{"id":113,"date":"2006-06-17T13:07:40","date_gmt":"2006-06-17T05:07:40","guid":{"rendered":"http:\/\/tmp.xujiwei.com\/blog\/?p=113"},"modified":"2010-01-29T12:41:45","modified_gmt":"2010-01-29T04:41:45","slug":"get-serial-of-shinanrenjiuxia100cen","status":"publish","type":"post","link":"https:\/\/xujiwei.com\/blog\/2006\/06\/get-serial-of-shinanrenjiuxia100cen\/","title":{"rendered":"[ASM] \u662f\u7537\u4eba\u5c31\u4e0b100\u5c42\uff0c\u4ea4\u51fa\u5e8f\u5217\u53f7\u6765"},"content":{"rendered":"
\n

\u67d0\u5929\uff08\u524d\u5929\uff1a\uff09\uff0c\u770b\u4e86\u4e24\u4e2a\u5c0f\u65f6\u9ad8\u6570\uff08\u5177\u4f53\u4e0d\u8be6\uff1a\uff09\u4e4b\u540e\uff0c\u60f3\u653e\u677e\u4e00\u4e0b\uff0c\u627e\u5230\u300a\u662f\u7537\u4eba\u5c31\u4e0b100\u5c42\u300b\uff0c\u6253\u5f00\uff0c\u73a9\u4e86\u4e24\u628a\uff0c\u7a81\u7136\u53d1\u73b0\u4eca\u5929\u600e\u4e48\u770b\u90a3\u4e2a\u201c\u6ce8\u518c\u201d\u7684\u6309\u94ae\u7279\u522b\u4e0d\u723d\uff0cOK\uff0cCrack\u00a0it\uff01<\/p>\n

\u5e38\u89c4\u6b65\u9aa4\uff0c\u7528PEid\u4fa6\u58f3\uff0c\u7528VC4.x\u5199\u7684\uff0c\u8fd9\u6837\u65b9\u4fbf\u4e86\uff0c\u8131\u58f3\u90fd\u4e0d\u7528\u3002\u63a5\u7740\u796d\u51fa\u7528\u6237\u7ea7\u8c03\u8bd5\u6cd5\u5b9d\u2014\u2014Ollydbg\uff0c\u52a0\u8f7d\u300a\u662f\u7537\u4eba\u5c31\u4e0b100\u5c42\u300b\uff0c\u4e07\u4e8b\u4ff1\u5907\uff0c\u8e0f\u4e0a\u5f81\u9014\uff01<\/p>\n

\u6309F9\u8fd0\u884c\u7a0b\u5e8f\uff0c\u7b49\u7a0b\u5e8f\u7a97\u53e3\u51fa\u6765\uff0c\u70b9\u4e00\u4e0b\u4efb\u52a1\u680f\u4e0a\u6309\u94ae\uff0c\u7ed3\u679c\u7adf\u7136\u4e2d\u65ad\u4e86\uff0cCPU\u7a97\u53e3\u4e00\u770b\uff0c\u539f\u6765\u662f\u4e00\u6761INT3\u6307\u4ee4\uff0c\u9ebb\u70e6\u7684\u4e1c\u897f\uff0cNOP\u6389\u3002\u7ee7\u7eedF9\u8fd0\u884c\uff0c\u597d\uff0c\u8fd9\u4e0b\u53ef\u4ee5\u628a\u7a0b\u5e8f\u7a97\u53e3\u8c03\u5230\u524d\u9762\u4e86\u3002\u5207\u6362\u5230\u7a0b\u5e8f\u7a97\u53e3\uff0c\u70b9\u6ce8\u518c\uff0c\u51fa\u73b0\u586b\u5199\u7528\u6237\u540d\u548c\u5e8f\u5217\u53f7\u7684\u7a97\u53e3\u3002\u7528\u6237\u540d\u586bHotHeart\uff0c\u5e8f\u5217\u53f7\u586b\u4e00\u4e2a123456\uff0c\u786e\u5b9a\uff0c\u5f53\u7136\u4e0d\u4f1a\u6210\u529f\uff0c\u8981\u4e0d\u6211\u5c31\u53ef\u4ee5\u53bb\u4e70\u5f69\u7968\u4e86^_^\u3002\u5f39\u51fa\u4e00\u4e2a\u9519\u8bef\u63d0\u793a\u6846\uff0c\u5185\u5bb9\u662f\u65e5\u6587\u7684\u2026\u2026\u610f\u601d\u5927\u6982\u662f\u5e8f\u5217\u53f7\u65e0\u6548\u3002\u65e2\u7136\u6709\u63d0\u793a\u6846\uff0c\u90a3\u5c31\u597d\u529e\uff0c\u56de\u5230Ollydbg\uff0c\u4e0b\u65ad\u70b9bp\u00a0MessageBoxA\uff0c\u518d\u6b21\u6362\u5230\u7a0b\u5e8f\u7a97\u53e3\u70b9\u786e\u5b9a\u3002YES\uff01\u987a\u5229\u4e2d\u65ad\uff0c\u5207\u56deOllydbg\u770b\u770b\u4ee3\u7801\uff1a<\/p>\n

;\u00a0\u83b7\u53d6\u5bf9\u8bdd\u6846\u4e2d\u63a7\u4ef6\u6587\u672c<\/span><\/p>\n

00407A78\u00a0\u00a0PUSH<\/span> 100<\/p>\n

00407A7D\u00a0\u00a0LEA<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>-204]<\/p>\n

00407A83\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407A84\u00a0\u00a0PUSH<\/span> 3EB<\/p>\n

00407A89\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407A8C\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407A8D\u00a0\u00a0CALL<\/span> DWORD<\/span> PTR\u00a0DS<\/span>:[<&USER32.GetDlgItemText>]<\/p>\n

00407A93\u00a0\u00a0LEA<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>-204]<\/p>\n

00407A99\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407A9A\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407C5F<\/p>\n

00407A9F\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407AA2\u00a0\u00a0TEST<\/span> EAX<\/span>,EAX<\/span><\/p>\n

00407AA4\u00a0\u00a0JNZ<\/span> \u662f\u7537\u4eba\u5c31.00407AE1<\/p>\n

;\u00a0\u4ece\u8d44\u6e90\u4e2d\u8f7d\u5165\u5b57\u7b26\u4e32\uff0c\u662f\u6ce8\u518c\u5931\u8d25\u7684\u63d0\u793a\u4fe1\u606f<\/span><\/p>\n

