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Old 09-03-2010, 12:06
Cowsheep Cowsheep is offline
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I can patch the disc in whatever way i want, process always crashes here:

Code:
004A2E29   /$  68 20644C00              PUSH Skittles.004C6420                     ; /pModule = "mscoree.dll"
004A2E2E   |.  FF15 C8304B00            CALL DWORD PTR DS:[<&KERNEL32.GetModuleHan>; \GetModuleHandleA
004A2E34   |.  85C0                     TEST EAX,EAX
004A2E36   |.  74 16                    JE SHORT Skittles.004A2E4E
004A2E38   |.  68 10644C00              PUSH Skittles.004C6410                     ; /ProcNameOrOrdinal = "CorExitProcess"
004A2E3D   |.  50                       PUSH EAX                                   ; |hModule = NULL
004A2E3E   |.  FF15 C4304B00            CALL DWORD PTR DS:[<&KERNEL32.GetProcAddre>; \GetProcAddress
004A2E44   |.  85C0                     TEST EAX,EAX
004A2E46   |.  74 06                    JE SHORT Skittles.004A2E4E
004A2E48   |.  FF7424 04                PUSH DWORD PTR SS:[ESP+4]
004A2E4C   |.  FFD0                     CALL EAX
004A2E4E   |>  FF7424 04                PUSH DWORD PTR SS:[ESP+4]                  ; /ExitCode = FFFFFFFD
004A2E52   \.  FF15 78314B00            CALL DWORD PTR DS:[<&KERNEL32.ExitProcess>>; \ExitProcess
GetModuleHandleA returns 0 in EAX, so ExitProcess is hit.


Here falls the decision to call the function.
Code:
004A2F5B   |> \68 34E04C00              PUSH Skittles.004CE034
004A2F60   |.  B8 28E04C00              MOV EAX,Skittles.004CE028
004A2F65   |.  E8 01FFFFFF              CALL Skittles.004A2E6B
004A2F6A   |.  59                       POP ECX
004A2F6B   |>  68 40E04C00              PUSH Skittles.004CE040
004A2F70   |.  B8 38E04C00              MOV EAX,Skittles.004CE038
004A2F75   |.  E8 F1FEFFFF              CALL Skittles.004A2E6B
004A2F7A   |.  59                       POP ECX
004A2F7B   |.  834D FC FF               OR [LOCAL.1],FFFFFFFF
004A2F7F   |.  E8 18000000              CALL Skittles.004A2F9C
004A2F84   |.  397D 10                  CMP [ARG.3],EDI
004A2F87   |.  75 21                    JNZ SHORT Skittles.004A2FAA
004A2F89   |.  8935 0CB34E00            MOV DWORD PTR DS:[4EB30C],ESI
004A2F8F   |.  FF75 08                  PUSH [ARG.1]
004A2F92   |.  E8 92FEFFFF              CALL Skittles.004A2E29
004A2F97   |.  33FF                     XOR EDI,EDI
004A2F99   |.  33F6                     XOR ESI,ESI
004A2F9B   |.  46                       INC ESI
004A2F9C   |$  397D 10                  CMP [ARG.3],EDI
004A2F9F   |.  74 08                    JE SHORT Skittles.004A2FA9
004A2FA1   |.  6A 08                    PUSH 8
004A2FA3   |.  E8 A2130000              CALL Skittles.004A434A
004A2FA8   |.  59                       POP ECX
004A2FA9   |>  C3                       RETN
004A2FAA   |>  E8 4C200000              CALL Skittles.004A4FFB
004A2FAF   \.  C3                       RETN
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