{"id":105608,"date":"2016-09-15T16:53:42","date_gmt":"2016-09-15T23:53:42","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=105608"},"modified":"2020-03-30T01:48:50","modified_gmt":"2020-03-30T08:48:50","slug":"labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions\/","title":{"rendered":"LabyREnth\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b3\u30f3\u30c6\u30b9\u30c8: Windows\u7a2e\u76ee1\uff5e6\u306e\u89e3\u7b54"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>\u4eca\u56de\u3053\u306e\u30b7\u30ea\u30fc\u30ba\u3067\u306f\u3001<a href=\"https:\/\/blog.paloaltonetworks.com\/2016\/07\/unit42-announcing-the-labyrenth-capture-the-flag-ctf-challenge\/\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \">LabyREnth\u3001Unit 42\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b3\u30f3\u30c6\u30b9\u30c8<\/a>\u306e\u8ab2\u984c\u306e\u89e3\u7b54\u3092\u660e\u3089\u304b\u306b\u3057\u307e\u3059\u3002\u9031\u306b1\u7a2e\u76ee\u305a\u3064<a href=\"https:\/\/blog.paloaltonetworks.com\/tag\/ctf\/\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \">\u89e3\u7b54<\/a>\u3092\u516c\u958b\u3057\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u3001Windows\u7a2e\u76ee\u306e\u8ab2\u984c1\uff5e6\u3067\u3059\u3002\u8ab2\u984c7\uff5e9\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u9031\u516c\u958b\u3057\u307e\u3059\u3002<\/p>\n<h3><b>Windows \u8ab2\u984c1: \u3053\u3044\u3064\u3089\u306f\u60aa\u3044\u866b\u3060<\/b><\/h3>\n<p><i>\u8ab2\u984c\u4f5c\u6210\u8005: Richard Wartell\u00a0<\/i><a href=\"https:\/\/twitter.com\/wartortell\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \"><i>@wartortell<\/i><\/a><\/p>\n<p>PE\u30d5\u30a1\u30a4\u30eb\u304c1\u3064\u4e0e\u3048\u3089\u308c\u3066\u3044\u308b\u305f\u3081DetectItEasy\u3067\u958b\u3044\u3066\u307f\u308b\u3068\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u304cUPX\u3067\u5727\u7e2e\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1.png\" \/><\/div>\n<\/div>\n<p>\u305d\u3053\u3067\u3001upx \u2013d\u3067\u89e3\u51cd\u3057\u3066\u307f\u307e\u3059\u304c\u3001\u305d\u3046\u7c21\u5358\u306b\u306f\u3044\u304d\u307e\u305b\u3093\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T1.png\" \/><\/div>\n<\/div>\n<p>\u3069\u3046\u3084\u3089\u3053\u306e\u8ab2\u984c\u3092\u89e3\u304f\u4ee5\u524d\u306b\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u81ea\u529b\u3067\u89e3\u51cd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u305d\u3046\u3067\u3059\u3002UPX\u306f\u3001\u306f\u3058\u3081\u306bpushad\u547d\u4ee4\u3092\u4f7f\u3063\u3066\u30ec\u30b8\u30b9\u30bf\u3092\u30b9\u30bf\u30c3\u30af\u306b\u7a4d\u3093\u3067\u304a\u304f\u3053\u3068\u3067\u3001\u89e3\u51cd\u5f8c\u306b\u30ec\u30b8\u30b9\u30bf\u3092\u691c\u7d22\u3057\u3066\u5143\u3005\u306e\u5165\u53e3\u70b9\u306b\u30b8\u30e3\u30f3\u30d7\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30b9\u30bf\u30c3\u30af\u306b\u7a4d\u307e\u308c\u3066\u3044\u308b\u30ec\u30b8\u30b9\u30bf\u306e\u4f4d\u7f6e\u306b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u8aad\u307f\u51fa\u3057\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u3088\u3046IDA\u306e\u30c7\u30d0\u30c3\u30ac\u30fc\u306b\u6307\u793a\u3092\u3057\u3066\u304a\u3051\u3070OEP(\u5143\u3005\u306e\u5165\u53e3\u70b9)\u306b\u8fd1\u3065\u3051\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T2.png\" \/><\/div>\n<\/div>\n<p>\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u306b\u9054\u3057\u305f\u3089\u3001\u3053\u306e\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u53d6\u308a\u9664\u304d\u3001\u5143\u3005\u306e\u5165\u53e3\u70b9\u306b\u5230\u9054\u3059\u308b\u30c6\u30fc\u30eb \u30b8\u30e3\u30f3\u30d7\u307e\u3067\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_2.png\" \/><\/div>\n<\/div>\n<div style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><i>popa\u547d\u4ee4\u306e\u5f8c\u306b\u30c6\u30fc\u30eb\u30b8\u30e3\u30f3\u30d7\u304c\u73fe\u308c\u308b<\/i><\/span><\/div>\n<p>\u89e3\u51cd\u3055\u308c\u305f\u72b6\u614b\u306e\u30b3\u30fc\u30c9\u306b\u30b8\u30e3\u30f3\u30d7\u3057\u305f\u5f8c\u3001\u65b0\u305f\u306b\u767a\u898b\u3057\u305fOEP\u3092\u88dc\u52a9\u60c5\u5831\u3068\u3057\u3066Scylla\u3092\u4f7f\u3048\u3070\u30d7\u30ed\u30bb\u30b9\u306e\u30c0\u30f3\u30d7\u3092\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_3.png\" \/><\/div>\n<\/div>\n<p>\u89e3\u51cd\u6e08\u307f\u306e\u5b9f\u884c\u5f62\u5f0f\u30d5\u30a1\u30a4\u30eb\u3092<a href=\"https:\/\/binary.ninja\/\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \">Binary Ninja<\/a>\u3067\u958b\u3044\u3066\u307f\u308b\u3068\u3001good boy\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u7d4c\u8def\u3068\u3001bad boy\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u7d4c\u8def\u304c\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u5206\u5c90\u306e\u76f4\u524d\u3067\u547c\u3070\u308c\u308b\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u30ad\u30fc\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3069\u3061\u3089\u306e\u7d4c\u8def\u3092\u53d6\u308b\u304b\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_4.