00407AAA\u00a0\u00a0PUSH<\/span> 100<\/p>\n

00407AAF\u00a0\u00a0LEA<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>-104]<\/p>\n

00407AB5\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407AB6\u00a0\u00a0PUSH<\/span> 4<\/p>\n

00407AB8\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0DS<\/span>:[40E200]<\/p>\n

00407ABD\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407ABE\u00a0\u00a0CALL<\/span> DWORD<\/span> PTR\u00a0DS<\/span>:[<&USER32.LoadStringA>]<\/p>\n

;\u00a0\u4e0b\u9762\u5c31\u662f\u5f39\u51fa\u51fa\u9519\u63d0\u793a\u6846\u7684\u4ee3\u7801\u4e86<\/span><\/p>\n

00407AC4\u00a0\u00a0PUSH<\/span> 10<\/p>\n

00407AC6\u00a0\u00a0PUSH<\/span> \u662f\u7537\u4eba\u5c31.0040D270<\/p>\n

00407ACB\u00a0\u00a0LEA<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>-104]<\/p>\n

00407AD1\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407AD2\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407AD5\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407AD6\u00a0\u00a0CALL<\/span> DWORD<\/span> PTR\u00a0DS<\/span>:[<&USER32.MessageBoxA>]<\/p>\n

00407ADC\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407B22<\/p>\n

\u770b\u5230407AD6\u8fd9\u91cc\u8c03\u7528\u4e86MessageBoxA\uff0c\u5f80\u4e0a\u770b\uff0c\u5f88\u8212\u670d\u5730\u770b\u5230\u8fd9\u4e00\u53e5\uff1a<\/p>\n

00407AA4\u00a0\u00a0JNZ<\/span> \u662f\u7537\u4eba\u5c31.00407AE1<\/p>\n

\u4e00\u4e2a\u5f88\u503c\u5f97\u6ce8\u610f\u7684\u8df3\u8f6c\uff0c\u662f\u4e0d\u662f\u5173\u952e\u8df3\u8f6c\u5462\uff0c\u628aJNZ\u6539\u6210JZ\uff0c\u518d\u8bd5\u8bd5\uff0c\u70b9\u786e\u5b9a\uff0c\u51fa\u9519\u63d0\u793a\u662f\u6ca1\u6709\u4e86\uff0c\u4e0d\u8fc7\u90a3\u4e2a\u6ce8\u518c\u6309\u94ae\u8fd8\u662f\u5728\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fd9\u53e5\u4e0d\u662f\u5173\u952e\u8df3\u8f6c\uff0c\u6ca1\u6709\u6d89\u53ca\u5230\u5e8f\u5217\u53f7\u7684\u90e8\u5206\u3002\u518d\u5f80\u4e0a\u770b\uff0c\u53d1\u73b0\u770b\u5728\u8fd9\u4e2a\u8df3\u8f6c\u4e4b\u524d\u6709\u83b7\u53d6\u5bf9\u8bdd\u6846\u4e2d\u6570\u636e\uff1a<\/p>\n

00407A8D\u00a0\u00a0CALL<\/span> DWORD<\/span> PTR\u00a0DS<\/span>:[<&USER32.GetDlgItemText>]<\/p>\n

\u90a3\u4e48\u5728\u8fd9\u91cc\u4e2d\u65ad\u770b\u770b\u5b83\u5f97\u5230\u4e86\u4ec0\u4e48\u3002F2\u4e0b\u65ad\u70b9\uff0c\u5207\u5230\u7a0b\u5e8f\u7a97\u53e3\uff0c\u8f93\u5165\u7528\u6237\u540d\u548c\u5e8f\u5217\u53f7\uff0c\u786e\u5b9a\uff0c\u9884\u6599\u4e4b\u4e2d\u65ad\u4e0b\u6765\u3002\u63a5\u7740F8\u5355\u6b65\u8fd0\u884c\uff0c\u518d\u6765\u4e00\u4e2aYES\uff01\u5b83\u5f97\u5230\u7684\u662f123456\uff0c\u4e5f\u5c31\u662f\u6211\u586b\u7684\u5e8f\u5217\u53f7\uff0c\u63a5\u7740\u628a\u5e8f\u5217\u53f7\u6240\u5728\u7684\u5730\u5740\u5b58\u5230EAX\u4e2d\uff0c\u518d\u5c06EAX\u538b\u5165\u5806\u6808\uff0c\u7d27\u63a5\u7740\u53c8\u4e00\u4e2acall\uff0c\u55ef\uff0c\u8fd9\u4e2acall\u5f88\u503c\u5f97\u6000\u7591\uff0c\u8ddf\u8fdb\uff01\u4e0b\u9762\u5c31\u662f\u6574\u4e2acall\u7684\u51fd\u6570\u7684\u4ee3\u7801\u4e86\uff0c\u6709\u70b9\u957f\uff1a\uff09<\/p>\n

00407C5F\u00a0\u00a0PUSH<\/span> EBP<\/span> ;\u00a0C\u51fd\u6570\u6807\u51c6\u5f00\u5934<\/span><\/p>\n

00407C60\u00a0\u00a0MOV<\/span> EBP<\/span>,ESP<\/span><\/p>\n

00407C62\u00a0\u00a0SUB<\/span> ESP<\/span>,4\u00a0\u00a0\u00a0;\u00a0\u5c40\u90e8\u53d8\u91cf\uff0c\u5206\u6790\u540e\u9762\u7684\u4ee3\u7801\u53ef\u77e5\u662f\u7528\u6765\u4f5c\u8ba1\u6570\u5668\u7684<\/span><\/p>\n

00407C65\u00a0\u00a0PUSH<\/span> EBX<\/span> ;\u00a0\u4fdd\u62a4\u5bc4\u5b58\u5668<\/span><\/p>\n

00407C66\u00a0\u00a0PUSH<\/span> ESI<\/span><\/p>\n

00407C67\u00a0\u00a0PUSH<\/span> EDI<\/span><\/p>\n

\u4ece\u4ee3\u7801\u5f00\u59cb\u53ef\u660e\u663e\u770b\u51fa\u8fd9\u662f\u4e00\u4e2a\u6807\u51c6\u7684C\u51fd\u6570\uff0c\u63a5\u7740\u5f80\u4e0b\u770b\u3002\u78b0\u5230\u5806\u6808\u64cd\u4f5c\uff0c\u8fd9\u503c\u5f97\u6ce8\u610f\uff0c\u56e0\u4e3acall\u8fc7\u6765\u65f6\u6709\u538b\u5165\u8fc7\u4e00\u4e2a\u53c2\u6570\uff0c\u6307\u5411\u5e8f\u5217\u53f7\u8d77\u59cb\u5730\u5740\uff1a<\/p>\n

