{"id":45,"date":"2021-10-01T23:50:14","date_gmt":"2021-10-01T14:50:14","guid":{"rendered":"http:\/\/blog.sakatsuki.com\/?p=45"},"modified":"2021-10-01T23:50:14","modified_gmt":"2021-10-01T14:50:14","slug":"%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-part1","status":"publish","type":"post","link":"https:\/\/sakatsuki.blog\/?p=45","title":{"rendered":"\u89e3\u6790\u9b54\u6cd5\u5c11\u5973 \u7f8e\u54b2\u3061\u3083\u3093\u3092\u653b\u7565\u3059\u308b Part1"},"content":{"rendered":"\n

\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u89e3\u6790\u3068\u3044\u3046\u3082\u306e\u306b\u3068\u3066\u3082\u8208\u5473\u304c\u3042\u3063\u305f\u3082\u306e\u3067\u3001Kindle\u3067\u300c\u89e3\u6790\u9b54\u6cd5\u5c11\u5973 \u7f8e\u54b2\u3061\u3083\u3093\u3000\u30de\u30b8\u30ab\u30eb\u30aa\u30fc\u30d7\u30f3\u300d\u3068\u3044\u3046\u5df7\u3067\u306f\u6709\u540d\u306a\u672c\u3092\u7d50\u69cb\u524d\u306b\u8cb7\u3063\u3066\u306f\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u5168\u304f\u8aad\u307e\u305a\u306b\u653e\u7f6e\u3057\u3066\u3044\u305f\u306e\u3067\u30d6\u30ed\u30b0\u3092\u59cb\u3081\u305f\u3068\u3044\u3046\u52e2\u3044\u3068\u5171\u306b\u3001\u9032\u3081\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u3061\u306a\u307f\u306b\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3001\u30e1\u30e2\u30ea\u3001\u30a2\u30bb\u30f3\u30d6\u30e9\u306e\u77e5\u8b58\u3068\u3082\u306b\u8d64\u3061\u3083\u3093\u30ec\u30d9\u30eb\u3067\u3059\u3002\u5168\u304f\u77e5\u3089\u306a\u3044\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\u304c\u3001\u793e\u4f1a\u3067\u306f\u901a\u7528\u3057\u306a\u3044()\u30ec\u30d9\u30eb\u3060\u3068\u304a\u8003\u3048\u304f\u3060\u3055\u3044\u3002\u306e\u3067\u3001\u308f\u3051\u306e\u308f\u304b\u3089\u306a\u3044\u3053\u3068\u3092\u66f8\u3044\u305f\u308a\u3057\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3044\u304d\u306a\u308aollydbg\u3068\u3044\u3046\u30c7\u30d0\u30c3\u30ab\u3092\u4f7f\u3063\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4e2d\u8eab\u3092\u898b\u3066\u3044\u304f\u308f\u3051\u3067\u3059\u304c\u3001\u30ec\u30b8\u30b9\u30bf\u306b\u3064\u3044\u3066\u77e5\u8b58\u304c\u8981\u6c42\u3055\u308c\u307e\u3059\u3002\u672c\u304c\u3068\u3066\u3082\u308f\u304b\u308a\u6613\u304f\u66f8\u3044\u3066\u3042\u308b\u304a\u304b\u3052\u3067\u3001\u307b\u307c\u30bc\u30ed\u77e5\u8b58\u3067\u8aad\u307f\u59cb\u3081\u3066\u3082\u30b9\u30e9\u30b9\u30e9\u3068\u8aad\u307f\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u4ee5\u964d\u3001\u77e5\u3063\u305f\u3088\u3046\u306b\u66f8\u3044\u3066\u307e\u3059\u304c\u3001\u521d\u5b66\u8005\u3067\u3059\u3002<\/p>\n\n\n\n\n\n\n\n

\u30ec\u30b8\u30b9\u30bf<\/h3>\n\n\n\n
\"\"
\u30ec\u30b8\u30b9\u30bf\u306e\u4e2d\u8eab<\/figcaption><\/figure><\/div>\n\n\n\n

