{"id":105870,"date":"2020-04-05T18:53:16","date_gmt":"2020-04-06T01:53:16","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=105870"},"modified":"2020-04-05T18:53:16","modified_gmt":"2020-04-06T01:53:16","slug":"guloader-installing-netwire-rat","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/guloader-installing-netwire-rat\/","title":{"rendered":"GuLoader\uff1aNetWire RAT\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30de\u30eb\u30b9\u30d1\u30e0\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3"},"content":{"rendered":"<h2><a id=\"post-105870-executive-summary\"><\/a>\u6982\u8981<\/h2>\n<p><a href=\"https:\/\/attack.mitre.org\/software\/S0198\/\">NetWire<\/a>\u306f\u4e00\u822c\u5229\u7528\u304c\u53ef\u80fd\u306aRAT\u3067\u30012012\u5e74\u4ee5\u964d\u3001\u72af\u7f6a\u7d44\u7e54\u3084\u305d\u306e\u4ed6\u306e\u60aa\u610f\u306e\u3042\u308b\u30b0\u30eb\u30fc\u30d7\u306b\u3088\u308a\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306eRAT\u306f\u3055\u307e\u3056\u307e\u306a\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u914d\u4fe1\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u306a\u304b\u3067\u3082\u60aa\u610f\u306e\u3042\u308b\u30b9\u30d1\u30e0\uff08\u30de\u30eb\u30b9\u30d1\u30e0\uff09\u7d4c\u7531\u3067\u306e\u9001\u4fe1\u304c\u591a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9<a href=\"https:\/\/www.proofpoint.com\/us\/threat-insight\/post\/guloader-popular-new-vb6-downloader-abuses-cloud-services\">GuLoader<\/a>\u306f2019\u5e7412\u6708\u306b\u6700\u521d\u306b\u767a\u898b\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c0\u3067\u3001\u3053\u3061\u3089\u306f\u3055\u307e\u3056\u307e\u306a\u30ea\u30e2\u30fc\u30c8\u7ba1\u7406\u30c4\u30fc\u30eb\uff08RAT\uff09\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u914d\u4fe1\u3059\u308b\u7528\u9014\u3067\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u306f\u3001Microsoft Word\u6587\u66f8\u3092\u4f7f\u3044\u3001GuLoader\u7d4c\u7531\u3067NetWire\u3092\u914d\u4fe1\u3059\u308b\u6700\u8fd12020\u5e743\u6708\u306e\u4e00\u9023\u306e\u30de\u30eb\u30b9\u30d1\u30e0\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u611f\u67d3\u30a4\u30d9\u30f3\u30c8 \u30c1\u30a7\u30fc\u30f3\u3092\u78ba\u8a8d\u3057\u3001<a href=\"https:\/\/www.malware-traffic-analysis.net\/2020\/03\/25\/index.html\">\u95a2\u9023\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/a>\u3092\u8abf\u67fb\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u611f\u67d3\u5f8c\u306eWindows\u30db\u30b9\u30c8\u306b\u898b\u3089\u308c\u308b\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u306b\u3064\u3044\u3066\u3082\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u672c\u8cc7\u6599\u306f\u4e3b\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3 \u30bb\u30f3\u30bf\u30fc\uff08SOC\uff09\u306e\u6700\u524d\u7dda\u306b\u3044\u308b\u30a2\u30ca\u30ea\u30b9\u30c8\u306e\u7686\u3055\u3093\u3084\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u306b\u3088\u308b\u635c\u67fb\u3092\u884c\u3046\u7686\u3055\u3093\u306b\u3054\u6d3b\u7528\u3044\u305f\u3060\u304f\u3053\u3068\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u306f\u6b21\u306e\u5185\u5bb9\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30a4\u30d9\u30f3\u30c8 \u30c1\u30a7\u30fc\u30f3<\/li>\n<li>\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u30eb\u30a2\u30fc\uff08\u308f\u306a\uff09<\/li>\n<li>\u60aa\u610f\u306e\u3042\u308bWord\u6587\u66f8<\/li>\n<li>\u7b2c\u4e00\u6bb5\u968e\u306e\u30d0\u30a4\u30ca\u30ea<\/li>\n<li>\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<li>\u611f\u67d3Windows\u30db\u30b9\u30c8\u4e0a\u3067\u306e\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u8abf\u67fb<\/li>\n<\/ul>\n<h2><a