软件见帖子:https://www.52hb.com/thread-3442-1-1.html 一、脱壳
用吾爱汇编论坛工具ASPDie脱壳
二、字符串搜索 搜索字符串“注册” 00543F73 E8 400FECFF call Unpacked.00404EB8 00543F78 8B45 FC mov eax,dword ptr ss:[ebp-0x4] 00543F7B E8 905BECFF call Unpacked.00409B10 00543F80 3C 01 cmp al,0x1 00543F82 75 54 jnz short Unpacked.00543FD8 00543F84 BA 28415400 mov edx,Unpacked.00544128 ; 软件已注册 00543F89 8B83 EC040000 mov eax,dword ptr ds:[ebx+0x4EC] 00543F8F E8 B836F0FF call Unpacked.0044764C 00543F94 8B93 18040000 mov edx,dword ptr ds:[ebx+0x418] 00543F9A 8B83 30040000 mov eax,dword ptr ds:[ebx+0x430] 00543FA0 E8 77E6F8FF call Unpacked.004D261C 00543FA5 BA 3C415400 mov edx,Unpacked.0054413C ; 解释 00543FAA 8B83 30040000 mov eax,dword ptr ds:[ebx+0x430] 00543FB0 E8 B3E6F8FF call Unpacked.004D2668 00543FB5 8B93 F0020000 mov edx,dword ptr ds:[ebx+0x2F0] 00543FBB 8B83 74040000 mov eax,dword ptr ds:[ebx+0x474] 00543FC1 E8 7AEAF8FF call Unpacked.004D2A40 00543FC6 BA 4C415400 mov edx,Unpacked.0054414C ; content 00543FCB 8B83 74040000 mov eax,dword ptr ds:[ebx+0x474] 00543FD1 E8 B6EAF8FF call Unpacked.004D2A8C 00543FD6 EB 30 jmp short Unpacked.00544008 00543FD8 BA 5C415400 mov edx,Unpacked.0054415C ; 软件未注册 00543FDD 8B83 EC040000 mov eax,dword ptr ds:[ebx+0x4EC] 00543FE3 E8 6436F0FF call Unpacked.0044764C
00545A18 58 pop eax 00545A19 E8 D6F5EBFF call Unpacked.00404FF4 00545A1E 0F85 14010000 jnz Unpacked.00545B38 00545A24 BA 845B5400 mov edx,Unpacked.00545B84 ; xhcz.d11 00545A29 8D85 ACFEFFFF lea eax,dword ptr ss:[ebp-0x154] 00545A2F E8 10D5EBFF call Unpacked.00402F44 00545A34 BA 01000000 mov edx,0x1 00545A39 8D85 ACFEFFFF lea eax,dword ptr ss:[ebp-0x154] 00545A3F E8 B4DAEBFF call Unpacked.004034F8 00545A44 E8 33CFEBFF call Unpacked.0040297C 00545A49 33C0 xor eax,eax 00545A4B 55 push ebp 00545A4C 68 BE5A5400 push Unpacked.00545ABE 00545A51 64:FF30 push dword ptr fs:[eax] 00545A54 64:8920 mov dword ptr fs:[eax],esp 00545A57 6A 00 push 0x0 00545A59 8D55 FB lea edx,dword ptr ss:[ebp-0x5] 00545A5C B9 01000000 mov ecx,0x1 00545A61 8D85 ACFEFFFF lea eax,dword ptr ss:[ebp-0x154] 00545A67 E8 34D6EBFF call Unpacked.004030A0 00545A6C E8 0BCFEBFF call Unpacked.0040297C 00545A71 BA 88AD1000 mov edx,0x10AD88 00545A76 8D85 ACFEFFFF lea eax,dword ptr ss:[ebp-0x154] 00545A7C E8 83DAEBFF call Unpacked.00403504 00545A81 E8 F6CEEBFF call Unpacked.0040297C 00545A86 6A 00 push 0x0 00545A88 8D55 FB lea edx,dword ptr ss:[ebp-0x5] 00545A8B B9 01000000 mov ecx,0x1 00545A90 8D85 ACFEFFFF lea eax,dword ptr ss:[ebp-0x154] 00545A96 E8 05D6EBFF call Unpacked.004030A0 00545A9B E8 DCCEEBFF call Unpacked.0040297C 00545AA0 33C0 xor eax,eax 00545AA2 5A pop edx 00545AA3 59 pop ecx 00545AA4 59 pop ecx 00545AA5 64:8910 mov dword ptr fs:[eax],edx 00545AA8 68 C55A5400 push Unpacked.00545AC5 00545AAD 8D85 ACFEFFFF lea eax,dword ptr ss:[ebp-0x154] 00545AB3 E8 08D6EBFF call Unpacked.004030C0 00545AB8 E8 BFCEEBFF call Unpacked.0040297C 00545ABD C3 retn 00545ABE ^ E9 D9E9EBFF jmp Unpacked.0040449C 00545AC3 ^ EB E8 jmp short Unpacked.00545AAD 00545AC5 B8 985B5400 mov eax,Unpacked.00545B98 ; 软件注册成功! 00545ACA E8 35ADEFFF call Unpacked.00440804 00545ACF 8B45 FC mov eax,dword ptr ss:[ebp-0x4] 00545AD2 8B80 EC040000 mov eax,dword ptr ds:[eax+0x4EC] 00545AD8 BA B05B5400 mov edx,Unpacked.00545BB0 ; 软件已注册 00545ADD E8 6A1BF0FF call Unpacked.0044764C 00545AE2 8B45 FC mov eax,dword ptr ss:[ebp-0x4] 00545AE5 8B90 18040000 mov edx,dword ptr ds:[eax+0x418] 00545AEB 8B45 FC mov eax,dword ptr ss:[ebp-0x4] 00545AEE 8B80 30040000 mov eax,dword ptr ds:[eax+0x430] 00545AF4 E8 23CBF8FF call Unpacked.004D261C 00545AF9 8B45 FC mov eax,dword ptr ss:[ebp-0x4] 00545AFC 8B80 30040000 mov eax,dword ptr ds:[eax+0x430] 00545B02 BA C45B5400 mov edx,Unpacked.00545BC4 ; 解释 00545B07 E8 5CCBF8FF call Unpacked.004D2668 00545B0C 8B45 FC mov eax,dword ptr ss:[ebp-0x4] 00545B0F 8B90 F0020000 mov edx,dword ptr ds:[eax+0x2F0] 00545B15 8B45 FC mov eax,dword ptr ss:[ebp-0x4] 00545B18 8B80 74040000 mov eax,dword ptr ds:[eax+0x474] 00545B1E E8 1DCFF8FF call Unpacked.004D2A40 00545B23 8B45 FC mov eax,dword ptr ss:[ebp-0x4] 00545B26 8B80 74040000 mov eax,dword ptr ds:[eax+0x474] 00545B2C BA D45B5400 mov edx,Unpacked.00545BD4 ; content 00545B31 E8 56CFF8FF call Unpacked.004D2A8C 00545B36 EB 0A jmp short Unpacked.00545B42 00545B38 B8 E45B5400 moveax,Unpacked.00545BE4 ; 注册失败,请重试!\r\r注册用户重试失败请与作者联系! 00545B3D E8 C2ACEFFF call Unpacked.00440804
三、改关键跳 改注册关键跳
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