密码管理软件。 (2千字)
密码管理软件破解。
运行软件,来到注册处,填上注册信息。(当然了随便了)
用ice下断:
bpx hmemcpy
按ok
被拦截.....
按几下f12来到该程序段,再按f10停在这里:
:0041D539 6888130000 push 00001388
:0041D53E 8B5508 mov edx, dword ptr [ebp+08]
:0041D541 52 push edx
:0041D542 E8990EFFFF call 0040E3E0 *不要按了,这里是出错框!
啊!对了,一路上你会碰到,几段代码:
:0041D49E E85D640000 call 00423900 *这里算码!
:0041D4A3 83C404 add esp, 00000004
:0041D4A6 8985FCFEFFFF mov dword ptr [ebp+FFFFFEFC], eax
:0041D4AC 81BDFCFEFFFF92A71901 cmp dword ptr [ebp+FFFFFEFC], 0119A792 *对输入的注册码经过复杂计算后比较
:0041D4B6 753C jne 0041D4F4
:0041D519 8B450C mov eax, dword ptr [ebp+0C]
:0041D51C 83C032 add eax, 00000032
:0041D51F 50 push eax
:0041D520 8B4D0C mov ecx, dword ptr [ebp+0C]
:0041D523 51 push ecx
:0041D524 E897870000 call 00425CC0
:0041D529 83C408 add esp, 00000008
:0041D52C 3985F8FEFFFF cmp dword ptr [ebp+FFFFFEF8], eax *这里也是哦!
:0041D532 7418 je 0041D54C
:0041D534 68CFEA0000 push 0000EACF
:0041D4F4 81BDFCFEFFFF3CCE5F0D cmp dword ptr [ebp+FFFFFEFC], 0D5FCE3C *这里也是哦!
:0041D4FE 7519 jne 0041D519
