{"id":126041,"date":"2022-12-21T00:53:52","date_gmt":"2022-12-21T08:53:52","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=126041"},"modified":"2024-07-30T19:41:26","modified_gmt":"2024-07-31T02:41:26","slug":"next-gen-kerberos-attacks","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/next-gen-kerberos-attacks\/","title":{"rendered":"\u8cb4\u77f3\u306e\u30c1\u30b1\u30c3\u30c8: \u8a73\u89e3 \u6b21\u4e16\u4ee3\u578bKerberos\u653b\u6483"},"content":{"rendered":"<h2><a id=\"post-126041-_4lt92rr5muov\"><\/a>\u6982\u8981<\/h2>\n<p>Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u304c\u3001\u65b0\u305f\u306a\u691c\u51fa\u624b\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u691c\u51fa\u624b\u6cd5\u306b\u3088\u308a\u3001\u65b0\u7a2e\u306eKerberos\u653b\u6483(\u653b\u6483\u8005\u306fKerberos\u30c1\u30b1\u30c3\u30c8\u3092\u5909\u66f4\u3057\u3066\u7279\u6a29\u30a2\u30af\u30bb\u30b9\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd)\u306e\u691c\u51fa\u7387\u3092\u5411\u4e0a\u3067\u304d\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u653b\u6483\u3067\u6709\u540d\u306a\u4f8b\u306f\u3001Golden Ticket\u653b\u6483\u3067\u3059\u3002\u3053\u306e\u653b\u6483\u3092\u5b9f\u884c\u3059\u308b\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u3001\u30c1\u30b1\u30c3\u30c8\u3092\u507d\u9020\u3057\u3066\u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306b\u507d\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u65b0\u305f\u306b\u767a\u898b\u3055\u308c\u305f2\u3064\u306e\u653b\u6483\u306f\u3001\u65e2\u5b58\u306e\u30c1\u30b1\u30c3\u30c8\u3092\u5909\u66f4\u3057\u3066\u9ad8\u7279\u6a29\u30a2\u30af\u30bb\u30b9\u3092\u542b\u3081\u308b\u70b9\u3067\u3001Golden Ticket\u653b\u6483\u306e\u6a5f\u80fd\u5f37\u5316\u7248\u3067\u3042\u308a\u3001\u507d\u9020\u30c1\u30b1\u30c3\u30c8\u306f\u30bc\u30ed\u304b\u3089\u4f5c\u6210\u3055\u308c\u307e\u305b\u3093\u3002\u672c\u7a3f\u3067\u306f\u3001\u3053\u306e3\u7a2e\u985e\u306e\u653b\u6483\u306e\u9055\u3044\u3092\u8003\u5bdf\u3057\u3001\u65b0\u3057\u3044\u653b\u6483\u306e\u691c\u51fa\u304c\u56f0\u96e3\u306a\u7406\u7531\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>Active Directory\u306e\u5229\u7528\u62e1\u5927\u306b\u3088\u3063\u3066\u3001Kerberos\u653b\u6483\u304c\u591a\u304f\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u8cc7\u91d1\u6e90\u3068\u306a\u308a\u307e\u3059\u3002\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3001\u4ee5\u4e0b\u306e\u65b0\u3057\u3044\u653b\u6483\u624b\u6cd5\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u624b\u6cd5\u3092\u5229\u7528\u3059\u308b\u653b\u6483\u8005\u306f\u3001Active Directory (AD)\u30c9\u30e1\u30a4\u30f3\u5185\u3067\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d3\u30b9\u3068\u30ea\u30bd\u30fc\u30b9\u306b\u81ea\u7531\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>Diamond Ticket<\/li>\n<li>Sapphire Ticket<\/li>\n<\/ul>\n<p>\u6709\u540d\u306aGolden Ticket\u653b\u6483\u3068\u985e\u4f3c\u3057\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u4eca\u5f8c\u306e\u6d3b\u52d5\u3067\u3053\u308c\u3089\u306e\u653b\u6483\u3082\u4f7f\u7528\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u3053\u306e\u65b0\u3057\u3044Kerberos\u653b\u6483\u306b\u5bfe\u5fdc\u3059\u308b\u691c\u51fa\u624b\u6cd5\u3092\u65b0\u305f\u306b\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u8aac\u660e\u3059\u308b\u653b\u6483\u306b\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u306b\u6539\u5584\u3055\u308c\u305f\u691c\u51fa\u624b\u6cd5\u3092\u3001Cortex XDR\u306b\u3088\u3063\u3066\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306b\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/p>\n<table style=\"width: 89.4833%;\">\n<tbody>\n<tr>\n<td style=\"width: 46.3592%;\"><b>\u95a2\u9023\u3059\u308bUnit 42\u306e\u30c8\u30d4\u30c3\u30af<\/b><\/td>\n<td style=\"width: 100.093%;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/privilege-escalation-ja\/\"><span style=\"font-weight: 400;\">Privilege Escalation<\/span><\/a><span style=\"font-weight: 400;\">\u3001<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/tag\/golden-ticket\/\">Golden Ticket<\/a>\u3001<\/span><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/kerberos-ja\/\"><span style=\"font-weight: 400;\">Kerberos<\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><a id=\"post-126041-_gp8q46kj9por\"><\/a>Kerberos\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n<p>\u30c1\u30b1\u30c3\u30c8\u653b\u6483\u3068\u305d\u306e\u5f71\u97ff\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001Kerberos\u306e\u3057\u304f\u307f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002\u7406\u89e3\u3059\u3079\u304d\u3082\u306e\u306b\u306f\u3001\u30c1\u30b1\u30c3\u30c8\u653b\u6483\u3067\u4f7f\u7528\u3055\u308c\u308b\u6a5f\u80fd\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u7528\u8a9e\u306b\u52a0\u3048\u3001\u30c1\u30b1\u30c3\u30c8\u304c\u4f7f\u7528\u3055\u308c\u308b\u3057\u304f\u307f\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Kerberos_(protocol)\">Kerberos<\/a>\u306f\u3001<a href=\"https:\/\/en.wikipedia.org\/wiki\/Active_Directory\">Active Directory (AD)<\/a>\u74b0\u5883\u3067\u4e3b\u306b\u4f7f\u7528\u3055\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<a href=\"https:\/\/discovery.hgdata.com\/product\/microsoft-active-directory\">\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u3067\u6570\u5343\u793e\u306e\u4f01\u696d<\/a>\u304cActive Directory\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u3092\u5229\u7528\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u30a2\u30ab\u30a6\u30f3\u30c8\u306a\u3069\u306e\u7d44\u7e54\u5185\u30ea\u30bd\u30fc\u30b9\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002Active Directory\u306f\u6700\u521d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304cWindows Server 2000\u3067\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u4ee5\u6765\u3001\u81a8\u5927\u306a\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u3068\u30ea\u30bd\u30fc\u30b9\u3092\u7ba1\u7406\u3059\u308b\u4f01\u696d\u3084\u5927\u898f\u6a21\u306a\u7d44\u7e54\u306b\u304a\u3044\u3066\u3001\u7279\u306b\u666e\u53ca\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Kerberos\u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u5f37\u529b\u306a\u8a8d\u8a3c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u8a8d\u8a3c\u3057\u3066\u30c1\u30b1\u30c3\u30c8\u3092\u767a\u884c\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002\u30c1\u30b1\u30c3\u30c8\u306f<a href=\"https:\/\/www.techopedia.com\/definition\/12883\/key-distribution-center-kdc-cryptography\">Key Distribution Center (\u30ad\u30fc\u914d\u5e03\u30bb\u30f3\u30bf\u30fc - KDC)<\/a>\u306b\u3088\u3063\u3066\u914d\u5e03\u3055\u308c\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u74b0\u5883\u306b\u304a\u3044\u3066\u3001KDC\u306f<a href=\"https:\/\/en.wikipedia.org\/wiki\/Domain_controller\">\u30c9\u30e1\u30a4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9(DC)<\/a>\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u521d\u671f\u8a8d\u8a3c\u6642\u306b\u3001<a href=\"https:\/\/doubleoctopus.com\/security-wiki\/authentication\/ticket-granting-tickets\/\">\u30c1\u30b1\u30c3\u30c8\u4fdd\u8a3c\u30c1\u30b1\u30c3\u30c8(TGT)<\/a>\u304c\u30e6\u30fc\u30b6\u30fc\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002\u5f8c\u304b\u3089TGT\u3092\u4f7f\u7528\u3057\u3066KDC\u306b\u30e6\u30fc\u30b6\u30fc\u3092\u8a8d\u8a3c\u3057\u3001<a href=\"https:\/\/www.techopedia.com\/definition\/27186\/ticket-granting-server-tgs#:~:text=A%20ticket%20granting%20server%20(TGS)%20is%20a%20logical%20key%20distribution,such%20as%20network%20service%20access.