{"id":103518,"date":"2020-01-28T00:58:57","date_gmt":"2020-01-28T08:58:57","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=103518"},"modified":"2020-01-28T00:59:14","modified_gmt":"2020-01-28T08:59:14","slug":"xhunt-campaign-new-watering-hole-identified-for-credential-harvesting","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/xhunt-campaign-new-watering-hole-identified-for-credential-harvesting\/","title":{"rendered":"xHunt\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3: \u8cc7\u683c\u60c5\u5831\u53ce\u96c6\u7528\u306e\u65b0\u305f\u306a\u6c34\u98f2\u307f\u5834\u304c\u898b\u3064\u304b\u308b"},"content":{"rendered":"<h2><a id=\"post-103518-executive-summary\"><\/a>\u6982\u8981<\/h2>\n<p>\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u8abf\u67fb\u30c1\u30fc\u30e0Unit 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\u300cfile:\/\/\/\\\\microsofte-update[.]com\\c$\\\u300d\u304b\u3089\u30ed\u30fc\u30c9\u3057\u3088\u3046\u3068\u3059\u308b\u69d8\u5b50\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002 \u300cvisibility:hidden\u300d\u3068\u3044\u3046style\u5c5e\u6027\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u3053\u306eURI\u306fweb\u30b5\u30a4\u30c8\u306e\u8a2a\u554f\u8005\u306b\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u540cURI\u306f\u3001\u00a0<a href=\"https:\/\/tools.ietf.org\/html\/rfc8089\">\u300cfile\u300dURI\u30b9\u30ad\u30fc\u30e0<\/a>\u3092\u4f7f\u3063\u3066FQDN\u3067\u6307\u5b9a\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u540d microsofte-update[.]com \u3092\u30db\u30b9\u30c8\u3068\u3057\u3066\u6307\u5b9a\u3057\u3001\u300cc$\u300d\u3092\u753b\u50cf\u3078\u306e\u30d1\u30b9\u3068\u3057\u3066\u6307\u5b9a\u3057\u3066\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002 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width=\"620\" height=\"128\"  class=\"wp-image-103521 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-1-image-hosted-on-kuwaiti-government-websi.png\" alt=\"Figure 1. Image hosted on Kuwaiti government website Header in mid-2019\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-1-image-hosted-on-kuwaiti-government-websi.png 620w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-1-image-hosted-on-kuwaiti-government-websi-300x62.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-1-image-hosted-on-kuwaiti-government-websi-370x76.png 370w\" sizes=\"(max-width: 620px) 100vw, 620px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f31 2019\u5e74\u4e2d\u9803\u306b\u30af\u30a6\u30a7\u30fc\u30c8\u653f\u5e9c\u306eweb\u30b5\u30a4\u30c8\u306e\u30d8\u30c3\u30c0\u306b\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u3066\u3044\u305f\u753b\u50cf<\/span><\/p>\n<p><img width=\"733\" height=\"119\"  class=\"wp-image-103523 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-2-image-hosted-on-kuwaiti-government-websi.png\" alt=\"Figure 2. Image hosted on Kuwaiti government website Footer in late-2019\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-2-image-hosted-on-kuwaiti-government-websi.png 733w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-2-image-hosted-on-kuwaiti-government-websi-300x49.