00407C68\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]\u00a0\u00a0;\u00a0\u8fd9\u53e5\u4e4b\u540eEAX\u6307\u5411\u5e8f\u5217\u53f7<\/span><\/p>\n

00407C6B\u00a0\u00a0XOR<\/span> ECX<\/span>,ECX<\/span><\/p>\n

00407C6D\u00a0\u00a0MOV<\/span> CL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>+7]\u00a0\u00a0\u00a0\u00a0;\u00a0\u5f97\u5230\u5e8f\u5217\u53f7\u7b2c8\u4f4d<\/span><\/p>\n

00407C70\u00a0\u00a0TEST<\/span> ECX<\/span>,ECX<\/span> ;\u00a0\u5224\u65ad\u662f\u5426\u4e3a0<\/span><\/p>\n

00407C72\u00a0\u00a0JE<\/span> \u662f\u7537\u4eba\u5c31.00407C7F\u00a0\u00a0\u00a0\u00a0;\u00a0\u662f\u521a\u8df3\u8f6c<\/span><\/p>\n

00407C78\u00a0\u00a0XOR<\/span> EAX<\/span>,EAX<\/span> ;\u00a0EAX\u6e05\u96f6<\/span><\/p>\n

00407C7A\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407DC4\u00a0\u00a0\u00a0\u00a0;\u00a0\u8fd9\u91cc\u8df3\u5230\u51fd\u6570\u7ed3\u5c3e<\/span><\/p>\n

00407C7F\u00a0\u00a0MOV<\/span> DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>-4],0\u00a0\u00a0\u00a0\u00a0;\u00a0\u8ba1\u6570\u5668\u6e05\u96f6<\/span><\/p>\n

00407C86\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407C8E<\/p>\n

\u4e0a\u9762\u7684\u4ee3\u7801\u7684\u4f5c\u7528\u662f\u5f97\u5230\u5e8f\u5217\u53f7\u7b2c8\u4f4d\uff0c\u5e76\u5224\u65ad\u662f\u5426\u4e3a0\uff0c\u5b66\u8fc7C\u7684\u4eba\u90fd\u77e5\u9053\u5728C\u91cc\u5b57\u7b26\u4e32\u662f\u4ee50\u8868\u793a\u7ed3\u675f\u7684\uff0c\u90a3\u4e48\u5c31\u77e5\u9053\u8fd9\u91cc\u4e09\u53e5\u662f\u7528\u6765\u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u5e8f\u5217\u53f7\u662f\u5426\u5927\u4e8e7\u4f4d\u7684\u4e86\uff0c\u5982\u679c\u5927\u4e8e7\u4f4d\uff0c\u5c31\u4f1a\u5c06EAX\u6e05\u96f6\u5e76\u8df3\u5230\u51fd\u6570\u7ed3\u675f\u7684\u5730\u65b9\uff0c\u800c\u524d\u9762\u5df2\u7ecf\u77e5\u9053\uff0c\u5728\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u4e4b\u540e\uff0c\u5982\u679c\u8fd4\u56de\u503c\u4e3a0\u5219\u5e8f\u5217\u53f7\u9a8c\u8bc1\u5931\u8d25\uff0c\u6240\u4ee5\u5e8f\u5217\u53f7\u662f7\u4f4d\u62167\u4f4d\u4ee5\u5185\u7684\u3002\u6211\u586b\u7684123456\uff0c\u662f6\u4f4d\uff0c\u6240\u4ee5\u6ca1\u6709\u8df3\u5230\u51fd\u6570\u7ed3\u675f\uff0c\u63a5\u7740\u5f80\u4e0b\u5206\u6790\uff1a<\/p>\n

00407C8B\u00a0\u00a0INC<\/span> DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>-4]\u00a0\u00a0\u00a0\u00a0;\u00a0\u8ba1\u6570\u5668\u52a01<\/span><\/p>\n

00407C8E\u00a0\u00a0CMP<\/span> DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>-4],7\u00a0\u00a0;\u00a0\u5224\u65ad\u8ba1\u6570\u5668\u662f\u5426\u5927\u4e8e7<\/span><\/p>\n

00407C92\u00a0\u00a0JGE<\/span> \u662f\u7537\u4eba\u5c31.00407CC3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0;\u00a0\u5927\u4e8e\u7b49\u4e8e\u5c31<\/span><\/p>\n

00407C98\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>-4]\u00a0;\u00a0\u53d6\u8ba1\u6570\u5668\u503c\u5230EAX<\/span><\/p>\n

00407C9B\u00a0\u00a0MOV<\/span> ECX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]\u00a0;\u00a0\u53d6\u5e8f\u5217\u53f7\u5730\u5740\u5230ECX<\/span><\/p>\n

00407C9E\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>+ECX<\/span>]\u00a0;\u00a0\u53d6\u5e8f\u5217\u53f7\u7b2cN\u4f4d\u5230AL\uff0cN\u4e3a\u8ba1\u6570\u5668\u503c<\/span><\/p>\n

00407CA1\u00a0\u00a0PUSH<\/span> EAX<\/span> ;\u00a0\u538b\u5165\u5806\u6808\uff0c\u8c03\u7528\u5904\u7406\u51fd\u6570<\/span><\/p>\n

00407CA2\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9\u00a0\u00a0;\u00a0\u5c061\u4f4d\u5e8f\u5217\u53f7\u4eceASCII\u8f6c\u6362\u6210\u4e8c\u8fdb\u5236\u503c<\/span><\/p>\n

00407CA7\u00a0\u00a0ADD<\/span> ESP<\/span>,4\u00a0\u00a0\u00a0;\u00a0\u6062\u590d\u5806\u6808<\/span><\/p>\n

00407CAA\u00a0\u00a0XOR<\/span> ECX<\/span>,ECX<\/span> ;\u00a0ECX\u6e05\u96f6<\/span><\/p>\n

00407CAC\u00a0\u00a0MOV<\/span> CL<\/span>,AL<\/span> ;\u00a0\u5c06\u5904\u7406\u8fc7\u76841\u4f4d\u5e8f\u5217\u53f7\u5b58\u5230CL<\/span><\/p>\n

00407CAE\u00a0\u00a0CMP<\/span> ECX<\/span>,24\u00a0\u00a0;\u00a0\u5224\u65ad\u662f\u5426\u5927\u4e8e0x24<\/span><\/p>\n