\u30ec\u30b8\u30b9\u30bf\u306fC\u8a00\u8a9e\u3067\u8a00\u3046\u5909\u6570\u307f\u305f\u3044\u306a\u3082\u306e\u3067\u3042\u308b\u3068\u3044\u3046\u8aac\u660e\u304c\u3042\u308a\u3001\u4e0a\u8a18\u306e\u753b\u50cf\u306e\u901a\u308a10\u500b\u3042\u308a\u307e\u3059\u3002\u6c4e\u7528\u30ec\u30b8\u30b9\u30bf\u3001\u30d9\u30fc\u30b9\u30dd\u30a4\u30f3\u30bf\u3001\u30a4\u30f3\u30b9\u30c8\u30e9\u30af\u30b7\u30e7\u30f3\u30dd\u30a4\u30f3\u30bf\u3068\u683c\u7d0d\u3059\u308b\u3082\u306e\u304c\u6c7a\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u30a4\u30f3\u30b9\u30c8\u30e9\u30af\u30b7\u30e7\u30f3\u30dd\u30a4\u30f3\u30bf(EIP)\u306f\u5b9f\u884c\u3057\u3066\u3044\u308b\u5834\u6240\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3060\u3051\u3067\u3001\u5b9f\u969b\u306bollydgb\u3067\u307f\u3066\u307f\u308b\u3068\u3001\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u3092\u6307\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"
EIP\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u5b9f\u884c\u4e2d\u306e\u30a2\u30c9\u30ec\u30b9\u3068\u540c\u4e00<\/figcaption><\/figure><\/div>\n\n\n\n

\u30b9\u30bf\u30c3\u30af\u30dd\u30a4\u30f3\u30bf\uff08ESP\uff09\u306f\u3001\u95a2\u6570\u5185\u306b\u5165\u3063\u305f\u5f8c\u306b\u5143\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d41\u308c\u306b\u623b\u308b\u305f\u3081\u306e\u5834\u6240\u3092\u683c\u7d0d\u3057\u3066\u304a\u304f\u3082\u306e\u3067\u3001\u8a00\u8449\u3060\u3051\u3060\u3068\u5206\u304b\u308a\u3065\u3089\u3044\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u7c21\u5358\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u305f\u3053\u3068\u3042\u308b\u3068\u60f3\u50cf\u3057\u3084\u3059\u3044\u3068\u601d\u3044\u307e\u3057\u305f\u3002main\u95a2\u6570\u5185\u304b\u3089hoge\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3066\u3001hoge\u95a2\u6570\u304c\u7d42\u308f\u308b\u3068main\u95a2\u6570\u306b\u623b\u3063\u3066\u304f\u308b\u308f\u3051\u3067\u3059\u304c\u3001\u3053\u306e\u623b\u3063\u3066\u304f\u308b\u969b\u306bESP\u3092\u898b\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n

\u305d\u3057\u3066\u3001\u30b9\u30bf\u30c3\u30af\u306f\u30e1\u30e2\u30ea\u306e\u9818\u57df\u3092\u30de\u30a4\u30ca\u30b9\u65b9\u5411\u306b\u7a4d\u3093\u3067\u3044\u304f\uff08\u30de\u30a4\u30ca\u30b9\u65b9\u5411\u3068\u3044\u3046\u8868\u73fe\u306f\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u601d\u3046\u3051\u3069\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u30de\u30a4\u30ca\u30b9\u65b9\u5411\u306e\u307b\u3046\u304c\u308f\u304b\u308a\u3059\u3044…\u6b63\u3057\u304f\u306f\u300c\u4e0a\u4f4d\u65b9\u5411\u306b\u4f38\u3073\u308b\u300d\uff09\u306e\u3067\u3001\u5b9f\u969b\u306b\u95a2\u6570\u304b\u3089\u8fd4\u3063\u3066\u304f\u308b(return\u3057\u305f)\u3068\u304d\u306f\u3001ESP\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3066\u98db\u3073\u3001\u98db\u3093\u3060\u5f8c\u306b\u7a4d\u3093\u3060\u30a2\u30c9\u30ec\u30b9\u3092\u6368\u3066\u308b\u305f\u3081\u306bEIP\u306b+4\u30d0\u30a4\u30c8\u8db3\u3059\u305d\u3046\u3060\u3002\u306a\u308b\u307b\u3069\u7d0d\u5f97\u3002<\/p>\n\n\n\n

