{"id":152626,"date":"2022-01-26T00:18:38","date_gmt":"2022-01-26T08:18:38","guid":{"rendered":"https:\/\/www.paloaltonetworks.com\/blog\/?p=152626"},"modified":"2022-08-28T21:34:43","modified_gmt":"2022-08-29T04:34:43","slug":"fileless-malware-ttp-and-3-counter-measures","status":"publish","type":"post","link":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/2022\/01\/fileless-malware-ttp-and-3-counter-measures\/?lang=ja","title":{"rendered":"\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u8003\u3048\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u3042\u308a\u65b9"},"content":{"rendered":"<h1><a id=\"post-152626-_fni7vllc3lis\"><\/a>\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u306f<\/h1>\n<p>\u300c\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u300d\u306f\u300c\u30d5\u30a1\u30a4\u30eb\u304c\u306a\u3044(fileless)\u300d\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u300c\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u300d\u3068\u3044\u3048\u3070\u3001\u4e00\u822c\u306b\u306fEXE\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3067\u306f\u306a\u3044\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u6307\u3059\u3053\u3068\u304c\u591a\u3044\u3067\u3057\u3087\u3046\u3002\u304b\u3064\u3066\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u5229\u7528\u3059\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u591a\u304b\u3063\u305f\u3053\u3068\u304b\u3089\u304d\u305f\u8868\u73fe\u3067\u3059\u304c\u3001\u73fe\u5728\u306f\u3053\u3046\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u305d\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306f\u7279\u5225\u306a\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u3084\u6a19\u7684\u578b\u653b\u6483\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u69d8\u614b\u306f\u5927\u304d\u304f\u5206\u3051\u3066\u4ee5\u4e0b\u306e2\u3064\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"#post-152626-_bd0g327zrho9\">OS\u7d44\u307f\u8fbc\u307f\u30c4\u30fc\u30eb\u306e\u60aa\u7528(PowerShell\u3084WMI\u306a\u3069)<\/a><\/li>\n<li><a href=\"#post-152626-_n0sqs28e44q\">\u30e1\u30e2\u30ea\u5185\u3067\u5b8c\u7d50(\u30c7\u30a3\u30b9\u30af\u306b\u30d5\u30a1\u30a4\u30eb\u3084\u75d5\u8de1\u3092\u6b8b\u3055\u306a\u3044)<\/a><\/li>\n<\/ul>\n<h2><a id=\"post-152626-_bd0g327zrho9\"><\/a>OS\u7d44\u307f\u8fbc\u307f\u30c4\u30fc\u30eb\u306e\u60aa\u7528<\/h2>\n<p>\u793e\u5185\u306e\u7ba1\u7406\u8005\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u7ba1\u7406\u306b\u3001OS\u306b\u5143\u304b\u3089\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308bPowerShell\u3084WMI\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u3082\u6709\u7528\u3067\u3001\u4fb5\u5165\u6642\u306e\u5185\u90e8\u63a2\u7d22\u3084\u611f\u67d3\u62e1\u5927\u306b\u5341\u5206\u306a\u6a5f\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>OS\u7d44\u307f\u8fbc\u307f\u30c4\u30fc\u30eb\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u306e\u4f8b\u3068\u3057\u3066\u3001\u5f0a\u793e\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u8abf\u67fb\u30c1\u30fc\u30e0<a href=\"https:\/\/unit42.paloaltonetworks.jp\/\" rel=\"nofollow,noopener\" >Unit 42<\/a>\u304c\u5831\u544a\u3057\u305f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/more-xhunt-new-powershell-backdoor-blocked-through-dns-tunnel-detection\/\" rel=\"nofollow,noopener\" >\u653f\u5e9c\u6a5f\u95a2\u3092\u6a19\u7684\u3068\u3057\u305f\u653b\u6483<\/a>\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u653b\u6483\u3067\u306f\u3001OS\u7d44\u307f\u8fbc\u307f\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9e\u74b0\u5883\u3067\u3042\u308bPowerShell\u3092\u30d9\u30fc\u30b9\u3068\u3059\u308b\u30d0\u30c3\u30af\u30c9\u30a2\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30d0\u30c3\u30af\u30c9\u30a2\u306f\u3001\u300c<a href=\"https:\/\/unit42.paloaltonetworks.jp\/dns-tunneling-how-dns-can-be-abused-by-malicious-actors\/\" rel=\"nofollow,noopener\" >DNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0<\/a>\u300d\u3068\u3044\u3046\u8907\u96d1\u306a\u901a\u4fe1\u65b9\u5f0f\u3092\u4f7f\u3044\u3001\u9060\u9694\u306b\u3044\u308b\u653b\u6483\u8005\u304b\u3089\u547d\u4ee4\u3092\u53d7\u3051\u53d6\u3063\u3066\u5b9f\u884c\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p><span