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Auto Assemble code doesn't compile

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jamesrussel
How do I cheat?

Reputation: 0

Joined: 30 May 2013
Posts: 4

Posted: Thu Jun 06, 2013 4:13 am Post subject: Auto Assemble code doesn't compile

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I'm trying to inject this code into memory:

Code:

alloc(GetXCoordAddress,64)
alloc(XCoordAddress,8)
label(returnOriginal)

0C8D3D2F:
jmp GetXCoordAddress //jump to the function
returnOriginal: //label to return to the injection point

GetXCoordAddress:
movq [XCoordAddress],[ecx+10] //move the address into XCoordAddress
movq xmm0,[ecx+10] //execute the overwritten code
jmp returnOriginal //return to normal execution

But it tells me "Error in line 10 (movq [00000000],[ecx+10]) :This instruction can't be compiled"

Whenever I comment out movq [XCoordAddress],[ecx+10], it works fine. Any idea why?

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daspamer
Grandmaster Cheater Supreme

Reputation: 54

Joined: 13 Sep 2011
Posts: 1588

Posted: Thu Jun 06, 2013 7:42 am Post subject:

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You can't do it like this..
But you can do this:

Code:

alloc(GetXCoordAddress,64)
alloc(XCoordAddress,8)
label(returnOriginal)

0C8D3D2F:
jmp GetXCoordAddress
returnOriginal:

GetXCoordAddress:]
movq xmm0,[ecx+10]
movq [XCoordAddress],xmm0
movq xmm0,[ecx+10]
jmp returnOriginal

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Dark Byte
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Reputation: 471

Joined: 09 May 2003
Posts: 25855
Location: The netherlands

Posted: Thu Jun 06, 2013 8:47 am Post subject:

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I think he wants the address of ecx+10
So something like this: (without using an extra register)

Code:

Mov [XCoordAddress], ecx
Add [XCoordAddress], 10

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jamesrussel
How do I cheat?

Reputation: 0

Joined: 30 May 2013
Posts: 4

Posted: Sat Jun 08, 2013 2:41 am Post subject:

Thanks, Dark Byte's code did what I needed.

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