\u30d5\u30e9\u30b0\u30ec\u30b8\u30b9\u30bf\u306f\u5fc5\u8981\u306a\u3068\u304d\u306b\u78ba\u8a8d\u3059\u308c\u3070\u3044\u3044\u3068\u601d\u3063\u305f\u306e\u3067\u7279\u306b\u8a73\u3057\u304f\u898b\u3066\u3044\u306a\u3044\u3067\u3059\u30028\u3064\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u899a\u3048\u3089\u308c\u307e\u305b\u3093\u3002Zero Flag\u304f\u3089\u3044\u306f\u899a\u3048\u307e\u3057\u305f\u304c…<\/p>\n\n\n\n

\u547d\u4ee4<\/h3>\n\n\n\n

\u3044\u3088\u3044\u3088\u30b3\u30fc\u30c9\u3092\u8aad\u3093\u3067\u3044\u304d\u307e\u3059\u3002
\u30de\u30b7\u30f3\u30b3\u30fc\u30c9\u306f\u30ea\u30c8\u30eb\u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u3067\u8868\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u9006\u30a2\u30bb\u30f3\u30d6\u30eb\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3068\u4e56\u96e2\u3057\u3066\u6df7\u4e71\u3057\u307e\u3059\u3002\u9006\u30a2\u30bb\u30f3\u30d6\u30eb\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306f\u4eba\u9593\u304c\u697d\u306b\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u6587\u7ae0\u306b\u306a\u3063\u3066\u3044\u308b\u3060\u3051\u3067\u3001\u305d\u306e\u5143\u306e\u30b3\u30fc\u30c9\u306e\u5b9f\u969b\u306e\u610f\u5473\u304c\u308f\u304b\u308b\u3068\u3001\u3061\u3087\u3063\u3068\u9762\u767d\u3044\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

\u898b\u305f\u76ee\u3067\u306f\u3001\u300c00401818\u3092CALL\u3057\u307e\u3059\u300d\u3060\u3051\u3069\u3082\u3001\u5b9f\u969b\u306f\u300c\u73fe\u5728\u306e\u5b9f\u884c\u30a2\u30c9\u30ec\u30b9(EIP)\u306b0x0000037F\u3092\u8db3\u3057\u305f\u30a2\u30c9\u30ec\u30b9\u3092CALL\u3057\u307e\u3059\u300d\u3067\u3059\u3002\u306a\u308b\u307b\u3069\u30fc\uff01<\/p>\n\n\n\n

\u7d9a\u3051\u3066\u30b8\u30e3\u30f3\u30d7\u547d\u4ee4\u3002CMP\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u30b8\u30e3\u30f3\u30d7\u547d\u4ee4\u3092\u51fa\u3057\u307e\u3059\u3002JZ\u306f\u6f14\u7b97\u7d50\u679c\u304c\u30bc\u30ed\u306e\u6642\u306b\u30b8\u30e3\u30f3\u30d7\u3059\u308b\u547d\u4ee4\u3067\u3059\u3002\u5185\u90e8\u7684\u306b\u306fa-b==0\u3067\u306e\u5224\u5b9a\u3092\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u7d50\u5c40\u306e\u6240\u3001\u540c\u5024\u3067\u3042\u308c\u3070\u30b8\u30e3\u30f3\u30d7\u3059\u308b\u3001\u3064\u307e\u308a a==b\u304c\u6761\u4ef6\u306a\u306e\u3067\u3059\u3002\u3082\u3046\u3053\u3093\u304c\u3089\u304c\u308b\u3002JZ=Jump Zero\u3068\u899a\u3048\u3066\u3044\u3066\u3082\u3001\u300c\u540c\u5024\u306a\u3089\u30b8\u30e3\u30f3\u30d7\u300d\u3068\u3044\u3046\u9023\u60f3\u306f…\u3055\u308c\u306a\u3044\u3067\u3059\u306d\u3002\u9006\u306b\u30bc\u30ed\u306a\u3089\u30b8\u30e3\u30f3\u30d7\u3063\u3066\u4f55\u3060…\u3063\u3066\u306a\u308a\u305d\u3046\u3067\u3059\u3002a==b\u3060\u3068ZF\u306e\u30d5\u30e9\u30b0\u304c1\u3068\u306a\u308a\u3001\u6674\u308c\u3066\u30b8\u30e3\u30f3\u30d7\u304c\u6210\u7acb\u3067\u3059\u3002<\/p>\n\n\n\n