\">Ticket Granting Service (\u30c1\u30b1\u30c3\u30c8\u4fdd\u8a3c\u30b5\u30fc\u30d3\u30b9 - TGS)<\/a>\u304b\u3089\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3092\u8981\u6c42\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u8a8d\u8a3c\u7528\u306b\u4ed8\u4e0e\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Kerberos\u8a8d\u8a3c\u306f\u4ee5\u4e0b\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30e6\u30fc\u30b6\u30fc\u304cKDC\u306bTGT\u3092\u8981\u6c42(AS-REQ)\u3057\u3001KDC\u304c\u8a8d\u8a3c\u60c5\u5831\u3068\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u3066\u691c\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306e\u8a8d\u8a3c\u5f8c\u3001\u6697\u53f7\u5316\u3055\u308c\u305fTGT\u3092KDC\u304c\u8981\u6c42\u5143\u30e6\u30fc\u30b6\u30fc\u306b\u8fd4\u9001\u3057\u307e\u3059(AS-REP)\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306fTGT\u3092DC\u306b\u63d0\u793a\u3057\u3001TGS\u3092\u8981\u6c42\u3057\u307e\u3059(TGS-REQ)\u3002<\/li>\n<li>TGS\u306f\u6697\u53f7\u5316\u3055\u308c\u3001\u8981\u6c42\u5143\u30e6\u30fc\u30b6\u30fc\u306b\u8fd4\u9001\u3057\u307e\u3059(TGS-REP)\u3002<\/li>\n<li>\u8981\u6c42\u3055\u308c\u305f\u30b5\u30fc\u30d3\u30b9\u3092\u30db\u30b9\u30c8\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u30e6\u30fc\u30b6\u30fc\u306f\u63a5\u7d9a\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u5229\u7528\u306e\u305f\u3081\u306bTGS\u3092\u63d0\u793a\u3057\u307e\u3059(AP-REQ)\u3002<\/li>\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u30fc\u304c(AP-REP)\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"attachment_126014\" aria-describedby=\"caption-attachment-126014\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126015 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-28-jp-1.png\" alt=\"\u56f31\u3067\u793a\u3059\u8981\u6c42\u30d5\u30ed\u30fc\u306f\u3001Kerberos\u8a8d\u8a3c\u3067\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u30fc\u3001\u30e6\u30fc\u30b6\u30fc\u30ef\u30fc\u30af\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u304a\u3088\u3073\u30c9\u30e1\u30a4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u9593\u306b\u304a\u3051\u308b\u8981\u6c42\u30d5\u30ed\u30fc\u3067\u3059\u3002\" width=\"900\" height=\"449\" \/><figcaption id=\"caption-attachment-126014\" class=\"wp-caption-text\">\u56f31. Kerberos\u8a8d\u8a3c<\/figcaption><\/figure>\n<h3><a id=\"post-126041-_za1t6tea2srj\"><\/a>Kerberos\u30c1\u30b1\u30c3\u30c8\u5185\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h3>\n<p><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc4120#section-5.3\">Kerberos\u30c1\u30b1\u30c3\u30c8<\/a>\u306b\u306f\u3001\u3044\u305a\u308c\u3082\u4ee5\u4e0b\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\">\n<p style=\"text-align: center;\"><b>Kerberos\u30c1\u30b1\u30c3\u30c8<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><b>Tkt-vno<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u30c1\u30b1\u30c3\u30c8\u5f62\u5f0f\u306b\u5bfe\u5fdc\u3059\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>\u30ec\u30eb\u30e0<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u30c1\u30b1\u30c3\u30c8\u3092\u767a\u884c\u3057\u305f\u30ec\u30eb\u30e0<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>sname<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u30b5\u30fc\u30d0\u30fc\u540d\u3002\u3053\u306e\u540d\u524d\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3059\u3079\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306e<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ID\u306e\u4e00\u90e8<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Enc-part<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u30b5\u30fc\u30d0\u30fc\u306e\u79d8\u5bc6\u9375\u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u3002<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt; color: #999999;\"><em>\u88681 Kerberos\u30c1\u30b1\u30c3\u30c8<\/em><\/span><\/p>\n<p>Enc-part\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u4ee5\u4e0b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>cname: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30d7\u30ea\u30f3\u30b7\u30d1\u30eb\u8b58\u5225\u5b50\u306e\u540d\u524d\u90e8\u5206<\/li>\n<li>\u8a8d\u8a3c\u30c7\u30fc\u30bf: \u30d7\u30ea\u30f3\u30b7\u30d1\u30eb\u304b\u3089\u306e\u8a8d\u8a3c\u30c7\u30fc\u30bf\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d3\u30b9\u306b\u6e21\u3059\u305f\u3081\u306b\u4f7f\u7528\u3002\u30d7\u30ea\u30f3\u30b7\u30d1\u30eb\u3067\u306f\u30c1\u30b1\u30c3\u30c8\u304c\u4ee3\u7406\u767a\u884c\u3055\u308c\u308b\u3002\u3053\u306e\u90e8\u5206\u306b\u306f\u7279\u6a29\u5c5e\u6027\u8a3c\u660e(PAC)\u304c\u542b\u307e\u308c\u308b<\/li>\n<\/ol>\n<h3><a id=\"post-126041-_jkrazce8jzuh\"><\/a>Kerberos\u7279\u6a29\u5c5e\u6027\u8a3c\u660e(PAC)\u3068\u306f?<\/h3>\n<p><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-pac\/54d570b1-fc54-4c54-8218-f770440ec334\">Microsoft\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u306b\u3088\u308b\u3068\u3001<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-pac\/54d570b1-fc54-4c54-8218-f770440ec334\">PAC<\/a>\u306f\u3001\u8a8d\u8a3c\u95a2\u9023\u60c5\u5831\u3092\u793a\u3059\u69cb\u9020\u4f53\u3067\u3042\u308a\u3001\u8a8d\u8a3c\u95a2\u9023\u60c5\u5831\u306fDC\u3067\u6e21\u3055\u308c\u307e\u3059\u3002PAC\u3092\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u4f7f\u7528\u3057\u3066ID\u3092\u691c\u8a3c\u3057\u3001\u8a8d\u8a3c\u60c5\u5831\u3092\u8ee2\u9001\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<\/p>\n<p>PAC\u5185\u306e<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-pac\/f2ef15b6-1e9b-48b5-bf0b-019f061d41c8#gt_83f2020d-0804-4840-a5ac-e06439d50f8d\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8b58\u5225\u5b50(SID)<\/a>\u3001<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-pac\/f2ef15b6-1e9b-48b5-bf0b-019f061d41c8#gt_df3d0b61-56cd-4dac-9402-982f1fedc41c\">\u76f8\u5bfe\u8b58\u5225\u5b50(RID)<\/a>\u3068\u3044\u3063\u305f\u8a8d\u8a3c\u30c7\u30fc\u30bf\u304c\u3001DC\u306b\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126041-_qn5zutr99frx\"><\/a>Kerberos\u59d4\u4efb<\/h3>\n<p><a href=\"https:\/\/blog.netwrix.com\/2021\/11\/30\/what-is-kerberos-delegation-an-overview-of-kerberos-delegation\/#:~:text=Kerberos%20Delegation%20is%20a%20security,account%20for%20any%20other%20network\">Kerberos\u59d4\u4efb<\/a>\u306e\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u306f\u3001Web\u30b5\u30fc\u30d0\u30fc\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30e6\u30fc\u30b6\u30fc\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u306e\u307f\u4ed8\u4e0e\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001Web\u30b5\u30fc\u30d0\u30fc\u306f\u30e6\u30fc\u30b6\u30fc\u3092\u507d\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u507d\u88c5\u3092Kerberos\u59d4\u4efb\u3068\u8a00\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u306f\u5236\u7d04\u4ed8\u304d\u59d4\u4efb\u306b\u7d5e\u3063\u3066\u8aac\u660e\u3057\u307e\u3059\u3002Kerberos\u59d4\u4efb\u306e\u5404\u7a2e\u624b\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u300c<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/security-operations\/bronze-bit-vulnerability-xdr\/?lang=ja\">CortexXDR\u306b\u3088\u308bBronze Bit\u8106\u5f31\u6027\u304b\u3089\u306e\u4fdd\u8b77<\/a>\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u5236\u7d04\u4ed8\u304d\u59d4\u4efb:<\/strong> Microsoft\u306fKerberos\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306eTGT\u3092\u30e1\u30e2\u30ea\u306b\u4fdd\u6301\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u62e1\u5f35\u6a5f\u80fd\u306f<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-sfu\/4a624fb5-a078-4d30-8ad1-e9ab71e0bc47#gt_083a5403-f654-4db6-b17e-9c10dc5cd420\">S4U<\/a> (Service for