BYTE bToggle = 0x00;
BYTE SteamIdCode[33] = 
{
   0x68, 0xFF, 0xFF, 0xFF, 0xFF,
   0x8D, 0x4C, 0x24, 0x0C,
   0xE8, 0xFF, 0xFF, 0xFF, 0xFF,
   0x8D, 0x5C, 0x24, 0x04,
   0xE8, 0xFF, 0xFF, 0xFF, 0xFF,
   0x83, 0x7C, 0x24, 0x1C, 0x10,
   0xA3, 0xFF, 0xFF, 0xFF, 0xFF,
};

bool CompareMemory(LPCBYTE bAddress, LPCBYTE bCode, int Size)
{
   for(int i=0; i<Size; i++, bCode++, bAddress++)
   {
      if((*bAddress != *bCode) && (*bCode != 0xFF))
         return false;
   }
   return true;
}

DWORD FindCodeAddress(DWORD dwStart, DWORD dwEnd, LPBYTE bCode, int CodeSize, int OpcodeNum)
{
   for(DWORD d=dwStart; (d+CodeSize) < dwEnd; d++)
   {
      if( CompareMemory((LPBYTE)d, bCode, CodeSize))
         return (DWORD)(d+OpcodeNum);
   }
   return 0xFFFFFFFF;
}

void APIENTRY New_wglSwapBuffers (HDC hDC)
{

   if( !( GetKeyState( VK_NUMPAD1 ) < 0 ) )
   bToggle = 0x00;
   else { if( !bToggle ) 
   { 

DWORD StartAddress = NULL;

      while( !StartAddress ){StartAddress = (DWORD)GetModuleHandleA( "steamclient.dll" );}

      DWORD DLL_SIZE = (DWORD)0x66000; //( 417792 in decimal )

      DWORD SteamId = *(PDWORD)FindCodeAddress( StartAddress, StartAddress + DLL_SIZE, SteamIdCode, 33, 29 ); 

      __int32* pSteamId = (__int32*)SteamId;

      /* initialize random seed: */
      srand ( (UINT)time(NULL) );

      /* generate secret number: */
      __int32 NewId = rand() % 999999999 + 333333333;

      *pSteamId = NewId;

      FlushInstructionCache( GetCurrentProcess(), pSteamId, 4 );

   bToggle = 0x01; } }

   d_wglSwapBuffers(hDC);
}