id=\"post-105870-chain-of-events\"><\/a>\u30a4\u30d9\u30f3\u30c8 \u30c1\u30a7\u30fc\u30f3<\/h2>\n<p>\u3053\u306e\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u30a4\u30d9\u30f3\u30c8 \u30c1\u30a7\u30fc\u30f3\u306f\u30e1\u30fc\u30eb\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u306f\u3001Microsoft Word\u6587\u66f8\u3078\u306eweb\u30ea\u30f3\u30af\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002Word\u6587\u66f8\u306b\u306fGuLoader\u306eWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3059\u308b\u30de\u30af\u30ed \u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u3053\u306eWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u304c\u3001NetWire\u7528\u306e\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf \u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u3053\u306e\u5f8cNetWire\u306b\u3088\u308bRAT\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u30b3\u30de\u30f3\u30c9&amp;\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08C2\uff09\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u78ba\u8a8d\u3055\u308c\u306f\u3058\u3081\u307e\u3059\u3002\u611f\u67d3\u30c1\u30a7\u30fc\u30f3\u306e\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3092\u56f31\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><img width=\"1774\" height=\"1070\"  class=\"wp-image-105873 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-1-chain-of-events-for-this-netwire-rat-inf.png\" alt=\"Figure 1. Chain of events for this NetWire RAT infection.\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f31 NetWire RAT\u306b\u3088\u308b\u611f\u67d3\u30a4\u30d9\u30f3\u30c8 \u30c1\u30a7\u30fc\u30f3<\/span><\/em><\/p>\n<h3><a id=\"post-105870-email-lures\"><\/a>\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u30eb\u30a2\u30fc\uff08\u308f\u306a\uff09<\/h3>\n<p>NetWire\u3092\u914d\u4fe1\u3059\u308b\u30de\u30eb\u30b9\u30d1\u30e0\u306f\u3001\u4e00\u822c\u306b\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u542b\u3080\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u304b\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u53d6\u5f97\u3059\u308bURL\u30ea\u30f3\u30af\u3092\u4f7f\u3044\u307e\u3059\u3002\u56f32\u306b\u305d\u3046\u3057\u305f\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u4e00\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u306f<a href=\"https:\/\/www.malware-traffic-analysis.net\/2019\/08\/23\/index.html\">2019\u5e748\u6708\u306b\u884c\u308f\u308c\u305f\u653b\u6483\u304b\u3089\u306e\u3082\u306e\u3067\u3001<\/a>\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3068<a href=\"https:\/\/urlhaus.abuse.ch\/url\/229167\/\">URL\u30ea\u30f3\u30af\u306e\u4e21\u65b9\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001<\/a>\u540c\u4e00\u306e<a href=\"https:\/\/www.virustotal.com\/gui\/file\/dfad11b652c183e0a911913bb05e2c72e27a302a18f0c93c3f1dd2d443fbce4f\/community\">Word\u6587\u66f8<\/a>\u3092\u53d6\u5f97\u3057\u3066NetWire\u306b\u3088\u308bRAT\u611f\u67d3\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/p>\n<p><img width=\"1048\" height=\"974\"  class=\"wp-image-105875 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-2-malspam-from-august-2019-with-both-a-lin.png\" alt=\"Figure 2. Malspam from August 2019 with both a link and an attachment for a Word document to kick off a NetWire RAT infection.