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CM下载:链接: http://pan.baidu.com/s/1qW7EA9u 密码: vw6z
CM长这样:
无壳,OD输入后CtrL+G 401000到程序领空,然后CtrL+B 输入FF55FC5F5E 到易语言按按钮事件断点下断,
然后到CM界面输入假码点注册,断下后F7进CALL到下面代码 F8一直跟就行
- 004014E3 /. 55 push ebp
- 004014E4 |. 8BEC mov ebp,esp
- 004014E6 |. 81EC 40000000 sub esp,0x40
- 004014EC |. 68 00000000 push 0x0
- 004014F1 |. BB E02E4000 mov ebx,00402EE0
- 004014F6 |. E8 6D0F0000 call 00402468
- 004014FB |. 83C4 04 add esp,0x4
- 004014FE |. 8945 F4 mov [local.3],eax
- 00401501 |. DB45 F4 fild [local.3]
- 00401504 |. DD5D F4 fstp qword ptr ss:[ebp-0xC]
- 00401507 |. 68 01060080 push 0x80000601
- 0040150C |. FF75 F8 push [local.2]
- 0040150F |. FF75 F4 push [local.3]
- 00401512 |. 68 01000000 push 0x1
- 00401517 |. BB 70254000 mov ebx,00402570
- 0040151C |. E8 470F0000 call 00402468
- 00401521 |. 83C4 10 add esp,0x10
- 00401524 |. 8945 EC mov [local.5],eax
- 00401527 |. 8955 F0 mov [local.4],edx
- 0040152A |. DD45 EC fld qword ptr ss:[ebp-0x14]
- 0040152D |. DC05 63124700 fadd qword ptr ds:[0x471263]
- 00401533 |. DD5D E4 fstp qword ptr ss:[ebp-0x1C]
- 00401536 |. DD45 E4 fld qword ptr ss:[ebp-0x1C]
- 00401539 |. DC25 6B124700 fsub qword ptr ds:[0x47126B]
- 0040153F |. DD5D DC fstp qword ptr ss:[ebp-0x24]
- 00401542 |. DD45 DC fld qword ptr ss:[ebp-0x24]
- 00401545 |. DC05 73124700 fadd qword ptr ds:[0x471273]
- 0040154B |. DD5D D4 fstp qword ptr ss:[ebp-0x2C]
- 0040154E |. DD45 D4 fld qword ptr ss:[ebp-0x2C]
- 00401551 |. DC25 7B124700 fsub qword ptr ds:[0x47127B]
- 00401557 |. DD5D CC fstp qword ptr ss:[ebp-0x34]
- 0040155A |. 68 01060080 push 0x80000601
- 0040155F |. FF75 D0 push [local.12]
- 00401562 |. FF75 CC push [local.13]
- 00401565 |. 68 01000000 push 0x1
- 0040156A |. BB 90294000 mov ebx,00402990
- 0040156F |. E8 F40E0000 call 00402468 ; 这个是计算真码的CALL
- 00401574 |. 83C4 10 add esp,0x10
- 00401577 |. 8945 C8 mov [local.14],eax
- 0040157A |. 6A FF push -0x1
- 0040157C |. 6A 08 push 0x8
- 0040157E |. 68 52690116 push 0x16016952
- 00401583 |. 68 39690152 push 0x52016939
- 00401588 |. E8 E70E0000 call 00402474 ; 这个是获取假码的CALL
- 0040158D |. 83C4 10 add esp,0x10
- 00401590 |. 8945 C4 mov [local.15],eax
- 00401593 |. 8B45 C8 mov eax,[local.14]
- 00401596 |. 50 push eax
- 00401597 |. FF75 C4 push [local.15]
- 0040159A |. E8 A7FEFFFF call 00401446 ; 这个是真假码比较的CALL
- 0040159F |. 83C4 08 add esp,0x8
- 004015A2 |. 83F8 00 cmp eax,0x0
- 004015A5 |. B8 00000000 mov eax,0x0
- 004015AA |. 0F94C0 sete al
- 004015AD |. 8945 C0 mov [local.16],eax
- 004015B0 |. 8B5D C4 mov ebx,[local.15]
- 004015B3 |. 85DB test ebx,ebx
- 004015B5 |. 74 09 je short 004015C0
- 004015B7 |. 53 push ebx
- 004015B8 |. E8 930E0000 call 00402450
- 004015BD |. 83C4 04 add esp,0x4
- 004015C0 |> 8B5D C8 mov ebx,[local.14]
- 004015C3 |. 85DB test ebx,ebx
- 004015C5 |. 74 09 je short 004015D0
- 004015C7 |. 53 push ebx
- 004015C8 |. E8 830E0000 call 00402450
- 004015CD |. 83C4 04 add esp,0x4
- 004015D0 |> 837D C0 00 cmp [local.16],0x0
- 004015D4 |. 0F84 A3000000 je 0040167D ; 这个是关键跳,Nop即可爆破
- 004015DA |. 6A 00 push 0x0
- 004015DC |. 6A 00 push 0x0
- 004015DE |. 6A 00 push 0x0
- 004015E0 |. 68 01030080 push 0x80000301
- 004015E5 |. 6A 00 push 0x0
- 004015E7 |. 68 00000000 push 0x0
- 004015EC |. 68 04000080 push 0x80000004
- 004015F1 |. 6A 00 push 0x0
- 004015F3 |. A1 C8164900 mov eax,dword ptr ds:[0x4916>
- 004015F8 |. 85C0 test eax,eax
复制代码
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一路走来不容易
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消逝的过去
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链接无了 |
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积极评分从我做起,感谢! |
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确实简单。哈哈 |
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