{"id":135813,"date":"2021-06-03T21:05:45","date_gmt":"2021-06-04T04:05:45","guid":{"rendered":"https:\/\/www.paloaltonetworks.com\/blog\/?p=135813"},"modified":"2021-06-03T21:05:45","modified_gmt":"2021-06-04T04:05:45","slug":"netsec-dns-attacks","status":"publish","type":"post","link":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/2021\/06\/netsec-dns-attacks\/?lang=ja","title":{"rendered":"\u53f0\u982d\u3059\u308b\u653b\u6483\u5b9f\u4f8b\u304b\u3089\u8003\u3048\u308bDNS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3"},"content":{"rendered":"<p><a href=\"https:\/\/www.paloaltonetworks.com\/cyberpedia\/what-is-dns\">\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0(DNS)<\/a>\u306f\u3001\u30d2\u30e5\u30fc\u30de\u30f3\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306aURL\u3092\u30de\u30b7\u30f3\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306aIP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3001\u5b9f\u8cea\u7684\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u96fb\u8a71\u5e33\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u4e8b\u696d\u904b\u55b6\u4e0a\u6b20\u304b\u305b\u306a\u3044\u8981\u7d20\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001DNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u901a\u904e\u3059\u308b\u3053\u3068\u3084\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30aa\u30da\u30ec\u30fc\u30bf\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3068\u3053\u308d\u304c\u3053\u308c\u304c\u3001\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3068\u3063\u3066\u3082\u683c\u597d\u306e\u6a19\u7684\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u6570\u5e74\u3001\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5bfe\u3057\u3066\u306fDNS\u30d9\u30fc\u30b9\u306e\u3055\u307e\u3056\u307e\u306a\u653b\u6483\u304c\u5c55\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u5834\u5408\u3001\u653b\u6483\u8005\u306fDNS\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30de\u30f3\u30c9&amp;\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb(C2)\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002\u305d\u3057\u3066C2\u306e\u78ba\u7acb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3084\u30e9\u30c6\u30e9\u30eb\u30e0\u30fc\u30d6\uff08\u6a2a\u5c55\u958b\uff09\u3001\u30c7\u30fc\u30bf\u6f0f\u51fa\u3078\u3068\u3064\u306a\u304c\u308a\u307e\u3059\u3002<a href=\"https:\/\/unit42.paloaltonetworks.jp\/overview-of-dnsmasq-vulnerabilities-the-dangers-of-dns-cache-poisoning\/\" rel=\"nofollow,noopener\" >DNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u60aa\u7528<\/a>\u3084C2\u306e\u963b\u6b62\u306e\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316\u304c\u56f3\u3089\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u653b\u6483\u8005\u306e\u6226\u8853\u3068\u624b\u6cd5\u3082\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u9032\u5316\u3059\u308bDNS\u30d9\u30fc\u30b9\u306e\u653b\u6483<\/h2>\n<p>\u4ee5\u4e0b\u306bDNS\u3092\u60aa\u7528\u3059\u308b\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c\u7528\u3044\u308b\u9ad8\u5ea6\u306a\u653b\u6483\u306e\u307b\u3093\u306e\u4e00\u90e8\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.paloaltonetworks.com\/cyberpedia\/what-is-dns-tunneling\"><strong>DNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0<\/strong><\/a> \u2013 \u653b\u6483\u8005\u306fDNS\u30ea\u30be\u30eb\u30d0\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308bC2\u30b5\u30fc\u30d0\u30fc\u306b\u30af\u30a8\u30ea\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002DNS\u30ea\u30be\u30eb\u30d0\u3092\u4ecb\u3057\u3066\u88ab\u5bb3\u8005\u3068\u653b\u6483\u8005\u306e\u9593\u306b\u63a5\u7d9a\u304c\u78ba\u7acb\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u6f0f\u51fa\u306a\u3069\u306e\u4e0d\u6b63\u76ee\u7684\u9042\u884c\u306e\u305f\u3081\u306b\u3053\u306e\u30c8\u30f3\u30cd\u30eb\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/threat-brief-understanding-domain-generation-algorithms-dga\/\" rel=\"nofollow,noopener\" ><strong>\u30c9\u30e1\u30a4\u30f3\u751f\u6210\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0(DGA)<\/strong><\/a> \u2013 \u653b\u6483\u8005\u306f\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u30c9\u30e1\u30a4\u30f3\u306e\u30ea\u30b9\u30c8\u3092\u5373\u5ea7\u306b\u751f\u6210\u3067\u304d\u308b\u3088\u3046DGA\u3092\u958b\u767a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3046\u3057\u3066\u4f5c\u6210\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u304cC2\u306e\u30b3\u30de\u30f3\u30c9\u63d0\u4f9b\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u306e\u60c5\u5831\u53d6\u5f97\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002DGA\u3092\u4f7f\u7528\u3059\u308b\u653b\u6483\u8005\u304c\u591a\u3044\u7406\u7531\u306f\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u653b\u6483\u306b\u4f7f\u7528\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u3092\u3059\u3070\u3084\u304f\u5207\u308a\u66ff\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u30d9\u30f3\u30c0\u304c\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u306e\u30d6\u30ed\u30c3\u30af\u3068\u524a\u9664\u3092\u3064\u304e\u3064\u304e\u884c\u3063\u3066\u304f\u308b\u306e\u3067\u305d\u306e\u5bfe\u7b56\u3067\u3059\u3002<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/fast-flux-101\/\" rel=\"nofollow,noopener\" ><strong>\u9ad8\u901f\u30d5\u30e9\u30c3\u30af\u30b9(\u30d5\u30a1\u30b9\u30c8\u30d5\u30e9\u30c3\u30af\u30b9)<\/strong><\/a> \u2013 \u653b\u6483\u8005\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3054\u3068\u306b\u8907\u6570\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a2d\u5b9a\u3057\u3001\u305b\u308f\u3057\u306a\u304f\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u3001IP\u30d9\u30fc\u30b9\u306e\u5236\u5fa1\u3092\u56de\u907f\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8105\u5a01\u30cf\u30f3\u30bf\u30fc\u304c\u653b\u6483\u8005\u306e\u5834\u6240\u3092\u7a81\u304d\u6b62\u3081\u308b\u306e\u3092\u56f0\u96e3\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/proactive-detector\/\" rel=\"nofollow,noopener\" ><strong>\u60aa\u610f\u306e\u3042\u308b\u65b0\u898f\u767b\u9332\u30c9\u30e1\u30a4\u30f3(NRD)<\/strong><\/a> \u2013 \u65b0\u898f\u767b\u9332\u30c9\u30e1\u30a4\u30f3\u3068\u306f\u3001\u3053\u306e1\u304b\u6708\u9593(\u6b63\u78ba\u306b\u306f33\u65e5\u9593)\u306b\u767b\u9332\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306e\u3053\u3068\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u3060\u307e\u3057\u3066\u30af\u30ea\u30c3\u30af\u3055\u305b\u308b\u305f\u3081\u3001\u6b63\u898f\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u308f\u305a\u304b\u306b\u5909\u66f4\u3057\u305f\u3060\u3051\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u691c\u51fa\u3092\u56f0\u96e3\u306b\u3059\u308b\u305f\u3081\u3001\u3053\u306e\u60aa\u610f\u306e\u3042\u308bNRD\u306f\u3054\u304f\u77ed\u671f\u9593\u3057\u304b\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u306a\u3089\u306a\u3044\u306e\u304c\u3075\u3064\u3046\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>DNS\u653b\u6483\u306e\u5b9f\u614b<\/h2>\n<p>DNS\u30d9\u30fc\u30b9\u306e\u653b\u6483\u306f\u65b0\u3057\u3044\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u3059\u3067\u306b\u8513\u5ef6\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u8fd1\u3082Unit 