\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f32 2019\u5e748\u6708\u306b\u89b3\u6e2c\u3055\u308c\u305f\u3001NetWire RAT\u306b\u611f\u67d3\u3055\u305b\u308b\u305f\u3081\u306eWord\u6587\u66f8\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3068URL\u30ea\u30f3\u30af\u306e\u4e21\u65b9\u3092\u542b\u3080\u30de\u30eb\u30b9\u30d1\u30e0<\/span><\/em><\/p>\n<p><a href=\"https:\/\/www.proofpoint.com\/us\/threat-insight\/post\/guloader-popular-new-vb6-downloader-abuses-cloud-services\">GuLoader\u306f2020\u5e74\u73fe\u5728RAT\u914d\u4fe1\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001<\/a>NetWIre RAT\u3092\u30d7\u30c3\u30b7\u30e5\u3059\u308b\u30de\u30eb\u30b9\u30d1\u30e0\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u306f\u540c\u69d8\u306e\u96fb\u5b50\u30e1\u30fc\u30eb \u30eb\u30a2\u30fc\u304c\u7d99\u7d9a\u7684\u306b\u89b3\u6e2c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4><a id=\"post-105870-malicious-word-documents\"><\/a>\u60aa\u610f\u306e\u3042\u308bWord\u6587\u66f8<\/h4>\n<p>2020\u5e743\u6708\u4ee5\u964d\u306e\u611f\u67d3\u30c1\u30a7\u30fc\u30f3\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u78ba\u8a8d\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.com\/cortex\/autofocus\">AutoFocus&#x2122;<\/a>\u4e0a\u3067\u898b\u3064\u304b\u3063\u305f\u96fb\u5b50\u5185\u306eURL\u30e1\u30fc\u30eb\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u60aa\u610f\u306e\u3042\u308bWord\u6587\u66f8\u3092\u53d6\u5f97\u3057\u307e\u3057\u305f\uff08\u56f33\u53c2\u7167\uff09\u3002<\/p>\n<p><img width=\"1247\" height=\"551\"  class=\"wp-image-105877 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-3-downloading-a-malicious-word-document-fr.png\" alt=\"Figure 3. Downloading a malicious Word document from the link in the malspam\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f33 \u30de\u30eb\u30b9\u30d1\u30e0\u5185\u306eURL\u30ea\u30f3\u30af\u304b\u3089\u60aa\u610f\u306e\u3042\u308bWord\u6587\u66f8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/span><\/em><\/p>\n<p>\u3053\u306e\u8abf\u67fb\u3067\u306f\u4f3c\u305f\u3088\u3046\u306a\u611f\u67d3\u30c1\u30a7\u30fc\u30f3\u3092\u3082\u3064URL\u30ea\u30f3\u30af\u304c2\u3064\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>hxxp:\/\/www.artizaa[.]com\/Andys_18US_Tax.doc<\/li>\n<li>hxxp:\/\/murthydigitals[.]com\/PM_2019_Screen_18_Tax_File.doc<\/li>\n<\/ul>\n<p>\u3069\u3061\u3089\u306eURL\u30ea\u30f3\u30af\u3082Word\u6587\u66f8\u3092\u8fd4\u3057\u3001\u540c\u3058\u7a2e\u985e\u306eNetWire RAT\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u3064\u306a\u304c\u308a\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3053\u308c\u3089\u5404\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u4f7f\u3046\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306f\u7570\u306a\u308b\u3082\u306e\u3067\u3057\u305f\u3002\u305d\u306e\u6bd4\u8f03\u304c\u56f34\u3068\u56f35\u3067\u3059\u3002\u5404\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u9055\u3044\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><img width=\"1401\" height=\"962\"  class=\"wp-image-105879 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-4-document-from-one-of-the-links-to-start.png\" alt=\"Figure 4. Document from one of the links to start NetWire RAT infection\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f34 \u4e00\u65b9\u306eURL\u30ea\u30f3\u30af\u304b\u3089\u53d6\u5f97\u3057\u305f\u3001NetWire RAT\u306b\u3088\u308b\u611f\u67d3\u3092\u958b\u59cb\u3059\u308b\u6587\u66f8<\/span><\/em><\/p>\n<p><img width=\"1401\" height=\"962\"  class=\"wp-image-105881 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-5-document-from-another-one-of-the-links-t.png\" alt=\"Figure 5. Document from another one of the links to start a NetWire RAT infection\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f35 \u3082\u3046\u4e00\u65b9\u306eURL\u30ea\u30f3\u30af\u304b\u3089\u53d6\u5f97\u3057\u305f\u3001NetWire RAT\u306b\u3088\u308b\u611f\u67d3\u3092\u958b\u59cb\u3059\u308b\u6587\u66f8<\/span><\/em><\/p>\n<h4><a