{"id":427,"date":"2017-07-04T17:15:26","date_gmt":"2017-07-04T08:15:26","guid":{"rendered":"http:\/\/techtalk.pcmatic.jp\/?p=427"},"modified":"2017-07-04T17:36:10","modified_gmt":"2017-07-04T08:36:10","slug":"javascript%e3%81%ab%e3%82%88%e3%82%8b%e6%96%b0%e7%a8%ae%e3%81%ae%e9%9b%a3%e8%aa%ad%e5%8c%96%e3%83%9e%e3%83%ab%e3%82%a6%e3%82%a7%e3%82%a2%e8%a7%a3%e6%9e%90%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/techtalk.pcmatic.jp\/?p=427","title":{"rendered":"JavaScript\u306b\u3088\u308b\u65b0\u7a2e\u306e\u96e3\u8aad\u5316\u30de\u30eb\u30a6\u30a7\u30a2\u89e3\u6790\u65b9\u6cd5"},"content":{"rendered":"<p>\u79c1\u305f\u3061PC Pitstop\u306eMalware Research Team\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u65b0\u7a2eJavaScript\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e1\u3064\u306b\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u306e\u4e00\u90e8\u3092\u96e3\u8aad\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3067\u3057\u305f\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u30b3\u30fc\u30c9\u96e3\u8aad\u5316\u306f\u3001\u30d1\u30bd\u30b3\u30f3\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b3\u30fc\u30c9\u3092\u4eba\u304c\u89e3\u6790\u3059\u308b\u306e\u3092\u56f0\u96e3\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b\u6280\u8853\u3067\u3059\u304c\u3001\u30d1\u30bd\u30b3\u30f3\u3067\u306f\u554f\u984c\u306a\u304f\u5b9f\u884c\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u305d\u308c\u306f\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u56f0\u96e3\u3068\u3059\u308b\u305f\u3081\u306e\u65b9\u6cd5\u3067\u3042\u308a\u3001\u4ed6\u306e\u7528\u9014\u306b\u306f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30b3\u30fc\u30c9\u3092\u96e3\u8aad\u5316\u3059\u308b\u4e3b\u306a\u7406\u7531\u306f\u3001\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306a\u3069\u306e\u5206\u6790\u3092\u884c\u3046\u8005\u306b\u5bfe\u3057\u3066\u3001\u305d\u308c\u3092\u56f0\u96e3\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u305d\u3057\u3066\u96e3\u8aad\u5316\u306b\u3082\u95a2\u308f\u3089\u305a\u3001\u30d1\u30bd\u30b3\u30f3\u306b\u3066\u5b9f\u884c\u53ef\u80fd\u306a\u72b6\u614b\u3092\u4fdd\u6301\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u3088\u304f\u3042\u308b\u300c\u30b9\u30d1\u30b2\u30c3\u30c6\u30a3\u30b3\u30fc\u30c9\u300d\u3092\u8aad\u3093\u3060\u308a\u3001100\u672c\u306e\u30ef\u30a4\u30e4\u30fc\u304c\u7d61\u307f\u5408\u3063\u3066\u3044\u305f\u308a\u3059\u308b\u3088\u3046\u306a\u3082\u306e\u3092\u5206\u6790\u3059\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u96e3\u8aad\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3068\u6697\u53f7\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306f\u3001\u307e\u3063\u305f\u304f\u7570\u306a\u308b\u4e8c\u3064\u306e\u3082\u306e\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001WannaCry \/ WanaCrypt0r\u306f\u6697\u53f7\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30b3\u30fc\u30c9\u3092\u69cb\u6210\u3059\u308b\u3059\u3079\u3066\u306e\u30d0\u30a4\u30c8\u304c\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3088\u3063\u3066\u30b9\u30af\u30e9\u30f3\u30d6\u30eb\u3055\u308c\u3001\u30b3\u30fc\u30c9\u306f\u5b9f\u884c\u524d\u306b\u30e1\u30e2\u30ea\u5185\u3067\u5fa9\u53f7\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u6697\u53f7\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u304c\u3069\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u304b\u3092\u6700\u521d\u306b\u78ba\u8a8d\u3057\u3001\u305d\u306e\u5f8c\u306b\u308f\u304b\u308a\u306b\u304f\u3044\u30b3\u30fc\u30c9\u306e2\u3064\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002 \u6697\u53f7\u5316\u3055\u308c\u305f\uff08\u96e3\u8aad\u5316\u3055\u308c\u3066\u3044\u306a\u3044\uff09\u30b3\u30fc\u30c9\uff1a<\/p>\n<p><a href=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Encrypted_WannaCry_Code.