User)\u3068\u547c\u3070\u308c\u3001<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-sfu\/4a624fb5-a078-4d30-8ad1-e9ab71e0bc47#gt_2214804a-4a44-46f4-b6d2-a78f4ff39a39\">S4U2Self<\/a>\u3068<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-sfu\/bde93b0e-f3c9-4ddf-9f44-e1453be7af5a\">S4U2Proxy<\/a>\u304b\u3089\u69cb\u6210\u3055\u308c\u307e\u3059\u3002S4U2Self\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u4ee3\u7406\u3067\u30b5\u30fc\u30d3\u30b9\u304c\u81ea\u5206\u81ea\u8eab\u306b\u30c1\u30b1\u30c3\u30c8\u3092\u8981\u6c42\u3067\u304d\u307e\u3059\u3002S4U2Proxy\u3067\u306f\u3001\u3042\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u5225\u306e\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u8a8d\u8a3c\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126041-_3mqrebqrpfdg\"><\/a>S4U2Self\u62e1\u5f35\u6a5f\u80fd<\/h3>\n<p>\u4e0a\u8a18\u306e\u901a\u308a\u3001<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-sfu\/4a624fb5-a078-4d30-8ad1-e9ab71e0bc47#gt_2214804a-4a44-46f4-b6d2-a78f4ff39a39\">S4U2self<\/a>\u62e1\u5f35\u6a5f\u80fd\u306b\u3088\u308a\u3001\u30c1\u30b1\u30c3\u30c8\u3067\u30e6\u30fc\u30b6\u30fc\u306e<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-sfu\/4a624fb5-a078-4d30-8ad1-e9ab71e0bc47#gt_0eef5aca-03f3-4b09-b79b-cdf7f730ad89\">\u8a8d\u8a3c\u30c7\u30fc\u30bf<\/a>(\u3064\u307e\u308a\u3001PAC)\u3092<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-sfu\/4a624fb5-a078-4d30-8ad1-e9ab71e0bc47#gt_2dc07ca2-2b40-437e-a5ec-ed28ebfb116a\">\u30b5\u30fc\u30d3\u30b9<\/a>\u304c\u53d7\u4fe1\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u62e1\u5f35\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-kile\/b4af186e-b2ff-43f9-b18e-eedb366abf13\">KRB_TGS_REQ<\/a>\u767a\u884c\u30e6\u30fc\u30b6\u30fc\u306f<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/win32\/ad\/service-principal-names\">\u30b5\u30fc\u30d3\u30b9\u30d7\u30ea\u30f3\u30b7\u30d1\u30eb\u540d(SPN)<\/a>\u30921\u3064\u4ee5\u4e0a\u767b\u9332\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001DC\u306f\u30b5\u30fc\u30d3\u30b9\u306e\u79d8\u5bc6\u9375\u3092\u4f7f\u7528\u3057\u3066\u3001\u751f\u6210\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3092\u6697\u53f7\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>S4U2U KRB_TGS\u306e\u3084\u308a\u53d6\u308a\u306e\u6d41\u308c:<\/p>\n<ol>\n<li>\u30b5\u30fc\u30d3\u30b9\u3067\u306f<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-sfu\/aceb70de-40f0-4409-87fa-df00ca145f5a\">PA_FOR_USER<\/a>\u30c7\u30fc\u30bf\u69cb\u9020\u4f53\u306b\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u5f53\u8a72\u69cb\u9020\u4f53\u306b\u3042\u308b\u60c5\u5831\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u95a2\u3059\u308b\u60c5\u5831\u3067\u3059\u3002\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u4ee3\u7406\u3067\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3092\u8981\u6c42\u3057\u3001KRB_TGS_REQ\u30e1\u30c3\u30bb\u30fc\u30b8\u3092TGS\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n<li>KRB_TGS_REQ\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4ecb\u3057\u3066\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u304c\u30b5\u30fc\u30d3\u30b9\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3067\u623b\u3055\u308c\u308bPAC\u306b\u306f\u8a8d\u8a3c\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3><a id=\"post-126041-_m43g1negirti\"><\/a>U2U\u8a8d\u8a3c<\/h3>\n<p><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc4120#section-3.7\">User-to-User\u8a8d\u8a3c<\/a>\u306fKerberos RFC\u3067\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u8a8d\u8a3c\u691c\u8a3c\u56e3\u4f53\u306b\u5bfe\u3057\u3066\u767a\u884c\u3057\u305fTGT\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u9375\u3092\u4f7f\u7528\u3057\u3066KDC\u767a\u884c\u30c1\u30b1\u30c3\u30c8\u306e\u6697\u53f7\u5316\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u8981\u6c42\u3067\u304d\u308b\u624b\u6cd5\u3068\u3057\u3066\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>KRB_TGS_REQ\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc4120#section-5.4.1\">\u8ffd\u52a0\u306e\u30c1\u30b1\u30c3\u30c8<\/a>: \u79d8\u5bc6\u9375\u306e\u53d6\u5f97\u5148TGT\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc4120#section-2.9.2\">ENC-TKT-IN-SKEY<\/a>: \u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6307\u5b9a\u306b\u3088\u308a\u3001\u6e21\u3055\u308c\u308b\u8ffd\u52a0TGT\u304b\u3089\u30bb\u30c3\u30b7\u30e7\u30f3\u9375\u3067\u30a8\u30f3\u30c9\u30b5\u30fc\u30d0\u30fc\u306e\u30c1\u30b1\u30c3\u30c8\u304c\u6697\u53f7\u5316\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u30b5\u30fc\u30d3\u30b9\u540d(sname)\u306f\u30e6\u30fc\u30b6\u30fc\u3092\u610f\u5473\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u305a\u3057\u3082SPN\u3092\u6301\u3064\u30b5\u30fc\u30d3\u30b9\u3067\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<h3><a id=\"post-126041-_2qjnebdem16o\"><\/a>U2U + S4U2Self<\/h3>\n<p>2\u3064\u306e\u624b\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001SPN\u304c\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3057\u3066S4U2Self\u62e1\u5f35\u6a5f\u80fd\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3084\u308a\u53d6\u308a\u3067\u53d7\u4fe1\u3055\u308c\u308b\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u79d8\u5bc6\u9375\u3067\u6697\u53f7\u5316\u3055\u308c\u307e\u3059(\u3053\u306e\u5834\u5408\u3001\u30b5\u30fc\u30d0\u30fc\u306fSPN\u304c\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059)\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5bfe\u8c61\u30e6\u30fc\u30b6\u30fc\u306ePAC\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u79d8\u5bc6\u9375\u3092\u4f7f\u7528\u3057\u3066\u5fa9\u53f7\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>KRB_TGS_REQ\u30d1\u30b1\u30c3\u30c8\u306b\u306f\u3001\u4e21\u65b9\u306e\u624b\u6cd5\u306e\u7279\u5fb4\u304c\u3059\u3079\u3066\u5099\u308f\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-126041-_r229h48awi9m\"><\/a>2\u3064\u306eKerberos\u653b\u6483\u306e\u3057\u304f\u307f<\/h2>\n<p>Sapphire Ticket\u653b\u6483\u3068Diamond Ticket\u653b\u6483\u306f\u3069\u3061\u3089\u3082\u6b63\u5f53\u306aTGT\u3092\u8907\u5408\u3057\u3001\u305d\u306ePAC\u3092\u5909\u66f4\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001\u653b\u6483\u8005\u306f<a href=\"https:\/\/adsecurity.org\/?p=483\">KRBTGT<\/a>\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u9375(\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5)\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<a href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/windows\/it-pro\/windows-server-2012-R2-and-2012\/dn745899(v=ws.11)?redirectedfrom=MSDN\">Microsoft TechNet (\u73fe\u5728\u306eMicrosoft Docs)<\/a>\u306e\u8a18\u4e8b\u306b\u3088\u308b\u3068\u3001KRBTGT\u30a2\u30ab\u30a6\u30f3\u30c8\u306f\u30ed\u30fc\u30ab\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u3042\u308a\u3001KDC\u30b5\u30fc\u30d3\u30b9\u306e\u30b5\u30fc\u30d3\u30b9\u30a2\u30ab\u30a6\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126041-_k56ak9qw5q5d\"><\/a>Sapphire Ticket<\/h3>\n<p>Sapphire Ticket\u653b\u6483(<a href=\"https:\/\/twitter.com\/_nwodtuhs\">Charlie Bromberg<\/a>\u6c0f\u304c\u63d0\u5531)\u3067\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u3067\u30e6\u30fc\u30b6\u30fc\u306e\u8a8d\u8a3c\u60c5\u5831\u3092\u5165\u624b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30e6\u30fc\u30b6\u30fc\u3092Joe\u3068\u3057\u307e\u3057\u3087\u3046\u3002Joe\u306e\u8a8d\u8a3c\u60c5\u5831\u306fTGT\u306e\u5165\u624b\u306b\u4f7f\u7528\u3055\u308c(\u901a\u5e38\u306e<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-kile\/b4af186e-b2ff-43f9-b18e-eedb366abf13\">KRB_AS_REQ<\/a>\u3092\u4f7f\u7528)\u3001\u5f8c\u304b\u3089\u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306ePAC\u306e\u5fa9\u53f7\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>TGT\u304c\u53d7\u4fe1\u3055\u308c\u308b\u3068\u3001\u653b\u6483\u8005\u306fU2U + S4U2Self\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u507d\u88c5\u3059\u308b\u30e6\u30fc\u30b6\u30fc(\u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc)\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<li>\u4ee5\u4e0b\u306e\u7279\u6027\u3092\u6301\u3064KRB_TGS_REQ\u3092\u751f\u6210\u3057\u307e\u3059\u3002\n<ol>\n<li>\u507d\u88c5\u30e6\u30fc\u30b6\u30fc\u306e\u60c5\u5831\u304cPA_FOR_USER\u69cb\u9020\u4f53\u306b\u542b\u307e\u308c\u308b<\/li>\n<li>\u30b5\u30fc\u30d3\u30b9\u540d(sname)\u304cJoe\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u3067\u3042\u308b<\/li>\n<li>Joe\u306eTGT\u304c\u8ffd\u52a0\u30c1\u30b1\u30c3\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u8ffd\u52a0\u3055\u308c\u308b<\/li>\n<li>KDC\u30aa\u30d7\u30b7\u30e7\u30f3\u306eENC-TKT-IN-SKEY\u30d5\u30e9\u30b0\u304c\u8a2d\u5b9a\u3055\u308c\u308b<\/li>\n<\/ol>\n<\/li>\n<li>\u507d\u88c5\u30e6\u30fc\u30b6\u30fc\u306e\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3092\u5165\u624b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>KRB_TGS_REQ -<\/p>\n<figure id=\"attachment_126016\" aria-describedby=\"caption-attachment-126016\" style=\"width: 825px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126016 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-29.png\" alt=\"\u56f32\u306f\u591a\u304f\u306e\u30b3\u30fc\u30c9\u884c\u3067\u3042\u308a\u3001Joe.2\u3068\u3044\u3046\u30e6\u30fc\u30b6\u30fc\u540d\u3067U2U\u3068S4U2Self\u3092\u4f7f\u7528\u3057\u3066KRB_TGS_REQ\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"825\" height=\"598\" \/><figcaption id=\"caption-attachment-126016\" class=\"wp-caption-text\">\u56f32.U2U\u3068S4U2Self\u306e\u624b\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u4f5c\u6210\u3057\u305fKRB_TGS_REQ<\/figcaption><\/figure>\n<figure id=\"attachment_126018\" aria-describedby=\"caption-attachment-126018\" style=\"width: 398px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126018 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-30.png\" alt=\"\u56f33\u306f\u591a\u304f\u306e\u30b3\u30fc\u30c9\u884c\u3067\u3042\u308a\u3001Joe\u3068\u3044\u3046\u540d\u524d\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u8a2d\u5b9a\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a\u3092\u958b\u59cb\u3057\u3066\u3044\u307e\u3059\u3002\" width=\"398\" height=\"565\" \/><figcaption id=\"caption-attachment-126018\" class=\"wp-caption-text\">\u56f33.KDC\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306eENC-TKT-IN-SKEY\u30d5\u30e9\u30b0\u306e\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>KRB_TGS_REP<\/p>\n<figure id=\"attachment_126020\" aria-describedby=\"caption-attachment-126020\" style=\"width: 314px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126020 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-31.png\" alt=\"\u56f34\u306f\u6570\u884c\u306e\u9023\u7d9a\u30b3\u30fc\u30c9\u3067\u3042\u308a\u3001Joe\u3068\u3044\u3046\u540d\u524d\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u30d7\u30ed\u30bb\u30b9\u3067\u8a2d\u5b9a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3057\u7d9a\u3051\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\" width=\"314\" height=\"302\" \/><figcaption id=\"caption-attachment-126020\" class=\"wp-caption-text\">\u56f34. U2U + S4U2Self TGS-REP.<\/figcaption><\/figure>\n<p>\u3054\u627f\u77e5\u306e\u3068\u304a\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u306f\u30b5\u30fc\u30d3\u30b9\u306e\u9577\u671f\u306b\u308f\u305f\u308b\u79d8\u5bc6\u9375\u306b\u3088\u308b\u6697\u53f7\u5316\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u653b\u6483\u8005\u306fJoe\u306e\u8a8d\u8a3c\u60c5\u5831\u3092\u5165\u624b\u3059\u308b\u3068\u3001\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3092\u5fa9\u53f7\u3067\u304d\u307e\u3059\u3002\u653b\u6483\u8005\u306fKRBTGT\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u79d8\u5bc6\u9375\u3082\u5165\u624b\u3057\u3066\u3044\u308b\u305f\u3081\u3001Joe\u306eTGT\u3092\u5fa9\u53f7\u3057\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002TGT\u306f\u524d\u8ff0\u306e\u79d8\u5bc6\u9375\u3067\u7f72\u540d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Sapphire Ticket\u3092\u507d\u9020\u3059\u308b\u305f\u3081\u306b\u3001\u653b\u6483\u8005\u306f\u507d\u88c5\u30e6\u30fc\u30b6\u30fc\u306ePAC\u3092\u629c\u304d\u53d6\u308a\u3001\u4ee5\u4e0b\u306e2\u3064\u306e\u65b9\u6cd5\u3067Joe\u306eTGT\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>Joe\u306e\u5143\u3005\u306ePAC\u3092\u9ad8\u7279\u6a29PAC\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n<li>cname\u3092\u507d\u88c5\u30e6\u30fc\u30b6\u30fc\u306e\u540d\u524d\u3068\u4e00\u81f4\u3055\u305b\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306eTGT\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126041-_19wo0e5qmjx8\"><\/a>Diamond Ticket<\/h3>\n<p>Diamond Ticket\u653b\u6483(<a href=\"https:\/\/twitter.com\/exploitph\">Charlie Clark<\/a>\u6c0f\u304c\u63d0\u5531)\u306e\u6700\u521d\u306e\u90e8\u5206\u3067\u3001TGT\u3092\u5165\u624b\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u306e\u624b\u6cd5\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u653b\u6483\u8005\u306f\u4f4e\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306e\u8a8d\u8a3c\u60c5\u5831\u3092\u4f7f\u7528\u3057\u3066KRB_AS_REQ\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u6b63\u5f53\u306aTGT\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/github.com\/GhostPack\/Rubeus\">Rubeus<\/a>\u3068\u3044\u3046\u30c4\u30fc\u30eb\u306b\u306f<a href=\"https:\/\/github.com\/GhostPack\/Rubeus#tgtdeleg\">tgtdeleg<\/a>\u3068\u3044\u3046\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306fKerberos\u306e<a href=\"https:\/\/en.wikipedia.org\/wiki\/Generic_Security_Services_Application_Program_Interface\">Generic Security Services Application Program Interface (GSS-API)<\/a>\u3092\u60aa\u7528\u3057\u3066\u3001\u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u4f7f\u7528\u53ef\u80fd\u306aTGT\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001\u30db\u30b9\u30c8\u3067\u306e\u6607\u683c\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<p><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/openspecs\/windows_protocols\/ms-kile\/b4af186e-b2ff-43f9-b18e-eedb366abf13\">KRB_AS_REP<\/a>\u5185\u3067TGT\u3092\u53d7\u3051\u53d6\u308b\u3068\u3001\u653b\u6483\u8005\u306fKRBTGT\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u9375\u3092\u4f7f\u7528\u3057\u3066TGT\u3092\u5fa9\u53f7\u3057\u3001\u30c1\u30b1\u30c3\u30c8\u306e\u5404\u90e8\u5206\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30c1\u30b1\u30c3\u30c8\u5909\u66f4\u5f8c\u3001\u653b\u6483\u8005\u306f\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u306e\u624b\u6cd5\u3092\u7528\u3044\u3066\u6a29\u9650\u3092\u6607\u683c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>TGT\u3092\u751f\u6210\u3057\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u307e\u305f\u306f\u30c9\u30e1\u30a4\u30f3\u5185\u306e\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u507d\u88c5\u3059\u308b\u3002<br \/>\n\u3053\u306e\u5834\u5408\u3001\u653b\u6483\u8005\u306f\u30c1\u30b1\u30c3\u30c8\u306ecname\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u304a\u3088\u3073PAC\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005(\u307e\u305f\u306f\u30c9\u30e1\u30a4\u30f3\u306e\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc)\u306e\u540d\u524d\u3067\u30c1\u30b1\u30c3\u30c8\u304c\u507d\u9020\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001<a href=\"https:\/\/attack.mitre.org\/techniques\/T1558\/001\/\">Golden Ticket<\/a>\u653b\u6483\u3068\u975e\u5e38\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>PAC\u3092\u5909\u66f4\u3057\u3066\u3001\u901a\u5e38\u306e\u30c9\u30e1\u30a4\u30f3\u30e6\u30fc\u30b6\u30fc\u306e\u6a29\u9650\u3092\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u6a29\u9650\u306b\u6607\u683c\u3055\u305b\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u6a29\u9650\u3092\u6301\u3064\u4f4e\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306e\u540d\u524d\u3067\u653b\u6483\u8005\u306b\u30c1\u30b1\u30c3\u30c8\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-126041-_5s9z6tylhq7w\"><\/a>\u65b0\u3057\u3044Kerberos\u653b\u6483\u306e\u5a01\u529b<\/h2>\n<p>Diamond Ticket\u3068Sapphire Ticket\u306f\u507d\u9020TGT\u3067\u3042\u308a\u3001\u6b63\u5f53\u306aTGT\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8ffd\u52a0\u306e\u6a29\u9650\u307e\u305f\u306f\u65b0\u3057\u3044ID\u304c\u4ed8\u4e0e\u3055\u308c\u307e\u3059\u3002Golden Ticket\u304c\u591a\u6570\u691c\u51fa\u3055\u308c\u308b\u8981\u56e0\u3068\u3057\u3066\u306f\u3001\u6b63\u5f53\u306aDC\u3067TGT\u304c\u4f5c\u6210\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001DC\u304c\u6b63\u5f53\u306aTGT\u3092\u767a\u884c\u3057\u3066\u3082\u65b0\u3057\u3044\u653b\u6483\u3067\u6539\u3056\u3093\u3059\u308b\u306e\u3067\u3001\u691c\u51fa\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u8005\u306f\u507d\u9020TGT\u3092\u4f7f\u7528\u3057\u3066\u3001\u5e0c\u671b\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u307e\u305f\u306f\u30ea\u30bd\u30fc\u30b9\u3078\u306eTGS\u3092\u8981\u6c42\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3079\u3066\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3001\u30d5\u30a1\u30a4\u30eb\u3001\u30d5\u30a9\u30eb\u30c0\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8981\u6c42\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126041-_kyox3sq93yna\"><\/a>Diamond