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哪位大侠帮我看看这段代码??
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发表于:
2005-6-10 21:45
4078
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我一个菜鸟,刚刚开始学习……
随便找了一个CrackMe,好不容易找到了它算注册码的地方,但是这些代码究竟是怎么运算的,我怎么也没弄懂……还请大侠来指点指点迷津啊……
0040448C /$ 85D2 test edx,edx
0040448E |. 74 24 je short AAA.004044B4
00404490 |. 8B4A F8 mov ecx,dword ptr ds:[edx-8]
00404493 |. 41 inc ecx
00404494 |. 7F 1A jg short AAA.004044B0
00404496 |. 50 push eax
00404497 |. 52 push edx
00404498 |. 8B42 FC mov eax,dword ptr ds:[edx-4]
0040449B |. E8 5C000000 call AAA.004044FC
004044A0 |. 89C2 mov edx,eax
004044A2 |. 58 pop eax
004044A3 |. 52 push edx
004044A4 |. 8B48 FC mov ecx,dword ptr ds:[eax-4]
004044A7 |. E8 2CE5FFFF call AAA.004029D8
004044AC |. 5A pop edx
004044AD |. 58 pop eax
004044AE |. EB 04 jmp short AAA.004044B4
004044B0 |> F0:FF42 F8 lock inc dword ptr ds:[edx-8]
004044B4 |> 8710 xchg dword ptr ds:[eax],edx
004044B6 |. 85D2 test edx,edx
004044B8 |. 74 14 je short AAA.004044CE
004044BA |. 8B4A F8 mov e
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