00407CB1\u00a0\u00a0JLE<\/span> \u662f\u7537\u4eba\u5c31.00407CBE\u00a0\u00a0;\u00a0\u5927\u4e8e\u5c31\u51fa\u9519\u4e86<\/span><\/p>\n

00407CB7\u00a0\u00a0XOR<\/span> EAX<\/span>,EAX<\/span> ;\u00a0\u5927\u4e8e0x24\uff0c\u8df3\u5230\u51fd\u6570\u7ed3\u675f\uff0c\u8fd4\u56de0<\/span><\/p>\n

00407CB9\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407DC4<\/p>\n

00407CBE\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407C8B\u00a0\u00a0;\u00a0\u7ee7\u7eed\u5904\u7406\u4e0b\u4e00\u4f4d<\/span><\/p>\n

\u5f88\u6e05\u695a\u7684\uff0c\u4e0a\u9762\u8fd9\u6bb5\u4ee3\u7801\u662f\u7528\u6765\u5224\u65ad\u5e8f\u5217\u53f7\u4e2d\u6bcf\u4e00\u4f4d\u662f\u5426\u7b26\u5408\u8981\u6c42\uff0c\u662f\u4ec0\u4e48\u8981\u6c42\u5462\uff0c\u770b\u5230\u5728\u6bcf\u53d6\u5f971\u4f4d\u5e8f\u5217\u53f7\u4e4b\u540e\u6709\u4e00\u53e5call\uff1a<\/p>\n

00407CA2\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9<\/p>\n

\u8fd9\u4e2a\u8c03\u7528\u5f97\u770b\u770b\uff0cF7\u8ddf\u8fdb\uff1a<\/p>\n

00407DC9\u00a0\u00a0PUSH<\/span> EBP<\/span><\/p>\n

00407DCA\u00a0\u00a0MOV<\/span> EBP<\/span>,ESP<\/span><\/p>\n

00407DCC\u00a0\u00a0PUSH<\/span> EBX<\/span><\/p>\n

00407DCD\u00a0\u00a0PUSH<\/span> ESI<\/span><\/p>\n

00407DCE\u00a0\u00a0PUSH<\/span> EDI<\/span><\/p>\n

00407DCF\u00a0\u00a0XOR<\/span> EAX<\/span>,EAX<\/span><\/p>\n

00407DD1\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]\u00a0\u00a0\u00a0\u00a0;\u00a0\u53d6\u53c2\u6570\uff0c\u53731\u4f4d\u5e8f\u5217\u53f7<\/span><\/p>\n

00407DD4\u00a0\u00a0CMP<\/span> EAX<\/span>,61<\/p>\n

00407DD7\u00a0\u00a0JL<\/span> \u662f\u7537\u4eba\u5c31.00407DE8<\/p>\n

;\u00a0\u5224\u65ad\u662f\u5426\u5927\u4e8e0x61\uff0c\u5982\u679c\u5bf9ASCII\u7801\u8868\u719f\u6089\u7684\u8bdd\u53ef\u4ee5\u77e5\u90530x61\u5bf9\u5e94\u7684\u662fa<\/span><\/p>\n

;\u00a0\u5c0f\u4e8e\u5219\u8df3\u8f6c\uff0c\u597d\uff0c\u4e0a\u9762\u90a3\u4e2a\u5224\u65ad\u5e94\u8be5\u4e0d\u662f\u7528\u6765\u5224\u65ad\u8fd9\u4e2a\u5b57\u7b26\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\u4e86<\/span><\/p>\n

;\u00a0\u4e0d\u662f\u5219\u8df3\u5230\u540e\u9762\u7ee7\u7eed\u5904\u7406\uff0c\u662f\u5219\u8fdb\u884c\u4e0b\u9762\u7684\u5904\u7406\u8fc7\u7a0b<\/span><\/p>\n

00407DDD\u00a0\u00a0XOR<\/span> EAX<\/span>,EAX<\/span> ;\u00a0EAX\u6e05\u96f6<\/span><\/p>\n

00407DDF\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]\u00a0\u00a0\u00a0\u00a0;\u00a0\u53d6\u5b57\u7b26<\/span><\/p>\n

00407DE2\u00a0\u00a0SUB<\/span> EAX<\/span>,20\u00a0\u00a0\u00a0\u00a0\u00a0;\u00a0\u51cf0x20\uff0c\u53d8\u5927\u5199\u5b57\u6bcd<\/span><\/p>\n

00407DE5\u00a0\u00a0MOV<\/span> BYTE<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8],AL<\/span> ;\u00a0\u4fdd\u5b58<\/span><\/p>\n

;\u00a0\u4e0d\u7ba1\u662f\u5426\u4e3a\u5c0f\u5b57\u5b57\u6bcd\uff0c\u7ecf\u8fc7\u4e0a\u9762\u7684\u5224\u65ad\u548c\u5904\u7406\u90fd\u4f1a\u53d8\u6210\u5927\u5199\u5b57\u6bcd\uff0c\u7ee7\u7eed\u8fdb\u884c\u5904\u7406<\/span><\/p>\n

00407DE8\u00a0\u00a0XOR<\/span> EAX<\/span>,EAX<\/span> ;\u00a0EAX\u6e05\u96f6<\/span><\/p>\n

00407DEA\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]\u00a0\u00a0\u00a0\u00a0;\u00a0\u53d6\u5b57\u7b26<\/span><\/p>\n

00407DED\u00a0\u00a0CMP<\/span> EAX<\/span>,41<\/p>\n

00407DF0\u00a0\u00a0JL<\/span> \u662f\u7537\u4eba\u5c31.00407E01<\/p>\n

;\u00a0\u5224\u65ad\u662f\u5426\u5927\u4e8e\uff0c0x41\u5bf9\u5e94\u7684ASCII\u5b57\u7b26\u4e3aA<\/span><\/p>\n

;\u00a0\u5c0f\u4e8e\u5219\u8df3\u8f6c\uff0c\u8bf4\u660e\u8fd9\u91cc\u662f\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5927\u5199\u5b57\u6bcd<\/span><\/p>\n

;\u00a0\u4e0d\u662f\u5219\u8df3\u5230\u540e\u9762\u7ee7\u7eed\u5904\u7406\uff0c\u662f\u5219\u8fdb\u884c\u4e0b\u9762\u7684\u5904\u7406\u8fc7\u7a0b<\/span><\/p>\n

00407DF6\u00a0\u00a0XOR<\/span> EAX<\/span>,EAX<\/span> ;\u00a0EAX\u6e05\u96f6<\/span><\/p>\n