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-2-image-hosted-on-kuwaiti-government-websi-370x60.png 370w\" sizes=\"(max-width: 733px) 100vw, 733px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f32 2019\u5e74\u306e\u7d42\u308f\u308a\u306b\u30af\u30a6\u30a7\u30fc\u30c8\u653f\u5e9c\u306eweb\u30b5\u30a4\u30c8\u306e\u30d5\u30c3\u30bf\u306b\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u3066\u3044\u305f\u753b\u50cf<\/span><\/p>\n<p>\u79c1\u305f\u3061\u306f\u300c\u653b\u6483\u8005\u306fweb\u30da\u30fc\u30b8\u306e\u8a2a\u554f\u8005\u304b\u3089NTLM\u30cf\u30c3\u30b7\u30e5\u306e\u5f62\u5f0f\u3067\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u8cc7\u683c\u60c5\u5831\u3092\u53d7\u52d5\u7684\u306b\u53ce\u96c6\u3059\u308b\u76ee\u7684\u3067\u3053\u306e\u30b3\u30fc\u30c9\u884c\u3092\u542b\u3081\u305f\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u300d\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002Windows\u30d9\u30fc\u30b9\u306e\u30de\u30b7\u30f3\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u8a8d\u8a3c\u6642\u306bNTLM\u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30b3\u30fc\u30c9\u3092\u542b\u3080web\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u304c\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u3082\u3046\u3068\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30ea\u30e2\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u3001Windows\u306fNTLM\u30c1\u30e3\u30ec\u30f3\u30b8\/\u30ec\u30b9\u30dd\u30f3\u30b9\u8a8d\u8a3c\u8a66\u884c\u3092\u5b9f\u65bd\u3057\u307e\u3059\u3002\u4eee\u306b\u3001URI\u3067\u6307\u5b9a\u3055\u308c\u305f\u30a2\u30af\u30bf\u30fc\u5236\u5fa1\u4e0b\u306e\u30b5\u30fc\u30d0\u30fc\u304cNTLM\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u30a8\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u304b\u3064\u3001web\u30b5\u30a4\u30c8\u306e\u8a2a\u554f\u8005\u304c\u5b58\u5728\u3059\u308b\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u30d6\u30ed\u30c3\u30af\uff08SMB\uff09\u3084NetBIOS\u306a\u3069\u3001\u5185\u90e8Windows\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3088\u3063\u3066\u30a2\u30af\u30bf\u30fc\u5236\u5fa1\u4e0b\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5230\u9054\u53ef\u80fd\u3067\u3042\u308c\u3070\u3001\u5f53\u8a72\u30a2\u30af\u30bf\u30fc\u306f\u305d\u306e\u8a2a\u554f\u8005\u306eNTLM\u30cf\u30c3\u30b7\u30e5\u306a\u3069\u30b7\u30b9\u30c6\u30e0\u60c5\u5831\u3092\u6355\u6349\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002NTLM\u30cf\u30c3\u30b7\u30e5\u3092\u6355\u6349\u5f8c\u3001\u653b\u6483\u8005\u306f\u305d\u306e\u30cf\u30c3\u30b7\u30e5\u3092\u89e3\u8aad\u3059\u308b\u3053\u3068\u3067\u30e6\u30fc\u30b6\u30fc\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u305f\u308a\u3001\u30ea\u30ec\u30fc\u653b\u6483\u306bNTLM\u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7d44\u7e54\u306e\u5b8c\u5168\u306a\u4fb5\u5bb3\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u653b\u6483\u8005\u304c\u9577\u671f\u9593\u691c\u51fa\u3055\u308c\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u7406\u8ad6\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u3001\u79c1\u305f\u3061\u306f <a href=\"https:\/\/github.com\/lgandx\/Responder\">Responder<\/a> \u30c4\u30fc\u30eb\u3092\u691c\u8a3c\u30e9\u30dc\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3057\u3066\u3001\u30c9\u30e1\u30a4\u30f3 microsofte-update[.]com \u304c\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u540d\u524d\u89e3\u6c7a\u3055\u308c\u308b\u3088\u3046\u69cb\u6210\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u306e\u3061\u3001HTML\u30b3\u30fc\u30c9\u304c\u633f\u5165\u3055\u308c\u305f\u691c\u8a3c\u30e9\u30dc\u306e\u5225\u306e\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u5f53\u8a72web\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001Responder\u30c4\u30fc\u30eb\u304cweb\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u30c9\u30e1\u30a4\u30f3\u540d\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3001IP\u30a2\u30c9\u30ec\u30b9\u3001\u304a\u3088\u3073NTLM\u30cf\u30c3\u30b7\u30e5\u3092\u53ce\u96c6\u3059\u308b\u69d8\u5b50\u3092\u89b3\u5bdf\u3057\u307e\u3057\u305f(\u56f33\u53c2\u7167)\u3002<\/p>\n<p><img width=\"718\" height=\"1024\"  class=\"wp-image-103525 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-3-spiderlab-responder-collection-output.png\" alt=\"Figure 3. Spiderlab Responder collection output\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-3-spiderlab-responder-collection-output.png 718w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-3-spiderlab-responder-collection-output-210x300.png 210w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-3-spiderlab-responder-collection-output-370x528.png 370w\" sizes=\"(max-width: 718px) 100vw, 718px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f33 Spiderlab Responder\u306b\u3088\u308b\u53ce\u96c6\u7d50\u679c<\/span><\/p>\n<h3><a id=\"post-103518-dns-redirects\"><\/a>DNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/h3>\n<p>\u30af\u30a6\u30a7\u30fc\u30c8\u7d44\u7e54\u306eweb\u30da\u30fc\u30b8\u3067\u306eResponder\u306b\u3088\u308b\u53ce\u96c6\u6d3b\u52d5\u3092\u5206\u6790\u4e2d\u3001<a href=\"https:\/\/www.paloaltonetworks.com\/cortex\/autofocus\">AutoFocus<\/a>\u5185\u306e\u95a2\u9023\u30a4\u30f3\u30d5\u30e9\u5206\u6790\u306b\u3088\u308a\u3001DNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5\u5146\u5019\u304c\u89b3\u6e2c\u3055\u308c\u307e\u3057\u305f\u30022019\u5e745\u6708\u306b\u3001\u30af\u30a6\u30a7\u30fc\u30c8\u5185\u306e\u7d44\u7e54\u306b\u5c5e\u3059\u308b\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u3001\u540c\u3058\u671f\u9593\u4e2d\u3001xHunt\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u304c\u4f7f\u7528\u3059\u308b\u30cd\u30c3\u30c8\u30d6\u30ed\u30c3\u30af\u5185\u306e\u30a4\u30f3\u30d5\u30e9\u306b\u540d\u524d\u3092\u89e3\u6c7a\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3059(\u56f34\u53c2\u7167)\u3002<\/p>\n<p><img width=\"960\" height=\"66\"  class=\"wp-image-103527 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-4-example-dns-redirect-activity-observed-i.png\" alt=\"Figure 4. Example DNS redirect activity observed in April and May 2019\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-4-example-dns-redirect-activity-observed-i.png 960w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-4-example-dns-redirect-activity-observed-i-300x21.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-4-example-dns-redirect-activity-observed-i-768x53.