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>Good Boy\u7d4c\u8def\u3068Bad Boy\u7d4c\u8def\u3092\u793a\u3059main<\/i><\/span><\/div>\n<p>check_key\u306b\u30ea\u30cd\u30fc\u30e0\u3055\u308c\u305f\u95a2\u6570\u3092\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u3053\u306e\u95a2\u6570\u304c\u30b9\u30bf\u30c3\u30af\u307e\u3067\u8907\u6570\u30d0\u30a4\u30c8\u79fb\u52d5\u3057\u3066\u5165\u529b\u304c16\u30d0\u30a4\u30c8\u9577\u304b\u3069\u3046\u304b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_5.png\" \/><\/div>\n<\/div>\n<p>\u305d\u306e\u5f8c\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u4e00\u9023\u306e\u30c7\u30d0\u30c3\u30ae\u30f3\u30b0\u5bfe\u7b56\u30c1\u30a7\u30c3\u30af\u3092\u59cb\u3081\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c1\u30a7\u30c3\u30af\u304c\u30c8\u30ea\u30ac\u30fc\u3068\u306a\u3063\u305f\u5834\u5408\u3001\u3053\u308c\u3089\u306e\u30c1\u30a7\u30c3\u30af\u306f\u95a2\u6570\u306b0 (FALSE)\u3092\u8fd4\u3055\u305b\u307e\u3059\u3002\u5404\u30c1\u30a7\u30c3\u30af\u306b\u5148\u7acb\u3061\u3001\u79c1\u305f\u3061\u306e\u6587\u5b57\u5217\u306b\u5bfe\u3057\u3066\u6587\u5b57\u5217\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u64cd\u4f5c\u3082\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_6.png\" \/><\/div>\n<\/div>\n<p>\u6700\u521d\u306e\u30c7\u30d0\u30c3\u30ae\u30f3\u30b0\u5bfe\u7b56\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u30c7\u30d0\u30c3\u30b0\u3055\u308c\u3066\u3044\u308b\u6700\u4e2d\u304b\u5426\u304b\u3092\u8abf\u3079\u308bCheckRemoteDebuggerPresent\u306e\u547c\u3073\u51fa\u3057\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_7.png\" \/><\/div>\n<\/div>\n<p>2\u756a\u76ee\u306e\u30c7\u30d0\u30c3\u30ae\u30f3\u30b0\u5bfe\u7b56\u30c1\u30a7\u30c3\u30af\u306f\u3001OLLYDBG\u3068\u3044\u3046\u540d\u524d\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308bFindWindowW\u306e\u547c\u3073\u51fa\u3057\u3067\u3059\u3002\u3053\u3053\u3067OLLYDBG\u3068\u306f\u30a2\u30ca\u30ea\u30b9\u30c8\u304c\u3088\u304f\u4f7f\u3046\u30c7\u30d0\u30c3\u30ac\u30fc\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_8.png\" \/><\/div>\n<\/div>\n<p>3\u756a\u76ee\u306e\u30c7\u30d0\u30c3\u30ae\u30f3\u30b0\u5bfe\u7b56\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u30c7\u30d0\u30c3\u30b0\u3055\u308c\u3066\u3044\u308b\u6700\u4e2d\u304b\u5426\u304b\u3092\u8abf\u3079\u308bIsDebuggerPresent\u306e\u547c\u3073\u51fa\u3057\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_9.png\" \/><\/div>\n<\/div>\n<p>\u6700\u5f8c\u3068\u306a\u308b4\u756a\u76ee\u306e\u30c7\u30d0\u30c3\u30ae\u30f3\u30b0\u5bfe\u7b56\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30bf\u30a4\u30df\u30f3\u30b0 \u30c1\u30a7\u30c3\u30af\u3068\u3057\u3066\u30a2\u30bb\u30f3\u30d6\u30ea\u547d\u4ee4\u306erdtsc\u30922\u56de\u4f7f\u3046\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u76ee\u7684\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u30d7\u30ed\u30bb\u30b9\u304c\u30c7\u30d0\u30c3\u30b0\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u5927\u304b\u5426\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_10.png\" \/><\/div>\n<\/div>\n<p>\u3053\u308c\u3089\u306e\u30c7\u30d0\u30c3\u30ae\u30f3\u30b0\u5bfe\u7b56\u30c1\u30a7\u30c3\u30af\u306b\u3059\u3079\u3066\u5408\u683c\u3059\u308b\u3068\u3001\u6700\u5f8c\u306e\u6587\u5b57\u5217\u64cd\u4f5c\u306b\u8fbf\u308a\u7740\u304d\u307e\u3059\u3002\u3053\u306e\u6587\u5b57\u5217\u64cd\u4f5c\u306f\u3001\u8907\u6570\u30d0\u30a4\u30c8\u304b\u3089\u306a\u308b\u521d\u671f\u30d0\u30c3\u30d5\u30a1\u306b\u304a\u3051\u308b\u30aa\u30d5\u30bb\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u64cd\u4f5c\u306e\u7d50\u679c\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u305d\u308c\u3089\u304c\u7b49\u3057\u304f\u306a\u3044\u5834\u5408\u3001\u3053\u306e\u95a2\u6570\u306f0 (FALSE)\u3092\u8fd4\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u305d\u308c\u3089\u304c\u7b49\u3057\u3051\u308c\u3070\u7d50\u679c\u304c\u53ef\u7b97\u3055\u308c\u3001\u3053\u308c\u304c\u6700\u5f8c\u306e\u64cd\u4f5c\u306b\u304a\u3051\u308bXOR\u6f14\u7b97\u30ad\u30fc\u3068\u3057\u3066\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_11.png\" \/><\/div>\n<\/div>\n<p>\u521d\u671f\u30d0\u30c3\u30d5\u30a1\u3092\u30b3\u30d4\u30fc\u3057\u3001\u64cd\u4f5c\u3092Python\u3067\u66f8\u304d\u76f4\u3059\u3068\u89e3\u7b54\u306e\u624b\u304c\u304b\u308a\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T3.png\" \/><\/div>\n<\/div>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u3066\u89e3\u7b54\u306e\u624b\u304c\u304b\u308a\u3092\u5f97\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">python solve.py<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">PAN{C0nf1agul4ti0ns_0n_4_J08_W3LL_D0N3!}<\/span><\/p>\n<h3><b>Windows \u8ab2\u984c2: \u30e4\u30ae\u306f\u4f55\u3068\u8a00\u3063\u3066\u3044\u308b\u306e\u304b\u306a<\/b><\/h3>\n<p><i>\u8ab2\u984c\u4f5c\u6210\u8005: Richard Wartell\u00a0<\/i><a href=\"https:\/\/twitter.com\/wartortell\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \"><i>@wartortell<\/i><\/a><\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_12.png\" \/><\/div>\n<\/div>\n<p>\u3053\u308c\u3092dnSpy\u3067\u958b\u3044\u3066\u9006\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3001\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002key_click\u95a2\u6570\u304c\u8208\u5473\u6df1\u3044\u3082\u306e\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u305d\u308c\u306f\u30ad\u30fc\u304c\u4f55\u3089\u304b\u306e\u9806\u5e8f\u3067\u62bc\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3001\u72b6\u614b\u3092\u8ffd\u8de1\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_13.png\" \/><\/div>\n<\/div>\n<p>\u30ad\u30fc\u306b\u306f\u756a\u53f7\u304c\u632f\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u767d\u3044\u30ad\u30fc\u306b\u5bfe\u3057\u3066\u958b\u59cb\u5024\u30920\u3068\u3057\u3066\u5de6\u304b\u3089\u53f3\u306b\u756a\u53f7\u304c\u632f\u3089\u308c\u3001\u9ed2\u3044\u30ad\u30fc\u306b\u5bfe\u3057\u3066\u3082\u540c\u69d8\u306b\u756a\u53f7\u304c\u632f\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30ad\u30fc\u304c\u6b63\u3057\u3044\u9806\u5e8f\u3067\u62bc\u3055\u308c\u308b\u3068do_a_thing()\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_14.png\" \/><\/div>\n<\/div>\n<p>\u3053\u306e\u95a2\u6570\u306b\u3088\u308a\u3001\u9762\u767d\u3044David Bowie\u306e\u52d5\u753b\u304c\u518d\u751f\u3055\u308c\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u80cc\u666f\u3067\u89e3\u7b54\u306e\u624b\u304c\u304b\u308a\u304c\u30a2\u30b9\u30ad\u30fc \u30a2\u30fc\u30c8\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_15.png\" \/><\/div>\n<\/div>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_16.png\" \/><\/div>\n<\/div>\n<p>PAN{B4BY_Y3LL5_5O_LOUD!