Ticket\u653b\u6483\u3068Sapphire Ticket\u653b\u6483\u306e\u9055\u3044<\/h3>\n<p>\u3069\u3061\u3089\u306e\u653b\u6483\u3067\u3082\u3001\u6b63\u5f53\u306aTGT\u306ePAC\u306b\u5bfe\u3057\u3066\u6539\u3056\u3093\u304c\u884c\u308f\u308c\u307e\u3059\u304c\u3001\u5909\u66f4\u65b9\u6cd5\u306b\u4e3b\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002Diamond Ticket\u653b\u6483\u3067\u306f\u3001\u8981\u6c42\u3055\u308c\u305fTGT\u3067\u5143\u306ePAC\u306b\u5bfe\u3057\u3066\u5909\u66f4\u304c\u884c\u308f\u308c\u3001\u6a29\u9650\u3092\u8ffd\u52a0\u3057\u305f\u308a\u5b8c\u5168\u306b\u5909\u66f4\u3057\u307e\u3059\u3002Sapphire Ticket\u653b\u6483\u3067\u306f\u653b\u6483\u8005\u306fTGT\u3092\u5909\u66f4\u3057\u307e\u3059\u304c\u3001Kerberos\u59d4\u4efb\u3092\u4f7f\u7528\u3057\u3066\u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306e\u6b63\u5f53\u306aPAC\u3092\u5165\u624b\u3059\u308b\u3053\u3068\u3067\u5909\u66f4\u3057\u3001\u5143\u306e\u30c1\u30b1\u30c3\u30c8\u306ePAC\u3067\u7f6e\u63db\u3057\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126041-_3d6sdokrb31h\"><\/a>TGT\u3092\u507d\u88c5\u3067\u304d\u308b\u8005<\/h3>\n<p>\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u3092\u5b9f\u884c\u3059\u308b\u57fa\u672c\u7684\u306a\u8981\u4ef6\u3068\u3057\u3066\u3001<a href=\"https:\/\/adsecurity.org\/?p=483\">KRBTGT<\/a>\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u653b\u6483\u8005\u306b\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>KRBTGT\u30a2\u30ab\u30a6\u30f3\u30c8\u306f\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3079\u3066\u306eKerberos TGT\u30c1\u30b1\u30c3\u30c8\u3092\u6697\u53f7\u5316\u3057\u3066\u7f72\u540d\u3057\u307e\u3059\u3002Kerberos\u30c1\u30b1\u30c3\u30c8\u3067\u3059\u3079\u3066\u306e\u691c\u8a3c(KDC\u30b5\u30fc\u30d3\u30b9\u306eTGT\u306e\u6697\u53f7\u5316\u3068\u5fa9\u53f7\u3092\u542b\u3080)\u304c\u3001KRBTGT\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5358\u306bKRBTGT\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u3060\u3051\u3067\u3001\u507d\u9020\u3055\u308c\u305fTGT\u306f\u6709\u52b9\u306a\u30c1\u30b1\u30c3\u30c8\u3068\u898b\u306a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001TGT\u306e\u507d\u9020\u5f8c\u3001\u653b\u6483\u8005\u306fKRBTGT\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3067TGT\u3092\u6697\u53f7\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u65b0\u3057\u3044TGT\u304cKDC\u306e\u691c\u8a3c\u306b\u78ba\u5b9f\u306b\u5408\u683c\u3057\u3066\u3001\u5e0c\u671b\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3092\u767a\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u3068\u306f\u3044\u3048\u3001KRBTGT\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u306e\u5165\u624b\u306f\u5bb9\u6613\u3067\u306a\u3044\u3053\u3068\u306b\u7559\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092\u5165\u624b\u3059\u308b\u3068\u3001\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d3\u30b9\u3068\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3082\u5165\u624b\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6f5c\u4f0f\u304c\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-126041-_sf7afqt8egee\"><\/a>\u5b9f\u969b\u306b\u5831\u544a\u3055\u308c\u3066\u3044\u308b\u507d\u9020\u30c1\u30b1\u30c3\u30c8\u653b\u6483<\/h2>\n<p>\u507d\u9020\u30c1\u30b1\u30c3\u30c8\u653b\u6483\u306f\u73fe\u5b9f\u306b\u78ba\u8a8d\u3055\u308c\u3066\u304a\u308a\u3001\u305f\u3068\u3048\u3070<a href=\"https:\/\/attack.mitre.org\/groups\/G0004\/\">Playful Taurus<\/a> (APT15\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/operation-ke3chang-resurfaces-with-new-tidepool-malware\/\">Ke3chang<\/a>\u3001NICKEL\u3068\u3057\u3066\u3082\u77e5\u3089\u308c\u308b)\u306b\u3088\u308b\u653b\u6483\u306a\u3069\u3067\u898b\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30b0\u30eb\u30fc\u30d7\u306f\u4e2d\u56fd\u56fd\u5916\u3067\u6d3b\u52d5\u3057\u3066\u3044\u308b\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3067\u3042\u308a\u30012010\u5e74\u4ee5\u6765\u3001\u4e16\u754c\u4e2d\u306e\u77f3\u6cb9\u4f1a\u793e\u3001\u653f\u5e9c\u6a5f\u95a2\u3001\u5728\u5916\u516c\u9928\u3001\u8ecd\u4e8b\u7d44\u7e54\u3001\u975e\u653f\u5e9c\u7d44\u7e54\u3092\u6a19\u7684\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>2017\u5e745\u6708\u306b<a href=\"https:\/\/research.nccgroup.com\/2018\/03\/10\/apt15-is-alive-and-strong-an-analysis-of-royalcli-and-royaldns\/\">NCC Group\u306eIR\u30c1\u30fc\u30e0\u304c\u5b9f\u65bd\u3057\u305f\u8abf\u67fb<\/a>\u306b\u3088\u308b\u3068\u3001\u5bfe\u51e6\u63aa\u7f6e\u3092\u5b9f\u65bd\u3059\u308b\u5834\u5408\u306b\u6a19\u7684\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u6f5c\u4f0f\u3059\u308b\u305f\u3081\u306b\u3001Playful Taurus\u306f<a href=\"https:\/\/attack.mitre.org\/software\/S0002\/\">Mimikatz<\/a>\u3092\u4f7f\u7528\u3057\u3066\u8a8d\u8a3c\u60c5\u5831\u3092\u30c0\u30f3\u30d7\u3057\u3001Kerberos Golden Ticket\u3092\u751f\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2021\/12\/06\/nickel-targeting-government-organizations-across-latin-america-and-europe\/\">MSTIC<\/a>\u306e\u8abf\u67fb\u306b\u3088\u308b\u3068\u30012021\u5e7412\u6708\u9803\u306e\u5225\u306e\u6d3b\u52d5\u306b\u304a\u3044\u3066\u3001\u60aa\u610f\u306e\u3042\u308b\u30c4\u30fc\u30eb(Mimikatz\u3001WDigest\u3001NTDSDump\u3068\u3044\u3063\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u30c0\u30f3\u30d7\u30c4\u30fc\u30eb\u306a\u3069)\u3092\u540c\u4e00\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c\u4f7f\u7528\u3057\u3066\u3001\u6a19\u7684\u30b7\u30b9\u30c6\u30e0\u3067\u8a8d\u8a3c\u60c5\u5831\u3092\u53ce\u96c6\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u653b\u6483\u8005\u306fMimikatz\u3092\u4f7f\u7528\u3057\u3066\u4ee5\u4e0b\u306e\u6d3b\u52d5\u3092\u5b9f\u65bd\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u8a8d\u8a3c\u60c5\u5831\u306e\u53ce\u96c6<\/li>\n<li><a href=\"https:\/\/attack.mitre.org\/techniques\/T1003\/006\/\">DCSync\u653b\u6483<\/a>\u306e\u5b9f\u884c<br \/>\n\u3053\u306e\u653b\u6483\u306f<a href=\"https:\/\/social.technet.microsoft.com\/wiki\/contents\/articles\/4592.how-active-directory-replication-works.aspx\">Active Directory\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a>\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u64ec\u4f3c\u7684\u306b\u518d\u73fe\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092\u624b\u306b\u5165\u308c\u307e\u3059\u3002\u3053\u306e\u653b\u6483\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001KRBTGT\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092\u53ce\u96c6\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>Golden Ticket\u306e\u507d\u9020<\/li>\n<\/ul>\n<p>\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306e\u63a8\u6e2c\u3067\u306f\u3001Sapphire Ticket\u653b\u6483\u3068Diamond Ticket\u653b\u6483\u306fGolden Ticket\u653b\u6483\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u3055\u3089\u306b\u767a\u898b\u304c\u56f0\u96e3\u306b\u306a\u308b\u306e\u3067\u3001\u5c06\u6765\u7684\u306b\u591a\u69d8\u306a\u8105\u5a01\u30a2\u30af\u30bf\u30fc(Playful Taurus\u306a\u3069)\u304c\u3053\u308c\u3089\u306e\u653b\u6483\u3092\u4f7f\u7528\u3059\u308b\u5371\u967a\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-126041-_yeho8yg1n0jc\"><\/a>\u507d\u9020\u30c1\u30b1\u30c3\u30c8\u653b\u6483\u306b\u5bfe\u3059\u308b\u691c\u51fa\u624b\u6cd5\u306e\u63d0\u6848<\/h2>\n<p>KRBTGT\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092\u767a\u898b\u3059\u308b\u56f0\u96e3\u3055\u306b\u3088\u308a\u3001\u507d\u9020\u30c1\u30b1\u30c3\u30c8\u653b\u6483\u3067\u306f\u653b\u6483\u958b\u59cb\u524d\u3067\u3082\u591a\u304f\u306e\u5146\u5019\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001Golden