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-4-example-dns-redirect-activity-observed-i-900x62.png 900w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-4-example-dns-redirect-activity-observed-i-370x25.png 370w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f34 2019\u5e744\u6708\u30685\u6708\u306b\u89b3\u6e2c\u3055\u308c\u305fDNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5\u306e\u4f8b<\/span><\/p>\n<p>RiskIQ PassiveTotal\u5185\u3067\u898b\u3064\u304b\u3063\u305f\u3053\u306e\u6d3b\u52d5\u3092\u3082\u3068\u306b\u63a2\u7d22\u3092\u7d9a\u3051\u305f\u3068\u3053\u308d\u30012019\u5e744\u6708\u3001\u540c\u3058\u540d\u524d\u89e3\u6c7a\u306e\u5909\u66f4\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u30af\u30a6\u30a7\u30fc\u30c8\u653f\u5e9c\u7d44\u7e54\u3092\u8ffd\u52a0\u3067\u7279\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p><img width=\"960\" height=\"87\"  class=\"wp-image-103529 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-5-riskiq-passivetotal-indication-of-dns-re.png\" alt=\"Figure 5. RiskIQ PassiveTotal indication of DNS redirect activity\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-5-riskiq-passivetotal-indication-of-dns-re.png 960w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-5-riskiq-passivetotal-indication-of-dns-re-300x27.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-5-riskiq-passivetotal-indication-of-dns-re-768x70.png 768w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-5-riskiq-passivetotal-indication-of-dns-re-900x82.png 900w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-5-riskiq-passivetotal-indication-of-dns-re-370x34.png 370w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f35 RiskIQ\u306ePassiveTotal\u3067\u78ba\u8a8d\u3057\u305fDNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5\u306e\u5146\u5019<\/span><\/p>\n<p>\u307e\u305f\u3053\u308c\u3089\u306e\u5909\u66f4\u304b\u3089\u3001xHunt\u306e\u6d3b\u52d5\u306b\u95a2\u9023\u3059\u308b\u8ffd\u52a0DNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306e\u30a4\u30f3\u30d5\u30e9\u7279\u5b9a\u306b\u81f3\u308a\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u30012018\u5e74\u306eSakabota\u30012019\u5e74\u306eHisoka\u306e\u4e21\u653b\u6483\u6d3b\u52d5\u306b\u95a2\u9023\u3059\u308bDNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5\u3082\u7279\u5b9a\u3067\u304d\u307e\u3057\u305f\u3002\u89b3\u6e2c\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u3001\u30af\u30a6\u30a7\u30fc\u30c8\u653f\u5e9c\u3001\u30af\u30a7\u30fc\u30c8\u306e\u6c11\u9593\u7d44\u7e54\u306b\u95a2\u9023\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u56f36\u306f\u3001\u3042\u308b\u6d3b\u52d5\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u306e\u4e00\u4f8b\u3067\u3001\u4e00\u756a\u4e0a\u306e\u884c\u306f\u6a19\u7684\u3068\u306a\u3063\u305f\u7d44\u7e54\u3092\u793a\u3057\u3001\u771f\u3093\u4e2d\u306e\u884c\u306f\u30a4\u30f3\u30d5\u30e9\u306e\u5909\u66f4\u3092\u793a\u3057\u3001\u4e00\u756a\u4e0b\u306e\u884c\u306f\u95a2\u9023\u3059\u308bxHunt\u30c9\u30e1\u30a4\u30f3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img width=\"720\" height=\"405\"  class=\"wp-image-103531 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-6-sakabota-and-hisoka-dns-redirect-activit.jpeg\" alt=\"Figure 6. Sakabota and Hisoka DNS redirect activity Timeline\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-6-sakabota-and-hisoka-dns-redirect-activit.jpeg 720w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-6-sakabota-and-hisoka-dns-redirect-activit-300x169.jpeg 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/01\/figure-6-sakabota-and-hisoka-dns-redirect-activit-370x208.jpeg 