046\u306a\u6d3b\u52d5\u306b\u5bfe\u51e6\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><center>\n\t\t<!--HubSpot Call-to-Action Code -->\n\t\t<span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-fecc193b-bbc5-40d2-9588-ed7b022af3aa\">\n\t\t<span class=\"hs-cta-node hs-cta-fecc193b-bbc5-40d2-9588-ed7b022af3aa\" id=\"fecc193b-bbc5-40d2-9588-ed7b022af3aa\">\n\t\t<!--[if lte IE 8]>\n\t\t<div id=\"hs-cta-ie-element\"><\/div>\n\t\t<![endif]-->\n\t\t<a href=\"https:\/\/cta-redirect.hubspot.com\/cta\/redirect\/6168413\/fecc193b-bbc5-40d2-9588-ed7b022af3aa\" >\n\t\t<img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-fecc193b-bbc5-40d2-9588-ed7b022af3aa\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/6168413\/fecc193b-bbc5-40d2-9588-ed7b022af3aa.png\"  alt=\"New call-to-action\"\/>\n\t\t<\/a>\n\t\t<\/span>\n\t\t<script charset=\"utf-8\" src=\"\/\/js.hubspot.com\/cta\/current.js\"><\/script>\n\t\t<script>\n\t\thbspt.cta.load(6168413, 'fecc193b-bbc5-40d2-9588-ed7b022af3aa', {});\n\t\t<\/script>\n\t\t<\/span>\n\t\t<!-- end HubSpot Call-to-Action Code -->\n\t\t<\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672021\u5e748\u670826\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c Advanced Persistent Threat Techniques Used in Container Attacks  [&#8230;]<\/p>\n","protected":false},"author":56,"featured_media":44397,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[176],"tags":[174,152,286,358],"class_list":["post-44396","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aquasecurity","tag-aqua","tag-aquasecurity","tag-286","tag-358"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u8105\u5a01\uff1a\u30b3\u30f3\u30c6\u30ca\u3078\u306e\u653b\u6483\u306b\u4f7f\u308f\u308c\u308b\u9ad8\u5ea6\u306a\u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483\u6280\u8853 #aqua #\u30b3\u30f3\u30c6\u30ca #\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"AquaSecurity |\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672021\u5e748\u670826\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c Advanced Persistent Threat\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/aquasecurity\/44396\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u8105\u5a01\uff1a\u30b3\u30f3\u30c6\u30ca\u3078\u306e\u653b\u6483\u306b\u4f7f\u308f\u308c\u308b\u9ad8\u5ea6\u306a\u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483\u6280\u8853 #aqua #\u30b3\u30f3\u30c6\u30ca #\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"og:description\" content=\"AquaSecurity |\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672021\u5e748\u670826\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c Advanced Persistent Threat\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/aquasecurity\/44396\" \/>\n<meta property=\"og:site_name\" content=\"Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/creationline\" \/>\n<meta property=\"article:published_time\" 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