Ticket\u653b\u6483\u306b\u9069\u7528\u3055\u308c\u308b\u691c\u51fa\u30a2\u30a4\u30c7\u30a2\u304c\u3053\u3053\u3067\u3082\u95a2\u9023\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u691c\u51fa\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u300c<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/security-operations\/detecting-and-preventing-the-path-to-a-golden-ticket-with-cortex-xdr\/\">Detecting and Preventing the Path to a Golden Ticket With Cortex XDR<\/a>\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3><a id=\"post-126041-_3zk5unkumqyz\"><\/a>Sapphire Ticket<\/h3>\n<p>Sapphire Ticket\u306f\u6709\u52b9(\u3064\u307e\u308a\u3001\u6b63\u5f53\u306aPAC\u306e\u30c1\u30b1\u30c3\u30c8)\u3067\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u306e\u3067\u3001\u5206\u6790\u3060\u3051\u3067\u306f\u4f7f\u7528\u306e\u691c\u51fa\u306f\u56f0\u96e3\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30db\u30b9\u30c8\u3067\u305d\u306e\u4ed6\u306e\u7591\u308f\u3057\u3044\u6d3b\u52d5\u306f\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>KRBTGT\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u7a83\u53d6\u306e\u5146\u5019<\/li>\n<li>\u7591\u308f\u3057\u3044\u30c4\u30fc\u30eb\u306e\u4f7f\u7528<\/li>\n<li>\u74b0\u5883\u306b\u304a\u3051\u308bDCSync\u653b\u6483\u3001\u307e\u305f\u306f\u30db\u30b9\u30c8\u304b\u3089DC\u3078\u306e\u7591\u308f\u3057\u3044\u63a5\u7d9a<\/li>\n<li>U2U\u3068S4U2Self\u306e\u5c5e\u6027\u3092\u6301\u3064\u4e0d\u6b63\u306aKRB_TGS_REQ<\/li>\n<li>\u5bfe\u8c61\u30db\u30b9\u30c8\u304b\u3089\u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308bKRB_TGS_REQ<\/li>\n<\/ul>\n<p>\u653b\u6483\u8005\u304c\u653b\u6483\u76f4\u5f8c\u306b\u30c1\u30b1\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u30012\u4eba\u306e\u7570\u306a\u308b\u30e6\u30fc\u30b6\u30fc\u306e\u540c\u3058IP\u304b\u3089TGT\u8981\u6c42\u3068TGS\u304c\u691c\u51fa\u3055\u308c\u307e\u3059\u3002\u5bfe\u8c61\u30de\u30b7\u30f3\u30672\u756a\u76ee\u306e\u30e6\u30fc\u30b6\u30fc(\u3064\u307e\u308a\u3001TGS\u8981\u6c42\u306b\u8868\u793a\u3055\u308c\u308b\u30e6\u30fc\u30b6\u30fc)\u306e\u8a8d\u8a3c\u306e\u5146\u5019\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001Windows\u30a4\u30d9\u30f3\u30c8\u306e4768\u30684769\u3001\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u76e3\u8996\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_126022\" aria-describedby=\"caption-attachment-126022\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126022 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-32.png\" alt=\"\u56f35\u306f\u3001\u4f4e\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308bTGT\u8981\u6c42\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u540d\u300cJoe\u300d\u304c\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u3082\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"601\" \/><figcaption id=\"caption-attachment-126022\" class=\"wp-caption-text\">\u56f35.\u4f4e\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308bTGT\u8981\u6c42<\/figcaption><\/figure>\n<figure id=\"attachment_126024\" aria-describedby=\"caption-attachment-126024\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126024 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-33.png\" alt=\"\u56f36\u306f\u3001\u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308bTGT\u8981\u6c42\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3042\u308a\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u540d\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30a2\u30c9\u30ec\u30b9\u304c\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\" width=\"900\" height=\"564\" \/><figcaption id=\"caption-attachment-126024\" class=\"wp-caption-text\">\u56f36 \u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308bTGS\u8981\u6c42<\/figcaption><\/figure>\n<h3><a id=\"post-126041-_dvrj1at7q5u3\"><\/a>Diamond Ticket<\/h3>\n<h4><a id=\"post-126041-_x98dxwo9lizg\"><\/a>\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u7528\u30c1\u30b1\u30c3\u30c8\u306e\u751f\u6210<\/h4>\n<p>\u3053\u3053\u3067\u306e\u691c\u51fa\u306fGolden Ticket\u691c\u51fa\u6a5f\u80fd\u307e\u305f\u306f\u63a8\u5968\u306eSapphire Ticket\u691c\u51fa\u6a5f\u80fd\u3068\u975e\u5e38\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4><a id=\"post-126041-_epdcdae9fgxh\"><\/a>\u901a\u5e38\u306e\u30c9\u30e1\u30a4\u30f3\u30e6\u30fc\u30b6\u30fc\u306e\u6a29\u9650\u6607\u683c<\/h4>\n<p>\u653b\u6483\u8005\u304c\u3053\u306e\u624b\u6cd5\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u6b63\u5f53\u306a\u8a8d\u8a3c\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002TGT\u3068TGS\u306e\u8981\u6c42\u306f\u540c\u3058\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3059\u308b\u3082\u306e\u3068\u306a\u308a\u3001\u63a8\u5968\u3055\u308c\u308b\u691c\u51fa\u6a5f\u80fd\u304c\u9069\u5207\u3067\u306f\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6d3b\u52d5\u3092\u76e3\u8996\u3067\u304d\u308b\u65b9\u6cd5\u3067\u306f\u7570\u5e38\u3092\u8abf\u67fb\u3057\u307e\u3059\u304c\u3001\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u6570\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u306e\u5185\u5bb9\u306e\u4e21\u65b9\u3067\u8abf\u3079\u307e\u3059\u3002\u653b\u6483\u8005\u304c\u9ad8\u7279\u6a29\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u306e\u3067\u3001\u3053\u306e\u6d3b\u52d5\u306f\u65b0\u898f\u306b\u306a\u308a\u307e\u3059\u3002\u7570\u5e38\u691c\u51fa\u306f\u5927\u898f\u6a21\u74b0\u5883\u3067\u306f\u6271\u3044\u306b\u6ce8\u610f\u3092\u8981\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u653b\u6483\u304c\u767a\u898b\u3055\u308c\u305a\u306b\u6df7\u4e71\u3092\u62db\u304f\u5371\u967a\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u91cd\u8981\u306a\u7559\u610f\u70b9\u3068\u3057\u3066\u3001Diamond Ticket\u3068Sapphire Ticket\u3068\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001Sapphire Ticket\u306b\u306f\u672c\u7269\u306e\u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u306e\u5b9f\u969b\u306ePAC\u304c\u3042\u308b\u70b9\u3067\u3059\u3002Diamond Ticket\u653b\u6483\u3068Golden Ticket\u653b\u6483\u3067\u306f\u3001PAC\u304c\u653b\u6483\u8005\u306b\u3088\u3063\u3066\u5909\u66f4\u3055\u308c\u3001\u4e0d\u6b63\u78ba\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u60c5\u5831\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u308c\u3089\u306e\u653b\u6483\u3092\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-126041-_nvotkfq2z2tl\"><\/a>\u30b0\u30eb\u30fc\u30d7\u30e1\u30f3\u30d0\u30fc\u30b7\u30c3\u30d7\u306e\u691c\u51fa<\/h3>\n<p>\u3053\u306e\u691c\u51fa\u624b\u6cd5\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u300c<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/security\/threat-protection\/auditing\/event-4627\">Windows\u30a4\u30d9\u30f3\u30c84627(S): Group membership information<\/a>\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u3001Windows\u30a4\u30d9\u30f3\u30c8\u306e4624(S)\u3068\u3068\u3082\u306b\u751f\u6210\u3055\u308c\u307e\u3059\u30024624(S)\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30ed\u30b0\u30aa\u30f3\u6210\u529f\u3092\u793a\u3057\u3001\u30ed\u30b0\u30aa\u30f3\u6e08\u307f\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u6240\u5c5e\u30b0\u30eb\u30fc\u30d7\u306e\u4e00\u89a7\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_126026\" aria-describedby=\"caption-attachment-126026\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126026 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-34.png\" alt=\"\" width=\"900\" height=\"1456\" \/><figcaption id=\"caption-attachment-126026\" class=\"wp-caption-text\">\u56f37 Windows\u30a4\u30d9\u30f3\u30c84627.