ReadProcessMemory

vector<DWORD> scan_vec;

void ScanMemory(DWORD dwValue)
{
    DWORD dwBuffer[1024]; 
    DWORD dwMax = 0x7FFFEFFF;
    DWORD dwAddr = 0x400000;
    DWORD dwFound;

    scan_vec.clear();
   
    while(dwAddr < dwMax)
    {
        ReadProcessMemory(hProcess, (void*)dwAddr, &dwBuffer, 4096, NULL);

        for(int i=0; i<1024; ++i)
        {
            if(dwValue == dwBufferr[i])
            {
                dwFound = dwAddr + i*4;              
                scan_vec.push_back(dwFound);
            }
        }

       dwAddr += 4096;
    } 
}