{"id":26,"date":"2026-04-14T15:13:05","date_gmt":"2026-04-14T07:13:05","guid":{"rendered":"https:\/\/www.seekinthevortex.cn\/?p=26"},"modified":"2026-04-14T15:13:05","modified_gmt":"2026-04-14T07:13:05","slug":"%e6%94%bb%e9%98%b2%e4%b8%96%e7%95%8c-bugcat","status":"publish","type":"post","link":"https:\/\/www.seekinthevortex.cn\/index.php\/2026\/04\/14\/%e6%94%bb%e9%98%b2%e4%b8%96%e7%95%8c-bugcat\/","title":{"rendered":"\u653b\u9632\u4e16\u754c BugCat"},"content":{"rendered":"<h1>\u7a0b\u5e8f\u5206\u6790<\/h1>\n<p>\u9996\u5148\u67e5\u4e00\u4e0b\u58f3<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cloud-map-bed-1351541725.cos.ap-nanjing.myqcloud.com\/pic\/20251015145429.png\" alt=\"image.png\"><\/p>\n<p>\u663e\u793a\u6709\u7c7b\u4f3cupx\u7684\u58f3,\u6240\u4ee5\u6211\u4eec\u7b2c\u4e00\u6b65\u5148\u7528xdbg\u6253\u5f00\u5206\u6790\u4e00\u4e0b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cloud-map-bed-1351541725.cos.ap-nanjing.myqcloud.com\/pic\/20251015145707.png\" alt=\"image.png\"><\/p>\n<p>\u53ef\u4ee5\u5728\u5f00\u5934\u770b\u5230\u5f88\u660e\u663e\u7684pushad\u6807\u5fd7,\u6240\u4ee5\u6211\u4eec\u63a5\u4e0b\u6765\u5c1d\u8bd5\u901a\u8fc7esp\u8131\u58f3\u6cd5\u8131\u58f3<br \/>\n\u6211\u4eec\u5148\u5355\u6b65\u8fd0\u884c\u4e00\u6b65,\u7136\u540e\u8bb0\u5f55\u5f53\u524d\u7684esp\u7684\u503c<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cloud-map-bed-1351541725.cos.ap-nanjing.myqcloud.com\/pic\/20251015145910.png\" alt=\"image.png\"><\/p>\n<p>\u63a5\u7740\u5728\u6307\u4ee4\u4e2d\u8f93\u5165<code>bph esp, r, 4<\/code>\u6253\u4e0b\u786c\u4ef6\u65ad\u70b9,\u7136\u540e\u8fd0\u884c\u7a0b\u5e8f<br \/>\n\u4f46\u662f\u6211\u4eec\u5f88\u5feb\u53d1\u73b0\u89e6\u53d1\u4e86\u5f02\u5e38,\u6211\u4eec\u63a5\u7740\u8fd0\u884c,\u53d1\u73b0\u7a0b\u5e8f\u4e00\u76f4\u65ad\u5728\u8fd9\u4e2a\u5f02\u5e38\u7684\u5730\u65b9.<br \/>\n\u53c8\u56e0\u4e3a\u6211\u4eec\u6b63\u5e38\u8fd0\u884c\u7a0b\u5e8f\u662f\u6ca1\u6709\u95ee\u9898\u7684,\u6240\u4ee5\u6000\u7591\u662f\u5b58\u5728\u53cd\u8c03\u8bd5\u89e6\u53d1\u4e86\u5f02\u5e38.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cloud-map-bed-1351541725.cos.ap-nanjing.myqcloud.com\/pic\/20251015150633.png\" alt=\"image.png\"><\/p>\n<p>\u6211\u4eec\u56de\u5230\u5f00\u59cb\u7684\u5730\u65b9,\u5f00\u59cb\u4e00\u6b65\u6b65\u5f80\u4e0b\u8ddf\u8e2a,\u8df3\u8fc7\u6240\u6709\u5411\u4e0a\u8df3\u8f6c\u7684\u5730\u65b9,\u4e00\u76f4\u6765\u5230\u8fd9\u4e2a\u4f4d\u7f6e.<br \/>\n\u6839\u636e\u65c1\u8fb9\u7684\u6ce8\u91ca\u4fe1\u606f,\u5f88\u5bb9\u6613\u53d1\u73b0\u8fd9\u91cc\u662f\u83b7\u53d6\u4e86Kernel32.dll\u7684\u6a21\u5757\u57fa\u5740,\u5f00\u59cb\u904d\u5386\u5bfc\u5165\u540d\u79f0\u8868\u52a8\u6001\u83b7\u5f97API\u7684\u4f4d\u7f6e.<br \/>\n\u4f46\u662f\u6211\u4eec\u63a5\u7740\u8fd0\u884c\u7684\u65f6\u5019,\u5c31\u53d1\u73b0\u5f02\u5e38\u518d\u6b21\u89e6\u53d1\u4e86.<\/p>\n<p>\u53ef\u662f\u81f3\u4eca\u4e3a\u6b62,\u6211\u4eec\u90fd\u6ca1\u6709\u53d1\u73b0\u4efb\u4f55\u53cd\u8c03\u8bd5api,\u90a3\u4e48\u95ee\u9898\u4e00\u5b9a\u5c31\u51fa\u73b0\u5728main\u51fd\u6570\u4e4b\u524d\u4e86,\u731c\u6d4b\u662fTLS\u56de\u8c03\u51fd\u6570\u4e2d\u4f7f\u7528\u4e86\u53cd\u8c03\u8bd5\u7684\u624b\u6bb5.<\/p>\n<p>\u6211\u4eec\u6253\u5f00ida\u5b9a\u4f4d,\u679c\u4e0d\u5176\u7136\u53d1\u73b0\u4e86TLS\u56de\u8c03\u51fd\u6570.<br \/>\n\u540c\u65f6\u8fd8\u53d1\u73b0\u4e86\u5f88\u591a\u82b1\u6307\u4ee4\u6df7\u6dc6,\u6211\u4eec\u5148\u52a8\u8c03\u5206\u6790.