\u30b8\u30e3\u30f3\u30d7\u547d\u4ee4\u306f\u3001\u547d\u4ee4\u306f\u9055\u3046\u306e\u306b\u52d5\u4f5c\u304c\u540c\u3058\u3082\u306e\u304c\u3044\u304f\u3064\u304b\u5b58\u5728\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u899a\u3048\u3066\u304a\u304b\u306a\u3044\u3068\u3001\u9006\u30a2\u30bb\u30f3\u30d6\u30eb\u3092\u8aad\u3080\u306e\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3044\u305d\u3046\u3067\u3059\u3002\u8ae6\u3081\u3066\u899a\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n

\u6b21\u306bTEST\u547d\u4ee4\u3002TEST EAX,EAX \u3063\u3066\u610f\u5473\u4e0d\u660e\u904e\u304e\u307e\u3059\u306d…<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

TEST\u547d\u4ee4\u3067\u306fAND\u6f14\u7b97\u3092\u3059\u308b\u3088\u3046\u3067\u3059\u304c\u3001\u540c\u3058\u5024\u3092AND\u3057\u305f\u3089\u305d\u306e\u5024\u304c\u51fa\u3066\u304f\u308b\u306e\u306f\u5f53\u305f\u308a\u524d\u3067\u3059\u3002\u3053\u3053\u3067\u3084\u308a\u305f\u3044\u3053\u3068\u306f\u3001EAX\u304c\u30bc\u30ed\u306a\u306e\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u305f\u3044\u3060\u3051\u3002CMP EAX,0\u3068\u4e00\u7dd2\u3002TEST\u547d\u4ee4\u306e\u7d50\u679c\u306fZero Flag\u306b\u53cd\u6620\u3055\u308c\u307e\u3059\u3002\u305d\u3057\u3066\u30b8\u30e3\u30f3\u30d7\u547d\u4ee4JNZ(Jump Not Zero)\u306fZF\u304c\u30bc\u30ed\u3067\u306f\u306a\u304b\u3063\u305f\u3089\u30b8\u30e3\u30f3\u30d7\u3068\u3044\u3046\u610f\u5473\u306a\u306e\u3067\u3001EAX\u304c\u30bc\u30ed\u51fa\u306a\u3044\u5834\u5408\u306b\u30b8\u30e3\u30f3\u30d7\u3059\u308b\u3068\u8aad\u3081\u307e\u3059\u3002<\/p>\n\n\n\n

\u4e00\u65e6\u3053\u3053\u3067\u4e00\u533a\u5207\u308a\u3002<\/p>\n \t","protected":false},"excerpt":{"rendered":"

\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u89e3\u6790\u3068\u3044\u3046\u3082\u306e\u306b\u3068…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-45","post","type-post","status-publish","format-standard","hentry","category-2"],"_links":{"self":[{"href":"https:\/\/sakatsuki.blog\/index.php?rest_route=\/wp\/v2\/posts\/45","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sakatsuki.blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sakatsuki.blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sakatsuki.blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sakatsuki.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=45"}],"version-history":[{"count":0,"href":"https:\/\/sakatsuki.blog\/index.php?rest_route=\/wp\/v2\/posts\/45\/revisions"}],"wp:attachment":[{"href":"https:\/\/sakatsuki.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=45"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sakatsuki.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=45"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sakatsuki.blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=45"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}