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-429\" src=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Encrypted_WannaCry_Code.png\" alt=\"\" width=\"623\" height=\"634\" srcset=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Encrypted_WannaCry_Code.png 623w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Encrypted_WannaCry_Code-295x300.png 295w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Encrypted_WannaCry_Code-210x214.png 210w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Encrypted_WannaCry_Code-255x260.png 255w\" sizes=\"auto, (max-width: 623px) 100vw, 623px\" \/><\/a><\/p>\n<p><span lang=\"ja\">\u3053\u306e\u30b3\u30fc\u30c9\u306f\u5b8c\u5168\u306b\u6697\u53f7\u5316\u3055\u308c\u3001\u5fa9\u53f7\u5316\u30ad\u30fc\u306a\u3057\u3067\u306f\u5229\u7528\u4e0d\u53ef\u80fd\u306a\u3082\u306e\u3067\u3059\u3002<\/span><span lang=\"ja\">\u3053\u308c\u306f\u3001\u96e3\u8aad\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>\u96e3\u8aad\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\uff1a<\/p>\n<p><a href=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_deob.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-430\" src=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_deob-1024x369.png\" alt=\"\" width=\"1024\" height=\"369\" srcset=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_deob-1024x369.png 1024w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_deob-300x108.png 300w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_deob-768x277.png 768w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_deob-304x109.png 304w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_deob-282x102.png 282w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_deob.png 1569w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Obfuscated_NET.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-431\" src=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Obfuscated_NET-1024x730.png\" alt=\"\" width=\"1024\" height=\"730\" srcset=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Obfuscated_NET-1024x730.png 1024w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Obfuscated_NET-300x214.png 300w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Obfuscated_NET-768x547.png 768w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Obfuscated_NET-282x201.png 282w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/Obfuscated_NET.png 1191w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u96e3\u8aad\u5316\u3055\u308c\u305f.NET\u30b3\u30fc\u30c9\u3002Obfuscar\u3067\u96e3\u8aad\u5316\u3057\u305f\u3082\u306e<\/p>\n<p>&nbsp;<\/p>\n<p>\u6697\u53f7\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3068\u306f\u7570\u306a\u308a\u3001\u96e3\u8aad\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3067\u306f\u5b9f\u969b\u306b\u306f\u3059\u3079\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u69cb\u9020\u304c\u305d\u306e\u307e\u307e\u6b8b\u3063\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u4f59\u5206\u306a\u975e\u8ad6\u7406\u7684\u306a\u30b9\u30c6\u30c3\u30d7\u304c\u30b3\u30fc\u30c9\u306b\u8ffd\u52a0\u3055\u308c\u3001\u305d\u308c\u306b\u3088\u308a\u8ffd\u8de1\u3059\u308b\u306e\u3092\u3088\u308a\u56f0\u96e3\u306a\u3082\u306e\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u300115\u756a\u306e\u756a\u53f7\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u4f1d\u3048\u305f\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8a00\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\u7b54\u3048\u3092\u5f97\u308b\u306b\u306f\u30015\u306810\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p><\/blockquote>\n<p>\u307e\u305f\u306f\u3001\u3053\u306e\u3088\u3046\u306b\u8a00\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<blockquote><p>\u7b54\u3048\u3092\u5f97\u308b\u306b\u306f\u3001657,983\u30922\u3067\u5272\u3063\u30663\u3092\u639b\u3051\u30012,000\u3092\u5f15\u3044\u306675\u3092\u52a0\u3048\u30011\u3092\u639b\u3051\u3066985,033\u3092\u5f15\u304f<\/p><\/blockquote>\n<p>\u5f8c\u8005\u306f\u96e3\u8aad\u5316\u3055\u308c\u3001\u5206\u6790\u8005\u304c\u3053\u306e\u7b97\u5f0f\u306b\u3088\u3063\u3066\u5f97\u3089\u308c\u308b\u7d50\u679c\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u306b\u6642\u9593\u3092\u53d6\u3089\u305b\u308b\u3053\u3068\u3092\u9664\u304d\u3001\u3069\u3061\u3089\u3082\u7d50\u679c\u3068\u3057\u306615\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30b3\u30fc\u30c9\u306e\u96e3\u8aad\u5316\u304c\u4f7f\u7528\u3059\u308b\u6280\u8853\u3068\u307e\u3063\u305f\u304f\u540c\u3058\u3067\u3059\u3002\u4e0a\u8a18\u306e\u6700\u521d\