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[C#] Converting

 
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Pingo
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PostPosted: Sun Feb 14, 2010 8:44 am    Post subject: [C#] Converting Reply with quote
Im trying to convert an address (0055E2A4) to 43 df 15 00
Just like CE memory viewer reads it.
0040035C - e9 43 df 15 00 - jmp 0055e2a4

Im able to write the bytes but cant convert it first.
I need to do this because of different versions, the address i jump to changes.
Also the app scans for the address first so i wouldnt know where to jump untill its found and converted.

Thanks if anyone can help
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Deltron Z
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PostPosted: Mon Feb 15, 2010 2:52 am    Post subject: Reply with quote
Little Endian - it's actually 0x0015DF43. since a JMP is relative, add the address 0x0040035C to it plus 5 bytes. (length of a far-jump instruction)
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Pingo
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PostPosted: Mon Feb 15, 2010 7:59 am    Post subject: Reply with quote
I'll still need to conver it first. 0040035C is just a codecave.
Hex to array of bytes but everything i try just just seperates it.
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Anden100
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PostPosted: Mon Feb 15, 2010 8:38 am    Post subject: Reply with quote
Pingo wrote:
I'll still need to conver it first. 0040035C is just a codecave.
Hex to array of bytes but everything i try just just seperates it.


Code:
DWORD converted = (*(DWORD*)0x0040035C)+0x0040035C+5;


or ReadProcessMemory if you would like:

Code:
DWORD converted = 0;
ReadProcessMemory(hProcess, 0x0040035C, &converted , 4, NULL);
converted += 0x0040035C + 5;


In CE, go to the memory address in Hex View, right click-> Display Type-> 4 Byte Hex
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