00407DF8\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]\u00a0\u00a0\u00a0\u00a0;\u00a0\u53d6\u5b57\u7b26<\/span><\/p>\n

00407DFB\u00a0\u00a0SUB<\/span> EAX<\/span>,7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0;\u00a0\u51cf\u53bb7<\/span><\/p>\n

00407DFE\u00a0\u00a0MOV<\/span> BYTE<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8],AL<\/span> ;\u00a0\u4fdd\u5b58<\/span><\/p>\n

;\u00a0\u5982\u679c\u4e0d\u662f\u5927\u5199\u5b57\u6bcd\u5c31\u8df3\u5230\u8fd9\u91cc\u4e86\uff0c\u5f53\u7136\u5982\u679c\u662f\u5927\u5199\u5b57\u6bcd\u7684\u8bdd<\/span><\/p>\n

;\u00a0\u7ecf\u8fc7\u4e0a\u9762\u7684\u5904\u7406\u8fc7\u7a0b\u540c\u6837\u8981\u8fdb\u884c\u4e0b\u9762\u7684\u5904\u7406\u8fc7\u7a0b<\/span><\/p>\n

00407E01\u00a0\u00a0XOR<\/span> EAX<\/span>,EAX<\/span> ;\u00a0EAX\u6e05\u96f6<\/span><\/p>\n

00407E03\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]\u00a0\u00a0\u00a0\u00a0;\u00a0\u53d6\u5b57\u7b26<\/span><\/p>\n

00407E06\u00a0\u00a0SUB<\/span> EAX<\/span>,30\u00a0\u00a0\u00a0\u00a0\u00a0;\u00a0\u51cf\u53bb0x30<\/span><\/p>\n

00407E09\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407E0E\u00a0\u00a0;\u00a0\u51fd\u6570\u7ed3\u675f<\/span><\/p>\n

00407E0E\u00a0\u00a0POP<\/span> EDI<\/span><\/p>\n

00407E0F\u00a0\u00a0POP<\/span> ESI<\/span><\/p>\n

00407E10\u00a0\u00a0POP<\/span> EBX<\/span><\/p>\n

00407E11\u00a0\u00a0LEAVE<\/span><\/p>\n

00407E12\u00a0\u00a0RETN<\/span><\/p>\n

\u8fde\u8d2f\u8d77\u6765\u770b\u53ef\u4ee5\u77e5\u9053\u8fd9\u4e2a\u5904\u7406\u51fd\u6570\u7684\u8fc7\u7a0b\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n

char\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\u00a0->\u00a0\u662f\u5219\u51cf\u53bb0x20\u53d8\u6210\u5927\u5199\u5b57\u6bcd\uff0c\u4e0d\u662f\u5219\u4fdd\u6301\u4e0d\u53d8\u00a0->\u00a0char\u662f\u5426\u4e3a\u5927\u5199\u5b57\u6bcd\u00a0->\u00a0\u662f\u5219\u51cf\u53bb7\uff0c\u4e0d\u662f\u5219\u4fdd\u6301\u4e0d\u53d8\u00a0->\u00a0char\u51cf0x30<\/p>\n

\u518d\u8054\u7cfb\u6570\u5b57\u548c\u5b57\u6bcd\u7684ASCII\u7801\u503c\uff0c9\u4e3a0x39\uff0cA\u4e3a0x41\uff0c0x41-0x39=7\uff0cOK\uff0c\u53ef\u4ee5\u77e5\u9053\u8fd9\u4e2a\u51fd\u6570\u662f\u628a1\u4f4d\u5e8f\u5217\u53f7\u53d8\u6210\u4e8c\u8fdb\u5236\u503c\uff0c\u5b57\u7b260\u52309\u5bf9\u5e94\u6570\u503c0\u52309\uff0c\u5b57\u6bcd\u5168\u90e8\u8f6c\u6362\u6210\u5927\u5199\u5b57\u6bcd\uff0c\u5e76\u4e14\u5b57\u6bcdA\u5bf9\u5e9410\uff0cB\u5bf9\u5e9411\uff0c\u540e\u9762\u4f9d\u6b21\u7c7b\u63a8\u3002<\/p>\n

\u5f04\u660e\u767d\u4e86\u5b57\u7b26\u5230\u6570\u5b57\u7684\u51fd\u6570\uff0c\u7ee7\u7eed\u770b\u5e8f\u5217\u53f7\u9a8c\u8bc1\u7684\u4ee3\u7801\uff0c\u53ef\u4ee5\u770b\u5230\u5728\u5f97\u5230\u4e8c\u8fdb\u5236\u503c\u4e4b\u540e\uff0c\u53c8\u6765\u4e86\u4e00\u53e5\uff1a<\/p>\n

00407CB1\u00a0\u00a0JLE<\/span> \u662f\u7537\u4eba\u5c31.00407CBE\u00a0\u00a0;\u00a0\u5927\u4e8e\u5c31\u51fa\u9519\u4e86<\/span><\/p>\n

00407CB7\u00a0\u00a0XOR<\/span> EAX<\/span>,EAX<\/span> ;\u00a0\u5927\u4e8e0x24\uff0c\u8df3\u5230\u51fd\u6570\u7ed3\u675f\uff0c\u8fd4\u56de0<\/span><\/p>\n

00407CB9\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407DC4<\/p>\n

00407CBE\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407C8B\u00a0\u00a0;\u00a0\u7ee7\u7eed\u5904\u7406\u4e0b\u4e00\u4f4d<\/span><\/p>\n

0x24\u8f6c\u6362\u6210\u5341\u8fdb\u5236\u5c31\u662f36\uff0c\u521a\u597d\u662f10\u4e2a\u6570\u5b57\u52a026\u4e2a\u5b57\u6bcd\uff0c\u4e5f\u5c31\u662f\u8bf4\u5e8f\u5217\u53f7\u53ea\u5141\u8bb8\u6570\u5b57\u4e0e\u5b57\u6bcd\uff0c\u5e76\u4e14\u89817\u4f4d\uff0c\u5426\u5219\u5c31\u901a\u4e0d\u8fc7\u8fd9\u4e2a\u9a8c\u8bc1\u4e86\u3002\u5f04\u660e\u767d\u4e86\u8fd9\u4e2a\uff0c\u7ee7\u7eed\u5f80\u4e0b\u770b\uff1a<\/p>\n

00407CC3\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407CC6\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>+5]\u00a0\u00a0;\u00a0\u53d6\u5e8f\u5217\u53f7\u7b2c6\u4f4d<\/span><\/p>\n