style=\"font-weight: 400;\">\u3070\u3089\u307e\u304d\u578b\u306e\u8105\u5a01\u3067\u3042\u308b<\/span><a href=\"https:\/\/unit42.paloaltonetworks.jp\/attack-chain-overview-emotet-in-december-2020-and-january-2021\/\" rel=\"nofollow,noopener\" ><span style=\"font-weight: 400;\">Emotet\u306e\u653b\u6483\u30c1\u30a7\u30fc\u30f3<\/span><\/a><span style=\"font-weight: 400;\">\u306f\u3082<\/span><span style=\"font-weight: 400;\">\u3001OS\u7d44\u307f\u8fbc\u307f\u30c4\u30fc\u30eb\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308a\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3084\u8d77\u52d5\u904e\u7a0b\u3092\u8ffd\u8de1\u3057\u306b\u304f\u304f\u3057\u3066\u3044\u307e\u3059\u3002Emotet\u306e\u5834\u5408\u3001\u30e1\u30fc\u30eb\u6dfb\u4ed8\u306eWord\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u30de\u30af\u30ed\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001VBScript\u3068PowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7d4c\u7531\u3057\u3066Emotet\u306e\u672c\u4f53\u3067\u3042\u308bDLL\u30d5\u30a1\u30a4\u30eb\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3066\u52d5\u4f5c\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u8d77\u70b9\u306eWord\u30d5\u30a1\u30a4\u30eb\u3068\u7d42\u70b9\u306eEmotet\u30d5\u30a1\u30a4\u30eb\u306f\u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u6b8b\u308a\u307e\u3059\u304c\u3001\u9014\u4e2d\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3084\u8d77\u52d5\u306e\u904e\u7a0b\u306fOS\u7d44\u307f\u8fbc\u307f\u306e\u30c4\u30fc\u30eb\u306b\u3088\u308a\u7279\u5b9a\u3057\u3065\u3089\u304f\u3001Word\u30d5\u30a1\u30a4\u30eb\u3092\u8abf\u67fb\u3057\u306a\u3044\u304b\u304e\u308a\u3001\u7a81\u7136Emotet\u306b\u611f\u67d3\u3057\u305f\u3088\u3046\u306b\u898b\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/span><\/p>\n<p>\u3053\u306e\u307b\u304b\u3001\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u306e\u81ea\u52d5\u5316\u3084\u7701\u529b\u5316\u3092\u884c\u3046\u7d44\u307f\u8fbc\u307f\u30c4\u30fc\u30eb\u3001Windows Management Instrumentation(WMI)\u3092\u5229\u7528\u3059\u308b\u653b\u6483\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3042\u308b\u56fd\u5185\u4f01\u696d\u306b\u5bfe\u3059\u308b\u6a19\u7684\u578b\u653b\u6483\u306e\u4e8b\u4f8b\u3067\u306f\u300170\u7a2e\u985e\u4ee5\u4e0a\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u88c5\u3057\u305fVBScript\u304c\u3001WMI\u3092\u5229\u7528\u3057\u3066\u4fb5\u5bb3\u5bfe\u8c61\u7d44\u7e54\u5185\u306e\u63a2\u7d22\u3068\u611f\u67d3\u62e1\u5927\u3092\u884c\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u3046\u3057\u305f\u4e8b\u4f8b\u3067\u306f\u3001OS\u6a19\u6e96\u642d\u8f09\u6a5f\u80fd\u4ee5\u5916\u306e\u4e0d\u5be9\u30d7\u30ed\u30bb\u30b9\u304c\u88ab\u5bb3\u7aef\u672b\u4e0a\u3067\u306f\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5229\u7528\u8005\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u304c\u8abf\u67fb\u3092\u884c\u3063\u305f\u3068\u304d\u3001\u6839\u672c\u539f\u56e0\u7279\u5b9a\u304c\u9045\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b1\u30fc\u30b9\u306e\u5834\u5408\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u305f\u3081\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u306f\u547c\u3079\u307e\u305b\u3093\u304c\u3001\u7d44\u307f\u8fbc\u307f\u6a5f\u80fd\u3060\u3051\u3067\u5341\u5206\u8907\u96d1\u306a\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-152626-_n0sqs28e44q\"><\/a>\u30e1\u30e2\u30ea\u5185\u3067\u5b8c\u7d50<\/h2>\n<p>\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u306a\u3069\u306e\u4e0d\u6b63\u30b3\u30fc\u30c9\u3092\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u76f4\u63a5\u5b9f\u884c\u3059\u308b\u5834\u5408\u3082\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u3044\u306e\u3067\u300c\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u300d\u3082\u3057\u304f\u306f\u300c\u30e1\u30e2\u30ea\u30fc\u30aa\u30f3\u30ea\u30fc\u30de\u30eb\u30a6\u30a7\u30a2\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002<a href=\"https:\/\/ja.wikipedia.org\/wiki\/SQL_Slammer\" rel=\"nofollow,noopener\" >SQLSlammer<\/a>\u30ef\u30fc\u30e0\u3084<a href=\"https:\/\/unit42.paloaltonetworks.jp\/afraidgate-major-exploit-kit-campaign-swaps-locky-ransomware-for-cryptxxx\/\" rel=\"nofollow,noopener\" >\u30d6\u30e9\u30a6\u30b6\u306e\u8106\u5f31\u6027\u304b\u3089\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u611f\u67d3<\/a>\u306a\u3069\u304c\u53e4\u304f\u304b\u3089\u898b\u3089\u308c\u308b\u5b9f\u4f8b\u3067\u3059\u3002\u56f31\u304c\u305d\u306e\u6982\u8981\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u6b63\u898f\u30d7\u30ed\u30b0\u30e9\u30e0A\u304c\u8d77\u52d5\u3055\u308c\u3001\u30e1\u30e2\u30ea\u4e0a\u3067\u30d7\u30ed\u30bb\u30b9A\u3068\u3057\u3066\u7a3c\u50cd\u3057\u3066\u3044\u308b<\/li>\n<li>\u30e1\u30e2\u30ea\u5185\u306e\u30d7\u30ed\u30bb\u30b9A\u306b\u5bfe\u3057\u3001\u653b\u6483\u8005\u304c\u8106\u5f31\u6027\u3092\u7a81\u3044\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u653b\u6483\u3059\u308b<\/li>\n<li>\u30de\u30eb\u30a6\u30a7\u30a2\u306a\u3069\u306e\u4e0d\u6b63\u306a\u30b3\u30fc\u30c9\u3092\u30e1\u30e2\u30ea\u4e0a\u306b\u76f4\u63a5\u547c\u3073\u51fa\u3057\u3066\u5b9f\u884c\u3059\u308b<\/li>\n<\/ol>\n<figure id=\"attachment_152627\" aria-describedby=\"caption-attachment-152627\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><div style=\"max-width:100%\" data-width=\"900\"><span class=\"ar-custom\" style=\"padding-bottom:79.67%;\"><img loading=\"lazy\" decoding=\"async\"  class=\"wp-image-152627 lozad\"  data-src=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2022\/01\/word-image-52.png\" alt=\"\u56f31 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u306e\u653b\u6483\u306b\u3088\u308b\u4e0d\u6b63\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u3002\u6b63\u898f\u30d7\u30ed\u30b0\u30e9\u30e0A\u304c\u8d77\u52d5\u3055\u308c\u3001\u30e1\u30e2\u30ea\u4e0a\u3067\u30d7\u30ed\u30bb\u30b9A\u3068\u3057\u3066\u7a3c\u50cd\u3057\u3066\u3044\u308b \u30e1\u30e2\u30ea\u5185\u306e\u30d7\u30ed\u30bb\u30b9A\u306b\u5bfe\u3057\u3001\u653b\u6483\u8005\u304c\u8106\u5f31\u6027\u3092\u7a81\u3044\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u653b\u6483\u3059\u308b \u30de\u30eb\u30a6\u30a7\u30a2\u306a\u3069\u306e\u4e0d\u6b63\u306a\u30b3\u30fc\u30c9\u3092\u30e1\u30e2\u30ea\u4e0a\u306b\u76f4\u63a5\u547c\u3073\u51fa\u3057\u3066\u5b9f\u884c\u3059\u308b\" width=\"900\" height=\"717\" \/><\/span><\/div><figcaption id=\"caption-attachment-152627\" class=\"wp-caption-text\">\u56f31 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u306e\u653b\u6483\u306b\u3088\u308b\u4e0d\u6b63\u30b3\u30fc\u30c9\u306e\u5b9f\u884c<\/figcaption><\/figure>\n<p>\u3053\u306e\u5834\u5408\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u306f\u6b63\u898f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30d7\u30ed\u30b0\u30e9\u30e0A\u306e\u307f\u304c\u5b58\u5728\u3057\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u305d\u306e\u75d5\u8de1\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u305f\u3081\u691c\u67fb\u3057\u3066\u3082\u4f55\u3082\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3002\u30e1\u30e2\u30ea\u4e0a\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u4e0d\u6b63\u30b3\u30fc\u30c9\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u505c\u6b62\u3082\u3057\u304f\u306f\u518d\u8d77\u52d5\u3059\u308b\u307e\u3067\u6d3b\u52d5\u3092\u7d99\u7d9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-152626-_5xukb67av7wh\"><\/a>\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u969b<\/h2>\n<p>\u4f8b\u793a\u3057\u305f2\u3064\u306e\u69d8\u614b\u306e\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u3001\u524d\u8005\u306f\u30aa\u30d5\u30a3\u30b9\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306a\u3069\u3001<span style=\"font-weight: 