id=\"post-105870-the-initial-binary\"><\/a>\u7b2c\u4e00\u6bb5\u968e\u306e\u30d0\u30a4\u30ca\u30ea<\/h4>\n<p>\u305d\u308c\u305e\u308c\u306eWord\u6587\u66f8\u3067\u30de\u30af\u30ed\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u3001\u8106\u5f31\u306aWindows\u30db\u30b9\u30c8\u4e0a\u3067\u611f\u67d3\u304c\u767a\u751f\u3057\u3001GuLoader\u306e\u7b2c\u4e00\u6bb5\u968e\u30d0\u30a4\u30ca\u30ea\u304c\u53d6\u5f97\u3055\u308c\u3001\u611f\u67d3\u30e6\u30fc\u30b6\u30fc\u306eAppData\\Local\\Temp\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089\u5b9f\u884c\u3055\u308c\u307e\u3057\u305f\u3002\u56f37\u3068\u56f38\u306f\u3001\u5404Word\u6587\u66f8\u3067\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img width=\"1069\" height=\"842\"  class=\"wp-image-105883 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-7-binary-for-guloader-after-enabling-macro.png\" alt=\"Figure 7. Binary for GuLoader after enabling macros on Andys_18US_Tax.doc\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f37 Andys_18US_Tax.doc\u3067\u30de\u30af\u30ed\u3092\u6709\u52b9\u5316\u5f8c\u306eGuLoader\u30d0\u30a4\u30ca\u30ea<\/span><\/em><\/p>\n<p>&nbsp;<\/p>\n<p><img width=\"1069\" height=\"855\"  class=\"wp-image-105885 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-8-binary-for-guloader-after-enabling-macro.png\" alt=\"Figure 8. Binary for GuLoader after enabling macros on PM_2019_Screen_18_Tax_File.doc\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f38 PM_2019_Screen_18_Tax_File.doc\u3067\u30de\u30af\u30ed\u3092\u6709\u52b9\u5316\u5f8c\u306eGuLoader\u30d0\u30a4\u30ca\u30ea<\/span><\/em><\/p>\n<h4><a id=\"post-105870-infection-traffic\"><\/a>\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/h4>\n<p><a href=\"https:\/\/www.malware-traffic-analysis.net\/2020\/03\/25\/index.html\">\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u304b\u3089\u306f<\/a>\u4ee5\u4e0b\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>\u60aa\u610f\u306e\u3042\u308bWord\u6587\u66f8\u3092\u8fd4\u3059HTTP\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>\u60aa\u610f\u306e\u3042\u308bWindows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\uff08GuLoader\uff09\u3092\u8fd4\u3059HTTP\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea\u3092\u8fd4\u3059HTTP\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>NetWire RAT\u306eTCP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<\/ul>\n<p>Wireshark\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u56f39\u304a\u3088\u3073\u56f310\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><img width=\"1310\" height=\"718\"  class=\"wp-image-105887 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-9-netwire-rat-infection-traffic-associated.png\" alt=\"Figure 9. NetWire RAT infection traffic associated with PM_2019_Screen_18_Tax_File.doc and GuLoader filtered in Wireshark\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f39 PM_2019_Screen_18_Tax_File.doc\u3068GuLoader\u306b\u7d10\u3065\u304fNetWire RAT\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092Wireshark\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u8868\u793a\u3057\u305f\u3068\u3053\u308d<\/span><\/em><\/p>\n<p><img width=\"1310\" height=\"718\"  class=\"wp-image-105889 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-10-netwire-rat-infection-traffic-associate.png\" alt=\"Figure 10. NetWire RAT infection traffic associated with Andys_18US_Tax.doc and GuLoader filtered in Wireshark\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f310 Andys_18US_Tax.doc\u3068GuLoader\u306b\u7d10\u3065\u304fNetWire