00407CC9\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407CCA\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0;\u00a0\u8f6c\u6362\u6210\u6570\u503c<\/span><\/p>\n

00407CCF\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407CD2\u00a0\u00a0XOR<\/span> EBX<\/span>,EBX<\/span><\/p>\n

00407CD4\u00a0\u00a0MOV<\/span> BL<\/span>,AL<\/span> ;\u00a0\u5e8f\u5217\u53f7\u7b2c6\u4f4d\u503c\u4fdd\u5b58\u5230EBX<\/span><\/p>\n

00407CD6\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407CD9\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>+2]\u00a0\u00a0;\u00a0\u53d6\u5e8f\u5217\u53f7\u7b2c3\u4f4d<\/span><\/p>\n

00407CDC\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407CDD\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0;\u00a0\u8f6c\u6362\u6210\u6570\u503c<\/span><\/p>\n

00407CE2\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407CE5\u00a0\u00a0XOR<\/span> ECX<\/span>,ECX<\/span><\/p>\n

00407CE7\u00a0\u00a0MOV<\/span> CL<\/span>,AL<\/span> ;\u00a0\u5e8f\u5217\u53f7\u7b2c3\u4f4d\u503c\u4fdd\u5b58\u5230ECX<\/span><\/p>\n

00407CE9\u00a0\u00a0MOV<\/span> ESI<\/span>,24\u00a0\u00a0\u00a0;\u00a0ESI=0x24<\/span><\/p>\n

00407CEE\u00a0\u00a0LEA<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0DS<\/span>:[ECX<\/span>+EBX<\/span>*2+1D]\u00a0;\u00a0EAX=ECX+EBX*2+1D<\/span><\/p>\n

00407CF2\u00a0\u00a0CDQ<\/span> ;\u00a0\u6269\u5c55\u621064\u4f4d<\/span><\/p>\n

00407CF3\u00a0\u00a0IDIV<\/span> ESI<\/span> ;\u00a0\u9664\u4ee50x24<\/span><\/p>\n

00407CF5\u00a0\u00a0MOV<\/span> EBX<\/span>,EDX<\/span> ;\u00a0EDX\u4e3a\u4f59\u6570\uff0c\u5b58\u5230EBX<\/span><\/p>\n

00407CF7\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407CFA\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>]\u00a0\u00a0;\u00a0\u53d6\u5e8f\u5217\u53f7\u7b2c1\u4f4d<\/span><\/p>\n

00407CFC\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407CFD\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9\u00a0\u00a0\u00a0\u00a0;\u00a0\u8f6c\u6362\u6210\u6570\u503c<\/span><\/p>\n

00407D02\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407D05\u00a0\u00a0XOR<\/span> ECX<\/span>,ECX<\/span><\/p>\n

00407D07\u00a0\u00a0MOV<\/span> CL<\/span>,AL<\/span> ;\u00a0\u5e8f\u5217\u53f7\u7b2c1\u4f4d\u503c\u5b58\u5230ECX<\/span><\/p>\n

00407D09\u00a0\u00a0CMP<\/span> EBX<\/span>,ECX<\/span> ;\u00a0EBX=ECX?<\/span><\/p>\n

00407D0B\u00a0\u00a0JNZ<\/span> \u662f\u7537\u4eba\u5c31.00407DBD\u00a0\u00a0;\u00a0\u4e0d\u7b49\uff0c\u9a8c\u8bc1\u5931\u8d25\uff0c\u8df3\u5230\u51fd\u6570\u7ed3\u675f<\/span><\/p>\n

;\u00a0\u5934\u6709\u4e9b\u5927\u4e86\uff0c\u7528\u5fc3\u770b\u53d1\u73b0\u8fd9\u91cc\u5728\u5224\u65ad\u5e8f\u5217\u53f7\u662f\u5426\u7b26\u5408\u89c4\u5219<\/span><\/p>\n

;\u00a0(\u7b2c3\u4f4d+\u7b2c6\u4f4d*2+0x1D)%0x24==\u7b2c1\u4f4d<\/span><\/p>\n

;\u00a0\u8ddf\u7740\u53c8\u662f\u4e24\u6bb5\u4ee3\u7801\u7c7b\u4f3c\u7684\uff0c\u4e0d\u96be\u53d1\u73b0\u4e5f\u662f\u5224\u65ad\uff0c\u4e0d\u8fc7\u89c4\u5219\u6709\u5c0f\u5c0f\u7684\u4e0d\u540c<\/span><\/p>\n

;\u00a0\u4e0b\u9762\u8fd9\u6bb5\u7684\u5224\u65ad\u89c4\u5219\u662f<\/span><\/p>\n

;\u00a0(\u7b2c2\u4f4d+\u7b2c5\u4f4d*2+0x1D)%0x24==\u7b2c7\u4f4d<\/span><\/p>\n

00407D11\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407D14\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>+4]<\/p>\n

00407D17\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407D18\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9<\/p>\n

00407D1D\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407D20\u00a0\u00a0XOR<\/span> EBX<\/span>,EBX<\/span><\/p>\n

00407D22\u00a0\u00a0MOV<\/span> BL<\/span>,AL<\/span><\/p>\n

00407D24\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407D27\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>+1]<\/p>\n

00407D2A\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407D2B\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9<\/p>\n

00407D30\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407D33\u00a0\u00a0XOR<\/span> ECX<\/span>,ECX<\/span><\/p>\n

00407D35\u00a0\u00a0MOV<\/span> CL<\/span>,AL<\/span><\/p>\n

00407D37\u00a0\u00a0MOV<\/span> ESI<\/span>,24<\/p>\n

00407D3C\u00a0\u00a0LEA<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0DS<\/span>:[ECX<\/span>+EBX<\/span>*2+1D]<\/p>\n

00407D40\u00a0\u00a0CDQ<\/span><\/p>\n

00407D41\u00a0\u00a0IDIV<\/span> ESI<\/span><\/p>\n

00407D43\u00a0\u00a0MOV<\/span> EBX<\/span>,EDX<\/span><\/p>\n

00407D45\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407D48\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>+6]<\/p>\n

00407D4B\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407D4C\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9<\/p>\n

00407D51\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407D54\u00a0\u00a0XOR<\/span> ECX<\/span>,ECX<\/span><\/p>\n