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u8abf\u3079\u308b\u3068\u3001g\uff08\uff09\u3068a\uff08\uff09\u306e\u547c\u3073\u51fa\u3057\u304c\u7e70\u308a\u8fd4\u3057\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u5b9f\u969b\u3001a\uff08\uff09\u306fg\uff08\uff09\u306e\u5185\u5074\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u7b2c\u4e00\u306b\u3001g\uff08\uff09\u3068a\uff08\uff09\u306f\u3042\u307e\u308a\u826f\u3044\u95a2\u6570\u540d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6b21\u306b\u3001\u3053\u308c\u3089\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u983b\u5ea6\u3068\u8868\u793a\u3055\u308c\u308b\u6587\u8108\u306b\u3088\u3063\u3066\u3001\u5373\u5ea7\u306b\u79c1\u305f\u3061\u306e\u30a2\u30ca\u30ea\u30b9\u30c8\u306f\u95a2\u6570\u306e\u5b9a\u7fa9\u3092\u307f\u3066\u3001\u3042\u308b\u7570\u5909\u306b\u6c17\u304c\u4ed8\u304d\u307e\u3057\u305f:<\/p>\n<p><a href=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/DecodingFunc.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-432\" src=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/DecodingFunc.png\" alt=\"\" width=\"886\" height=\"172\" srcset=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/DecodingFunc.png 886w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/DecodingFunc-300x58.png 300w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/DecodingFunc-768x149.png 768w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/DecodingFunc-304x59.png 304w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/DecodingFunc-282x55.png 282w\" sizes=\"auto, (max-width: 886px) 100vw, 886px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u5370\u5237\u6a5f\u80fd\u3068\u30c7\u30b3\u30fc\u30c9\u6a5f\u80fd<\/p>\n<p>g() \u306f\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u5165\u529b\u30c6\u30ad\u30b9\u30c8\u3092\u8868\u793a\u3059\u308b\u96e3\u8aad\u5316\u3059\u308b\u95a2\u6570\u3067\u3059\u3002<br \/>\na() \u306f\u5fa9\u5143\u95a2\u6570\u3067\u3059\u3002\u4ed6\u306e\u3059\u3079\u3066\u306e\u6587\u5b57\u3092\u53d6\u5f97\u3057\u305d\u308c\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n<blockquote><p>String.fromCharCode (parseInt (b.substr (c, 2) 16)<\/p><\/blockquote>\n<p>\u7387\u76f4\u306b\u8a00\u3048\u3070\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3092\u9006\u96e3\u8aad\u5316\u3059\u308b\u95a2\u6570\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u3053\u306e\u95a2\u6570\u304c\u5165\u529b\u6587\u5b57\u5217\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u308c\u3092\u89e3\u8aad\u3057\u3066\u624b\u639b\u304b\u308a\u3092\u5f97\u3066\u3044\u308b\u3053\u3068\u3092\u3067\u3059\u3002\u64cd\u4f5c\u4e2d\u306e\u30b3\u30fc\u30c9\u3092\u3055\u3089\u306b\u8abf\u3079\u308b\u305f\u3081\u306b\u3001\u30c7\u30d0\u30c3\u30ac\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u6709\u52b9\u3067\u3059\u3002\u3053\u306e\u7279\u5b9a\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001ActiveX\u3084WScript\u306a\u3069\u306eWindows\u56fa\u6709\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001Internet Explorer\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b F12 \u958b\u767a\u8005\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u901a\u5e38\u3001\u3053\u308c\u306f\u3042\u307e\u308a\u826f\u3044\u5206\u6790\u306e\u305f\u3081\u306e\u9078\u629e\u80a2\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001Firefox\u3084Chrome\u306fIE\u306a\u3069\u306eMicrosoft\u72ec\u81ea\u306e\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u3067\u304d\u308b\u3060\u3051\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8b77\u306e\u5c11\u306a\u3044\u3082\u306e\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002IE\u306f\u3053\u306e\u70b9\u3067\u306f\u6700\u9069\u3067\u3059\u3002IE\u306eF12\u958b\u767a\u8005\u30c4\u30fc\u30eb\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>WScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u5b9f\u969b\u306b\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u5e78\u3044\u306a\u3053\u3068\u306b\u300c\u30b9\u30c6\u30c3\u30d7\u30aa\u30fc\u30d0\u30fc\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u7d9a\u3051\u3001\u5fa9\u5143\u6a5f\u80fd\u306e\u767a\u898b\u306b\u81f3\u308a\u307e\u3057\u305f\u3002\u79c1\u306f\u30c