}<\/p>\n<h3><b>Windows \u8ab2\u984c3: \u81ea\u5206\u306e\u30bc\u30cb\u30ac\u30e1\u306f\u5e78\u305b\u306b\u3057\u3066\u304a\u304b\u306a\u304f\u3063\u3061\u3083<\/b><\/h3>\n<p><i>\u8ab2\u984c\u4f5c\u6210\u8005: Tyler Halfpop\u00a0<\/i><a href=\"https:\/\/twitter.com\/0xtyh\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \"><i>@0xtyh<\/i><\/a><\/p>\n<p>\u30dd\u30b1\u30e2\u30f3\u306e\u30bc\u30cb\u30ac\u30e1\u306e\u8ab2\u984c\u306b\u95a2\u3057\u3066\u3001\u5b9f\u884c\u5f62\u5f0f\u30d5\u30a1\u30a4\u30eb\u304c\u4e0e\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30bc\u30cb\u30ac\u30e1\u306e\u306a\u304b\u306a\u304b\u306e\u30a2\u30b9\u30ad\u30fc \u30a2\u30fc\u30c8\u3068\u30d1\u30b9\u30ef\u30fc\u30c9 \u30c1\u30a7\u30c3\u30af\u304c\u73fe\u308c\u307e\u3059\u3002\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u9593\u9055\u3048\u308b\u3068\u3001\u60b2\u3057\u3044\u3053\u3068\u306b\u30bc\u30cb\u30ac\u30e1\u306f\u3042\u3063\u3051\u306a\u304f\u6b7b\u3093\u3067\u3057\u307e\u3044\u3001\u305d\u308c\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u7d42\u308f\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_17.png\" \/><\/div>\n<\/div>\n<div style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><i>\u6b63\u3057\u304f\u306a\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u6b7b\u3093\u3060\u30bc\u30cb\u30ac\u30e1<\/i><\/span><\/div>\n<p>\u3053\u306e\u30d0\u30a4\u30ca\u30ea\u3092<a href=\"https:\/\/binary.ninja\/\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \">Binary Ninja<\/a>\u3067\u958b\u304d\u3001main\u95a2\u6570\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6700\u521d\u306e\u5206\u5c90\u547d\u4ee4\u3092\u8abf\u3079\u308b\u3068\u3001\u30d1\u30b9\u30ef\u30fc\u30c9 \u30c1\u30a7\u30c3\u30af\u3092\u3057\u3066\u3044\u308b401070\u306e\u76f4\u524d\u306b\u95a2\u6570\u547c\u3073\u51fa\u3057\u304c\u3042\u308a\u307e\u3059\u3002\u6587\u5b57\u5217\u201cincorrect\u201d\u3068\u306e\u5358\u306a\u308b\u6587\u5b57\u5217\u6bd4\u8f03\u3060\u3068\u3044\u3046\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_18.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u30d1\u30b9\u30ef\u30fc\u30c9 \u30c1\u30a7\u30c3\u30af\u95a2\u6570<\/i><\/span><\/div>\n<p>\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u6b63\u3057\u304f\u5165\u529b\u3059\u308b\u3068\u3001\u3046\u308c\u3057\u3044\u3053\u3068\u306b\u30bc\u30cb\u30ac\u30e1\u3092\u6b7b\u306a\u305b\u305a\u306b\u6e08\u3093\u3060\u3053\u3068\u304c\u5206\u304b\u308a\u3001\u3055\u3089\u306b\u51fa\u529b\u3092\u5f97\u307e\u3059\u3002\u30c7\u30d0\u30c3\u30ae\u30f3\u30b0\u5bfe\u7b56\u30c1\u30a7\u30c3\u30af\u3068\u4eee\u60f3\u30de\u30b7\u30f3\u5bfe\u7b56\u30c1\u30a7\u30c3\u30af\u3092\u901a\u904e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u901a\u904e\u3059\u308b\u3068\u4eca\u5ea6\u306f\u7b54\u304canswer.jpg\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304b\u308c\u3066\u3044\u308b\u3068\u8a00\u308f\u308c\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_19.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u6b63\u3057\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u51fa\u529b<\/i><\/span><\/div>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u5f8c\u306b\u66f8\u304b\u308c\u305fanswer.jpg\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u58ca\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u3069\u306e\u3088\u3046\u306b\u3057\u305f\u3089\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30c7\u30a3\u30b9\u30af\u306b\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u6b63\u3057\u304f\u66f8\u304d\u8fbc\u3080\u3088\u3046\u306b\u3067\u304d\u308b\u304b\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002main\u95a2\u6570\u306e\u6700\u5f8c\u306e\u65b9\u3092\u898b\u308b\u3068\u3001\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u306eXOR\u30ad\u30fc\u3092\u4f7f\u3063\u3066\u3044\u308b\u30eb\u30fc\u30d7\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_20.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>answer.jpg\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u3044\u3066\u3044\u308bXOR\u30eb\u30fc\u30d7<\/i><\/span><\/div>\n<p>\u5404\u30b9\u30c6\u30c3\u30d7\u3092\u901a\u904e\u3059\u308c\u3070\u3001\u6b63\u3057\u3044\u30a4\u30e1\u30fc\u30b8\u3092\u51fa\u529b\u3059\u308b\u6b63\u3057\u3044\u30ad\u30fc\u304c\u5f97\u3089\u308c\u308b\u3001\u3068\u4eee\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5404\u6bb5\u968e\u306b\u304a\u3044\u3066\u30c1\u30a7\u30c3\u30af\u304c\u3042\u308a\u3001\u3055\u3089\u306b\u305d\u306e\u5f8c\u306b\u30b3\u30fc\u30c9\u3092\u96e3\u8aad\u5316\u3059\u308b\u305f\u3081\u306e\u507d\u7269\u306erand() == rand()\u30c1\u30a7\u30c3\u30af\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306b\u306f\u306a\u3093\u3068\u3082\u304a\u304b\u3057\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u4f34\u3063\u3066\u3044\u307e\u3059\u3002\u6709\u96e3\u3044\u3053\u3068\u306b\u3001\u79c1\u305f\u3061\u304c\u884c\u304d\u8a70\u307e\u3063\u305f\u308a\u3001\u6b63\u3057\u3044\u7d4c\u8def\u306b\u3064\u3044\u3066\u78ba\u4fe1\u304c\u6301\u3066\u306a\u3044\u5834\u5408\u3067\u3082\u3001\u5404\u6bb5\u968e\u3067\u5f79\u306b\u7acb\u3064\u30d2\u30f3\u30c8\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_21.