进入主界面,输入123456,点击CHECK
按钮,根据错误提示定位:
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00521684 > \8B4D E8 mov ecx,dword ptr ss:[ebp-0x18] ; user32.77D2C1D5
00521687 . 51 push ecx ; 123456
00521688 . 68 60054500 push cupofcof.00450560 ; ..........
0052168D . FF15 F8405200 call dword ptr ds:[<&MSVBVM50.__vbaStrCmp>] ; msvbvm50.__vbaStrCmp
00521693 . 8BF0 mov esi,eax
00521695 . 8D4D E8 lea ecx,dword ptr ss:[ebp-0x18]
00521698 . F7DE neg esi
0052169A . 1BF6 sbb esi,esi
0052169C . F7DE neg esi
0052169E . F7DE neg esi
005216A0 . FF15 4C415200 call dword ptr ds:[<&MSVBVM50.__vbaFreeStr>] ; msvbvm50.__vbaFreeStr
005216A6 . 8D4D E4 lea ecx,dword ptr ss:[ebp-0x1C]
005216A9 . FF15 50415200 call dword ptr ds:[<&MSVBVM50.__vbaFreeObj>] ; msvbvm50.__vbaFreeObj
005216AF . 66:3BF7 cmp si,di
005216B2 . 74 6E je short cupofcof.00521722
005216B4 . B9 04000280 mov ecx,0x80020004
005216B9 . B8 0A000000 mov eax,0xA
005216BE . 894D AC mov dword ptr ss:[ebp-0x54],ecx
005216C1 . 894D BC mov dword ptr ss:[ebp-0x44],ecx
005216C4 . 894D CC mov dword ptr ss:[ebp-0x34],ecx
005216C7 . 8D55 94 lea edx,dword ptr ss:[ebp-0x6C]
005216CA . 8D4D D4 lea ecx,dword ptr ss:[ebp-0x2C]
005216CD . 8945 A4 mov dword ptr ss:[ebp-0x5C],eax
005216D0 . 8945 B4 mov dword ptr ss:[ebp-0x4C],eax
005216D3 . 8945 C4 mov dword ptr ss:[ebp-0x3C],eax
005216D6 . C745 9C 7C054>mov dword ptr ss:[ebp-0x64],cupofcof.0045057C ; Incorrect password
005216DD . C745 94 08000>mov dword ptr ss:[ebp-0x6C],0x8
005216E4 . FF15 38415200 call dword ptr ds:[<&MSVBVM50.__vbaVarDup>] ; msvbvm50.__vbaVarDup
005216EA . 8D55 A4 lea edx,dword ptr ss:[ebp-0x5C]
005216ED . 8D45 B4 lea eax,dword ptr ss:[ebp-0x4C]
005216F0 . 52 push edx ; ntdll.KiFastSystemCallRet
005216F1 . 8D4D C4 lea ecx,dword ptr ss:[ebp-0x3C]
005216F4 . 50 push eax
005216F5 . 51 push ecx
005216F6 . 8D55 D4 lea edx,dword ptr ss:[ebp-0x2C]
005216F9 . 6A 10 push 0x10
005216FB . 52 push edx ; ntdll.KiFastSystemCallRet
005216FC . FF15 E0405200 call dword ptr ds:[<&MSVBVM50.#rtcMsgBox_595>] ; 错误提示框
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分析可以得固定key:..........