42\u306fDNS\u3092\u60aa\u7528\u3057\u3066\u4e0d\u6b63\u306a\u76ee\u7684\u3092\u9054\u6210\u3057\u305f\u8907\u6570\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u80cc\u5f8c\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3092\u8907\u6570\u306e\u4e8b\u4f8b\u3067\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>DNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u653b\u6483\u306e\u5b9f\u614b<\/h4>\n<p>\u4e2d\u6771\u3067\u6d3b\u52d5\u3057\u3066\u3044\u308b\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306eOilRig\u306f\u3001C2\u3068\u306e\u901a\u4fe1\u306b<a href=\"https:\/\/unit42.paloaltonetworks.jp\/oilrig-novel-c2-channel-steganography\/\" rel=\"nofollow,noopener\" >\u30ab\u30b9\u30bf\u30e0DNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0<\/a>\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3059\u308b\u30c4\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u3001\u3053\u306e\u30c4\u30fc\u30eb\u3092\u901a\u4fe1\u306e\u4e3b\u8981\u30c1\u30e3\u30cd\u30eb\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u6700\u521d\u306b\u8a2d\u7f6e\u3057\u305f\u901a\u4fe1\u304c\u6b63\u3057\u304f\u6a5f\u80fd\u3057\u306a\u3044\u5834\u5408\u306f\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u30c1\u30e3\u30cd\u30eb\u3068\u3057\u3066\u3082\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>Unit 42\u306f\u307e\u305f\u3001\u4e2d\u6771\u306e\u653f\u5e9c\u6a5f\u95a2\u3092\u6a19\u7684\u306b\u3057\u305f\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306exHunt\u304c<a href=\"https:\/\/unit42.paloaltonetworks.jp\/xhunt-campaign-backdoors\/\" rel=\"nofollow,noopener\" >Snugy<\/a>\u3068\u547c\u3070\u308c\u308b\u30d0\u30c3\u30af\u30c9\u30a2\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30d0\u30c3\u30af\u30c9\u30a2\u306f\u3001C2\u30b5\u30fc\u30d0\u30fc\u3068\u901a\u4fe1\u3059\u308b\u305f\u3081\u306bDNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002\u5177\u4f53\u7684\u306b\u306f\u3001DNS A\u30ec\u30b3\u30fc\u30c9\u691c\u7d22\u3092\u5b9f\u884c\u3057\u3001\u653b\u6483\u8005\u304c\u5236\u5fa1\u3057\u3066\u3044\u308bC2\u30c9\u30e1\u30a4\u30f3\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u305f\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u89e3\u6c7a\u3059\u308b\u3053\u3068\u3067\u884c\u308f\u308c\u307e\u3057\u305f\u3002<\/p>\n<h4>DGA\u306e\u4f7f\u7528\u5b9f\u614b<\/h4>\n<p>DGA\u3092\u53d6\u308a\u5165\u308c\u305f\u653b\u6483\u8005\u306e\u6700\u8fd1\u306e\u4ee3\u8868\u4f8b\u304c\u3001SolarWinds\u306e\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u3092\u4fb5\u5bb3\u3057\u305f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/fireeye-solarstorm-sunburst\/\" rel=\"nofollow,noopener\" >SUNBURST<\/a>\u30d0\u30c3\u30af\u30c9\u30a2\u3067\u3059\u3002SUNBURST\u306fDGA\u3092\u4f7f\u7528\u3057\u3066\u691c\u51fa\u3092\u56de\u907f\u3057\u3001\u30de\u30b7\u30f3\u30c9\u30e1\u30a4\u30f3\u540d\u3001\u30b5\u30fc\u30d0\u30fc\u540d\u3001\u305d\u306e\u4ed6\u306e\u8b58\u5225\u5b50\u306a\u3069\u306e\u57fa\u672c\u30b7\u30b9\u30c6\u30e0\u60c5\u5831\u3092\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u307e\u3057\u305f\u3002SUNBURST\u306f\u3001\u653b\u6483\u8005\u3068\u9023\u7d61\u3092\u3068\u308b\u305f\u3081\u306b\u8981\u6c42\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u8981\u6c42\u306b\u542b\u307e\u308c\u308b\u8b58\u5225\u60c5\u5831\u306b\u57fa\u3065\u3044\u3066\u3001\u653b\u6483\u8005\u306f\u7b2c2\u6bb5\u968e\u306e\u653b\u6483\u3092\u4ed5\u639b\u3051\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n<h4>\u9ad8\u901f\u30d5\u30e9\u30c3\u30af\u30b9\u306e\u5b9f\u614b<\/h4>\n<p>\u79c1\u305f\u3061\u306f\u3001Smoke