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u507d\u7269\u306erand\u30c1\u30a7\u30c3\u30af\u3092\u4f34\u3046Sleep\/GetTickCount\u30c1\u30a7\u30c3\u30af<\/i><\/span><\/div>\n<p>\u6700\u521d\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001\u4e00\u822c\u7684\u306a\u30c7\u30d0\u30c3\u30ac\u30fc \u30a6\u30a3\u30f3\u30c9\u30a6 \u30af\u30e9\u30b9\u304c\u898b\u3064\u304b\u308b\u304b\u5426\u304b\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T4.png\" \/><\/div>\n<\/div>\n<p>2\u756a\u76ee\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30aa\u30d5\u30bb\u30c3\u30c8fs: [30h+2]\u306b\u304a\u3051\u308bProcess Environment Block\u3092\u8abf\u3079\u3066\u30d7\u30ed\u30bb\u30b9\u304c\u30c7\u30d0\u30c3\u30b0\u3055\u308c\u3066\u3044\u308b\u6700\u4e2d\u304b\u5426\u304b\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T5.png\" \/><\/div>\n<\/div>\n<p>3\u756a\u76ee\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001Windows API\u306eGetTickCount()\u3092\u4f7f\u3063\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u65b0\u305f\u306b\u8d77\u52d5\u3055\u308c\u305f\u3082\u306e\u3067\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T6.png\" \/><\/div>\n<\/div>\n<p>4\u756a\u76ee\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001GetTickCount()\u3068\u3068\u3082\u306bSleep\u3092\u4f7f\u3044\u3001\u30b9\u30ea\u30fc\u30d7\u547c\u3073\u51fa\u3057\u3092\u8fc2\u56de\u3057\u3088\u3046\u3068\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T7.png\" \/><\/div>\n<\/div>\n<p>5\u756a\u76ee\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u30c7\u30d0\u30c3\u30b0\u3055\u308c\u3066\u3044\u308b\u6700\u4e2d\u304b\u5426\u304b\u3092\u8abf\u3079\u308b\u305f\u3081\u3001Windows API\u306eIsDebuggerPresent\u3092\u4f7f\u3046\u3060\u3051\u3067\u3059\u30026\u756a\u76ee\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u30c7\u30d0\u30c3\u30b0\u3055\u308c\u3066\u3044\u308b\u6700\u4e2d\u304b\u5426\u304b\u3092\u8abf\u3079\u308b\u305f\u3081\u3001\u540c\u69d8\u306bWindows API\u306eCheckRemoteDebuggerPresent\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p>7\u756a\u76ee\u306e\u6bb5\u968e\u3067\u306f\u3001CPU\u304c2\u500b\u3088\u308a\u3082\u591a\u3044\u304b\u5426\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T8.png\" \/><\/div>\n<\/div>\n<p>8\u756a\u76ee\u306e\u6bb5\u968e\u3067\u306f\u3001RAM\u304c1024 GB\u3088\u308a\u3082\u591a\u3044\u304b\u5426\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T9.png\" \/><\/div>\n<\/div>\n<p>\u6700\u5f8c\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001CPU\u30cf\u30a4\u30d1\u30fc\u30d0\u30a4\u30b6 \u30d3\u30c3\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u5426\u304b\u3092\u8abf\u3079\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T10.png\" \/><\/div>\n<\/div>\n<p>\u30d0\u30a4\u30ca\u30ea\u5185\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4e00\u6b69\u305a\u3064\u9032\u3081\u3066\u884c\u304f\u3068\u3001\u6b63\u3057\u3044\u7d4c\u8def\u304c\u53d6\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u304b\u3081\u3089\u308c\u307e\u3059\u3002\u305d\u3046\u3057\u3066\u6b63\u3057\u3044\u30a4\u30e1\u30fc\u30b8\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_22.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u6b63\u3057\u3044\u7d4c\u8def\u3092\u8fbf\u3063\u305f\u8de1\u306e\u56f3<\/i><\/span><\/div>\n<p>\u5404\u6bb5\u968e\u3067\u89e3\u7b54\u306e\u6b63\u3057\u3044\u624b\u304c\u304b\u308a\u3092\u5f97\u3001XOR\u6f14\u7b97\u51e6\u7406\u3055\u308c\u305f\u30a4\u30e1\u30fc\u30b8\u306e\u30d0\u30c3\u30d5\u30a1\u3092\u3064\u304b\u307e\u3048\u3066Python\u3067\u5fa9\u53f7\u5316\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T11.png\" \/><\/div>\n<\/div>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_23.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u6b63\u3057\u3044\u30a4\u30e1\u30fc\u30b8<\/i><\/span><\/div>\n<p>\u6700\u7d42\u7684\u306b\u3001\u30d0\u30a4\u30ca\u30ea\u3092\u30c7\u30b3\u30fc\u30c9\u3057\u3066\u89e3\u7b54\u306e\u624b\u304c\u304b\u308a\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059(\u6e08\u307f\u307e\u305b\u3093(\u7b11))\u3002<\/p>\n<p>PAN{Th3_$quirtL3_$qu@d_w@z_bLuffiNg}<\/p>\n<h3><b>Windows \u8ab2\u984c4: 99\u672c\u306e\u30d3\u30fc\u30eb\u304c\u58c1\u306b\u300199\u672c\u306e\u30d3\u30fc\u30eb\u3060\u3088\u30021\u672c\u53d6\u3063\u3066\u307f\u3093\u306a\u306b\u56de\u305b\u3070\u3001\u58c1\u306b\u306f\u30d3\u30fc\u30eb\u304c98\u672c\u3060\u3002\u3055\u3042\u3066\u3001\u30d3\u30fc\u30eb\u306e\u30d4\u30c3\u30c1\u30e3\u30fc\u56de\u3055\u306b\u3083\u306a\u3089\u3093\u3001\u9806\u756a\u306b<\/b><\/h3>\n<p><i>\u8ab2\u984c\u4f5c\u6210\u8005: Jacob Soo\u00a0<\/i><a href=\"https:\/\/twitter.com\/_jsoo_\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \"><i>@_jsoo_<\/i><\/a><\/p>\n<p>\u3053\u306e<a href=\"https:\/\/labyrenth.com\/challenges\/windows\/3dd0d247d51df1e9c8ae594089c82608792f6bbc376e102aee52ad7c1baa91ab\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \">\u8ab2\u984c<\/a>\u306b\u95a2\u3057\u3066\u3001\u53c2\u52a0\u8005\u306e\u7686\u3055\u3093\u306b\u306f\u6709\u52b9\u306a\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3092\u8981\u6c42\u3057\u3066\u304f\u308bx64\u30d0\u30a4\u30ca\u30ea\u304c\u4e0e\u3048\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u4e0b\u8a18\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u76ee\u306b\u3059\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_24.png\" \/><\/div>\n<\/div>\n<p>\u3053\u308c\u306f\u6614\u306a\u304c\u3089\u306ecrackme\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u3088\u3046\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u95a2\u6570\u3092\u898b\u3064\u3051\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u898b\u3064\u3051\u308b\u305f\u3081\u306b\u306f\u3001\u602a\u3057\u3052\u306a\u6587\u5b57\u5217\u304c\u4f7f\u3048\u305d\u3046\u304b\u5e38\u306b\u76ee\u3092\u5149\u3089\u305b\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