370w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">\u56f36 Sakabota\u3001Hisoka\u306eDNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3<\/span><\/p>\n<p><a href=\"https:\/\/www.fireeye.com\/blog\/threat-research\/2019\/01\/global-dns-hijacking-campaign-dns-record-manipulation-at-scale.html\">FireEye<\/a>\u3001<a href=\"https:\/\/www.crowdstrike.com\/blog\/widespread-dns-hijacking-activity-targets-multiple-sectors\/\">Crowdstrike<\/a>\u3001<a href=\"https:\/\/blog.talosintelligence.com\/2019\/04\/seaturtle.html\">Cisco Talos<\/a>\u306e\u5404\u793e\u3082\u5831\u544a\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u3001Unit 42 \u304c\u89b3\u6e2c\u3057\u305f\u6d3b\u52d5\u306b\u304a\u3044\u3066\u3082\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u5909\u66f4\u3068\u540c\u6642\u306b\u3001\u8907\u6570\u306eLet's Encrypt\u8a3c\u660e\u66f8\u304c\u4f5c\u6210\u3055\u308c\u305f\u69d8\u5b50\u304c\u89b3\u6e2c\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u8a3c\u660e\u66f8\u306b\u306f\u3059\u3079\u3066\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u5f53\u8a72DNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306b\u3088\u308a\u3001\u8a2a\u554f\u8005\u60c5\u5831\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u306b\u6210\u529f\u3057\u305f\u304b\u3069\u3046\u304b\u306f\u5206\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5\u3092\u3046\u3051\u3001\u79c1\u305f\u3061\u306f\u3055\u3089\u306b\u3001\u4ee5\u524d\u306eDNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5\u3067\u5831\u544a\u3055\u308c\u3066\u3044\u305f\u30a4\u30f3\u30d5\u30e9\u306b\u3064\u3044\u3066\u306e\u8abf\u67fb\u3092\u9032\u3081\u307e\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u4ed6\u306exHunt\u30a4\u30f3\u30d5\u30e9\u6d3b\u52d5\u3068\u306e\u76f4\u63a5\u7684\u91cd\u8907\u3053\u305d\u306a\u3044\u3082\u306e\u306e\u3001\u540c\u3058IP\u7bc4\u56f2\u5185\u3067\u306e\u8208\u5473\u6df1\u3044\u540d\u524d\u89e3\u6c7a\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u3068\u308a\u308f\u3051\u8208\u5473\u6df1\u3044\u540d\u524d\u89e3\u6c7a\u306f\u3001Sakabota\u95a2\u9023\u30c9\u30e1\u30a4\u30f3\u306esakabota[.]com\u3067\u3059\u3002\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u306f2018\u5e749\u6708\u6642\u70b9\u3067\u306fIP\u30a2\u30c9\u30ec\u30b9185.15.247[.]140\u306b\u89e3\u6c7a\u3055\u308c\u3066\u304a\u308a\u30012017\u5e7412\u6708\u304b\u30892018\u5e741\u6708\u306b\u304b\u3051\u3066\u306f\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c<a href=\"https:\/\/www.crowdstrike.com\/blog\/widespread-dns-hijacking-activity-targets-multiple-sectors\/\">DNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30af<\/a>\u6d3b\u52d5\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3055\u307e\u3056\u307e\u306a\u671f\u9593\u306b\u307e\u305f\u304c\u308a\u3001OilRig\u3001Chafer\u306e\u4e21\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u306e\u95a2\u9023\u30a4\u30f3\u30d5\u30e9\u304c\u3053\u308c\u3089\u540c\u3058IP\u7bc4\u56f2\u5185\u306b\u540d\u524d\u89e3\u6c7a\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u3082\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306e\u591a\u304f\u306f\u3001\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3068\u3057\u3066mx\u3001mail\u3001owa\u306a\u3069\u3092\u542b\