RAT\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092Wireshark\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u8868\u793a\u3057\u305f\u3068\u3053\u308d<\/span><\/em><\/p>\n<p>2020\u5e743\u6708\u306b\u89b3\u6e2c\u3055\u308c\u305f\u3053\u306e\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f<a href=\"https:\/\/www.proofpoint.com\/us\/threat-insight\/post\/guloader-popular-new-vb6-downloader-abuses-cloud-services\">\u4ee5\u524d\u306eGuLoader\u5206\u6790<\/a>\u3067\u78ba\u8a8d\u3057\u305fGuLoader\u304b\u3089RAT\u306b\u3044\u305f\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3068\u540c\u3058\u3084\u308a\u304b\u305f\u3067\u884c\u308f\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h4><a id=\"post-105870-forensics-on-an-infected-windows-host\"><\/a>\u611f\u67d3Windows\u30db\u30b9\u30c8\u4e0a\u3067\u306e\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u8abf\u67fb<\/h4>\n<p>\u7b2c\u4e00\u6bb5\u968e\u306eGuLoader Windows\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30d4\u30fc\u3067\u6c38\u7d9a\u5316\u3057\u305f\u5f8c\u306f\u3001\u6700\u521d\u306e\u30d0\u30a4\u30ca\u30ea\u4fdd\u5b58\u5148\u3067\u3042\u308b\u611f\u67d3\u30e6\u30fc\u30b6\u30fc\u306eAppData\\Local\\Temp\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306f\u524a\u9664\u3055\u308c\u307e\u3059\u3002GuLoader\u306e\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306f\u6b21\u306eWindows\u30ec\u30b8\u30b9\u30c8\u30ea \u30ad\u30fc\u4ee5\u4e0b\u3067\u6c38\u7d9a\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\RunOnce<\/li>\n<\/ul>\n<p>\u56f311\u3068\u56f312\u306b\u540c\u30ec\u30b8\u30b9\u30c8\u30ea \u30ad\u30fc\u66f4\u65b0\u306e\u69d8\u5b50\u30922\u3064\u4f8b\u3068\u3057\u3066\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><img width=\"832\" height=\"252\"  class=\"wp-image-105891 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-11-first-example-of-guloader-persistent-th.png\" alt=\"Figure 11. First example of GuLoader persistent through the Windows Registry.\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f311 1\u3064\u76ee\u306e\u30b5\u30f3\u30d7\u30eb\u3067Windows\u30ec\u30b8\u30b9\u30c8\u30ea\u3092\u5229\u7528\u3057\u3066\u6c38\u7d9a\u5316\u3055\u308c\u305fGuLoader<\/span><\/em><\/p>\n<p><img width=\"798\" height=\"234\"  class=\"wp-image-105893 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-12-second-example-of-guloader-persistent-t.png\" alt=\"Figure 12. Second example of GuLoader persistent through the Windows Registry\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f312 2\u3064\u76ee\u306e\u30b5\u30f3\u30d7\u30eb\u3067Windows\u30ec\u30b8\u30b9\u30c8\u30ea\u3092\u5229\u7528\u3057\u3066\u6c38\u7d9a\u5316\u3055\u308c\u305fGuLoader<\/span><\/em><\/p>\n<p>\u7d50\u5c40\u3053\u306e\u30a4\u30d9\u30f3\u30c8 \u30c1\u30a7\u30fc\u30f3\u306f NetWire RAT\u611f\u67d3\u306b\u81f3\u308b\u306e\u3067\u3001\u56f313\u306e\u4f8b\u304c\u793a\u3059\u3088\u3046\u306bHKCU\\Software\\NetWire Windows\u30ec\u30b8\u30b9\u30c8\u30ea\u306e\u66f4\u65b0\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img width=\"684\" height=\"252\"  class=\"wp-image-105895 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-13-windows-registry-update-for-netwire.png\" alt=\"Figure 13. Windows Registry update for NetWire\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f313 NetWire\u7528Windows\u30ec\u30b8\u30b9\u30c8\u30ea\u306e\u66f4\u65b0<\/span><\/em><\/p>\n<p>\u307e\u305f\u56f314\u304a\u3088\u3073\u56f315\u306b\u793a\u3059\u3088\u3046\u306bNetWire\u611f\u67d3\u306b\u95a2\u9023\u3057\u305f\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img width=\"917\" height=\"355\"  class=\"wp-image-105897 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-14-first-example-of-file-indicating-data-e.png\" alt=\"Figure 14. First