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cloud-map-bed-1351541725.cos.ap-nanjing.myqcloud.com\/pic\/20251015151229.png\" alt=\"image.png\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cloud-map-bed-1351541725.cos.ap-nanjing.myqcloud.com\/pic\/20251015151320.png\" alt=\"image.png\"><\/p>\n<p>\u5206\u6790\u4e00\u4e0b\u52a8\u8c03\u540e\u5f97\u5230\u7684\u6c47\u7f16.<\/p>\n<pre><code class=\"language-c\">CAT1:0040A1FD                 cmp     byte ptr [eax], 0CCh\nCAT1:0040A200                 jmp     short loc_40A204 ; \u5982\u679c\u6ca1\u6709\u68c0\u6d4b\u5230\u65ad\u70b9,\u8df3\u8f6c\nCAT1:0040A202 ; ---------------------------------------------------------------------------\nCAT1:0040A202 ; ; patched 0x2\nCAT1:0040A202                 nop\nCAT1:0040A203                 nop\nCAT1:0040A204\nCAT1:0040A204 loc_40A204:                             ; CODE XREF: CAT1:0040A200\u2191j\nCAT1:0040A204                 jnz     short locret_40A22E ; Keypatch modified this from:\nCAT1:0040A204                                         ;   jnz short locret_40A22E\nCAT1:0040A206 ; ---------------------------------------------------------------------------\nCAT1:0040A206                 call    $+5\nCAT1:0040A20B                 clc\nCAT1:0040A20C                 jnb     short loc_40A211\n<\/code><\/pre>\n<p>\u7ed3\u5408\u4e0a\u4e0b\u6587,\u53ef\u4ee5\u53d1\u73b0\u8fd9\u4e2a\u51fd\u6570\u4f1a\u83b7\u5f97pe\u7684\u5934\u90e8\u5e76\u4e14\u68c0\u6d4b\u662f\u5426\u5b58\u57280xcc(int3\u65ad\u70b9)<br \/>\n\u5982\u679c\u5b58\u5728,\u5c31\u4f1a\u89e6\u53d1\u4e00\u6bb5\u51fd\u6570\u5411\u4ee3\u7801\u6bb5\u5199\u5165\u6570\u636e,\u81ea\u7136\u5c31\u4f1a\u89e6\u53d1\u5f02\u5e38\u4e86.<\/p>\n<pre><code class=\"language-c\">CAT1:0040A204                 jnz     short locret_40A22E ; Keypatch modified this from:\n<\/code><\/pre>\n<p>\u6240\u4ee5\u6211\u4eec\u76f4\u63a5\u5c06\u8fd9\u91cc\u7684jnz patch\u6210jmp\u5c31\u53ef\u4ee5\u7ed5\u8fc7\u8fd9\u4e2a\u53cd\u8c03\u8bd5\u4e86.<br \/>\n\u4f46\u662f\u6211\u4eec\u63a5\u4e0b\u6765\u52a8\u8c03\u7684\u65f6\u5019\u53c8\u8fdb\u5230\u6c9f\u69fd\u7684\u53cd\u8c03\u8bd5\u4e86,\u7f51\u4e0a\u7684\u4e00\u7bc7\u535a\u5ba2\u8bf4\u6ca1\u6709\u9047\u5230\u53cd\u8c03\u8bd5,\u6211\u4f30\u8ba1\u662f\u5f00\u4e86\u53cd\u8c03\u8bd5\u63d2\u4ef6\u5fd8\u5173\u4e86(\u96fe<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7a0b\u5e8f\u5206\u6790 \u9996\u5148\u67e5\u4e00\u4e0b\u58f3 \u663e\u793a\u6709\u7c7b\u4f3cupx\u7684\u58f3,\u6240\u4ee5\u6211\u4eec\u7b2c\u4e00\u6b65\u5148\u7528xdbg\u6253\u5f00\u5206\u6790\u4e00\u4e0b \u53ef\u4ee5\u5728\u5f00\u5934\u770b\u5230\u5f88\u660e\u663e\u7684p [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-26","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/posts\/26","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/comments?post=26"}],"version-history":[{"count":1,"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/posts\/26\/revisions"}],"predecessor-version":[{"id":27,"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/posts\/26\/revisions\/27"}],"wp:attachment":[{"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/media?parent=26"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/categories?post=26"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.seekinthevortex.cn\/index.php\/wp-json\/wp\/v2\/tags?post=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}