400;\">PowerShell\u3084WMI\u3092\u547c\u3073\u51fa\u3059<\/span>\u306a\u3093\u3089\u304b\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u5f8c\u8005\u3082\u30d5\u30a1\u30a4\u30eb\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u304c\u3001\u305d\u306e\u307e\u307e\u3067\u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u518d\u8d77\u52d5\u5f8c\u306b\u6d3b\u52d5\u3092\u7d99\u7d9a\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u8fbc\u3093\u3060\u308a\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u306b\u5909\u66f4\u3092\u52a0\u3048\u305f\u308a\u3057\u3066\u3001\u4fb5\u5bb3\u7aef\u672b\u4e0a\u3067\u6c38\u7d9a\u7684\u306b\u6d3b\u52d5\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u4e0a\u3067\u8aac\u660e\u3057\u305fEmotet\u306e\u3088\u3046\u306b\u3001\u73fe\u5728\u306e\u653b\u6483\u8005\u306f\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3084\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u76ee\u7684\u9054\u6210\u306e\u305f\u3081\u306e\u4e00\u9023\u306e\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u3092\u4f5c\u308a\u4e0a\u3052\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u305d\u306e\u30c1\u30a7\u30fc\u30f3\u306e\u4e00\u90e8\u5206\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u305d\u306e\u6280\u8853\u304c\u5229\u7528\u3055\u308c\u308b\u306e\u3067\u3059\u3002\u3067\u3059\u304b\u3089\u4e00\u898b\u300c\u60aa\u610f\u306e\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u5f53\u305f\u3089\u306a\u3044\u300d\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u5b9f\u969b\u306b\u306f\u306a\u3093\u3089\u304b\u306e\u30d5\u30a1\u30a4\u30eb\u3084\u75d5\u8de1\u304c\u6b8b\u308b\u3053\u3068\u304c\u591a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h1><a id=\"post-152626-_p0msdwehw2im\"><\/a>\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u5229\u7528\u3059\u308b\u76ee\u7684<\/h1>\n<p>\u653b\u6483\u8005\u304c\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u5229\u7528\u3059\u308b\u76ee\u7684\u306f\u5927\u304d\u304f\u5206\u3051\u3066\u300c\u691c\u51fa\u56de\u907f\u300d\u3068\u300c\u30b3\u30b9\u30c8\u30c0\u30a6\u30f3\u300d\u306e2\u3064\u3067\u3059\u3002<\/p>\n<h2><a id=\"post-152626-_g57i3kbosakp\"><\/a>\u691c\u51fa\u56de\u907f<\/h2>\n<p>\u3044\u307e\u306e\u4f01\u696d\u5411\u3051\u7aef\u672b\u306f\u305d\u306e\u307b\u307c\u3059\u3079\u3066\u306b\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u88fd\u54c1\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u3089\u5f93\u6765\u578b\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u88fd\u54c1\u306e\u57fa\u672c\u6a5f\u80fd\u306f\u300c\u30c7\u30a3\u30b9\u30af\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u30b9\u30ad\u30e3\u30f3\u306b\u3088\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u305d\u306e\u75d5\u8de1\u306e\u767a\u898b\u300d\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u306e\u6280\u8853\u306f\u3001\u3053\u3046\u3057\u305f\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u88fd\u54c1\u306b\u3088\u308b\u691c\u51fa\u56de\u907f\u3092\u72d9\u3063\u3066\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u6709\u7121\u3092\u8abf\u67fb\u3092\u3059\u308b\u969b\u306f\u3001\u30bf\u30b9\u30af\u30de\u30cd\u30fc\u30b8\u30e3\u306b\u3088\u308b\u4e0d\u5be9\u30d7\u30ed\u30bb\u30b9\u306e\u63a2\u7d22\u304c\u3088\u304f\u884c\u308f\u308c\u307e\u3059\u3002\u305d\u306e\u3055\u3044\u3001\u6b63\u898f\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u7d1b\u308c\u8fbc\u307f\u3001OS\u306b\u6a19\u6e96\u3067\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u3067\u76ee\u7684\u3092\u9054\u6210\u3067\u304d\u308c\u3070\u3001\u30bf\u30b9\u30af\u30de\u30cd\u30fc\u30b8\u30e3\u304b\u3089\u306f\u767a\u898b\u3057\u3065\u3089\u304f\u306a\u308a\u3001\u653b\u6483\u8005\u306b\u6709\u5229\u3067\u3059\u3002<\/p>\n<h2><a