7\u30d0\u30c3\u30ac\u3092\u8d77\u52d5\u3057\u3001\u30b3\u30de\u30f3\u30c9\u3092\u5fa9\u5143\u6a5f\u80fd\u306e\u5185\u90e8\u3067\u5b9f\u884c\u3055\u305b\u3001\u4e00\u5ea6\u306b1\u884c\u305a\u3064\u30b3\u30fc\u30c9\u3092\u9032\u3081\u3001\u5fa9\u5143\u51e6\u7406\u304c\u4e00\u5ea6\u306b1\u6587\u5b57\u305a\u3064\u767a\u751f\u3059\u308b\u306e\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002IE\u304c\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6700\u521d\u306b\u8d77\u52d5\u3057\u305f\u3068\u304d\u306bActiveX\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8a31\u53ef\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u4ee5\u4e0b\u306e\u5fa9\u5143\u3055\u308c\u305f\u6587\u5b57\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\uff1a<\/p>\n<p><a href=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/IE_Tools_Decoding.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-433\" src=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/IE_Tools_Decoding-1024x509.png\" alt=\"\" width=\"1024\" height=\"509\" srcset=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/IE_Tools_Decoding-1024x509.png 1024w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/IE_Tools_Decoding-300x149.png 300w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/IE_Tools_Decoding-768x382.png 768w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/IE_Tools_Decoding-304x151.png 304w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/IE_Tools_Decoding-282x140.png 282w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/IE_Tools_Decoding.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>\u3053\u306e\u6642\u70b9\u3067\u3001\u79c1\u305f\u3061\u306f\u30b3\u30fc\u30c9\u306b\u304a\u3051\u308b\u96e3\u8aad\u306a\u6570\u5b57\u306e1\u3064\u3092\u8a66\u3057\u3001\u3053\u306e\u5fa9\u5143\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u7740\u5b9f\u306b\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u3088\u3046\u306a\u624b\u52d5\u306b\u3088\u308b\u65b9\u6cd5\u306f\u5206\u6790\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u6700\u521d\u306b\u3044\u304f\u3064\u304b\u306e\u81ea\u52d5\u5316\u3055\u308c\u305f\u30c4\u30fc\u30eb\u3092\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u79c1\u306fJSNice\u3001JSDetox\u3001JSUnpack\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u3053\u308c\u3089\u306e\u30b3\u30fc\u30c9\u306e\u3059\u3079\u3066\u3092\u89e3\u8aad\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u305d\u3053\u3067\u79c1\u306f\u5206\u6790\u306e\u305f\u3081\u306b\u6642\u9593\u3092\u60dc\u3057\u307e\u305a\u3001\u624b\u52d5\u3067\u884c\u3046\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u30b3\u30fc\u30c9\u304b\u3089a\uff08\uff09\u95a2\u6570\u3092\u53d6\u308a\u51fa\u3057\u3001Chrome\u3092\u958b\u304d\u3001F12\u30ad\u30fc\u3092\u62bc\u3057\u3001[Source]\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066[Snipet]\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3092\u30dc\u30c3\u30af\u30b9\u306b\u8cbc\u308a\u4ed8\u3051\u307e\u3059\u3002\u79c1\u306f\u95a2\u6570\u306e\u5165\u529b\u3092\u624b\u52d5\u3067\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u306b\u30b3\u30fc\u30c9\u3092\u914d\u7f6e\u3057\u3001\u51fa\u529b\u306fconsole.log\uff08\uff09\u3092\u5b9f\u884c\u3057\u3001\u5165\u529b\u3068\u51fa\u529b\u306e\u4e21\u65b9\u3092Chrome\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u96e3\u8aad\u5316\u3055\u308c\u305f\u6587\u5b57\u5217\u3092\u8cbc\u308a\u4ed8\u3051\u3066\u3001\u5fa9\u5143\u3055\u308c\u305f\u6587\u5b57\u5217\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\uff1a<\/p>\n<p><a href=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/ChromeFunc.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-434\" src=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/ChromeFunc-1024x454.png\" alt=\"\" width=\"1024\" height=\"454\" srcset=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/ChromeFunc-1024x454.png 1024w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/ChromeFunc-300x133.png 300w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/ChromeFunc-768x340.png 768w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/ChromeFunc-304x135.png 304w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/ChromeFunc-282x125.png 282w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/ChromeFunc.png 1598w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Chrome\u3067\u30b9\u30cb\u30da\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u5217\u3092\u624b\u52d5\u3067\u89e3\u9664<\/p>\n<p>\u6700\u7d42\u7684\u306b\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3092\u3059\u3079\u3066\u89e3\u51cd\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/after_js.