00407D56\u00a0\u00a0MOV<\/span> CL<\/span>,AL<\/span><\/p>\n

00407D58\u00a0\u00a0CMP<\/span> EBX<\/span>,ECX<\/span><\/p>\n

00407D5A\u00a0\u00a0JNZ<\/span> \u662f\u7537\u4eba\u5c31.00407DBD<\/p>\n

;\u00a0\u4e0b\u9762\u8fd9\u6bb5\u7684\u5224\u65ad\u89c4\u5219\u662f<\/span><\/p>\n

;\u00a0(\u7b2c1\u4f4d+\u7b2c7\u4f4d*2+0x1D)%0x24==\u7b2c4\u4f4d<\/span><\/p>\n

00407D60\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407D63\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>+6]<\/p>\n

00407D66\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407D67\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9<\/p>\n

00407D6C\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407D6F\u00a0\u00a0XOR<\/span> EBX<\/span>,EBX<\/span><\/p>\n

00407D71\u00a0\u00a0MOV<\/span> BL<\/span>,AL<\/span><\/p>\n

00407D73\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407D76\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>]<\/p>\n

00407D78\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407D79\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9<\/p>\n

00407D7E\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407D81\u00a0\u00a0XOR<\/span> ECX<\/span>,ECX<\/span><\/p>\n

00407D83\u00a0\u00a0MOV<\/span> CL<\/span>,AL<\/span><\/p>\n

00407D85\u00a0\u00a0MOV<\/span> ESI<\/span>,24<\/p>\n

00407D8A\u00a0\u00a0LEA<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0DS<\/span>:[ECX<\/span>+EBX<\/span>*2+1D]<\/p>\n

00407D8E\u00a0\u00a0CDQ<\/span><\/p>\n

00407D8F\u00a0\u00a0IDIV<\/span> ESI<\/span><\/p>\n

00407D91\u00a0\u00a0MOV<\/span> EBX<\/span>,EDX<\/span><\/p>\n

00407D93\u00a0\u00a0MOV<\/span> EAX<\/span>,DWORD<\/span> PTR\u00a0SS<\/span>:[EBP<\/span>+8]<\/p>\n

00407D96\u00a0\u00a0MOV<\/span> AL<\/span>,BYTE<\/span> PTR\u00a0DS<\/span>:[EAX<\/span>+3]<\/p>\n

00407D99\u00a0\u00a0PUSH<\/span> EAX<\/span><\/p>\n

00407D9A\u00a0\u00a0CALL<\/span> \u662f\u7537\u4eba\u5c31.00407DC9<\/p>\n

00407D9F\u00a0\u00a0ADD<\/span> ESP<\/span>,4<\/p>\n

00407DA2\u00a0\u00a0XOR<\/span> ECX<\/span>,ECX<\/span><\/p>\n

00407DA4\u00a0\u00a0MOV<\/span> CL<\/span>,AL<\/span><\/p>\n

00407DA6\u00a0\u00a0CMP<\/span> EBX<\/span>,ECX<\/span><\/p>\n

00407DA8\u00a0\u00a0JNZ<\/span> \u662f\u7537\u4eba\u5c31.00407DBD<\/p>\n

\u4e0a\u9762\u8fd9\u4e09\u6bb5\u5c31\u662f\u5e8f\u5217\u53f7\u9a8c\u8bc1\u7684\u4e3b\u8981\u90e8\u5206\u4e86\uff0c\u5199\u4e2a\u793a\u610f\u8868\u8fbe\u5f0f\uff0c\u7528b1~b7\u8868\u793a\u5e8f\u5217\u53f7\u7b2c1\u81f37\u4f4d\u8f6c\u6362\u540e\u7684\u6570\u503c\uff0cT\u4e3a\u4e34\u65f6\u53d8\u91cf\uff1a<\/p>\n

T\u00a0=\u00a0b3\u00a0+\u00a0b6*2\u00a0+\u00a01D<\/p>\n

b1\u00a0=\u00a0T\u00a0mod\u00a024\u00a0?<\/p>\n

T\u00a0=\u00a0b2\u00a0+\u00a0b5*2\u00a0+\u00a01D<\/p>\n

b7\u00a0=\u00a0T\u00a0mod\u00a024\u00a0?<\/p>\n

T\u00a0=\u00a0b1\u00a0+\u00a0b7*2\u00a0+\u00a01D<\/p>\n

b4\u00a0=\u00a0T\u00a0mod\u00a024\u00a0?<\/p>\n

\u5982\u679c\u4e09\u6b21\u5224\u65ad\u5747\u901a\u8fc7\uff0c\u90a3\u4e48\u6574\u4e2a\u5e8f\u5217\u53f7\u9a8c\u8bc1\u51fd\u6570\u5c31\u56de\u8fd4\u56de1\uff0c\u8868\u793a\u9a8c\u8bc1\u901a\u8fc7\uff1a<\/p>\n

00407DAE\u00a0\u00a0MOV<\/span> EAX<\/span>,1\u00a0\u00a0\u00a0;\u00a0EAX=1<\/span><\/p>\n

00407DB3\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407DC4\u00a0\u00a0;\u00a0\u8df3\u5230\u8fd4\u56de<\/span><\/p>\n

00407DB8\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407DC4<\/p>\n

00407DBD\u00a0\u00a0XOR<\/span> EAX<\/span>,EAX<\/span> ;\u00a0\u4efb\u4f55\u9a8c\u8bc1\u7684\u60c5\u51b5\u4e0b\u5747\u8fd4\u56de0<\/span><\/p>\n