id=\"post-152626-_yqjodr3ioxab\"><\/a>\u30b3\u30b9\u30c8\u30c0\u30a6\u30f3<\/h2>\n<p>\u30de\u30af\u30ed\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u3067\u3059\u3002\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u3001\u7c21\u5358\u306b\u5909\u66f4\u3067\u304d\u3001\u672c\u756a\u306b\u3082\u305d\u306e\u307e\u307e\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u4e00\u65b9\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u3067\u30d5\u30a1\u30a4\u30eb\u5b9f\u4f53\u3092\u3082\u3064EXE\u306a\u3069\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306f\u30d0\u30a4\u30ca\u30ea\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u5927\u304d\u304f\u3001\u5909\u66f4\u3084\u30ea\u30ea\u30fc\u30b9\u306b\u306f\u305d\u308c\u306a\u308a\u306e\u624b\u9593\u304c\u304b\u304b\u308a\u307e\u3059(\u305f\u3060\u3057<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/2020\/05\/why-we-need-to-prevent-unknown-malware\/?lang=ja\">\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u65e2\u77e5\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u672a\u77e5\u306e\u3082\u306e\u306b\u898b\u305b\u304b\u3051\u308b\u3053\u3068\u306f\u5bb9\u6613<\/a>\u3067\u3059)\u3002PowerShell\u3084\u30de\u30af\u30ed\u306b\u306f\u3001\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306b\u306f\u306a\u3044\u6280\u8853\u7684\u5236\u7d04\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306e\u9069\u5207\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u3092\u9078\u3079\u3070\u3001\u653b\u6483\u306e\u624b\u9593\u3068\u6642\u9593\u3092\u5927\u304d\u304f\u6e1b\u3089\u305b\u307e\u3059\u3002<\/p>\n<h1><a id=\"post-152626-_xhsvryu7du1i\"><\/a>\u5bfe\u7b56<\/h1>\n<p>\u300c\u691c\u51fa\u56de\u907f\u300d\u3068\u300c\u30b3\u30b9\u30c8\u30c0\u30a6\u30f3\u300d\u306b\u3088\u308a\u3001\u691c\u51fa\u3057\u3065\u3089\u304f\u3001\u5b9f\u884c\u3057\u3084\u3059\u304f\u306a\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3078\u306e\u5bfe\u7b56\u306f\u3069\u3046\u3042\u308b\u3079\u304d\u3067\u3057\u3087\u3046\u304b\u3002\u7d50\u8ad6\u304b\u3089\u3044\u3048\u3070\u3001\u30d5\u30a1\u30a4\u30eb\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306a\u3069\u3001\u30dd\u30a4\u30f3\u30c8\u3054\u3068\u306b\u72ec\u7acb\u3057\u305f\u5bfe\u7b56\u3067\u306f\u4e0d\u5341\u5206\u3067\u3001\u300c\u53ef\u8996\u5316\u300d\u3001\u300c\u632f\u308b\u821e\u3044\u691c\u51fa\u300d\u3001\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u904b\u7528\u300d\u306e3\u3064\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3001\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u5168\u4f53\u3067\u5305\u62ec\u7684\u306b\u5bfe\u7b56\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u8981\u4ef6\u304c\u5fc5\u8981\u3067\u3042\u308b\u7406\u7531\u3068\u6e80\u305f\u3059\u3079\u304d\u8981\u4ef6\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-152626-_jvcivzm3s2di\"><\/a>\u53ef\u8996\u5316<\/h2>\n<p>\u653b\u6483\u8005\u306f\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306e\u3055\u307e\u3056\u307e\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u6280\u8853\u306b\u3088\u308b\u691c\u51fa\u56de\u907f\u3092\u8a66\u307f\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u3064\u306a\u304c\u308a\u304c\u898b\u3048\u3065\u3089\u304f\u306a\u3063\u305f\u653b\u6483\u306e\u75d5\u8de1\u3092\u3064\u306a\u304e\u3042\u308f\u305b\u3001\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306e\u5168\u4f53\u50cf\u3092\u63b4\u3080\u306b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5074\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u5074\u306e\u53cc\u65b9\u304c\u3001\u4ee5\u4e0b\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u5305\u62ec\u7684\u53ef\u8996\u5316\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\n<ul>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5185\u306e\u30e6\u30fc\u30b6\u30fc\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30c7\u30fc\u30bf\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u53ef\u8996\u5316<\/li>\n<li>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5883\u754c\u306b\u3068\u3069\u307e\u3089\u306a\u3044LAN\u30fbWAN\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u53ef\u8996\u5316(\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u4fb5\u5bb3\u5f8c\u306e\u5229\u7528\u304c\u591a\u3044)<\/li>\n<\/ul>\n<\/li>\n<li>\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\n<ul>\n<li>\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