{"id":60559,"date":"2023-04-27T10:00:52","date_gmt":"2023-04-27T01:00:52","guid":{"rendered":"https:\/\/www.creationline.com\/?p=60559"},"modified":"2023-04-26T18:03:38","modified_gmt":"2023-04-26T09:03:38","slug":"kubernetes%e3%81%aerbac%e3%82%92%e6%82%aa%e7%94%a8%e3%81%97%e3%81%9f%e3%82%af%e3%83%a9%e3%82%b9%e3%82%bf%e3%83%bc%e3%81%b8%e5%8f%b2%e4%b8%8a%e5%88%9d%e3%81%ae%e3%83%90%e3%83%83%e3%82%af%e3%83%89","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/aquasecurity\/60559","title":{"rendered":"Kubernetes\u306eRBAC\u3092\u60aa\u7528\u3057\u305f\u30af\u30e9\u30b9\u30bf\u30fc\u3078\u53f2\u4e0a\u521d\u306e\u30d0\u30c3\u30af\u30c9\u30a2\u653b\u6483 #aqua #\u30b3\u30f3\u30c6\u30ca #\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 #k8s #\u30d0\u30c3\u30af\u30c9\u30a2 #RBACBuster"},"content":{"rendered":"<p><center>\n\t\t<!--HubSpot Call-to-Action Code -->\n\t\t<span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-b7316cc2-2551-446e-b886-4eebeb35a249\">\n\t\t<span class=\"hs-cta-node hs-cta-b7316cc2-2551-446e-b886-4eebeb35a249\" id=\"b7316cc2-2551-446e-b886-4eebeb35a249\">\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\/b7316cc2-2551-446e-b886-4eebeb35a249\" >\n\t\t<img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-b7316cc2-2551-446e-b886-4eebeb35a249\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/6168413\/b7316cc2-2551-446e-b886-4eebeb35a249.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, 'b7316cc2-2551-446e-b886-4eebeb35a249', {});\n\t\t<\/script>\n\t\t<\/span>\n\t\t<!-- end HubSpot Call-to-Action Code -->\n\t\t<\/center>\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672023\u5e744\u670821\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c<a href=\"https:\/\/blog.aquasec.com\/leveraging-kubernetes-rbac-to-backdoor-clusters\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"> First-Ever Attack Leveraging Kubernetes RBAC to Backdoor Clusters <\/a>\u300d\u306e\u65e5\u672c\u8a9e\u7ffb\u8a33\u3067\u3059\u3002<\/p>\n<p><center><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-60560\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2023\/04\/3cc8cc9167feae4706f6bc81ce9c167a.png\" alt=\"\" width=\"865\" height=\"414\" \/><\/center><\/p>\n<h2>Kubernetes\u306eRBAC\u3092\u60aa\u7528\u3057\u305f\u30af\u30e9\u30b9\u30bf\u30fc\u3078\u53f2\u4e0a\u521d\u306e\u30d0\u30c3\u30af\u30c9\u30a2\u653b\u6483<\/h2>\n<hr \/>\n<p>\u3053\u306e\u305f\u3073\u3001\u653b\u6483\u8005\u304c Kubernetes(K8s) \u306e Role-Based Access Control (RBAC) \u3092\u60aa\u7528\u3057\u3066\u30d0\u30c3\u30af\u30c9\u30a2\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b\u8a3c\u62e0\u3092\u3001\u53f2\u4e0a\u521d\u3081\u3066\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u653b\u6483\u8005\u306f DaemonSet \u30ea\u30bd\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u3001\u653b\u6483\u3059\u308b K8s \u30af\u30e9\u30b9\u30bf\u30fc\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u638c\u63e1\u3057\u3066\u3001\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002\u79c1\u305f\u3061\u306e\u8abf\u67fb\u306b\u3088\u308b\u3068\u3001\u3053\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306f\u3001\u5c11\u306a\u304f\u3068\u3082 60 \u306e\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u7a4d\u6975\u7684\u306b\u72d9\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u30d6\u30ed\u30b0\u306f\u3001\u8aa4\u8a2d\u5b9a\u3055\u308c\u305f K8s \u30af\u30e9\u30b9\u30bf\u30fc\u306b\u3064\u3044\u3066 Aqua \u304c\u5b9f\u65bd\u3057\u305f\u5305\u62ec\u7684\u306a\u7814\u7a76\u306e\u4e00\u90e8\u3067\u3059\u3002\u79c1\u305f\u3061\u306e\u7814\u7a76\u7d50\u679c\u306f\u3001\u8a2d\u5b9a\u30df\u30b9\u306e\u30ea\u30b9\u30af\u3001\u5927\u4f01\u696d\u3067\u3055\u3048\u898b\u843d\u3068\u3057\u304b\u306d\u306a\u3044\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u78ba\u4fdd\u306e\u91cd\u8981\u6027\u3001\u305f\u3063\u305f1\u3064\u306e\u30df\u30b9\u3067\u6f5c\u5728\u7684\u306a\u707d\u5bb3\u3092\u767a\u751f\u3055\u305b\u308b\u8106\u5f31\u6027\u304c\u6b8b\u3053\u308b\u3053\u3068\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3001\u975e\u5e38\u306b\u91cd\u8981\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<h3>\u653b\u6483\u5185\u5bb9<\/h3>\n<p>\u79c1\u305f\u3061\u306f\u3001\u30cf\u30cb\u30fc\u30dd\u30c3\u30c8\u306e1\u3064\u3067\u3001Kubernetes \u306e RBAC \u30b7\u30b9\u30c6\u30e0\u3092\u5229\u7528\u3057\u3066\u6c38\u7d9a\u6027\u3092\u7372\u5f97\u3059\u308b\u653b\u6483\u3092\u8a18\u9332\u3057\u3001\u305d\u308c\u3092\u5206\u6790\u3057\u307e\u3057\u305f\u3002\u653b\u6483\u8005\u306f\u3001DaemonSet \u30ea\u30bd\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u3092\u5c55\u958b\u3057\u3001Monero cryptominers \u3092\u5b9f\u884c\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u6700\u521d\u306e\u30a2\u30af\u30bb\u30b9\u306f\u3001\u7279\u6a29\u3092\u6301\u3064\u533f\u540d\u30e6\u30fc\u30b6\u304b\u3089\u306e\u8a8d\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8a31\u53ef\u3057\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u3001\u8aa4\u3063\u305f\u8a2d\u5b9a\u306e API \u30b5\u30fc\u30d0\u3092\u4ecb\u3057\u3066\u884c\u308f\u308c\u307e\u3057\u305f\u3002\u653b\u6483\u8005\u306f\u3001\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u305f\u3081\u306b\u3044\u304f\u3064\u304b\u306e HTTP \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001 kube-system \u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3057\u3066\u30af\u30e9\u30b9\u30bf\u30fc\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u5f97\u308b\u305f\u3081\u306b\u30012\u3064\u306e API \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u6b21\u306b\u3001\u653b\u6483\u8005\u306f kube-controller \u3068\u3044\u3046\u540d\u524d\u306e\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u3092\u63a2\u3059\u3053\u3068\u3067\u3001\u5bfe\u8c61\u30af\u30e9\u30b9\u30bf\u30fc\u3078\u306e\u653b\u6483\u304c\u3059\u3067\u306b\u30c7\u30d7\u30ed\u30a4\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u307e\u305f\u3001\u653b\u6483\u8005\u306f\u3001kube-secure-fhgxtsjh\u3001kube-secure-fhgxt\u3001api-proxy\u3001worker-deployment \u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u306b\u304a\u3051\u308b\u3001\u3044\u304f\u3064\u304b\u306e\u65e2\u5b58\u306e\u30c7\u30d7\u30ed\u30a4\u306e\u524a\u9664\u3082\u8a66\u307f\u3066\u3044\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3001\u30ec\u30ac\u30b7\u30fc\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3084\u7af6\u5408\u4ed6\u793e\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3092\u7121\u52b9\u5316\u3057\u3066\u5229\u7528\u53ef\u80fd\u306a CPU \u3092\u5897\u3084\u3059\u3053\u3068\u3067\u3001\u30b5\u30fc\u30d0\u30ea\u30bd\u30fc\u30b9\u304c\u67af\u6e07\u3057\u3066\u767a\u898b\u3055\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u3092\u6e1b\u3089\u3057\u3066\u3044\u305f\u3068\u63a8\u6e2c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u653b\u6483\u3067\u6700\u3082\u8208\u5473\u6df1\u304b\u3063\u305f\u306e\u306f\u3001\u653b\u6483\u8005\u304c