u3093\u3067\u3044\u305f\u3053\u3068\u304b\u3089\u3001\u653b\u6483\u30aa\u30da\u30ec\u30fc\u30bf\u304c\u30e1\u30fc\u30eb\u306e\u8cc7\u683c\u60c5\u5831\u3092\u6a19\u7684\u3068\u3057\u3066\u3044\u305f\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3053\u3068\u304c\u3046\u304b\u304c\u3048\u307e\u3059\u3002\u3053\u308c\u3089\u30a4\u30f3\u30d5\u30e9\u306e\u985e\u4f3c\u70b9\u3092\u3001\u5dfb\u672b\u306e\u4ed8\u9332\u306b\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-103518-conclusion\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u30af\u30a6\u30a7\u30fc\u30c8\u7d44\u7e54\u306eweb\u30b5\u30a4\u30c8\u3078\u306e\u633f\u5165\u304c\u78ba\u8a8d\u3055\u308c\u305fHTML\u30b3\u30fc\u30c9\u306f\u3001web\u30b5\u30a4\u30c8\u306e\u8a2a\u554f\u8005\u304b\u3089\u306e\u8cc7\u683c\u60c5\u5831\u53ce\u96c6\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u305f\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3082\u306e\u3067\u3057\u305f\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092\u53ce\u96c6\u3059\u308b\u3053\u3068\u304c\u76ee\u7684\u3068\u63a8\u6e2c\u3055\u308c\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u3001Hiosoka\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3092\u5b9f\u884c\u3057\u305f\u8105\u5a01\u653b\u6483\u30a2\u30af\u30bf\u30fc\u304c\u3001\u3053\u308c\u3089\u306e\u6d3b\u52d5\u3092\u5b9f\u65bd\u3057\u305f\u3082\u306e\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e2d\u6771\u3092\u6a19\u7684\u3068\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u30aa\u30da\u30ec\u30fc\u30bf\u305f\u3061\u304c\u5229\u7528\u3059\u308b\u30a4\u30f3\u30d5\u30e9\u306b\u985e\u4f3c\u70b9\u304c\u898b\u3089\u308c\u308b\u3053\u3068\u306f\u3001\u3068\u304f\u3060\u3093\u65b0\u3057\u3044\u767a\u898b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u307e\u3067\u306b\u3082\u3053\u3046\u3057\u305f\u30a4\u30f3\u30d5\u30e9\u306f\u518d\u5229\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3057\u3001\u5171\u6709\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002xHunt\u306e\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3068\u307b\u304b\u306e\u65e2\u77e5\u306e\u8105\u5a01\u30aa\u30da\u30ec\u30fc\u30bf\u3068\u306e\u9593\u3067DNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5\u3068\u3044\u3046\u653b\u6483\u65b9\u6cd5\u306e\u91cd\u8907\u304c\u898b\u3089\u308c\u308b\u3053\u3068\u306f\u3001\u540c\u5730\u57df\u306b\u304a\u3051\u308b\u672c\u653b\u6483\u65b9\u6cd5\u3078\u306e\u5909\u308f\u3089\u306c\u95a2\u5fc3\u306e\u9ad8\u3055\u3092\u793a\u3057\u3066\u3044\u308b\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u5f0a\u793e\u306e <a href=\"https:\/\/www.paloaltonetworks.com\/products\/secure-the-network\/subscriptions\/threat-prevention\">Threat Prevention<\/a> \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068<a href=\"https:\/\/www.paloaltonetworks.com\/products\/secure-the-network\/wildfire\">Wildfire<\/a>\u306f\u3001\u3053\u308c\u3089\u8105\u5a01\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u306b\u95a2\u9023\u3059\u308b\u6d3b\u52d5\u3092\u691c\u51fa\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u691c\u51fa\u3068\u4e26\u884c\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u3067\u3042\u308b\u3053\u3068\u3084\u4fb5\u5bb3\u304c\u78ba\u8a8d\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306f\u3001PAN-DB\u306e <a href=\"https:\/\/www.paloaltonetworks.com\/products\/threat-detection-and-prevention\/web-security\">URL\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/a> \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u5185\u3067\u300cmalware\u300d\u306b\u5206\u985e\u304c\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002AutoFocus\u3092\u304a\u4f7f\u3044\u306e\u304a\u5ba2\u69d8\u306f\u3001\u6b21\u306e\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066\u3053\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3092\u8ffd\u8de1\u3067\u304d\u307e\u3059: <a href=\"https:\/\/autofocus.paloaltonetworks.com\/#\/tag\/Unit42.xHunt\">xHunt<\/a><\/p>\n<h2><a id=\"post-103518-appendix\"><\/a>\u4ed8\u9332<\/h2>\n<table>\n<tbody>\n<tr>\n<td><strong>IP\u30a2\u30c9\u30ec\u30b9<\/strong><\/td>\n<td><strong>\u65e5\u4ed8<\/strong><\/td>\n<td><strong>\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\/\u95a2\u9023<\/strong><\/td>\n<\/tr>\n<tr>\n<td>185.15.247[.]140<\/td>\n<td>12\/30\/2017 \u2013 1\/15\/2018<\/td>\n<td>\u5e83\u7bc4\u306aDNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u6d3b\u52d5<\/td>\n<\/tr>\n<tr>\n<td>185.15.247[.]140<\/td>\n<td>1\/14\/2017<\/td>\n<td><a href=\"https:\/\/twitter.com\/clearskysec\/status\/1123276260195602432\">Oilrig<\/a> (cloudipnameserver[.]com)<\/td>\n<\/tr>\n<tr>\n<td>185.15.247[.]140<\/td>\n<td>9\/9\/2018<\/td>\n<td>Sakabota (sakabota[.]com)<\/td>\n<\/tr>\n<tr>\n<td>185.161.211[.]72 \u2013 79<\/td>\n<td>9\/28\/2018 \u2013 10\/26\/2018<\/td>\n<td>DNSpionage\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3<\/td>\n<\/tr>\n<tr>\n<td>185.161.211[.]86<\/td>\n<td>10\/4\/2018<\/td>\n<td>Oilrig (lowconnectivity[.]com)<\/td>\n<\/tr>\n<tr>\n<td>185.161.209[.]147<\/td>\n<td>11\/28\/2018<\/td>\n<td>\u5e83\u7bc4\u306aDNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u6d3b\u52d5<\/td>\n<\/tr>\n<tr>\n<td>185.174.101[.]68<\/td>\n<td>9\/28\/2018 \u2013 10\/11\/2018<\/td>\n<td>DNSpionage\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3<\/td>\n<\/tr>\n<tr>\n<td>185.174.101[.]66<\/td>\n<td>8\/6\/2018<\/td>\n<td>Oilrig (ffconnectivitycheck[.]com)<\/td>\n<\/tr>\n<tr>\n<td>185.174.101[.]68<\/td>\n<td>2\/14\/2019<\/td>\n<td>DNSpionage\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3<\/td>\n<\/tr>\n<tr>\n<td>199.247.3[.]191<\/td>\n<td>11\/5\/2018<\/td>\n<td>\u5e83\u7bc4\u306aDNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u6d3b\u52d5<\/td>\n<\/tr>\n<tr>\n<td>199.247.3.186 \u2013 198<\/td>\n<td>5\/6\/2018 \u2013 8\/30\/2018<\/td>\n<td>Chafer (zombsroyale[.]io)<\/td>\n<\/tr>\n<tr>\n<td>213.202.217[.]31<\/td>\n<td>7\/6\/2018<\/td>\n<td>\u65b0\u305f\u306b\u7279\u5b9a\u3055\u308c\u305fDNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5<\/td>\n<\/tr>\n<tr>\n<td>213.202.217[.]0,22<\/td>\n<td>6\/1\/2018, 12\/24\/2018<\/td>\n<td>Sakabota (alforatsystem[.]com)<\/td>\n<\/tr>\n<tr>\n<td>213.202.217[.]4<\/td>\n<td>9\/8\/2018<\/td>\n<td>Sakabota (firewallsupports[.]com)<\/td>\n<\/tr>\n<tr>\n<td>213.202.217[.]9<\/td>\n<td>11\/18\/2018 \u2013 11\/29\/2018<\/td>\n<td>Oilrig (googie[.]email)<\/td>\n<\/tr>\n<tr>\n<td>91.132.139[.]200<\/td>\n<td>4\/16\/2019, 5\/12\/2019<\/td>\n<td>\u65b0\u305f\u306b\u7279\u5b9a\u3055\u308c\u305fDNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5<\/td>\n<\/tr>\n<tr>\n<td>91.132.139[.]183<\/td>\n<td>4\/7\/2019<\/td>\n<td>Hisoka (microsofte-update[.]com)<\/td>\n<\/tr>\n<tr>\n<td>192.99.138[.]4<\/td>\n<td>4\/17\/2019 \u2013 6\/17\/2019<\/td>\n<td>\u65b0\u305f\u306b\u7279\u5b9a\u3055\u308c\u305fDNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5<\/td>\n<\/tr>\n<tr>\n<td>192.99.138[.]4<\/td>\n<td>4\/24\/2019<\/td>\n<td>Sakabota (antivirus-update[.]top)<\/td>\n<\/tr>\n<tr>\n<td>192.99.138[.]6<\/td>\n<td>4\/14\/2019 \u2013 5\/4\/2019<\/td>\n<td>Sakabota (6google[.]com)<\/td>\n<\/tr>\n<tr>\n<td>104.168.136[.]161<\/td>\n<td>6\/24\/2019<\/td>\n<td>\u65b0\u305f\u306b\u7279\u5b9a\u3055\u308c\u305fDNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6d3b\u52d5<\/td>\n<\/tr>\n<tr>\n<td>104.168.244[.]213<\/td>\n<td>7\/14\/2019<\/td>\n<td>Hisoka (microsofte-update[.]com)<\/td>\n<\/tr>\n<tr>\n<td>104.168.244[.]213<\/td>\n<td>7\/15\/2019 \u2013 7\/18\/2019<\/td>\n<td>Hisoka (google-update[.]com)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><a id=\"post-103518-additional-resources\"><\/a>\u8ffd\u52a0\u8cc7\u6599<\/h2>\n<ul>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/xhunt-actors-cheat-sheet\/\">xHunt\u653b\u6483\u8005\u306e\u30c1\u30fc\u30c8 \u30b7\u30fc\u30c8: \u4eba\u6c17\u30a2\u30cb\u30e1\u306e\u5263\u540d\u306b\u306a\u305e\u3089\u3048\u305f\u30c4\u30fc\u30ebSakabota\u306e\u691c\u51fa\u56de\u907f\u30c6\u30b9\u30c8\u3092\u884c\u3046<\/a><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/more-xhunt-new-powershell-backdoor-blocked-through-dns-tunnel-detection\/\">\u8a73\u8aacxHunt: DNS Security\u304cDNS\u30c8\u30f3\u30cd\u30eb\u691c\u51fa\u3057\u65b0\u305f\u306aPowerShell\u30d0\u30c3\u30af\u30c9\u30a2\u3092\u30d6\u30ed\u30c3\u30af<\/a><\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.com\/xhunt-campaign-attacks-on-kuwait-shipping-and-transportation-organizations\/\">Unit 42\u3001\u30af\u30a6\u30a7\u30fc\u30c8\u306e\u6d77\u904b\u30fb\u904b\u8f38\u95a2\u9023\u7d44\u7e54\u3078\u306e\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u300cxHunt\u300d\u3092\u767a\u898b<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u8abf\u67fb\u30c1\u30fc\u30e0Unit 42\u306f\u3001xHunt\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u6d3b\u52d5\u3092\u5206\u6790\u4e2d\u3001\u3042\u308b\u30af\u30a6\u30a7\u30fc\u30c8\u7d44\u7e54\u306eweb\u30da\u30fc\u30b8\u304c\u3001\u304a\u305d\u3089\u304f\u306f\u6c34\u98f2\u307f\u5834\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u69d8\u5b50\u304c\u3042\u308b\u3053\u3068\u3092\u7a81\u304d\u6b62\u3081\u307e\u3057\u305f\u3002\u5f53\u8a72web\u30da\u30fc\u30b8\u306b<\/p>\n","protected":false},"author":66,"featured_media":103519,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4321,1974,4428],"tags":[5437,5439,6423,6424,6159],"product_categories":[4346,4442,4443,4444],"coauthors":[877,935],"class_list":["post-103518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-threat-research","category-malware-ja","category-threat-research-ja","tag-credential-harvesting-ja","tag-dns-hijacking-ja","tag-dns-redirects-ja","tag-watering-hole","tag-xhunt-ja","product_categories-advanced-threat-prevention","product_categories-advanced-threat-prevention-ja","product_categories-advanced-url-filtering-ja","product_categories-advanced-wildfire-ja"],"yoast_head":"<!-- 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