>Hopper\u3092\u4f7f\u3046\u3068\u3001\u6b21\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u793a\u3059\u3068\u304a\u308a\u4e0b\u8a18\u306e\u8907\u6570\u306e\u6587\u5b57\u5217\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_25.png\" \/><\/div>\n<\/div>\n<p>\u305d\u3053\u3067\u201cstrings\u201d\u306e1\u3064\u3092\u9078\u3093\u3067\u3001\u3053\u308c\u304c\u3069\u3053\u3067\u53c2\u7167\u3055\u308c\u3066\u3044\u305f\u306e\u304b\u3092\u8abf\u3079\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_26.png\" \/><\/div>\n<\/div>\n<p>\u3055\u3042\u3001<b>GetDlgItemText\u307e\u305f\u306fGetDlgItemTextW<\/b>\u3068\u3044\u3046API\u30b3\u30fc\u30eb\u304c1\u3064\u3067\u3082\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3055\u3066\u3001\u3069\u3046\u3084\u3089<b>140001464<\/b>\u306b1\u3064\u3042\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_27.png\" \/><\/div>\n<\/div>\n<p>\u30c7\u30d0\u30c3\u30ac\u30fc\u3092\u30b9\u30c6\u30c3\u30d7\u5b9f\u884c\u3057\u3066\u51e6\u7406\u306e\u6d41\u308c\u306b\u4efb\u305b\u3066\u307f\u308b\u3068\u3001<b>1400014b3<\/b>\u3067\u6587\u5b57\u5217\u9577\u30c1\u30a7\u30c3\u30af\u306b\u906d\u9047\u3057\u307e\u3059\u3002\u3053\u308c\u3067\u5165\u529b\u6587\u5b57\u5217\u306f\u9577\u3055\u304c32\u6587\u5b57\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u518d\u3073\u4e00\u6b69\u305a\u3064\u9032\u3081\u3066\u307f\u308b\u3068\u3001<b>140001500<\/b>\u306b\u304a\u3044\u3066\u3001\u5165\u529b\u6587\u5b57\u304c1\u30012\u307e\u305f\u306f3\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u3092\u78ba\u304b\u3081\u308b\u30c1\u30a7\u30c3\u30af\u306b\u906d\u9047\u3057\u307e\u3059\u3002\u3053\u306e\u8ab2\u984c\u306b\u95a2\u3059\u308b\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u304c1\u30012\u30013\u3067\u3057\u304b\u69cb\u6210\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u3053\u308c\u3067\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u4eee\u306b<b>140001750<\/b>\u306b\u304a\u3044\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5206\u6790\u3057\u305f\u306a\u3089\u3070\u3001[0, 13, 7]\u3068\u3044\u3046\u521d\u671f\u306e\u5bb9\u91cf\u3092\u6301\u3064\u914d\u5217\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3067\u3057\u3087\u3046\u3002\u3057\u304b\u3057\u201c\u30d4\u30c3\u30c1\u30e3\u30fc\u201d\u306e\u6700\u5927\u5bb9\u91cf\u306f[19, 13, 7]\u3067\u3042\u308a\u3001\u671f\u5f85\u3059\u308b\u6700\u7d42\u72b6\u614b\u306f\u914d\u5217\u304c[10, 10, 0]\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002\u8981\u3059\u308b\u306b\u3001\u5927\u304d\u3055\u304c7\u300113\u300119\u3067\u3042\u308b3\u3064\u306e\u201c\u30d4\u30c3\u30c1\u30e3\u30fc\u201d\u304c\u3042\u308a\u3001\u5927\u304d\u3055\u304c7\u306813\u306e\u201c\u30d4\u30c3\u30c1\u30e3\u30fc\u201d\u306f\u3069\u3061\u3089\u3082\u6e80\u676f\u3067\u3059\u304c\u3001\u5927\u304d\u3055\u304c19\u306e\u5bb9\u5668\u306f\u7a7a\u3067\u3042\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u5fc5\u8981\u306a\u306e\u306f2\u3064\u306e\u5bb9\u5668(\u5927\u304d\u3055\u304c13\u306819)\u306b\u304a\u3044\u306610\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u7591\u4f3c\u30b3\u30fc\u30c9\u3067\u3053\u308c\u3092\u66f8\u304d\u76f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u30023\u3064\u306e\u201c\u30d4\u30c3\u30c1\u30e3\u30fc\u201d\u306e\u72b6\u614b\u304c\u914d\u5217M\u3067\u8868\u3055\u308c\u30013\u3064\u306e\u30d4\u30c3\u30c1\u30e3\u30fc\u304ca, b, c\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T12.png\" \/><\/div>\n<\/div>\n<p>\u6700\u521d\u306e\u3046\u3061\u306f\u3001\u3053\u3053\u3067\u4f55\u304c\u8d77\u304d\u3066\u3044\u308b\u306e\u304b\u3001\u5b9f\u969b\u306e\u3068\u3053\u308d\u975e\u5e38\u306b\u5206\u304b\u308a\u306b\u304f\u304f\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3088\u304f\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u308c\u306f\u30d4\u30c3\u30c1\u30e3\u30fc\u306e\u9650\u754c\u5024\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T13.png\" \/><\/div>\n<\/div>\n<p>\u3055\u3066\u3001\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u306b\u304a\u3044\u3066\u3001\u4eee\u306b31 (10\u6570\u5024\u306e31\u3067\u306f\u306a\u304f\u6570\u5b57\"3\"\u3068\u6570\u5b57\"1\"\u306e\u4e26\u3073\u3068\u898b\u308b)\u304b\u3089\u59cb\u3081\u305f\u5834\u5408\u3001\u8981\u3059\u308b\u306b\u3053\u308c\u306f\u30d4\u30c3\u30c1\u30e3\u30fcC(3\u756a\u76ee)\u306e\u4e2d\u8eab\u3092\u30d4\u30c3\u30c1\u30e3\u30fcA(1\u756a\u76ee)\u304c\u6e80\u676f\u306b\u306a\u308b\u3088\u3046\u79fb\u3057\u66ff\u3048\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u306e\u3088\u3046\u306b\u3001\u3053\u308c\u306e\u76ee\u7684\u306f\u201c\u30d3\u30fc\u30eb\u201d\u3092\u79fb\u3057\u56de\u3057\u3066\u30d4\u30c3\u30c1\u30e3\u30fcA == 10\u304b\u3064\u30d4\u30c3\u30c1\u30e3\u30fcB == 10\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u304c\u6709\u540d\u306a\u201c<a href=\"https:\/\/www.cut-the-knot.org\/ctk\/Water.shtml\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \">\u6db2\u4f53\u3092\u6ce8\u3050\u30d1\u30ba\u30eb<\/a>\u201d\u3067\u3042\u308b\u3053\u3068\u306b\u6c17\u4ed8\u304b\u308c\u305f\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u30d1\u30ba\u30eb\u306e\u3053\u3068\u3092\u79c1\u305f\u3061\u306e\u5927\u90e8\u5206\u3068\u306f\u8a00\u308f\u306a\u3044\u307e\u3067\u3082\u3001\u4e00\u90e8\u306e\u4eba\u305f\u3061\u306f\u5b66\u6821\u306b\u901a\u3063\u3066\u3044\u308b\u9803\u805e\u3044\u305f\u3053\u3068\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u767a\u898b\u306b\u57fa\u3065\u3044\u3066\u30c4\u30fc\u30eb\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u30da\u30f3\u3068\u7d19\u3092\u4f7f\u3063\u3066\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002\u4e0b\u8a18\u306e\u3088\u3046\u306a\u3082\u306