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-435\" src=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/after_js-1024x590.png\" alt=\"\" width=\"1024\" height=\"590\" srcset=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/after_js-1024x590.png 1024w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/after_js-300x173.png 300w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/after_js-768x442.png 768w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/after_js-304x175.png 304w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/after_js-282x162.png 282w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/after_js.png 1205w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u96e3\u8aad\u5316\u89e3\u6d88\u5f8c\u306e\u30b3\u30fc\u30c9<\/p>\n<p>\u79c1\u306e\u624b\u4f5c\u696d\u306b\u3088\u308b\u96e3\u8aad\u5316\u306e\u5206\u6790\u306b\u304a\u3044\u3066\u3001\u91cd\u8907\u3057\u3066\u3044\u308b\u6a5f\u80fd\u3092\u524a\u9664\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u540d\u524d\u3092\u8b0e\u3081\u3044\u305f1\u6587\u5b57\u306e\u540d\u524d\u304b\u3089\u610f\u5473\u306e\u3042\u308b\u540d\u524d\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u3002\u79c1\u306f\u7686\u3055\u3093\u304c\u3053\u306e\u30b3\u30fc\u30c9\u306e\u30aa\u30ca\u30b8\u30ca\u30eb\u7248\u3092\u898b\u305f\u5834\u5408\u3001\u79c1\u305f\u3061\u304c\u30b3\u30fc\u30c9\u3092\u4fee\u6b63\u3057\u305f\u304b\u308f\u304b\u304b\u308b\u3088\u3046\u306b\u306a\u6587\u5b57\u5217\u3092\u6b8b\u3057\u307e\u3057\u305f\uff1a<\/p>\n<p><a href=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_js.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-436\" src=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_js-1024x377.png\" alt=\"\" width=\"1024\" height=\"377\" srcset=\"https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_js-1024x377.png 1024w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_js-300x111.png 300w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_js-768x283.png 768w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_js-304x112.png 304w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_js-282x104.png 282w, https:\/\/techtalk.pcmatic.jp\/wp-content\/uploads\/2017\/07\/before_js.png 1888w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>\u3054\u89a7\u306e\u3088\u3046\u306b\u3001\u96e3\u89e3\u306a\u30b3\u30fc\u30c9\u306f\u30aa\u30ea\u30b8\u30ca\u30eb\u3088\u308a\u9065\u304b\u306b\u89e3\u8aad\u3057\u3084\u3059\u304f\u3001\u30b3\u30fc\u30c9\u304c\u5b9f\u969b\u306b\u884c\u3046\u3053\u3068\u3092\u628a\u63e1\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u4eca\u56de\u306e\u5834\u5408\u306f\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u60aa\u610f\u306e\u3042\u308bURL\u306b\u79fb\u52d5\u3057\u3001\u3055\u3089\u306b\u60aa\u610f\u306e\u3042\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3088\u3046\u3068\u3057\u307e\u3057\u305f\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u3060\u3051\u3067\u69cb\u6210\u3055\u308c\u305f\u3001\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\u653b\u6483\u306f\u4e00\u822c\u7684\u306a\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u306b\u3088\u308b\u9632\u5fa1\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u306b\u975e\u5e38\u306b\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u6700\u8fd1\u3067\u306f\u30de\u30eb\u30a6\u30a7\u30a2\u4f5c\u6210\u8005\u9593\u3067\u4e00\u822c\u7684\u306a\u9078\u629e\u306b\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002PC Matic\u306f\u3001\u3053\u306e\u7a2e\u306e\u30d5\u30a1\u30a4\u30eb\u30ec\u30b9\u30de\u30eb\u30a6\u30a7\u30a2\u653b\u6483\u304b\u3089\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u5b8c\u5168\u306b\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>JavaScript\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u96e3\u8aad\u5316\u3092\u89e3\u9664\u3059\u308b\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>1.