u4e0a\u306e\u30e6\u30fc\u30b6\u30fc\u3001\u30d7\u30ed\u30bb\u30b9\u3001\u30d5\u30a1\u30a4\u30eb\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u3001\u30a4\u30d9\u30f3\u30c8\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u53ef\u8996\u5316<\/li>\n<li>\u6b63\u898f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u542b\u3081\u305f\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u53ef\u8996\u5316(OS\u6a19\u6e96\u642d\u8f09\u6a5f\u80fd\u304c\u5229\u7528\u3055\u308c\u308b\u305f\u3081\u65e2\u77e5\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u672a\u77e5\u30d5\u30a1\u30a4\u30eb\u306e\u691c\u51fa\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><a id=\"post-152626-_v8ugatg9o1m2\"><\/a>\u632f\u308b\u821e\u3044\u691c\u51fa<\/h2>\n<p>\u5f93\u6765\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306f\u300c\u30b7\u30b0\u30cd\u30c1\u30e3\u300d\u3084\u3001\u30d5\u30a1\u30a4\u30eb\u30cf\u30c3\u30b7\u30e5\u5024\u3001IP\u30a2\u30c9\u30ec\u30b9\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u306a\u3069\u306e\u300c\u75d5\u8de1\u60c5\u5831(IoC)\u300d\u3092\u5229\u7528\u3057\u3066\u4fb5\u5bb3\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u305f\u3068\u3048\u3070\u300c\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u304c\u691c\u51fa\u3059\u3079\u304d\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u306e\u6709\u7121\u300d\u3084\u300c\u30ed\u30b0\u5185\u306e\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u5165\u308a\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u30a2\u30af\u30bb\u30b9\u5c65\u6b74\u306e\u6709\u7121\u300d\u3092\u8abf\u3079\u308b\u3001\u3068\u3044\u3063\u305f\u904b\u7528\u3067\u3059\u3002\u3068\u3053\u308d\u304c\u6628\u4eca\u306e\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u6280\u8853\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u30b7\u30b0\u30cd\u30c1\u30e3\u3084IoC\u306b\u3088\u308b\u691c\u51fa\u3092\u610f\u56f3\u7684\u306b\u56de\u907f\u53ef\u80fd\u306a\u306e\u3067\u3001\u4fb5\u5bb3\u306e\u767a\u898b\u304c\u96e3\u3057\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u3084\u30c9\u30e1\u30a4\u30f3\u306e\u3088\u3046\u306a\u653b\u6483\u8005\u304c\u7c21\u5358\u306b\u5909\u3048\u305f\u308a\u6368\u3066\u305f\u308a\u3067\u304d\u308b\u75d5\u8de1\u3092\u4f7f\u3046\u691c\u51fa\u3067\u306f\u306a\u304f\u3001\u653b\u6483\u8005\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u5168\u4f53\u3067\u3069\u306e\u3088\u3046\u306b\u632f\u308b\u821e\u3046\u306e\u304b\u3068\u3044\u3046\u3001\u3088\u308a\u666e\u904d\u7684\u306a\u7279\u5fb4\u3067\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u591a\u304f\u306e\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u3067\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u518d\u8d77\u52d5\u5f8c\u3082\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u3001Windows\u306e<a href=\"https:\/\/attack.mitre.org\/techniques\/T1543\/003\/\" rel=\"nofollow,noopener\" >\u30b5\u30fc\u30d3\u30b9<\/a>\u3084<a href=\"https:\/\/attack.mitre.org\/techniques\/T1112\/\" rel=\"nofollow,noopener\" >\u30ec\u30b8\u30b9\u30c8\u30ea<\/a>\u306e\u5909\u66f4\u304c\u89b3\u6e2c\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u969b\u3001\u5909\u66f4\u3055\u308c\u305f\u5024\u3092\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u7167\u3089\u3057\u3066\u691c\u51fa\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u300c\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u5b9a\u6539\u3056\u3093\u3092\u8a66\u307f\u305f\u300d\u3068\u3044\u3046\u300c\u7591\u308f\u3057\u3044\u632f\u308b\u821e\u3044\u300d\u81ea\u4f53\u3092\u691c\u51fa\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u5b9f\u969b\u306e\u653b\u6483\u304b\u3089\u89b3\u5bdf\u3055\u308c\u305f\u653b\u6483\u8005\u306e\u884c\u52d5\u3084\u624b\u53e3\u3084\u5229\u7528\u3055\u308c\u308b\u6280\u8853\u3001\u305d\u306e\u5bfe\u7b56\u3092\u307e\u3068\u3081\u305f\u8457\u540d\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b MITRE <a href=\"https:\/\/attack.mitre.org\/\" rel=\"nofollow,noopener\" >ATT&amp;CK\u00ae <\/a>\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u56de\u907f\u578b\u653b\u6483\u3092\u632f\u308b\u821e\u3044\u304b\u3089\u691c\u51fa\u3059\u308b\u306b\u306f\u3001\u5f93\u6765\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u3084IoC\u3092\u4f7f\u3046\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306b\u52a0\u3048\u3066\u3001\u3053\u3046\u3057\u305f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b<a href=\"https:\/\/www.paloaltonetworks.com\/resources\/infographics\/journey-to-xdr.html?utm_source=KaseyBlog-GTM-global-cortex&amp;utm_medium=social\">EDR\uff08Endpoint Detection and Response\uff09\u3084NDR\uff08Network Detection and Response\uff09\u306e\u6a5f\u80fd<\/a>\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h2><a id=\"post-152626-_z72helqq9ca2\"><\/a>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u904b\u7528<\/h2>\n<p>\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306f\u3055\u307e\u3056\u307e\u306a\u30dd\u30a4\u30f3\u30c8\u306b\u5c11\u3057\u305a\u3064\u305d\u306e\u75d5\u8de1\u3092\u6b8b\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u30dd\u30a4\u30f3\u30c8\u3054\u3068\u306b\u72ec\u7acb\u3057\u3066\u60c5\u5831\u3092\u53ce\u96c6\u3059\u308b\u7ba1\u7406\u30c4\u30fc\u30eb\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u306f\u3001\u305d\u306e\u30dd\u30a4\u30f3\u30c8\u304c\u691c\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u306e\u307f\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7d50\u679c\u3001\u4e00\u9023\u306e\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306e\u75d5\u8de1\u60c5\u5831\u306f\u3001\u5404\u30dd\u30a4\u30f3\u30c8\u306b\u5206\u6563\u3057\u3066\u5b58\u5728\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u6709\u52b9\u306a\u5bfe\u7b56\u3092\u6253\u3064\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u5206\u6563\u3057\u305f\u60c5\u5831\u3092\u3064\u306a\u304e\u5408\u308f\u305b\u3001\u300c\u53ef\u8996\u5316\u300d\u3092\u5b9f\u73fe\u3057\u3001\u53ef\u8996\u5316\u3057\u305f\u60c5\u5831\u3092\u3082\u3068\u306b\u300c\u632f\u308b\u821e\u3044\u300d\u3092\u691c\u51fa\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4f8b\u3068\u3057\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u8106\u5f31\u6027\u3092\u60aa\u7528\u3055\u308c\u3001\u3042\u308b\u7aef\u672b\u4e0a\u3067\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u52d5\u4f5c\u3057\u305f\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u6240\u306b\u75d5\u8de1\u304c\u5206\u6563\u3057\u3066\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3<\/strong>: \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001IPS\u3001NDR<\/li>\n<li><strong>\u7aef\u672b\u4e0a\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3<\/strong>: OS\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u3001EDR<\/li>\n<li><strong>\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u60c5\u5831<\/strong>: \u8a8d\u8a3c\u30b5\u30fc\u30d0\u30fc(Active Directory \u3084RADIUS\u306a\u3069) 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href=\"https:\/\/www.paloaltonetworks.com\/resources\/infographics\/journey-to-xdr.html?utm_source=KaseyBlog-GTM-global-cortex&amp;utm_medium=social\">XDR\uff08Extended Detection and Response\uff09\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/a>\u3092\u5229\u7528\u3059\u308b\u65b9\u6cd5\u3092\u53d6\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h1><a id=\"post-152626-_boxl86tp4gk6\"><\/a>\u307e\u3068\u3081<\/h1>\n<p>\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u3067\u3042\u308b\u3053\u3068\u305d\u306e\u3082\u306e\u306f\u65b0\u3057\u3044\u8003\u3048\u65b9\u3084\u6280\u8853\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002PowerShell\u3084WMI\u3060\u3051\u3067\u306a\u304f\u3001\u30de\u30af\u30ed\u3084\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u30d0\u30c3\u30c1\u30d5\u30a1\u30a4\u30eb\u3092\u7d4c\u7531\u3057\u305fOS\u7d44\u307f\u8fbc\u307f\u6a5f\u80fd\u306e\u60aa\u7528\u306f\u53e4\u304f\u304b\u3089\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u3088\u308b\u4e0d\u6b63\u30b