{"id":57,"date":"2021-10-03T21:48:35","date_gmt":"2021-10-03T12:48:35","guid":{"rendered":"http:\/\/blog.sakatsuki.com\/?p=57"},"modified":"2021-10-03T21:48:35","modified_gmt":"2021-10-03T12:48:35","slug":"%e8%a7%a3%e6%9e%90%e9%ad%94%e6%b3%95%e5%b0%91%e5%a5%b3-%e7%be%8e%e5%92%b2%e3%81%a1%e3%82%83%e3%82%93%e3%82%92%e6%94%bb%e7%95%a5%e3%81%99%e3%82%8b-part2","status":"publish","type":"post","link":"https:\/\/sakatsuki.blog\/?p=57","title":{"rendered":"\u89e3\u6790\u9b54\u6cd5\u5c11\u5973 \u7f8e\u54b2\u3061\u3083\u3093\u3092\u653b\u7565\u3059\u308b Part2"},"content":{"rendered":"\n<p 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class=\"wp-block-paragraph\">\u3059\u3063\u304b\u308aCALL\u3055\u308c\u305f\u3068\u304d\u306b\u3001\u623b\u308a\u5148\u30a2\u30c9\u30ec\u30b9\u3092\u30b9\u30bf\u30c3\u30af\u306b\u7a4d\u3080(PUSH\u3059\u308b)\u30a4\u30e1\u30fc\u30b8\u304c\u3064\u3044\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u6642\u306b\u6e21\u3059\u5f15\u6570\u3082\uff08\u4e8b\u524d\u306b\uff09\u30b9\u30bf\u30c3\u30af\u306b\u7a4d\u3080\u3089\u3057\u3044\u3067\u3059\u3002\u9006\u30a2\u30bb\u30f3\u30d6\u30eb\u753b\u9762\u3067\u3061\u3089\u307b\u3089\u898b\u3089\u308c\u308bCALL\u547d\u4ee4\u306e\u524d\u306ePUSH\u547d\u4ee4\u306f\u5f15\u6570\u3092\u683c\u7d0d\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u30b9\u30bf\u30c3\u30af\u306f\u4e0a\u4f4d\u65b9\u5411\u306b\u9032\u3080\u3068\u3044\u3046\u8a71\u3092\u524d\u56de\u3057\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u5f71\u97ff\u3067\u5f15\u6570\u304c\u6e21\u3055\u308c\u308b\u9806\u756a\u306f\u4e00\u756a\u6700\u5f8c\u306e\u3082\u306e\u304b\u3089\u7a4d\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div 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class=\"wp-block-paragraph\">\u30b9\u30bf\u30c3\u30af\u30dd\u30a4\u30f3\u30bf(ESP)+4\u30d0\u30a4\u30c8\u3059\u308b\u3053\u3068\u3067\uff11\u3064\u76ee\u306e\u5f15\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u308c\u306f\u30b9\u30bf\u30c3\u30af\u30dd\u30a4\u30f3\u30bf\u304c\u5b9f\u884c\u4e2d\u306e\u95a2\u6570\u3092\u6307\u3057\u3066\u3044\u308b\u3068\u304d\u306e\u307f\u3057\u304b\u4f7f\u3048\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001main\u95a2\u6570\u304b\u3089hoge\u95a2\u6570\u3092\u547c\u3093\u3060\u3068\u3057\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3068main\u95a2\u6570\u3078\u306e\u623b\u308a\u5148\u304cESP\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u6642\u70b9\u3067\u306f\u3001\u4e0a\u8a18\u753b\u50cf\u3067\u3044\u3046\u3068\u3001\u30a2\u30c9\u30ec\u30b90004003(ESP)+4\u3059\u308c\u3070\u5f15\u65701\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3001 0004003(ESP) 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\u3055\u3066\u3001\u3053\u306e\u6642\u70b9\u3067\u5f15\u65701\u30842\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3044\u5834\u5408\u306f\u3069\u3046\u3057\u305f\u3089\u3088\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u5148\u7a0b\u307e\u3067\u3001ESP+4\u3001+8\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3066\u3044\u307e\u3057\u305f\u304c\u3001ESP\u306f\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u540c\u3058\u7d50\u679c\u3068\u306f\u306a\u308a\u307e\u305b\u3093\u3002<br>\u3053\u3046\u3044\u3063\u305f\u3053\u3068\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3092\u9632\u3050\u305f\u3081\u306b\u3001hoge\u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u305f\u969b\u306bESP\u306b\u683c\u7d0d\u3055\u308c\u305f\u30a2\u30c9\u30ec\u30b9\u3092\u5225\u306e\u30ec\u30b8\u30b9\u30bf\u306b\u30b3\u30d4\u30fc\u3057\u3066\u304a\u304d\u3001\u4fdd\u6301\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u305d\u3046\u3059\u308c\u3070\u3001\u3044\u3064\u3067\u3082[\u30b3\u30d4\u30fc\u3057\u305f\u30ec\u30b8\u30b9\u30bf]+4\u306e\u30a2\u30c9\u30ec\u30b9\u3078\u30a2\u30af\u30bb\u30b9\u3067\u5024\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3061\u306a\u307f\u306bEBP\u30ec\u30b8\u30b9\u30bf\u306b\u30b3\u30d4\u30fc\u3057\u3066\u9593\u63a5\u7684\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3068\u306e\u3053\u3068\u3067\u3057\u305f\u3002 mov