Loader\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u306b\u95a2\u9023\u3059\u308b\u8907\u6570\u306eC2\u30c9\u30e1\u30a4\u30f3\u3092\u691c\u51fa\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3001\u30d0\u30c3\u30af\u30c9\u30a2\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u60aa\u610f\u306e\u3042\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u3092C2\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u304b\u3089\u60c5\u5831\u76d7\u96e3\u307e\u3067\u591a\u5c90\u306b\u308f\u305f\u308a\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u30012\u9031\u9593\u672a\u6e80\u306e\u671f\u9593\u3067<a href=\"https:\/\/unit42.paloaltonetworks.jp\/fast-flux-101\/\" rel=\"nofollow,noopener\" >\u7d04100\u500b\u306eIP\u30a2\u30c9\u30ec\u30b9<\/a>\u306b\u89e3\u6c7a\u3055\u308c\u308b\u30c9\u30e1\u30a4\u30f3\u3092\u89b3\u6e2c\u3057\u307e\u3057\u305f\u3002<\/p>\n<h4>\u60aa\u610f\u306e\u3042\u308bNRD\u306e\u5b9f\u4f8b<\/h4>\n<p><a href=\"https:\/\/unit42.paloaltonetworks.jp\/covid-19-themed-phishing-attacks\/\" rel=\"nofollow,noopener\" >\u516c\u5f0f\u306eCOVID-19\u95a2\u9023\u30ea\u30bd\u30fc\u30b9\u3092\u507d\u88c5\u3057\u305f<\/a>\u60aa\u610f\u306e\u3042\u308bNRD\u3092\u591a\u6570\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u306f\u30d1\u30f3\u30c7\u30df\u30c3\u30af\u3092\u5de7\u307f\u306b\u5229\u7528\u3057\u307e\u3057\u305f\u3002\u653b\u6483\u8005\u306e\u6a19\u7684\u306f\u3001\u30d1\u30f3\u30c7\u30df\u30c3\u30af\u306b\u95a2\u9023\u3057\u305f\u73fe\u5728\u306e\u51fa\u6765\u4e8b\u306b\u5fdc\u3058\u3066\u5909\u308f\u308a\u307e\u3057\u305f\u3002\u30d1\u30f3\u30c7\u30df\u30c3\u30af\u306e\u521d\u671f\u6bb5\u968e\u3067\u306f\u3001COVID-19\u306b\u95a2\u9023\u3057\u305f\u60c5\u5831\u3084\u691c\u67fb\u30ad\u30c3\u30c8\u3092\u63a2\u3057\u3066\u3044\u308b\u4eba\u3005\u304c\u653b\u6483\u8005\u306e\u6a19\u7684\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001\u653f\u5e9c\u95a2\u9023\u3092\u8b33\u3063\u305fNRD\u3078\u306e\u79fb\u884c\u304c\u89b3\u6e2c\u3055\u308c\u307e\u3057\u305f\u3002\u6551\u6e08\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u88c5\u3044\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u3060\u307e\u3057\u3066\u500b\u4eba\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u4ed5\u5411\u3051\u305f\u306e\u3067\u3059\u3002\u6a19\u7684\u306f\u3055\u3089\u306b\u5909\u5316\u3057\u3001\u73fe\u5728\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u30ef\u30af\u30c1\u30f3\u95a2\u9023\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u30c9\u30e1\u30a4\u30f3\u3092\u767b\u9332\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>DNS\u653b\u6483\u306e\u5bb9\u6613\u5316<\/h4>\n<p>C2\u901a\u4fe1\u3068\u30db\u30b9\u30c8\u306e\u4fb5\u5bb3\u306b\u5229\u7528\u3067\u304d\u308b\u3001\u5e38\u306b\u30aa\u30fc\u30d7\u30f3\u3067\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u63a2\u3057\u3066\u3044\u308b\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u3001DNS\u306f\u6700\u9069\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u6ce8\u76ee\u3059\u3079\u304d\u306f\u3001DNS\u95a2\u9023\u306e\u624b\u6cd5\u304c\u89b3\u6e2c\u3055\u308c\u308b\u306e\u306f\u3001\u3053\u3046\u3057\u305f\u9ad8\u5ea6\u306a\u653b\u6483\u3060\u3051\u3067\u306f\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u4f7f\u3044\u3084\u3059\u3044\u7121\u6599\u30c4\u30fc\u30eb\u304c\u591a\u6570\u5b58\u5728\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u7d4c\u9a13\u306e\u6d45\u3044\u653b\u6483\u8005\u3067\u3082DNS\u3092\u5229\u7528\u3057\u305f\u60aa\u610f\u306e\u3042\u308b\u64cd\u4f5c\u3092\u5bb9\u6613\u306b\u9042\u884c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u653b\u6483\u8005\u306e\u30b9\u30ad\u30eb\u304c\u4e0d\u5341\u5206\u306a\u5834\u5408\u3067\u3082\u3001\u4f8b\u3048\u3070\u3001C2\u901a\u4fe1\u3092\u96a0\u853d\u3059\u308b\u624b\u6bb5\u3068\u3057\u3066DNS\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u30b3\u30e2\u30c7\u30a3\u30c6\u30a3\u30c4\u30fc\u30eb\u306b\u3088\u308a\u3001\u5b9f\u969b\u306b\u5831\u544a\u3055\u308c\u308b\u653b\u6483\u4ef6\u6570\u304c\u5927\u5e45\u306b\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><div