e\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">0-13-7<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">7-13-0<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">19-1-0<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">12-1-7<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">12-8-0<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">5-8-7<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">5-13-2<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">18-0-2<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">18-2-0<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">11-2-7<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">11-9-0<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">4-9-7<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">4-13-3<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">17-0-3<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">17-3-0<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">10-3-7<\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">10-10-0<\/span><\/p>\n<p>\u3053\u308c\u3092\u30b7\u30ea\u30a2\u30eb \u30b3\u30fc\u30c9\u306b\u66f8\u304d\u76f4\u3057\u3066\u307f\u308b\u3068\u3001\u3053\u3046\u306a\u308a\u307e\u3059\u300231211332133221321332133221321332<\/p>\n<p>\u3053\u308c\u3092\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3068\u3057\u3066\u4f7f\u3046\u3068\u3001\u554f\u984c\u304c\u89e3\u3051\u3066\u3053\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_28.png\" \/><\/div>\n<\/div>\n<p>PAN{C0ngr47ulaT1ons<i>buddy<\/i>y0Uv3<i>solved<\/i>the<i>re4l<\/i>_prObL3M}<\/p>\n<h3><b>Windows \u8ab2\u984c5: \u304a\u6c17\u306b\u5165\u308a\u306e10\u9032\u6570\u30b3\u30fc\u30c9\u3092\u9078\u3073\u306a\u3055\u3044<\/b><\/h3>\n<p><i>\u8ab2\u984c\u4f5c\u6210\u8005: Jacob Soo\u00a0<\/i><a href=\"https:\/\/twitter.com\/_jsoo_\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \"><i>@_jsoo_<\/i><\/a><\/p>\n<p>RGB.exe\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u3059\u3050\u306b3\u3064\u306e\u30b9\u30e9\u30a4\u30c0\u30fc\u304c\u73fe\u308c\u307e\u3059\u304c\u3001\u304a\u305d\u3089\u304fRBG\u30ab\u30e9\u30fc\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3082\u306e\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u305d\u308c\u3089\u306e\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u8272\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3053\u3068\u304b\u3089\u3001\u89e3\u7b54\u306e\u624b\u304c\u304b\u308a\u3092\u624b\u306b\u5165\u308c\u308b\u306e\u306b\u30013\u3064\u306e\u6b63\u3057\u3044\u5024\u3092\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u4f3a\u3048\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_29.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u6b63\u3057\u304f\u306a\u3044\u5024<\/i><\/span><\/div>\n<p>Exeinfo\u3092\u4f7f\u3063\u3066PE\u30d5\u30a1\u30a4\u30eb\u3092\u3056\u3063\u3068\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u3053\u308c\u304c.NET\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3042\u308a\u3001de4dot\u3092\u4f7f\u3048\u3070\u89e3\u51cd\u3067\u304d\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_30.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u30d0\u30a4\u30ca\u30ea \u30bf\u30a4\u30d7\u3092\u8abf\u3079\u308b<\/i><\/span><\/div>\n<p>\u5b9f\u884c\u5f62\u5f0f\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u3057\u3066de4dot\u3092\u5b9f\u884c\u3059\u308b\u3068\u65b0\u305f\u306b\u201cRGB-cleaned.exe\u201d\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u305d\u3053\u3067\u3001dnSpy\u3092\u4f7f\u3048\u3070\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u9006\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3001\u5143\u3068\u306a\u3063\u3066\u3044\u308b\u30bd\u30fc\u30b9 \u30b3\u30fc\u30c9\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_31.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u30d0\u30a4\u30ca\u30ea\u306e\u96e3\u8aad\u5316\u3092\u89e3\u9664\u3059\u308b<\/i><\/span><\/div>\n<p>\u30bd\u30fc\u30b9 \u30b3\u30fc\u30c9\u3092\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u89e3\u304f\u5fc5\u8981\u306e\u3042\u308b\u8ab2\u984c\u306b\u5230\u9054\u3057\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_32.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/i><\/span><\/div>\n<p>\u8981\u3059\u308b\u306b\u3001\u8868\u793a\u3057\u305f\u3044MessageBox\u3092\u5f97\u308b\u306e\u306b3\u6761\u4ef6\u304c\u5408\u81f4\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u6642\u70b9\u3067\u3001\u79c1\u306f\u30b3\u30fc\u30c9\u3092\u3061\u3087\u3063\u3068\u5909\u66f4\u3057\u3066\u7b54\u3048\u3092\u5e38\u306b\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u3067\u304d\u308b\u304b\u3001\u3064\u3064\u304d\u56de\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u95a2\u6570\u306e\u4e2d\u306b\u5165\u308a\u8fbc\u307f\u306f\u3058\u3081\u308b\u3068\u3001\u884c\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3082\u3046\u5c11\u3057\u3042\u308a\u3001\u5b9f\u969b\u306e\u6570\u5b57\u304c\u5fc5\u8981\u3060\u3068\u3044\u3046\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_33.