3\u30fc\u30c9\u5b9f\u884c\u3082\u3001\u3053\u308c\u3068\u540c\u3058\u304f\u3089\u3044\u9577\u3044\u6b74\u53f2\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u306a\u304b\u3067\u3082\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u3044\u307e\u3082\u6ce8\u76ee\u3055\u308c\u3066\u3044\u308b\u7406\u7531\u306e1\u3064\u306f\u3001\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306b\u7d44\u307f\u8fbc\u307e\u308c\u308b\u3053\u3068\u3067\u5f93\u6765\u578b\u30dd\u30a4\u30f3\u30c8\u5bfe\u7b56\u88fd\u54c1\u306e\u691c\u51fa\u3092\u9003\u308c\u3084\u3059\u304f\u306a\u308b\u304b\u3089\u3067\u3059\u3002\u9632\u5fa1\u5074\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u6280\u8853\u3067\u691c\u51fa\u3092\u56de\u907f\u3059\u308b\u653b\u6483\u306e\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u5168\u4f53\u3092\u53ef\u8996\u5316\u3057\u3001\u5f97\u3089\u308c\u305f\u60c5\u5831\u3092\u96c6\u7d04\u3057\u3066\u3001\u5168\u4f53\u50cf\u3092\u628a\u63e1\u3057\u3066\u5bfe\u5fdc\u3057\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u306f \u300c\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u300d\u306f\u300c\u30d5\u30a1\u30a4\u30eb\u304c\u306a\u3044(fileless)\u300d\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u300c\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u300d\u3068\u3044\u3048\u3070\u3001\u4e00\u822c\u306b\u306fEXE\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3067\u306f\u306a\u3044\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u6307\u3059\u3053\u3068\u304c\u591a\u3044\u3067\u3057\u3087\u3046\u3002\u304b\u3064\u3066\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u5229\u7528\u3059\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u591a\u304b\u3063\u305f\u3053\u3068\u304b\u3089\u304d\u305f\u8868\u73fe\u3067\u3059\u304c\u3001\u73fe\u5728\u306f\u3053\u3046\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u305d\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306f\u7279\u5225\u306a\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u3084\u6a19\u7684\u578b\u653b\u6483\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u69d8\u614b\u306f\u5927\u304d\u304f\u5206\u3051\u3066\u4ee5\u4e0b\u306e2\u3064\u3067\u3059\u3002 OS\u7d44\u307f\u8fbc\u307f\u30c4\u30fc\u30eb\u306e\u60aa\u7528(PowerShell\u3084WMI\u306a\u3069) \u30e1\u30e2\u30ea\u5185\u3067\u5b8c\u7d50(\u30c7\u30a3\u30b9\u30af\u306b\u30d5\u30a1\u30a4\u30eb\u3084\u75d5\u8de1\u3092\u6b8b\u3055\u306a\u3044) OS\u7d44\u307f\u8fbc\u307f\u30c4\u30fc\u30eb\u306e\u60aa\u7528 \u793e\u5185\u306e\u7ba1\u7406\u8005\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u7ba1\u7406\u306b\u3001OS\u306b\u5143\u304b\u3089\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308bPowerShell\u3084WMI\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u3082\u6709\u7528\u3067\u3001\u4fb5\u5165\u6642\u306e\u5185\u90e8\u63a2\u7d22\u3084\u611f\u67d3\u62e1\u5927\u306b\u5341\u5206\u306a\u6a5f\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002 OS\u7d44\u307f\u8fbc\u307f\u30c4\u30fc\u30eb\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u306e\u4f8b\u3068\u3057\u3066\u3001\u5f0a\u793e\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u8abf\u67fb\u30c1\u30fc\u30e0Unit 42\u304c\u5831\u544a\u3057\u305f\u653f\u5e9c\u6a5f\u95a2\u3092\u6a19\u7684\u3068\u3057\u305f\u653b\u6483\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u653b\u6483\u3067\u306f\u3001OS\u7d44\u307f\u8fbc\u307f\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9e\u74b0\u5883\u3067\u3042\u308bPowerShell\u3092\u30d9\u30fc\u30b9\u3068\u3059\u308b\u30d0\u30c3\u30af\u30c9\u30a2\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30d0\u30c3\u30af\u30c9\u30a2\u306f\u3001\u300cDNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u300d\u3068\u3044\u3046\u8907\u96d1\u306a\u901a\u4fe1\u65b9\u5f0f\u3092\u4f7f\u3044\u3001\u9060\u9694\u306b\u3044\u308b\u653b\u6483\u8005\u304b\u3089\u547d\u4ee4\u3092\u53d7\u3051\u53d6\u3063\u3066\u5b9f\u884c\u3057\u3066\u3044\u307e\u3057\u305f\u3002 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