RBAC \u3092\u4f7f\u7528\u3057\u3066\u6c38\u7d9a\u6027\u3092\u7372\u5f97\u3057\u305f\u3068\u304d\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u3001\u7ba1\u7406\u8005\u30ec\u30d9\u30eb\u306b\u8fd1\u3044\u7279\u6a29\u3092\u6301\u3064\u65b0\u3057\u3044 ClusterRole \u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u7279\u5b9a\u306e\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u306b\u7e1b\u3089\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6b21\u306b\u3001\u653b\u6483\u8005\u306f\u3001kube-system \u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u306b ServiceAccount\u3001kube-controller \u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u3001\u653b\u6483\u8005\u306fClusterRoleBinding\u3092\u4f5c\u6210\u3057\u3001ClusterRole \u3068 ServiceAccount \u3092\u7d10\u3065\u3051\u3001\u5f37\u529b\u3067\u76ee\u7acb\u305f\u306a\u3044\u6c38\u7d9a\u6027\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><center><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/carbon%20(13).png?width=900&amp;height=1408&amp;name=carbon%20(13).png\" alt=\"\" width=\"464\" height=\"725\" \/><\/center>&nbsp;<\/p>\n<p><center>\u56f31\uff1a\u653b\u6483\u8005\u304c\u4f5c\u6210\u3057\u305f\u7ba1\u7406\u8005\u30ec\u30d9\u30eb\u306b\u8fd1\u3044\u6a29\u9650\u306e ClusterRole<\/center>\u3053\u306e\u6642\u70b9\u3067\u653b\u6483\u8005\u306f\u3001\u533f\u540d\u30e6\u30fc\u30b6\u306e\u30a2\u30af\u30bb\u30b9\u304c\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u3055\u3089\u306a\u308b\u60aa\u7528\u3092\u53ef\u80fd\u306b\u3059\u308b\u6c38\u7d9a\u6027\u3092\u4f5c\u308a\u51fa\u3057\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001cluster-admin \u30ed\u30fc\u30eb\u3092\u65b0\u898f\u30e6\u30fc\u30b6\u3084\u7591\u308f\u3057\u3044\u30e6\u30fc\u30b6\u306b\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u3068\u30a2\u30e9\u30fc\u30e0\u3092\u51fa\u529b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u653b\u6483\u8005\u306f API \u76e3\u67fb\u30ed\u30b0\u306b\u3046\u307e\u304f\u7d1b\u308c\u8fbc\u307e\u305b\u308b\u5de7\u5999\u306a\u65b9\u6cd5\u3092\u7de8\u307f\u51fa\u3057\u307e\u3057\u305f\u3002\u6700\u7d42\u7684\u306b\u306f\u3001\u3053\u306e\u6b63\u898f\u306e ClusterRoleBinding \u3092 system:controller:kube-controller \u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u306f\u30a2\u30e9\u30fc\u30e0\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u306a\u304f\u30ec\u30fc\u30c0\u30fc\u3092\u6f5c\u308a\u629c\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f\u3001\u30cf\u30cb\u30fc\u30dd\u30c3\u30c8\u74b0\u5883\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u69d8\u3005\u306a\u5834\u6240\u3067 AWS \u306e\u30a2\u30af\u30bb\u30b9\u30ad\u30fc\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u3059\u308b\u3068\u305d\u306e\u65e5\u306e\u3046\u3061\u306b\u3001\u30a2\u30af\u30bb\u30b9\u30ad\u30fc\u304c\u653b\u6483\u8005\u306b\u3088\u3063\u3066\u4f7f\u7528\u3055\u308c\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u30a2\u30ab\u30a6\u30f3\u30c8\u3078\u306e\u3055\u3089\u306a\u308b\u30a2\u30af\u30bb\u30b9\u3092\u8a66\u307f\u3001\u3088\u308a\u591a\u304f\u306e\u30ea\u30bd\u30fc\u30b9\u3084\u30c7\u30fc\u30bf\u3092\u76d7\u307f\u3001Kubernetes \u30af\u30e9\u30b9\u30bf\u30fc\u306e\u7279\u5b9a\u306e\u7bc4\u56f2\u304b\u3089\u629c\u3051\u51fa\u3059\u305f\u3081\u306b\u653b\u6483\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3092\u793a\u3059\u30d3\u30fc\u30b3\u30f3\u3092\u53d7\u3051\u53d6\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001\u653b\u6483\u8005\u306f\u30011\u56de\u306e API \u30ea\u30af\u30a8\u30b9\u30c8\u3067\u3059\u3079\u3066\u306e\u30ce\u30fc\u30c9\u306b\u30b3\u30f3\u30c6\u30ca\u3092\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u305f\u3081\u306e DaemonSet \u30ea\u30bd\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002DaemonSet \u4f5c\u6210\u30ea\u30af\u30a8\u30b9\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u30ec\u30b8\u30b9\u30c8\u30ea Docker Hub \u3067\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8 kuberntesio\/kube-controller:1.0.1 \u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u30af\u30e9\u30b9\u30bf\u30fc\u3078\u306e\u5f71\u97ff\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3067\u3057\u305f\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/carbon%20(14).png?width=620&amp;height=546&amp;name=carbon%20(14).png\" alt=\"\" \/><\/center>&nbsp;<\/p>\n<p><center>\u56f32\uff1a\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8kuberntesio\/kube-controller\u3067DaemonSet\u3092\u30c7\u30d7\u30ed\u30a4<\/center>Docker Hub \u4e0a\u306e\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8 kuberntesio\/kube-controller:1.0.1 \u3092\u8abf\u3079\u305f\u3068\u3053\u308d\u3001\u3053\u306e\u30b3\u30f3\u30c6\u30ca\u306f5\u30f6\u6708\u524d\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u3066\u304b\u3089 14,399\u56de \u30d7\u30eb\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u304c\u5e83\u304f\u884c\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u306e\u653b\u6483\u8005\u306b\u3088\u308b\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u653b\u6483\u306e\u75d5\u8de1\u304c\u3042\u308b\u3001\u516c\u958b\u3055\u308c\u305f 60\u500b \u306e Kubernetes \u30af\u30e9\u30b9\u30bf\u30fc\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u3053\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u304c\u3044\u304b\u306b\u5927\u898f\u6a21\u306a\u3082\u306e\u3067\u3042\u308b\u304b\u3092\u8a3c\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca kuberntesio\/kube-controller \u306b\u306f3\u3064\u306e\u30bf\u30b0\u304c\u3042\u308a\u3001\u305d\u306e\u3059\u3079\u3066\u3092\u5206\u6790\u3057\u307e\u3057\u305f\u3002\u5404\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u306e\u4e2d\u306b\u3001VirusTotal \u3067\u30af\u30ea\u30d7\u30c8\u30de\u30a4\u30ca\u30fc\u3068\u3057\u3066\u691c\u51fa\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea kube-controller (MD5=<a href=\"https:\/\/www.virustotal.com\/gui\/file\/3928c5874249cc71b2d88e5c0c00989ac394238747bb7638897fc210531b4aab\" target=\"_blank\" rel=\"noopener\">2833c82055bf2d29c65cd9cf6684449a<\/a>) \u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u5404\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u4e0a\u306b\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u30a6\u30a9\u30ec\u30c3\u30c8\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u3001\u653b\u6483\u8005\u306f\u3059\u3067\u306b5\u30e2\u30cd\u30ed (XMR) \u3092\u30de\u30a4\u30cb\u30f3\u30b0\u3057\u3066\u304a\u308a\u3001\u3053\u306e\u30da\u30fc\u30b9\u3067\u3044\u3051\u3070\u30011\u3064\u306e\u30ef\u30fc\u30ab\u30fc\u30ce\u30fc\u30c9\u304b\u3089\u5e74\u9593\u30675\u30e2\u30cd\u30ed (200\u7c73\u30c9\u30eb) \u3092\u7372\u5f97\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>kuberntesio\/kube-controller \u3068\u3044\u3046\u540d\u524d\u306e\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u306f\u3001\u6b63\u898f\u306e kubernetes.io \u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u306a\u308a\u3059\u307e\u3057\u305f\u30bf\u30a4\u30dd\u30b9\u30af\u30ef\u30c3\u30c6\u30a3\u30f3\u30b0\u306e\u4e8b\u4f8b\u3067\u3059\u3002\u6570\u5341\u500b\u306e\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3057\u304b\u6301\u3063\u3066\u3044\u306a\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u6570\u767e\u4e07\u3082\u306e\u30d7\u30eb\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a4\u30e1\u30fc\u30b8\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u3001\u3059\u3079\u3066\u306e\u30de\u30b9\u30bf\u30fc\u30ce\u30fc\u30c9\u4e0a\u306e Pod \u5185\u3067\u52d5\u4f5c\u3057\u3001\u30ce\u30fc\u30c9\u306e\u969c\u5bb3\u3092\u691c\u51fa\u3057\u3066\u5bfe\u5fdc\u3059\u308b\u5f79\u5272\u3092\u62c5\u3046\u3001\u4eba\u6c17\u306e kube-controller-manager \u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u6a21\u5023\u3057\u3066\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306b\u306f\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u4e0a\u306b\u5b58\u5728\u3059\u308b\u306f\u305a\u306e\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b Kubernetes \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u3001\u30af\u30ea\u30d7\u30c8\u30de\u30a4\u30ca\u30fc\u3067\u306f\u306a\u304f\u6b63\u898f\u306e\u5c0e\u5165\u3067\u3042\u308b\u3068\u904b\u7528\u8005\u3092\u6b3a\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7d99\u7d9a\u7684\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u305d\u306e\u5b58\u5728\u306b\u7591\u554f\u3092\u6301\u3064\u4eba\u306f\u3044\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>Microsoft\u306eKubernetes\u8105\u5a01\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306b\u653b\u6483\u3092\u30de\u30c3\u30d4\u30f3\u30b0<\/h3>\n<p>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u3057\u3066\u3001\u79c1\u305f\u3061\u306e\u30c1\u30fc\u30e0\u306f\u901a\u5e38\u3001\u653b\u6483\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092 <a href=\"https:\/\/attack.mitre.org\/\" target=\"_blank\" rel=\"noopener\">MITRE ATT&amp;CK \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/a>\u306e\u5bfe\u5fdc\u3059\u308b\u30c6\u30af\u30cb\u30c3\u30af\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4eca\u56de\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001MITRE \u306f Kubernetes \u30af\u30e9\u30b9\u30bf\u30fc\u306b\u5bfe\u3059\u308b\u653b\u6483\u306e\u305f\u3081\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u307e\u3060\u516c\u958b\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u79c1\u305f\u3061\u306f\u3001<a href=\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2021\/03\/23\/secure-containerized-environments-with-updated-threat-matrix-for-kubernetes\/\" target=\"_blank\" rel=\"noopener\">Microsoft \u304c\u4f5c\u6210\u3057\u305f\u8105\u5a01\u30de\u30c8\u30ea\u30c3\u30af\u30b9<\/a>\u3092\u5229\u7528\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u65b0\u3057\u3044\u63d0\u6848\u3092\u52a0\u3048\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"https:\/\/1665891.fs1.hubspotusercontent-na1.net\/hubfs\/1665891\/mitre-table.png\" target=\"_blank\" rel=\"noopener\"><span style=\"background-color: #ffff04;\" data-ccp-props=\"{}\"><img loading=\"lazy\" decoding=\"async\" style=\"height: auto; max-width: 100%; width: 900px;\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/mitre-table.png?width=900&amp;height=366&amp;name=mitre-table.png\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" srcset=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/mitre-table.png?width=450&amp;height=183&amp;name=mitre-table.png 450w, https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/mitre-table.png?width=900&amp;height=366&amp;name=mitre-table.png 900w, https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/mitre-table.png?width=1350&amp;height=549&amp;name=mitre-table.png 1350w, https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/mitre-table.png?width=1800&amp;height=732&amp;name=mitre-table.png 1800w, https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/mitre-table.png?width=2250&amp;height=915&amp;name=mitre-table.png 2250w, https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/mitre-table.png?width=2700&amp;height=1098&amp;name=mitre-table.png 2700w\" alt=\"mitre-table\" width=\"900\" height=\"366\" \/><\/span><\/a><\/p>\n<h2>\u307e\u3068\u3081\u3068\u7de9\u548c\u7b56<\/h2>\n<hr \/>\n<p>\u3053\u306e\u653b\u6483\u3092 RBAC Buster \u3068\u540d\u4ed8\u3051\u307e\u3057\u305f\u3002Kubernetes API \u30b5\u30fc\u30d0\u3092\u60aa\u7528\u3057\u3066 ClusterRoleBinding \u3092\u4f5c\u6210\u3057\u3001\u8aa4\u8a2d\u5b9a\u304c\u4fee\u6b63\u3055\u308c\u305f\u5f8c\u3082\u6301\u7d9a\u3057\u3066\u30af\u30e9\u30b9\u30bf\u30fc\u3078\u306e\u30d5\u30eb\u30a2\u30af\u30bb\u30b9\u3092\u7372\u5f97\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u305f\u3001Kubernetes \u306b\u5bfe\u3059\u308b\u65b0\u3057\u3044\u653b\u6483\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001<a href=\"https:\/\/blog.aquasec.com\/kubernetes-cluster-security-with-trivy\" target=\"_blank\" rel=\"noopener\">Aqua Trivy \u3092\u4f7f\u7528\u3057\u3066 Kubernetes \u30af\u30e9\u30b9\u30bf\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd<\/a>\u3067\u304d\u307e\u3059\u3002Trivy \u306f\u3001\u8106\u5f31\u6027\u3001\u516c\u958b\u3055\u308c\u305f\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u60c5\u5831\u3001\u304a\u3088\u3073\u8aa4\u8a2d\u5b9a\u3092\u898b\u3064\u3051\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001Aqua \u306e CNAPP \u306f\u3001\u305d\u306e\u3088\u3046\u306a\u8aa4\u8a2d\u5b9a\u3092\u691c\u51fa\u3057\u3001Kubernetes \u30af\u30e9\u30b9\u30bf\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\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>&nbsp;<\/p>\n<p><center>\n\t\t<!--HubSpot Call-to-Action Code -->\n\t\t<span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-b7316cc2-2551-446e-b886-4eebeb35a249\">\n\t\t<span class=\"hs-cta-node hs-cta-b7316cc2-2551-446e-b886-4eebeb35a249\" id=\"b7316cc2-2551-446e-b886-4eebeb35a249\">\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\/b7316cc2-2551-446e-b886-4eebeb35a249\" >\n\t\t<img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-b7316cc2-2551-446e-b886-4eebeb35a249\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/6168413\/b7316cc2-2551-446e-b886-4eebeb35a249.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, 'b7316cc2-2551-446e-b886-4eebeb35a249', {});\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\u30672023\u5e744\u670821\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c First-Ever Attack Leveraging Kubernetes RBAC to Backdoor Cluster 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