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u6570\u5b57\u306e\u914d\u5217\u306b\u5bfe\u3059\u308bXOR\u6f14\u7b97\u51e6\u7406\u306e\u6570\u5b57<\/i><\/span><\/div>\n<p>\u305d\u306e\u305f\u3081\u3001\u304b\u308f\u308a\u306b\u79c1\u306f\u6570\u5b66\u7684\u306a\u5074\u9762\u306b\u53d6\u308a\u7d44\u3080\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u5408\u81f4\u3059\u308b\u5fc5\u8981\u306e\u3042\u308b3\u6761\u4ef6\u306f\u30011\u3064\u306e\u65b9\u7a0b\u5f0f\u306e\u7d50\u679c\u304c\u5225\u306e\u65b9\u7a0b\u5f0f\u306e\u7d50\u679c\u3068\u7b49\u3057\u304f\u3001\u304b\u3064\u7279\u5b9a\u306e\u5024\u306e\u3046\u3061\u306e\uff11\u3064\u304c60\u3088\u308a\u3082\u5927\u304d\u304f\u306a\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u6570\u5b57\u306e\u53ef\u80fd\u306a\u7d44\u307f\u5408\u305b\u3059\u3079\u3066\u306b\u308f\u305f\u3063\u3066\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3067\u3001\u7dcf\u5f53\u305f\u308a\u653b\u6483\u3092\u4ed5\u639b\u3051\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001\u5404\u30b9\u30e9\u30a4\u30c0\u30fc\u306f1\uff5e255\u306e\u7bc4\u56f2\u3067\u3042\u308a\u3001\u305d\u306e\u3046\u30611\u3064\u306f60\uff5e255\u306e\u7bc4\u56f2\u306b\u306a\u308b\u3068\u5206\u304b\u3063\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u3053\u306e\u3053\u3068\u304b\u3089255*255*(255-60)\u3001\u3064\u307e\u308a\u304a\u304a\u3088\u305d1,250\u4e07\u306e\u53ef\u80fd\u6027\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306a\u3089\u3070\u5c11\u3057\u3082\u9577\u304f\u304b\u304b\u3089\u306a\u3044\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u30ed\u30b8\u30c3\u30af\u3092\u6570\u5206\u9593\u8003\u3048\u305f\u5f8c\u3001\u79c1\u306f\u5024\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u4e0b\u8a18\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_1_T14.png\" \/><\/div>\n<\/div>\n<p>\u6570\u79d2\u4ee5\u5185\u3067\u7b54\u3048\u3092\u5f97\u307e\u3059\u3002\u3053\u306e\u7b54\u3048\u304cRGB.exe\u5185\u3067\u6709\u52b9\u3068\u306a\u308a\u89e3\u7b54\u306e\u624b\u304c\u304b\u308a\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_34.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>83 168 203<\/i><\/span><\/div>\n<p>PAN{l4byr1n7h_s4yz_x0r1s_4m4z1ng}<\/p>\n<h3><b>Windows \u8ab2\u984c6: shellC0DE\u306e\u4e2d\u306b\u3042\u308b\u30ad\u30fc\u3092\u898b\u3064\u3051\u3066\u738b\u5973\u69d8\u3092\u6551\u3044\u51fa\u305b\uff01<\/b><\/h3>\n<p><i>\u8ab2\u984c\u4f5c\u6210\u8005: Josh Grunzweig\u00a0<\/i><a href=\"https:\/\/twitter.com\/jgrunzweig\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \"><i>@jgrunzweig<\/i><\/a><\/p>\n<p>\u3053\u306eWindows\u5b9f\u884c\u5f62\u5f0f\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u3068\u3001\u4f55\u3089\u304b\u306e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u6271\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3059\u3050\u306b\u5206\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u3053\u3068\u304c\u660e\u3089\u304b\u3067\u306a\u304b\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u4e0e\u3048\u3089\u308c\u305f\u624b\u304c\u304b\u308a\u304c\u3001\u5bfe\u51e6\u4e2d\u306e\u3082\u306e\u306b\u95a2\u9023\u3059\u308b\u30d2\u30f3\u30c8\u3092\u3044\u304f\u3064\u304b\u4e0e\u3048\u3066\u304f\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>Discover the key in the sh&gt;E11C0DE to rescue the Princess! (sh&gt;E11C0DE\u306e\u4e2d\u306b\u3042\u308b\u30ad\u30fc\u3092\u898b\u3064\u3051\u3066\u738b\u5973\u69d8\u3092\u6551\u3044\u51fa\u305b\uff01)<br \/>\n@jgrunzweig<\/p>\n<p>\u3053\u306e\u554f\u984c\u3092\u89e3\u3053\u3046\u3068\u3059\u308b\u4eba\u305f\u3061\u306e\u4fbf\u5b9c\u3092\u306f\u304b\u308b\u305f\u3081\u3001\u5358\u306braw\u5f62\u5f0f\u306e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9 \u30d0\u30a4\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u4e8b\u524d\u306b\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u5b9f\u7528\u7684\u306a\u5b9f\u884c\u5f62\u5f0f\u30d5\u30a1\u30a4\u30eb\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u305f\u3002\u958b\u3044\u3066\u307f\u308b\u3068import\u304c1\u3064\u3082\u306a\u304f\u95a2\u6570\u304c7\u3064\u3057\u304b\u306a\u3044\u3053\u3068\u304c\u76f4\u3061\u306b\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_35.png\" \/><\/div>\n<\/div>\n<div><span style=\"font-size: 10pt;\"><i>\u56f31 \u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u5185\u306e\u95a2\u6570\u304a\u3088\u3073import\u30c6\u30fc\u30d6\u30eb<\/i><\/span><\/div>\n<p>\u3053\u306e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3092\u30c7\u30d0\u30c3\u30b0\u3057\u306a\u304f\u3066\u3082\u3001\u4e0e\u3048\u3089\u308c\u305f7\u3064\u306e\u95a2\u6570\u3092\u3056\u3063\u3068\u773a\u3081\u308c\u3070\u4f55\u304c\u7a81\u51fa\u3057\u3066\u3044\u308b\u304b\u5206\u304b\u308a\u307e\u3059\u3002\u6848\u306e\u5b9a\u3001RC4\u3067\u3042\u308b\u3053\u3068\u304c\u307b\u307c\u78ba\u5b9f\u306a\u95a2\u6570\u30920x40106C\u306b\u304a\u3044\u3066\u7c21\u5358\u306b\u7279\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002256\u56de\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b2\u3064\u306e\u30eb\u30fc\u30d7\u304c\u5927\u304d\u306a\u30d2\u30f3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306b\u3064\u3044\u3066\u691c\u8a0e\u3057\u3066\u307f\u308b\u3068\u3001\u3053\u308c\u304c\u5b9f\u969b\u306bRC4\u3067\u3042\u308b\u3068\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_36.png\" \/><\/p>\n<div style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><i>\u56f32 RC4\u95a2\u6570<\/i><\/span><\/div>\n<p>fs:0x30\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u59cb\u307e\u308b\u975e\u5e38\u306b\u5c0f\u3055\u306a\u95a2\u6570\u3082\u7279\u5b9a\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u306efs:0x30\u306b\u306f\u30ea\u30d0\u30fc\u30b9 \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u3059\u308b\u4eba\u306a\u3089\u3070\u771f\u3063\u5148\u306b\u95a2\u5fc3\u3092\u5bc4\u305b\u308b\u306f\u305a\u3067\u3059\u3002\u3054\u5b58\u3058\u306a\u3044\u65b9\u306e\u305f\u3081\u306b\u88dc\u8db3\u3057\u307e\u3059\u3068\u3001fs:0x30\u306f<a href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/windows\/desktop\/aa813706(v=vs.85).aspx?f=255&amp;MSPPError=-2147217396\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \">Process Environment