eax,[ebp+8]\u3068\u304b\u306f\u5f15\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u308b\uff01\uff1f\u3068\u3044\u3046\u611f\u3058\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u3001\u5b9f\u969b\u306b\u8af8\u3005\u51e6\u7406\u304c\u7d42\u308f\u3063\u3066return\u3059\u308b\u3068\u304d\u306b\u3001ESP\u304c\u8aad\u307e\u308c\u3066\u623b\u308a\u5148\u307e\u3067\u623b\u308b\u308f\u3051\u3067\u3059\u304c\u3001\u3053\u306e\u307e\u307e\u3067\u306f\u30b9\u30bf\u30c3\u30af\u306b\u5f15\u6570\u304c\u6b8b\u3063\u305f\u307e\u307e\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u306e\u3067\u3001ESP\u306e\u6307\u3059\u5148\u3092\u4e00\u756a\u5e95\u306b\u3059\u308b\u305f\u3081\u306b\u3001add esp,8 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decoding=\"async\" width=\"562\" height=\"359\" src=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-5.png\" alt=\"\" class=\"wp-image-62\" srcset=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-5.png 562w, https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-5-300x192.png 300w\" sizes=\"auto, (max-width: 562px) 100vw, 562px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"846\" height=\"304\" src=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-6.png\" alt=\"\" class=\"wp-image-63\" srcset=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-6.png 846w, https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-6-300x108.png 300w, https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-6-768x276.png 768w\" sizes=\"auto, (max-width: 846px) 100vw, 846px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u304b\u3089\u6587\u5b57\u5217\u306b\u5bfe\u3057\u3066\u4e00\u767a\u3067BP\u3092\u304b\u3051\u3089\u308b\u306e\u3067\u3001\u4e0a\u8a18\u753b\u50cf\u306e\u3088\u3046\u306a\u5bfe\u7b56\u306f\u3059\u3050\u306b\u7a81\u7834\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u5225\u306e\u30c7\u30d0\u30c3\u30ac\uff08x64dbg\uff09\u3067\u540c\u3058\u3053\u3068\u3092\u3084\u3063\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001\u65e5\u672c\u8a9e\u3092\u8aad\u3081\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3068\u3044\u3046\u304b\u3001\u691c\u7d22\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"855\" height=\"358\" src=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-7.png\" alt=\"\" class=\"wp-image-64\" srcset=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-7.png 855w, https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-7-300x126.png 300w, https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-7-768x322.png 768w\" sizes=\"auto, (max-width: 855px) 100vw, 855px\" \/><figcaption>x64dbg\u3067\u540c\u3058\u53c2\u7167\u6587\u5b57\u5217\u3092\u691c\u7d22\u3057\u305f\u7d50\u679c<\/figcaption><\/figure>\n\n\n\n<p 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class=\"wp-block-paragraph\">\u89e3\u6790\u3057\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30e1\u30e2\u30ea\u306e\u3069\u3053\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"757\" height=\"302\" src=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-8.png\" alt=\"\" class=\"wp-image-65\" srcset=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-8.png 757w, https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-8-300x120.png 300w\" sizes=\"auto, (max-width: 757px) 100vw, 757px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">crackme02.exe\u306f00400000 ~ 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class=\"wp-block-paragraph\">\u3053\u3053\u304b\u3089\u3001\u30e1\u30e2\u30ea\u30fc\u30a2\u30af\u30bb\u30b9\uff08\u30c0\u30f3\u30d7\u3092\u898b\u308b\uff09\u3059\u308b\u3053\u3068\u3067\u3001\u4e2d\u8eab\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002.rdata\u3092\u898b\u308b\u3068\u3001\u6587\u5b57\u5217\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002\u3053\u3053\u304b\u3089\u76f4\u63a5BP\u3092\u304b\u3051\u3066\u8abf\u67fb\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"804\" height=\"410\" src=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-10.png\" alt=\"\" class=\"wp-image-67\" srcset=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-10.png 804w, https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-10-300x153.png 300w, https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-10-768x392.png 768w\" sizes=\"auto, (max-width: 804px) 100vw, 804px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u3053\u3053\u3067\u306eBP\u3067\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u3067\u6b62\u307e\u308b\u3068\u306f\u9650\u3089\u305a\u3001API\u5185\u3067\u3068\u307e\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306bWin32API \u30e1\u30c3\u30bb\u30fc\u30b8\u30dc\u30c3\u30af\u30b9\u306f\u3001\u5f15\u6570\u3068\u3057\u3066\u6587\u5b57\u5217\u3092API\u306b\u6e21\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u3063\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u81ea\u4f53\u304c\u6587\u5b57\u5217\u3092\u8aad\u307f\u66f8\u304d\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u304b\u3089\u3067\u3059\u3002\u6587\u5b57\u5217\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306e\u306fAPI\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CMP DWORD PTR DS:[000000],1 \u3063\u3066\u306a\u3093\u305e<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"553\" height=\"99\" src=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-9.png\" alt=\"\" class=\"wp-image-66\" srcset=\"https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-9.png 553w, https:\/\/sakatsuki.blog\/wp-content\/uploads\/2021\/10\/image-9-300x54.png 300w\" sizes=\"auto, (max-width: 553px) 100vw, 553px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u3046\u898b\u3066\u3082\u521d\u898b\u3067\u89e3\u8aad\u4e0d\u53ef\u80fd\u3067\u3059\u3002\u307e\u305a\u3001[]\u306b\u56f2\u307e\u308c\u305f\u3082\u306e\u306f\u3001\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u306e\u5024\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u30a2\u30c9\u30ec\u30b9\u81ea\u4f53\u3067\u306f\u306a\u304f\u3066\u3001\u305d\u306e\u4e2d\u8eab\u3092\u6307\u3057\u307e\u3059\u3002DWORD PTR\u306f4\u30d0\u30a4\u30c8\u3068\u3057\u3066\u6271\u3046\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002 \u4f8b\u3048\u307078 56 34 12 (\u30ea\u30c8\u30eb\u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f)\u306e4\u30d0\u30a4\u30c8\u5206\u306f78 56 ,\u3064\u307e\u308a5678\u3092\u4e00\u3064\u306e\u6570\u5b57\u3068\u3057\u3066\u6271\u3046\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DS\u3063\u3066\u4f55\uff1f\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u6307\u5b9a\u3089\u3057\u3044\u3051\u3069\u672c\u3067\u306f\u3053\u306e\u6642\u70b9\u3067\u8a73\u3057\u3044\u8aac\u660e\u3057\u3066\u304f\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<br>\u306e\u3067\u3001\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u3061\u3087\u3046\u3069\u4e00\u3064\u524d\u306e\u30e1\u30e2\u30ea\u30de\u30c3\u30d7\u306e\u300c.data\u300d\u3092\u6307\u3059\u3088\u3046\u3067\u3059\u3002\u30bb\u30b0\u30e1\u30f3\u30c8\u3068\u3044\u3046\u8a00\u8449\u306a\u306e\u3067\u3001\u305d\u306e\u30c7\u30fc\u30bf\u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u30c7\u30fc\u30bf\u3067\u3042\u308b\u3053\u3068\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u30e1\u30e2\u30ea\u7bc4\u56f2\u306f\u6c7a\u307e\u3063\u3066\u3044\u308b\u306e\u306b\u3001\u308f\u3056\u308f\u3056DS\u3092\u660e\u793a\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u3082\u306e\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u78ba\u304b\u306b\u3001\u4e0a\u8a18\u753b\u50cf\u306e\u4f8b\u306eCMP DWORD PTR DS:[409498],1\u306e\u3010DS:[409498]\u3011\u306e\u90e8\u5206\u306f\u3001.data\u306e\u7bc4\u56f2\u5185\u306b\u53ce\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u3046\u3044\u3046\u30eb\u30fc\u30eb\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3042\u308c\u3070\u7d0d\u5f97\u3067\u3059\u304c&#8230;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3072\u3068\u3053\u3068<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30f3\u30d7\u30eb\u306ecrackme01\u306f\u591a\u91cd\u8d77\u52d5\u3067\u304d\u306a\u3044\u305d\u3046\u3067\u3059\u304c\u3001\u4f55\u3082\u3057\u306a\u304f\u3066\u3082\u591a\u91cd\u8d77\u52d5\u3067\u304d\u3066\u3057\u307e\u3044\u3001\u672c\u901a\u308a\u306b\u9032\u307f\u307e\u305b\u3093\u3067\u3044\u305f\u3002\u306a\u3093\u3068\u3044\u3063\u3066\u3082\u5185\u5bb9\u304cWindowsXP\u74b0\u5883\u3067\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u304b\u3089\u4ed5\u65b9\u3042\u308a\u307e\u305b\u3093\u3002Windows2000\u306e\u8a71\u306a\u3069\u304c\u51fa\u3066\u304d\u307e\u3059\u304c\u3001\u81ea\u5206\u306b\u306f\u3055\u3063\u3071\u308a\u3067\u3059\u3002*XP\u306f\u666e\u901a\u306b\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u304c&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u3060\u7d9a\u304d\u307e\u3059\u3002<\/p>\n    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