00407DBF\u00a0\u00a0JMP<\/span> \u662f\u7537\u4eba\u5c31.00407DC4<\/p>\n

00407DC4\u00a0\u00a0POP<\/span> EDI<\/span><\/p>\n

00407DC5\u00a0\u00a0POP<\/span> ESI<\/span><\/p>\n

00407DC6\u00a0\u00a0POP<\/span> EBX<\/span><\/p>\n

00407DC7\u00a0\u00a0LEAVE<\/span><\/p>\n

00407DC8\u00a0\u00a0RETN<\/span><\/p>\n

\u5230\u8fd9\u91cc\u5c31\u5dee\u4e0d\u591a\u4e86\uff0c\u5e8f\u5217\u53f7\u9a8c\u8bc1\u51fd\u6570\u5df2\u7ecf\u5206\u6790\u5b8c\u6210\uff0c\u5b83\u7684\u9a8c\u8bc1\u89c4\u5219\u4e5f\u77e5\u9053\u4e86\uff0c\u63a5\u7740\u662f\u5199\u6ce8\u518c\u673a\u4e86\uff0c\u4e0d\u8fc7\u6211\u4e00\u5f00\u59cb\u6ca1\u60f3\u5230\u600e\u4e48\u968f\u673a\u4ea7\u751f\u4e00\u4e2a\u5e8f\u5217\u53f7\uff0c\u53ea\u597d\u628a\u6b63\u786e\u7684\u5e8f\u5217\u53f7\u5168\u5217\u51fa\u6765\u4e86\uff0c\u770b\u4e86\u4e00\u4e0b\uff0c\u67094\u4e07\u591a\u4e2a\u2026\u2026\u6211\u7528C\u5199\u4e86\u4e2a\u5217\u5e8f\u5217\u53f7\u7684\u7a0b\u5e8f\uff0c\u7528\u7684\u7a77\u4e3e\u6cd5\uff0c\u5217\u51fa\u6bcf\u4e00\u4e2a\u5e8f\u5217\u53f7\uff0c\u5224\u65ad\u662f\u5426\u53ef\u7528\uff0c\u5982\u679c\u53ef\u7528\u5c31\u6253\u5370\u51fa\u6765\uff0c\u7a0b\u5e8f\u6e05\u5355\u5982\u4e0b\uff1a<\/p>\n

#include<\/span> <stdio.h><\/p>\n

int<\/span> main()<\/p>\n

{<\/p>\n

char<\/span> bin2char(int<\/span> bin);<\/p>\n

int<\/span> tmp,b1,b2,b3,b4,b5,b6,b7;<\/p>\n

printf<\/span>(\"register\u00a0codes:\\n\"<\/span>);<\/p>\n

for<\/span>(b1=0;b1<36;b1++)<\/p>\n

for<\/span>(b2=0;b2<36;b2++)<\/p>\n

for<\/span>(b3=0;b3<36;b3++)<\/p>\n

for<\/span>(b4=0;b4<36;b4++)<\/p>\n

for<\/span>(b5=0;b5<36;b5++)<\/p>\n

for<\/span>(b6=0;b6<36;b6++)<\/p>\n

for<\/span>(b7=0;b7<36;b7++)<\/p>\n

{<\/p>\n

tmp\u00a0=\u00a0b3\u00a0+\u00a0b6*2\u00a0+\u00a00x1D;<\/p>\n

if<\/span> (b1!=tmp%0x24)\u00a0break<\/span>;<\/p>\n

tmp\u00a0=\u00a0b2\u00a0+\u00a0b5*2\u00a0+\u00a00x1D;<\/p>\n

if<\/span> (b7!=tmp%0x24)\u00a0break<\/span>;<\/p>\n

tmp\u00a0=\u00a0b1\u00a0+\u00a0b7*2\u00a0+\u00a00x1D;<\/p>\n

if<\/span> (b4!=tmp%0x24)\u00a0break<\/span>;<\/p>\n

printf<\/span>(\"%c%c%c%c%c%c%c\\n\"<\/span>,<\/p>\n

bin2char(b1),bin2char(b2),bin2char(b3),bin2char(b4),bin2char(b5),bin2char(b6),bin2char(b7));<\/p>\n

}<\/p>\n

}<\/p>\n

char<\/span> bin2char(int<\/span> bin)<\/p>\n

{<\/p>\n

if<\/span>(bin<10)\u00a0return<\/span>(bin+0x30);<\/p>\n

else<\/span> return<\/span>(bin-10+0x41);<\/p>\n

}<\/p>\n

\u51fd\u6570bin2char\u662f\u5e8f\u5217\u53f7\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\u5b57\u7b26\u8f6c\u6570\u503c\u7684\u9006\u8fc7\u7a0b\u3002<\/p>\n

\u662f\u7537\u4eba\u5c31\u4e0b100\u5c42\u7684\u7834\u89e3\u5c31\u5230\u6b64\u7ed3\u675f\u4e86\uff0c\u540e\u6765\u6211\u53c8\u770b\u4e86\u4e00\u4e0b\u5e8f\u5217\u53f7\u7684\u89c4\u5f8b\uff0c\u53d1\u73b0\u7b2c7\u4f4d\u603b\u662f\u4e3a0\uff0c\u800c\u7b2c4\u4f4d\u51b3\u5b9a\u7b2c1\u4f4d\uff0c\u800c\u7b2c3\u4f4d\u4e0e\u7b2c6\u4f4d\uff0c\u7b2c2\u4f4d\u4e0e\u7b2c5\u4f4d\u5206\u522b\u4e3a\u4e00\u7ec4\u3002\u8fd9\u6837\uff0c\u968f\u673a\u4ea7\u751fb2,b3,b4\u5c31\u53ef\u4ee5\u751f\u6210\u4e00\u4e2a\u5e8f\u5217\u53f7\u4e86\u3002\u53e6\u5916\uff0c\u4e5f\u53ef\u7528\u66b4\u529b\u7834\u89e3\u7684\u65b9\u5f0f\uff0c\u5728\u5e8f\u5217\u53f7\u9a8c\u8bc1\u51fd\u6570\u4e2d\u76f4\u63a5\u5c06EXA=1\u5e76\u8fd4\u56de\uff0c\u8fd9\u6837\u4e0d\u8bba\u4ec0\u4e48\u5e8f\u5217\u53f7\u90fd\u80fd\u901a\u8fc7\u9a8c\u8bc1\u4e86\uff1a\uff09<\/p>\n

OK\uff0c\u5927\u529f\u544a\u6210\u3002\u5199\u7684\u6709\u4e9b\u5570\u55e6\uff0c\u7b2c\u4e00\u6b21\u5199\u7834\u89e3\u7684\u6587\u7ae0\uff0c\u6709\u9519\u8bef\u4e5f\u662f\u96be\u514d\u7684\uff0c\u6b22\u8fce\u6307\u6b63^_^\uff0cvipxjw#163.com\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u67d0\u5929\uff08\u524d\u5929\uff1a\uff09\uff0c\u770b\u4e86\u4e24\u4e2a\u5c0f\u65f6\u9ad8\u6570\uff08\u5177\u4f53\u4e0d\u8be6\uff1a\uff09\u4e4b\u540e\uff0c\u60f3\u653e\u677e\u4e00\u4e0b\uff0c\u627e\u5230\u300a\u662f\u7537\u4eba\u5c31\u4e0b …<\/p>\n

\u7ee7\u7eed\u9605\u8bfb »<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[80,81],"_links":{"self":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/113"}],"collection":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/comments?post=113"}],"version-history":[{"count":0,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/113\/revisions"}],"wp:attachment":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media?parent=113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/categories?post=113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/tags?post=113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}