\u307e\u305a\u3001\u30b3\u30fc\u30c9\u3092\u8abf\u3079\u3066\u30b3\u30fc\u30c9\u304c\u96e3\u8aad\u5316\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<br \/>\n2.\u6b21\u306b\u3001JSNice\u3001JSUnpack\u306a\u3069\u306e\u81ea\u52d5\u5316\u3055\u308c\u305f\u96e3\u6d88\u5316\u30c4\u30fc\u30eb\u3092\u8a66\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u901a\u5e38\u3001\u30b3\u30fc\u30c9\u306f\u3059\u3079\u3066\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u307e\u305f\u306f1\u884c\u306b\u300c\u7e2e\u5c0f\u300d\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001JSBeautifier\u304c\u5f79\u306b\u7acb\u3061\u307e\u3059\u3002\u79c1\u306fJS Beautifier\u3092\u4f7f\u3063\u3066\u3001\u30b3\u30fc\u30c9\u306b\u89e6\u308c\u308b\u524d\u306b\u30b3\u30fc\u30c9\u3092\u30b3\u30fc\u30c9\u306e\u3088\u3046\u306b\u898b\u305b\u307e\u3057\u305f\u3002<br \/>\n3.\u30b3\u30fc\u30c9\u3092\u66f8\u5f0f\u8a2d\u5b9a\u3057\u305f\u5f8c\u3001\u30b3\u30fc\u30c9\u3092\u8aad\u307f\u53d6\u3063\u3066\u3001\u30b3\u30fc\u30c9\u5168\u4f53\u3067\u7e70\u308a\u8fd4\u3057\u547c\u3073\u51fa\u3055\u308c\u308b\u95a2\u6570\u3092\u63a2\u3057\u307e\u3059\u3002<br \/>\n4.\u305d\u308c\u3089\u306e\u6a5f\u80fd\u306e\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3001\u307e\u305f\u306f\u30c7\u30b3\u30fc\u30c9(\u96e3\u8aad\u5316)\u307e\u305f\u306f\u30a8\u30f3\u30b3\u30fc\u30c9(\u5fa9\u5143)\u6a5f\u80fd\u306e\u7279\u5b9a\u3092\u8a66\u307f\u308b\u305f\u3081\u306b\u3001\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306e\u5b9a\u7fa9\u3092\u8abf\u3079\u307e\u3059\u3002<br \/>\n5.\u30a8\u30f3\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u5834\u5408\u306f\u3001\u305d\u308c\u3092\u5143\u306b\u623b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c7\u30b3\u30fc\u30c9\u6a5f\u80fd\u306e\u5834\u5408\u306f\u3001\u3053\u3053\u3067\u884c\u3063\u305f\u3088\u3046\u306bChrome\u30b9\u30cb\u30da\u30c3\u30c8\u3067\u62bd\u51fa\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<br \/>\n6.\u5404\u30b7\u30f3\u30dc\u30eb\u3092\u30c7\u30b3\u30fc\u30c9\u3057\u3066\u5143\u306e\u30b3\u30fc\u30c9\u306b\u623b\u3057\u3001\u305d\u308c\u305e\u308c\u3092\u7f6e\u304d\u63db\u3048\u3001\u30b3\u30e1\u30f3\u30c8\u3068\u72ec\u81ea\u306e\u95a2\u6570\u3068\u5909\u6570\u540d\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30fc\u30c9\u3092\u628a\u63e1\u3057\u307e\u3059\u3002<br \/>\n7.URL\u3068IP\u30a2\u30c9\u30ec\u30b9\u306b\u3064\u3044\u3066\u306f\u7279\u306b\u6ce8\u8996\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u306f\u3001\u30cf\u30c3\u30ab\u30fc\u306eWeb\u30b5\u30fc\u30d0\u30fc\u3078\u306eURL\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u539f\u6587:<a href=\"http:\/\/techtalk.pcpitstop.com\/2017\/07\/03\/deobfuscating-javascript-malware\/\">http:\/\/techtalk.pcpitstop.com\/2017\/07\/03\/deobfuscating-javascript-malware <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u79c1\u305f\u3061PC Pitstop\u306eMalware Research Team\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u65b0\u7a2eJavaScript\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e1\u3064\u306b\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u306e\u4e00\u90e8\u3092\u96e3\u8aad\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3067\u3057\u305f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":428,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-427","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-column"],"_links":{"self":[{"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=\/wp\/v2\/posts\/427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=427"}],"version-history":[{"count":12,"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=\/wp\/v2\/posts\/427\/revisions"}],"predecessor-version":[{"id":449,"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=\/wp\/v2\/posts\/427\/revisions\/449"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=\/wp\/v2\/media\/428"}],"wp:attachment":[{"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techtalk.pcmatic.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}