class=\"styleIt\" style=\"width:560px;height:315px;\"><lite-youtube videoid=\"CL88U4iNIKk\" ><\/lite-youtube><\/div><\/p>\n<h2>DNS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u5fc5\u8981\u306a\u3082\u306e\u306f\u4f55\u304b<\/h2>\n<p>\u4eca\u65e5\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306f\u3001DNS\u30ec\u30a4\u30e4\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u306f\u306a\u304fWeb\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u76ee\u3092\u5411\u3051\u304c\u3061\u3067\u3059\u3002<a href=\"https:\/\/start.paloaltonetworks.com\/protect-your-dns-traffic-against-threats.html\">\u30de\u30eb\u30a6\u30a7\u30a2\u306e80%<\/a>\u304cDNS\u3092\u4f7f\u7528\u3057\u3066C2\u3092\u78ba\u7acb\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8003\u3048\u308c\u3070\u3001\u7d44\u7e54\u304cDNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u76e3\u8996\u3001\u5206\u6790\u3059\u308b\u3053\u3068\u306f\u6025\u52d9\u3067\u3042\u308b\u3068\u8a00\u3048\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u6a5f\u80fd\u3092\u5099\u3048\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>DNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30a4\u30f3\u30e9\u30a4\u30f3\u3067\u306e\u691c\u67fb \u2013 <\/strong>DNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u5206\u6790\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u5f53\u7136\u306a\u304c\u3089\u3001\u305d\u308c\u3092\u56de\u7dda\u901f\u5ea6\u3067\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u6a5f\u68b0\u5b66\u7fd2\u306e\u6d3b\u7528 \u2013 <\/strong>\u81ea\u52d5\u5316\u3055\u308c\u305f\u653b\u6483\u306b\u6253\u3061\u52dd\u3064\u305f\u3081\u306b\u306f\u81ea\u52d5\u5316\u304c\u5fc5\u8981\u3067\u3059\u3002\u653b\u6483\u304c\u958b\u59cb\u3055\u308c\u308b\u524d\u306b\u3001DNS\u30d9\u30fc\u30b9\u306e\u8105\u5a01\u3092\u5206\u6790\u3001\u691c\u51fa\u3001\u3055\u3089\u306b\u306f\u4e88\u6e2c\u3059\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u62e1\u5f35\u6027 \u2013 <\/strong>\u5358\u7d14\u306a\u9759\u7684\u30b7\u30b0\u30cd\u30c1\u30e3\u306f\u65e2\u77e5\u306e\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u306f\u963b\u6b62\u3067\u304d\u307e\u3059\u304c\u3001\u9ad8\u5ea6\u306aDNS\u8105\u5a01\u306f\u9632\u5fa1\u3067\u304d\u307e\u305b\u3093\u3002\u9069\u7528\u7bc4\u56f2\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3064\u3001\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<li><strong>\u9ad8\u54c1\u8cea\u30c7\u30fc\u30bf\u306e\u4f7f\u7528 \u2013 <\/strong>\u6a5f\u68b0\u5b66\u7fd2\u306e\u4fa1\u5024\u306f\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3059\u308b\u30c7\u30fc\u30bf\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u653b\u6483\u3092\u8a8d\u8b58\u3057\u3066\u4f4e\u3044\u507d\u967d\u6027\u7387\u3092\u7dad\u6301\u3059\u308b\u306b\u306f\u3001\u5b9f\u969b\u306e\u8105\u5a01\u30c7\u30fc\u30bf\u3092\u5927\u91cf\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/li>\n<li><strong>\u7279\u5b9a\u306e\u653b\u6483\u624b\u6cd5\u306e\u9632\u5fa1 \u2013 <\/strong>APT\u653b\u6483\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u3001DGA\u3001DNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u3001\u9ad8\u901f\u30d5\u30e9\u30c3\u30af\u30b9\u306a\u3069\u306e\u624b\u6cd5\u3092\u6d3b\u7528\u3057\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u56de\u907f\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u624b\u6cd5\u306f\u7d76\u3048\u305a\u9032\u5316\u3057\u3066\u304a\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u8c4a\u5bcc\u306a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u63d0\u4f9b \u2013 <\/strong>DNS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30d9\u30f3\u30c8\u3092\u8fc5\u901f\u306b\u4fee\u5fa9\u3057\u3001\u5148\u3092\u898b\u8d8a\u3057\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f53\u5236\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u7d44\u7e54\u306f\u3001DNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5b8c\u5168\u306a\u53ef\u8996\u6027\u3068\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>DNS\u30d9\u30fc\u30b9\u306e\u653b\u6483\u304c\u9032\u5316\u3057\u3066\u3044\u304f\u3088\u3046\u306b\u3001DNS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3082\u9032\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<a href=\"https:\/\/start.paloaltonetworks.com\/protect-your-dns-traffic-against-threats.html\">DNS\u3092\u60aa\u7528\u3059\u308b\u653b\u6483\u8005\u3092\u963b\u6b62<\/a>\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u8a73\u7d30\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><span style=\"font-size: 10pt;\"><em>\u4eca\u65e5\u306e\u7d44\u7e54\u306f\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f93\u6765\u578b\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u30cb\u30fc\u30ba\u3092\u62b1\u3048\u3066\u3044\u307e\u3059\u3002DNS\u30d9\u30fc\u30b9\u306e\u653b\u6483\u306f\u3001\u305d\u3046\u3057\u305f\u9818\u57df\u306e\uff11\u3064\u306b\u3059\u304e\u307e\u305b\u3093\u3002<\/em><a href=\"https:\/\/www.paloaltonetworks.com\/blog\/2021\/04\/cloud-centric-network-security\/\"><em>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u9069\u5fdc\u3059\u308b<\/em><\/a><em>\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u79c1\u305f\u3061\u306e\u30d3\u30b8\u30e7\u30f3\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>DNS attacks are evolving. See real-world examples of how threat actors are using DNS and learn what it takes to stop them.<\/p>\n","protected":false},"author":636,"featured_media":132296,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7124,6877],"tags":[7777,7778,7485,7254],"coauthors":[7698],"class_list":["post-135813","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products-and-services-ja","category-6877","tag-c2-ja","tag-dns-ja","tag-malware-ja","tag-unit-42-ja","net_sec_category-next-generation-firewalls-ja"],"jetpack_featured_media_url":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/05\/Pen-Pointing.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts\/135813","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/users\/636"}],"replies":[{"embeddable":true,"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/comments?post=135813"}],"version-history":[{"count":4,"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts\/135813\/revisions"}],"predecessor-version":[{"id":135817,"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts\/135813\/revisions\/135817"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/media\/132296"}],"wp:attachment":[{"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/media?parent=135813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/categories?post=135813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/tags?post=135813"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/coauthors?post=135813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}