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 Post subject: [RE] Video Tutorial - Memory Pattern Scanning
PostPosted: Sat Apr 10, 2010 8:23 pm 
VA Team
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Joined: Mon Jul 07, 2008 8:48 pm
Posts: 286
This is my video tutorial on scanning memory patterns to find addresses in memory that change during recompilation.

Click here for video tutorial

Resources:

The pattern scanning function:
Code:
bool bDataCompare(const BYTE* pData, const BYTE* bMask, const char* szMask)
{
   for(;*szMask;++szMask,++pData,++bMask)
      if(*szMask=='x' && *pData!=*bMask )
         return false;
   return (*szMask) == NULL;
}

DWORD dwFindPattern(DWORD dwAddress,DWORD dwLen, BYTE *bMask, char * szMask) {
   for(DWORD i=0;i<dwLen;i++)
      if( bDataCompare( (BYTE*)( dwAddress+i ),bMask,szMask) )
         return (DWORD)(dwAddress+i);
   return NULL;
}


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