example of file indicating data exfiltrated by NetWire RAT on 2020-03-25\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f314 2020-03-25\u306b1\u3064\u76ee\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u78ba\u8a8d\u3057\u305fNetWire RAT\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u304c\u6f0f\u51fa\u3057\u305f\u69d8\u5b50\u3092\u793a\u3059\u30d5\u30a1\u30a4\u30eb<\/span><\/em><\/p>\n<p><img width=\"982\" height=\"355\"  class=\"wp-image-105899 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/04\/figure-15-second-example-of-file-indicating-data.png\" alt=\"Figure 15. Second example of file indicating data exfiltrated by NetWire RAT on March 25, 2020\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f315 2020-03-25\u306b2\u3064\u76ee\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u78ba\u8a8d\u3057\u305fNetWire RAT\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u304c\u6f0f\u51fa\u3057\u305f\u69d8\u5b50\u3092\u793a\u3059\u30d5\u30a1\u30a4\u30eb<\/span><\/em><\/p>\n<h2><a id=\"post-105870-conclusion\"><\/a>\u7d50\u8ad6<\/h2>\n<p>Windows 10\u30db\u30b9\u30c8\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u3092\u5229\u7528\u3057\u3066\u3044\u308c\u3070\u3053\u306e\u624b\u306e\u611f\u67d3\u306b\u306f\u3042\u307e\u308a\u52b9\u679c\u304c\u3042\u308a\u307e\u305b\u3093\u3002Microsoft Office 2013\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4fdd\u8b77\u30d3\u30e5\u30fc\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305fWord\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30de\u30af\u30ed\u3092\u6709\u52b9\u5316\u3059\u308b\u306e\u3092\u9632\u3044\u3067\u304f\u308c\u307e\u3059\u3002\u3055\u3089\u306bWindows Defender\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u4fdd\u8b77\u3084\u6539\u3056\u3093\u9632\u6b62\u8a2d\u5b9a\u306f\u3001\u691c\u8a3c\u74b0\u5883\u306eWindows 10\u30db\u30b9\u30c8\u3067\u3053\u308c\u3089\u306e\u611f\u67d3\u3092\u9632\u3050\u306e\u306b\u975e\u5e38\u306b\u52b9\u679c\u7684\u3067\u3057\u305f\u3002\u306a\u304a\u3001\u767a\u898b\u304b\u308924\u6642\u9593\u4ee5\u5185\u306b\u3053\u308c\u3089\u306e\u611f\u67d3\u306b\u95a2\u4e0e\u3057\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u306eURL\u306f\u30aa\u30d5\u30e9\u30a4\u30f3\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>RAT\u3092\u542b\u3080\u5546\u7528\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u914d\u4fe1\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30f3\u30c0\u3068\u306e\u9593\u3067\u306f\u3044\u305f\u3061\u3054\u3063\u3053\u304c\u7e70\u308a\u5e83\u3052\u3089\u308c\u3066\u304a\u308a\u3001\u3042\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u5927\u91cf\u306b\u3070\u3089\u307e\u304b\u308c\u305f\u304b\u3068\u601d\u3048\u3070\u3059\u3050\u306b\u305d\u308c\u304c\u66f4\u65b0\u3055\u308c\u3066\u307e\u305f\u5225\u306e\u3070\u3089\u307e\u304d\u653b\u6483\u304c\u751f\u3058\u3066\u3044\u308b\u72b6\u6cc1\u3067\u3059\u3002\u3064\u307e\u308a\u3053\u3046\u3057\u305f\u653b\u6483\u304c\u6210\u529f\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u653b\u6483\u5074\u304c\u5927\u898f\u6a21\u306a\u3070\u3089\u307e\u304d\u653b\u6483\u3092\u5c55\u958b\u3059\u308b\u3053\u3068\u3001\u5bfe\u8c61\u3068\u306a\u308b\u6f5c\u5728\u7684\u306a\u88ab\u5bb3\u8005\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u65bd\u7b56\u306b\u629c\u3051\u6f0f\u308c\u304c\u591a\u3044\u3053\u3068\u306b\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u72af\u7f6a\u8005\u5074\u306b\u3057\u3066\u307f\u308c\u3070\u3001\u3054\u304f\u308f\u305a\u304b\u306a\u611f\u67d3\u306e\u8a66\u884c\u304c\u6210\u529f\u3057\u3055\u3048\u3059\u308c\u3070\u30b3\u30b9\u30c8\u7684\u306b\u5f15\u304d\u5408\u3046\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u88fd\u54c1\u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u306f\u3001\u3053\u308c\u3089\u306e\u8105\u5a01\u3092\u691c\u51fa\u30fb\u30d6\u30ed\u30c3\u30af\u3059\u308b <a href=\"https:\/\/www.paloaltonetworks.com\/network-security\">Threat Prevention<\/a> \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u3088\u308a\u3001\u3055\u3089\u306b\u540c\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f <a href=\"https:\/\/www.paloaltonetworks.com\/cortex\/autofocus\">AutoFocus<\/a> \u306f\u3053\u308c\u3089\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u60aa\u610f\u304c\u3042\u308b\u3082\u306e\u3068\u5224\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u7a2e\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u914d\u4fe1\u306f\u3001\u305d\u308c\u304c\u30b3\u30b9\u30c8\u7684\u306b\u5f15\u304d\u5408\u3046\u304b\u304e\u308a\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306b\u3088\u3063\u3066\u653b\u6483\u65b9\u6cd5\u304c\u8ffd\u6c42\u3055\u308c\u7d9a\u3051\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3><a id=\"post-105870-indicators-of-compromise\"><\/a>IoC<\/h3>\n<p><strong>2020-03-25\u306b\u5b9f\u884c\u3055\u308c\u305f1\u3064\u76ee\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/strong><\/p>\n<ul>\n<li>116.202.210[.]82 port 80 \u2013 murthydigitals[.]com \u2013 GET \/PM_2019_Screen_18_Tax_File.doc<\/li>\n<li>213.219.212[.]206 port 80 \u2013 ptgteft[.]com \u2013 GET \/Exten\/TY1920\/TY30.exe<\/li>\n<li>213.219.212[.]206 port 80 \u2013 matpincscr[.]com \u2013 GET \/tec_encrypted_340BD0.bin<\/li>\n<li>185.163.47[.]213 port 2121 \u2013 www.Novmintservices[.]com \u2013 NetWire RAT post-infection TCP traffic<\/li>\n<\/ul>\n<p><strong>2020-03-25\u306b\u5b9f\u884c\u3055\u308c\u305f2\u3064\u76ee\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u611f\u67d3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/strong><\/p>\n<ul>\n<li>104.27.138[.]31 port 80 \u2013 www.artizaa[.]com \u2013 GET \/Andys_18US_Tax.doc<\/li>\n<li>213.219.212[.]206 port 80 \u2013 saidialxo[.]com \u2013 GET \/lp.exe<\/li>\n<li>185.196.8[.]122 port 80 \u2013 www.rossogato[.]com \u2013 GET \/ROSSO_encrypted_54E9BA0.bin<\/li>\n<li>185.163.47[.]168 port 2020 \u2013 www.myamystills[.]com \u2013 NetWire RAT post-infection TCP traffic<\/li>\n<\/ul>\n<p><strong>1\u3064\u76ee\u306b\u5b9f\u884c\u3055\u308c\u305f\u30de\u30eb\u30a6\u30a7\u30a2<\/strong><\/p>\n<p>cc554633c0b734778211a6289e1d6d383d734a3e1a8edeb13d6d0fafc8a2f162<\/p>\n<ul>\n<li>\u30b5\u30a4\u30ba: 117,204 \u30d0\u30a4\u30c8<\/li>\n<li>URL: hxxp:\/\/murthydigitals[.]com\/PM_2019_Screen_18_Tax_File.doc<\/li>\n<li>\u5185\u5bb9: \u60aa\u610f\u306e\u3042\u308b\u30de\u30af\u30ed\u3092\u542b\u3080Word\u6587\u66f8<\/li>\n<\/ul>\n<p>4d373131b0d3254d72f1a06ea168267376b8cc8f805daa53963db5f051631967<\/p>\n<ul>\n<li>\u30b5\u30a4\u30ba: 65,536 \u30d0\u30a4\u30c8<\/li>\n<li>URL: hxxp:\/\/ptgteft[.]com\/Exten\/TY1920\/TY30.exe<\/li>\n<li>\u5185\u5bb9: \u30de\u30af\u30ed\u6709\u52b9\u5316\u5f8c\u306b\u53d6\u5f97\u3055\u308c\u308bGuLoader<\/li>\n<\/ul>\n<p>aadc6031fed895de570214afb8b6cdc66f17d01f1df0407f4d57f1d04313ae2b<\/p>\n<ul>\n<li>\u30b5\u30a4\u30ba: 130,624\u30d0\u30a4\u30c8<\/li>\n<li>URL: hxxp:\/\/matpincscr[.]com\/tec_encrypted_340BD0.bin<\/li>\n<li>\u5185\u5bb9: NetWire RAT\u7528\u306bGuLoader\u304c\u53d6\u5f97\u3057\u305f\u6697\u53f7\u5316\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea<\/li>\n<\/ul>\n<p><strong>2\u3064\u76ee\u306b\u5b9f\u884c\u3055\u308c\u305f\u30de\u30eb\u30a6\u30a7\u30a2<\/strong><\/p>\n<p>c87e798118a539a136baa0bb9d2539a6e074b0ee640cf0a4ed1ef17936f69ebf<\/p>\n<ul>\n<li>\u30b5\u30a4\u30ba: 150,534 \u30d0\u30a4\u30c8<\/li>\n<li>URL: hxxp:\/\/www.artizaa[.]com\/Andys_18US_Tax.doc<\/li>\n<li>\u5185\u5bb9: \u60aa\u610f\u306e\u3042\u308b\u30de\u30af\u30ed\u3092\u542b\u3080Word\u6587\u66f8<\/li>\n<\/ul>\n<p>e895c525a99922beedf02ca7742c49f320448522185bec8f7d2a49d6cee9f24<\/p>\n<ul>\n<li>\u30b5\u30a4\u30ba: 69,632 \u30d0\u30a4\u30c8<\/li>\n<li>URL: hxxp:\/\/saidialxo[.]com\/lp.exe<\/li>\n<li>\u5185\u5bb9: \u30de\u30af\u30ed\u6709\u52b9\u5316\u5f8c\u306b\u53d6\u5f97\u3055\u308c\u308bGuLoader<\/li>\n<\/ul>\n<p>661d9c0c23e9c17412eee8d72cc1bb66c1b4e5f73908c8cce48f89420f38b205<\/p>\n<ul>\n<li>\u30b5\u30a4\u30ba: 130,624\u30d0\u30a4\u30c8<\/li>\n<li>URL: hxxp:\/\/www.rossogato[.]com\/ROSSO_encrypted_54E9BA0.bin<\/li>\n<li>\u5185\u5bb9: NetWire RAT\u7528\u306bGuLoader\u304c\u53d6\u5f97\u3057\u305f\u6697\u53f7\u5316\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 NetWire\u306f\u4e00\u822c\u5229\u7528\u304c\u53ef\u80fd\u306aRAT\u3067\u30012012\u5e74\u4ee5\u964d\u3001\u72af\u7f6a\u7d44\u7e54\u3084\u305d\u306e\u4ed6\u306e\u60aa\u610f\u306e\u3042\u308b\u30b0\u30eb\u30fc\u30d7\u306b\u3088\u308a\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306eRAT\u306f\u3055\u307e\u3056\u307e\u306a\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u914d\u4fe1\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u306a\u304b\u3067\u3082\u60aa\u610f\u306e\u3042\u308b\u30b9\u30d1\u30e0\uff08\u30de\u30eb\u30b9<\/p>\n","protected":false},"author":35,"featured_media":105871,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4321,1974,4428],"tags":[4577,6349,6350,4621],"product_categories":[4346,4442],"coauthors":[485],"class_list":["post-105870","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-threat-research","category-malware-ja","category-threat-research-ja","tag-malspam-ja","tag-netwire-ja","tag-netwirerat","tag-remote-access-trojan-ja","product_categories-advanced-threat-prevention","product_categories-advanced-threat-prevention-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>GuLoader\uff1aNetWire RAT\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30de\u30eb\u30b9\u30d1\u30e0\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3<\/title>\n<meta name=\"description\" content=\"\u672c\u7a3f\u3067\u306fWord\u6587\u66f8\u3092\u4f7f\u3044GuLoader\u7d4c\u7531\u3067NetWire\u3092\u914d\u4fe1\u3059\u308b2020\u5e743\u6708\u306e\u30de\u30eb\u30b9\u30d1\u30e0\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u611f\u67d3\u30c1\u30a7\u30fc\u30f3\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u5bfe\u8c61\u8aad\u8005\u306b\u306fSOC\u30a2\u30ca\u30ea\u30b9\u30c8\u3001\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u8abf\u67fb\u3092\u884c\u3046\u65b9\u3005\u3092\u60f3\u5b9a\u3057\u3066\u3044\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\/guloader-installing-netwire-rat\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GuLoader\uff1aNetWire RAT\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30de\u30eb\u30b9\u30d1\u30e0\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\" \/>\n<meta property=\"og:description\" content=\"\u672c\u7a3f\u3067\u306fWord\u6587\u66f8\u3092\u4f7f\u3044GuLoader\u7d4c\u7531\u3067NetWire\u3092\u914d\u4fe1\u3059\u308b2020\u5e743\u6708\u306e\u30de\u30eb\u30b9\u30d1\u30e0\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u611f\u67d3\u30c1\u30a7\u30fc\u30f3\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u5bfe\u8c61\u8aad\u8005\u306b\u306fSOC\u30a2\u30ca\u30ea\u30b9\u30c8\u3001\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u8abf\u67fb\u3092\u884c\u3046\u65b9\u3005\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\" 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