Block<\/a>\u00a0(PEB)\u3092\u6307\u3057\u793a\u3057\u3066\u304a\u308a\u3001PEB\u306b\u306f\u8c4a\u5bcc\u306a\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u554f\u984c\u306e\u3053\u306e\u95a2\u6570\u306fPEB\u306eLoaderData\u30aa\u30d5\u30bb\u30c3\u30c8(\u30d7\u30ed\u30bb\u30b9\u306b\u30ed\u30fc\u30c9\u6e08\u307f\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b)\u306b\u3068\u308a\u308f\u3051\u6ce8\u76ee\u3057\u307e\u3059\u3002\u6b21\u306b\u79c1\u305f\u3061\u306f3\u756a\u76ee\u306e\u30ed\u30fc\u30c9\u6e08\u307f\u30e2\u30b8\u30e5\u30fc\u30eb(kernel32.dll)\u3092\u5f97\u3066\u3001\u3053\u306eDLL\u306e\u30d9\u30fc\u30b9 \u30a2\u30c9\u30ec\u30b9(\u30aa\u30d5\u30bb\u30c3\u30c80x10)\u3092\u6355\u307e\u3048\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001kernel32.dll\u306e\u30d9\u30fc\u30b9 \u30a2\u30c9\u30ec\u30b9\u3092\u5b9f\u8cea\u4e0a\u3068\u3089\u3048\u3066\u3044\u308b\u72b6\u614b\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067kernel32.dll\u306f\u3001\u4ed6\u306e\u95a2\u6570\u3092\u30ed\u30fc\u30c9\u3059\u308b\u306e\u306b\u4f7f\u308f\u308c\u308b\u306e\u306f\u307b\u307c\u9593\u9055\u3044\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_37.png\" \/><\/div>\n<\/div>\n<div style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><i>\u56f33 kernel32\u306e\u30d9\u30fc\u30b9 \u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b\u95a2\u6570<\/i><\/span><\/div>\n<div><\/div>\n<p>\u30c7\u30fc\u30bf\u3092\u30cf\u30c3\u30b7\u30e5\u5316\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u53d7\u3051\u3089\u308c\u308b\u5225\u306e\u95a2\u6570\u306e\u7279\u5b9a\u4f5c\u696d\u3092\u7d9a\u3051\u307e\u3059\u3002\u3053\u308c\u306fROR13\u547c\u3073\u51fa\u3057\u3067\u660e\u3089\u304b\u3060\u304b\u3089\u3067\u3059\u3002<\/p>\n<div>\n<div align=\"center\"><img  class=\"aligncenter lozad\"  data-src=\"https:\/\/www.paloaltonetworks.jp\/content\/dam\/pan\/ja_JP\/Images\/blog\/CTF_Windows_38.png\" \/><\/div>\n<\/div>\n<div style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><i>\u56f34 \u30cf\u30c3\u30b7\u30e5\u5316\u3092\u884c\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u95a2\u6570<\/i><\/span><\/div>\n<p>\u3053\u3053\u3067\u30c7\u30d0\u30c3\u30ac\u30fc\u5185\u306e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u306e\u4e2d\u3092\u304f\u307e\u306a\u304f\u4e00\u6b69\u305a\u3064\u52d5\u304d\u59cb\u3081\u307e\u3057\u3087\u3046\u3002kernel32\u306e\u30d9\u30fc\u30b9 \u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u305f\u79c1\u305f\u3061\u306e\u95a2\u6570\u306b\u5bfe\u3059\u308b\u8907\u6570\u306e\u547c\u3073\u51fa\u3057\u3092\u3056\u3063\u3068\u8abf\u3079\u307e\u3059\u3002\u79c1\u305f\u3061\u306e\u95a2\u6570\u306e\u5f8c\u306b\u306f\u5f15\u6570\u3068\u3057\u3066\u3053\u306e\u30d9\u30fc\u30b9 \u30a2\u30c9\u30ec\u30b9\u3068DWORD\u3092\u3068\u308b\u5225\u306e\u95a2\u6570\u304c\u7d9a\u304d\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u3092\u8a73\u3057\u304f\u8abf\u3079\u308b\u3068\u3001\u3053\u306e\u95a2\u6570\u304ckernel32\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3055\u308c\u305f\u95a2\u6570\u3059\u3079\u3066\u3092\u6e21\u308a\u6b69\u3044\u3066\u540d\u524d\u3092\u30cf\u30c3\u30b7\u30e5\u5316\u3057\u3001\u4e0e\u3048\u3089\u308c\u305fDWORD\u3068\u6bd4\u8f03\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3067\u4f7f\u308f\u308c\u308b\u5358\u7d14\u306a\u30c8\u30ea\u30c3\u30af\u3067\u3059\u3002\u3053\u308c\u3092\u4f7f\u3046\u3068\u3001\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u304c\u9759\u7684\u306a\u72b6\u6cc1\u3067\u89b3\u5bdf\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u3069\u3093\u306a\u95a2\u6570\u3092\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u306a\u306e\u304b\u3001\u3068\u3044\u3046\u70b9\u3092\u653b\u6483\u8005\u306f\u5206\u304b\u308a\u306b\u304f\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u53d6\u308a\u7d44\u3080\u306e\u306b\u65b9\u6cd5\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u30b3\u30fc\u30c9\u3092\u30c7\u30d0\u30c3\u30b0\u3057\u3001\u906d\u9047\u3059\u308b\u305f\u3073\u306b\u30ea\u30cd\u30fc\u30e0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3042\u308b\u3044\u306f\u3001\u5358\u7d14\u306bGoogle\u3067\u30cf\u30c3\u30b7\u30e5\u3092\u691c\u7d22\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002ROR13\u306e\u624b\u6cd5\u306f\u3042\u308a\u3075\u308c\u305f\u3082\u306e\u306a\u306e\u3067\u3001\u3053\u3046\u3057\u305f\u30cf\u30c3\u30b7\u30e5\u306b\u3064\u3044\u3066\u6587\u66f8\u5316\u3057\u3066\u3042\u308b\u30aa\u30f3\u30e9\u30a4\u30f3 \u30b5\u30a4\u30c8\u304c\u6570\u591a\u304f\u5b58\u5728\u3057\u307e\u3059\u3002<a href=\"https:\/\/hiddencodes.wordpress.com\/2014\/08\/22\/windows-api-hash-list-1\/\" data-page-track=\"true\" data-page-track-value=\"company:160928_unit-42-labyrenth-capture-the-flag-ctf-windows-track-1-6-solutions: section: \">\u4f8b\u3048\u3070\u3053\u306e\u3088\u3046\u306a\u3082\u306e<\/a>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u5c0f\u3055\u306a\u969c\u5bb3\u7269\u3092\u8d8a\u3048\u308b\u3068\u3001\u30b3\u30fc\u30c9\u304c\u4f55\u3092\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u306e\u304b\u898b\u3048\u306f\u3058\u3081\u3001\u30b3\u30fc\u30c9\u304c\u4f55\u3092\u63a2\u3057\u3066\u3044\u308b\u306e\u304b\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b3\u30fc\u30c9\u3092\u8a73\u3057\u304f\u898b\u3066\u307f\u308b\u3068\u300154\u30d0\u30a4\u30c8\u304b\u3089\u6210\u308b\u30d0\u30c3\u30d5\u30a1\u3092\u69cb\u7bc9\u3057\u3001RC4\u3092\u4f7f\u3063\u3066\u751f\u6210\u3055\u308c\u305f\u30ad\u30fc\u306b\u3088\u308a\u3053\u306e\u30d0\u30c3\u30d5\u30a1\u3092\u30c7\u30b3\u30fc\u30c9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u72b6\u6cc1\u3067\u306f\u30ad\u30fc\u304c\u2018PAN{\u2018\u3067\u59cb\u307e\u3063\u3066\u3044\u3066\u3001\u30e1\u30c3\u30bb\u30fc\u30b8 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