<em>\u51fa\u5178<\/em>: <a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/security\/threat-protection\/auditing\/event-4627\">Microsoft<\/a><\/figcaption><\/figure>\n<p>\u3053\u308c\u306b\u306f\u3001Windows Server 2016\u3001Windows 10\u4ee5\u4e0a\u306eOS\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u5fc5\u8981\u3067\u3059\u3002\u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/security\/threat-protection\/auditing\/audit-logon\">Audit Logon<\/a>\u30b5\u30d6\u30ab\u30c6\u30b4\u30ea\u3067Success Audit\u3092\u6709\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u76e3\u8996\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30b0\u30eb\u30fc\u30d7\u30e1\u30f3\u30d0\u30fc\u30b7\u30c3\u30d7\u3067\u306e\u4e0d\u898f\u5247\u6027\u3092\u767a\u898b\u3067\u304d\u307e\u3059\u3002\u507d\u9020\u3055\u308c\u305f\u30c1\u30b1\u30c3\u30c8\u306b\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u6a29\u9650\u3092\u5272\u308a\u5f53\u3066\u305f\u3044\u653b\u6483\u8005\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005RID(512)\u3092PAC\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30ed\u30b0\u30a4\u30f3\u6642\u306b\u30e6\u30fc\u30b6\u30fc\u304c\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u306e\u4e00\u90e8\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3068\u3057\u3066\u3001\u4f4e\u7279\u6a29\u30e6\u30fc\u30b6\u30fc(\u5f15\u304d\u7d9a\u304d\u300cJoe\u300d\u3092\u4f7f\u7528)\u3092\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u6a29\u9650\u306b\u6607\u683c\u3055\u305b\u308bDiamond Ticket\u653b\u6483\u306e\u4f7f\u7528\u304c\u3042\u308a\u307e\u3059(\u56f38\u30689\u3092\u53c2\u7167)\u3002<\/p>\n<figure id=\"attachment_126028\" aria-describedby=\"caption-attachment-126028\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126028 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-35.png\" alt=\"\u56f38\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u306f\u3001Windows\u30a4\u30d9\u30f3\u30c84627\u306b\u4f4e\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u69d8\u5b50\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5f37\u8abf\u90e8\u5206\u306f\u3001Joe\u306e\u540d\u524d\u3068\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u3068\u3057\u3066\u306e\u30e1\u30f3\u30d0\u30fc\u30b7\u30c3\u30d7\u30a2\u30af\u30bb\u30b9\u3067\u3059\u3002 \" width=\"900\" height=\"599\" \/><figcaption id=\"caption-attachment-126028\" class=\"wp-caption-text\">\u56f38.\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u308b\u4f4e\u7279\u6a29\u30e6\u30fc\u30b6\u30fc<\/figcaption><\/figure>\n<figure id=\"attachment_126030\" aria-describedby=\"caption-attachment-126030\" style=\"width: 792px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-126030 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/12\/word-image-36.png\" alt=\"\u56f39\u306f\u3001Joe\u304c\u300cMembers(\u30e1\u30f3\u30d0\u30fc)\u300d\u30bf\u30d6\u306b\u5217\u6319\u3055\u308c\u308b\u30e1\u30f3\u30d0\u30fc\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u793a\u3059\u300cDomain Admins Properties(Domain Admins \u30d7\u30ed\u30d1\u30c6\u30a3)\u300d\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\" width=\"792\" height=\"746\" \/><figcaption id=\"caption-attachment-126030\" class=\"wp-caption-text\">\u56f39 Joe\u306f\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u306e\u30e1\u30f3\u30d0\u30fc\u3067\u306f\u306a\u3044<\/figcaption><\/figure>\n<p>\u653b\u6483\u8005\u304c\u507d\u9020TGT\u3092\u4f7f\u7528\u3057\u3066\u9ad8\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u3092\u507d\u88c5\u3059\u308b\u5834\u5408\u3001\u8aa4\u3063\u305f\u30b0\u30eb\u30fc\u30d7\u30e1\u30f3\u30d0\u30fc\u30b7\u30c3\u30d7\u3092\u5272\u308a\u5f53\u3066\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306f\u3001\u6ce8\u76ee\u306b\u5024\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u305d\u308c\u3089\u306b\u3082\u6ce8\u610f\u3092\u6255\u3046\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u8aa4\u691c\u77e5\u3092\u907f\u3051\u308b\u305f\u3081\u306b(\u30e6\u30fc\u30b6\u30fc\u304c\u9ad8\u7279\u6a29\u30b0\u30eb\u30fc\u30d7\u306b\u610f\u56f3\u7684\u306b\u8ffd\u52a0\u3055\u308c\u308b\u3068\u304d)\u3001\u30a4\u30d9\u30f3\u30c84627\u3092Windows\u30a4\u30d9\u30f3\u30c8\u306e<a href=\"https:\/\/www.ultimatewindowssecurity.com\/securitylog\/encyclopedia\/event.aspx?eventid=4732\">4732<\/a>\u3068<a href=\"https:\/\/www.ultimatewindowssecurity.com\/securitylog\/encyclopedia\/event.aspx?eventID=4728\">4728<\/a>(\u30e6\u30fc\u30b6\u30fc\u304c\u30b0\u30eb\u30fc\u30d7\u306b\u8ffd\u52a0\u3055\u308c\u308b\u3068\u8868\u793a)\u3068\u76f8\u95a2\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-126041-_s8zsjfs5c604\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u672c\u7a3f\u3067\u306f\u3001\u95a2\u9023\u3059\u308bKerberos\u7528\u8a9e\u3092\u7c21\u5358\u306b\u7d39\u4ecb\u3057\u305f\u5f8c\u3001\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u306e\u5b9f\u884c\u306b\u5fc5\u8981\u306a\u6a29\u9650\u3001\u304a\u3088\u3073\u3055\u307e\u3056\u307e\u306a\u507d\u9020\u30c1\u30b1\u30c3\u30c8\u653b\u6483\u3092\u76e3\u8996\u3059\u308b\u91cd\u8981\u6027\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001Golden Ticket\u653b\u6483\u3068\u65b0\u3057\u3044\u653b\u6483\u624b\u6cd5\u3092\u6271\u3046\u969b\u306b\u53ef\u80fd\u306a\u691c\u51fa\u30a2\u30a4\u30c7\u30a2\u304c\u5f79\u7acb\u3064\u53ef\u80fd\u6027\u3064\u3044\u3066\u8003\u5bdf\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u507d\u9020\u30c1\u30b1\u30c3\u30c8\u653b\u6483\u306f\u4e00\u898b\u3057\u305f\u3068\u3053\u308d\u691c\u51fa\u56f0\u96e3\u306b\u601d\u308f\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u3053\u306e\u507d\u9020\u30c1\u30b1\u30c3\u30c8\u304c\u6700\u521d\u306f\u6b63\u5f53\u306a\u3082\u306e\u306b\u898b\u3048\u308b\u304b\u3089\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u7591\u308f\u3057\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6d3b\u52d5\u3001\u60aa\u610f\u306e\u3042\u308b\u30c4\u30fc\u30eb\u306e\u4f7f\u7528\u3001Windows\u30a4\u30d9\u30f3\u30c8\u306b\u3064\u3044\u3066\u5341\u5206\u306a\u60c5\u5831\u304c\u53ce\u96c6\u3055\u308c\u308b\u3068\u3001\u52b9\u529b\u306e\u3042\u308bKerberos\u653b\u6483\u3092\u3044\u304f\u3064\u304b\u691c\u51fa\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\">Cortex XDR<\/a>\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u306e\u5404\u6bb5\u968e\u3067\u4fdd\u8b77\u3068\u53ef\u8996\u5316\u3092\u884c\u3046\u5c64\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-126041-_yuivixdtdb6h\"><\/a>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/h2>\n<p>\u300c<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/security-operations\/detecting-and-preventing-the-path-to-a-golden-ticket-with-cortex-xdr\/\">Detecting and Preventing the Path to a Golden Ticket With Cortex XDR<\/a>\u300d: \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9<br \/>\n\u300c<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/security-operations\/bronze-bit-vulnerability-xdr\/?lang=ja\">CortexXDR\u306b\u3088\u308bBronze Bit\u8106\u5f31\u6027\u304b\u3089\u306e\u4fdd\u8b77<\/a>\u300d: \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9<br \/>\n\u300c<a href=\"https:\/\/start.paloaltonetworks.jp\/essential-guide-to-xdr.html\">The Essential Guide to XDR<\/a>\u300d: \u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9<br \/>\n\u300c<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/archive\/blogs\/openspecification\/understanding-microsoft-kerberos-pac-validation\">Understanding Microsoft Kerberos PAC Validation<\/a>\u300d: Microsoft<br \/>\n\u300c<a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc4120\">The Kerberos Network Authentication Service (V5)<\/a>\u300d: MIT<br \/>\n\u300c<a href=\"https:\/\/www.semperis.com\/blog\/a-diamond-ticket-in-the-ruff\/\">A Diamond (Ticket) in the Ruff<\/a>\u300d: Semperis<\/p>\n<h2><a id=\"post-126041-_a6j8vnbt23xx\"><\/a>\u4ed8\u9332: \u7528\u8a9e\u96c6<\/h2>\n<p><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows-server\/security\/kerberos\/kerberos-constrained-delegation-overview\"><strong>\u5236\u7d04\u4ed8\u304d\u59d4\u4efb<\/strong><\/a>: \u30b5\u30fc\u30d3\u30b9\u306b\u3088\u3063\u3066\u4f7f\u7528\u3067\u304d\u308b\u59d4\u4efb\u3092\u5b89\u5168\u306a\u5f62\u3067\u63d0\u4f9b\u3057\u307e\u3059\u3002\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u6307\u5b9a\u30b5\u30fc\u30d0\u30fc\u304c\u30e6\u30fc\u30b6\u30fc\u306e\u4ee3\u7406\u3067\u52d5\u4f5c\u3067\u304d\u308b\u5bfe\u8c61\u30b5\u30fc\u30d3\u30b9\u304c\u5236\u7d04\u4ed8\u304d\u59d4\u4efb\u3067\u5236\u9650\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><strong>DCSync\u653b\u6483<\/strong>: Windows\u30c9\u30e1\u30a4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9(API)\u3092\u60aa\u7528\u3057\u3066\u3001\u30ea\u30e2\u30fc\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30bb\u30b9\u3092\u64ec\u4f3c\u7684\u306b\u518d\u73fe\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30c9\u30e1\u30a4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9(DC)<\/strong>: \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c9\u30e1\u30a4\u30f3\u5185\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a8d\u8a3c\u8981\u6c42\u306b\u5fdc\u7b54\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30db\u30b9\u30c8\u306b\u8a31\u53ef\u3057\u307e\u3059\u3002AD\u74b0\u5883\u3067\u306eKDC\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<p><strong>ENC-TKT-IN-SKEY<\/strong>: \u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6307\u5b9a\u306b\u3088\u308a\u3001\u6e21\u3055\u308c\u308b\u8ffd\u52a0TGT\u304b\u3089\u30bb\u30c3\u30b7\u30e7\u30f3\u9375\u3067\u30a8\u30f3\u30c9\u30b5\u30fc\u30d0\u30fc\u306e\u30c1\u30b1\u30c3\u30c8\u304c\u6697\u53f7\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><strong>Golden Ticket\u653b\u6483<\/strong>: KRBTGT\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092\u6301\u3064\u653b\u6483\u8005\u304c\u3001\u300cGolden Ticket\u300d\u3068\u547c\u3070\u308c\u308bKerberos\u306e\u30c1\u30b1\u30c3\u30c8\u4fdd\u8a3c\u30c1\u30b1\u30c3\u30c8(TGT)\u3092\u507d\u9020\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3053\u306e\u30c1\u30b1\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001Active Directory\u3067\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u8a8d\u8a3c\u8cc7\u6599\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>Kerberos<\/strong>: Active Directory\u74b0\u5883\u3067\u4e3b\u306b\u4f7f\u7528\u3055\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/defender-for-identity\/security-assessment-unconstrained-kerberos\"><strong>Kerberos\u59d4\u4efb<\/strong><\/a>: \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u30a2\u30af\u30bb\u30b9\u8a8d\u8a3c\u60c5\u5831\u306e\u8981\u6c42\u3092\u8a31\u53ef\u3059\u308b\u59d4\u4efb\u8a2d\u5b9a\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u8981\u6c42\u5143\u30e6\u30fc\u30b6\u30fc\u306e\u4ee3\u7406\u3067\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>Key Distribution Center (\u30ad\u30fc\u914d\u5e03\u30bb\u30f3\u30bf\u30fc - KDC)<\/strong>: \u6697\u53f7\u5316\u6280\u8853\u306b\u304a\u3051\u308b\u30ad\u30fc\u914d\u5e03\u30bb\u30f3\u30bf\u30fc\u306f\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3084\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30c7\u30fc\u30bf\u3092\u5171\u6709\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30e6\u30fc\u30b6\u30fc\u306b\u9375\u3092\u63d0\u4f9b\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<\/p>\n<p><strong>KRBTGT\u30a2\u30ab\u30a6\u30f3\u30c8<\/strong>: \u30ed\u30fc\u30ab\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u3042\u308a\u3001KDC\u30b5\u30fc\u30d3\u30b9\u306e\u30b5\u30fc\u30d3\u30b9\u30a2\u30ab\u30a6\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<p><strong>PA-FOR-USER<\/strong>: \u30e6\u30fc\u30b6\u30fc\u306e\u7279\u5b9a\u306b\u4f7f\u7528\u3055\u308c\u308b\u69cb\u9020\u4f53\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u4ee3\u7406\u3067\u3001\u30b5\u30fc\u30d3\u30b9\u304c\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30e6\u30fc\u30b6\u30fc\u30ec\u30eb\u30e0\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30fc\u30d3\u30b9\u30c1\u30b1\u30c3\u30c8\u3092\u8981\u6c42\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u7279\u6a29\u5c5e\u6027\u8a3c\u660e(PAC)<\/strong>: \u8a8d\u8a3c\u95a2\u9023\u60c5\u5831\u3092\u793a\u3059\u69cb\u9020\u4f53\u3067\u3042\u308a\u3001\u8a8d\u8a3c\u95a2\u9023\u60c5\u5831\u306f\u30c9\u30e1\u30a4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9(DC)\u3067\u6e21\u3055\u308c\u307e\u3059\u3002PAC\u3092\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u4f7f\u7528\u3057\u3066ID\u3092\u691c\u8a3c\u3057\u3001\u8a8d\u8a3c\u60c5\u5831\u3092\u8ee2\u9001\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<\/p>\n<p><strong>S4U<\/strong>: \u30e6\u30fc\u30b6\u30fc\u306eTGT\u3092\u30e1\u30e2\u30ea\u306b\u4fdd\u6301\u3059\u308b\u306e\u3092\u907f\u3051\u308b\u305f\u3081\u306eKerberos\u62e1\u5f35\u6a5f\u80fd\u3067\u3059\u3002S4U2Self\u3068S4U2Proxy\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><strong>S4U2Proxy<\/strong>: \u3042\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u5225\u306e\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u8a8d\u8a3c\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/p>\n<p><strong>S4U2Self<\/strong>: \u30e6\u30fc\u30b6\u30fc\u306e\u4ee3\u7406\u3067\u30b5\u30fc\u30d3\u30b9\u304c\u81ea\u5206\u81ea\u8eab\u306b\u30c1\u30b1\u30c3\u30c8\u3092\u8981\u6c42\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u30b5\u30fc\u30d3\u30b9\u30d7\u30ea\u30f3\u30b7\u30d1\u30eb\u540d(SPN)<\/strong>: \u30b5\u30fc\u30d3\u30b9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3067\u3059\u3002SPN\u306fKerberos\u8a8d\u8a3c\u3067\u4f7f\u7528\u3055\u308c\u3001\u30b5\u30fc\u30d3\u30b9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u30b5\u30fc\u30d3\u30b9 \u30ed\u30b0\u30aa\u30f3 \u30a2\u30ab\u30a6\u30f3\u30c8\u3068\u306e\u95a2\u9023\u4ed8\u3051\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p><strong>Ticket Granting Service (\u30c1\u30b1\u30c3\u30c8\u4fdd\u8a3c\u30b5\u30fc\u30d3\u30b9 - TGS)<\/strong>: \u6307\u5b9a\u3057\u305f\u76ee\u7684(\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30b5\u30fc\u30d3\u30b9 \u30a2\u30af\u30bb\u30b9\u306a\u3069)\u3067\u30c1\u30b1\u30c3\u30c8\u306e\u4f7f\u7528\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30c1\u30b1\u30c3\u30c8\u4fdd\u8a3c\u30c1\u30b1\u30c3\u30c8(TGT)<\/strong>: KDC\u304c\u767a\u884c\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u30c8\u30fc\u30af\u30f3\u3067\u3042\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u306b\u9023\u7d50\u3055\u308c\u305f\u7279\u5b9a\u306e\u30ea\u30bd\u30fc\u30b9\/\u30b7\u30b9\u30c6\u30e0\u3067Ticket Granting Service (TGS)\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u30c8\u30fc\u30af\u30f3\u8981\u6c42\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><strong>U2U\u8a8d\u8a3c<\/strong>: \u691c\u8a3c\u8005\u304c\u9577\u671f\u306e\u30b5\u30fc\u30d3\u30b9\u9375\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3068\u304d\u306b\u8a8d\u8a3c\u3092\u5b9f\u884c\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001Kerberos\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u306f\u3001\u8a8d\u8a3c\u691c\u8a3c\u6a5f\u95a2\u306b\u5bfe\u3057\u3066\u767a\u884c\u3055\u308c\u305fTGT\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u9375\u3092\u4f7f\u7528\u3057\u3066\u3001KDC\u304b\u3089\u767a\u884c\u3055\u308c\u305f\u30c1\u30b1\u30c3\u30c8\u3092\u6697\u53f7\u5316\u3059\u308b\u3088\u3046\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u8981\u6c42\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u304c\u3001\u65b0\u305f\u306a\u691c\u51fa\u624b\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u691c\u51fa\u624b\u6cd5\u306b\u3088\u308a\u3001\u65b0\u7a2e\u306eKerberos\u653b\u6483(\u653b\u6483\u8005\u306fKerberos\u30c1\u30b1\u30c3\u30c8\u3092\u5909\u66f4\u3057\u3066\u7279\u6a29\u30a2\u30af\u30bb\u30b9\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd)\u306e\u691c\u51fa\u7387\u3092\u5411\u4e0a\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"author":323,"featured_media":134378,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4436,4435,4428],"tags":[5321,5323,5325,4791,5327],"product_categories":[4448],"coauthors":[3775,3774],"class_list":["post-126041","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-cybersecurity-research-ja","category-learning-hub-ja","category-threat-research-ja","tag-diamond-ticket-ja","tag-golden-ticket-ja","tag-kerberos-ja","tag-privilege-escalation-ja","tag-sapphire-ticket-ja","product_categories-cortex-xdr-ja"],"yoast_head":"<!-- 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