for qpt ;)

#include <stdio.h>
#include <windows.h>

unsigned int filesize=0;
unsigned int patch_offset=0;
BYTE* file_buffer=0;

int main()
{
    DWORD high=0;
    HANDLE hFile=CreateFileA("Security.dll", GENERIC_ALL, 0, 0, OPEN_EXISTING, 0, 0);
    filesize=GetFileSize(hFile, &high);
    long allocated=(long)VirtualAlloc(VirtualAlloc(0, filesize, MEM_RESERVE, PAGE_EXECUTE_READWRITE), filesize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
    ReadFile(hFile, (void*)allocated, filesize, &high, 0);
    CloseHandle(hFile);
    file_buffer=(BYTE*)allocated;
    for(unsigned int i=0; i<filesize; i++) //Pattern: 11 22 33 44 55 66 77 88 99 ?? BB ?? ?? EE FF
    {
        if(file_buffer[i]==0x11)
        {
            if(file_buffer[i+1]==0x22)
            {
                if(file_buffer[i+2]==0x33)
                {
                    if(file_buffer[i+3]==0x44)
                    {
                        if(file_buffer[i+4]==0x55)
                        {
                            if(file_buffer[i+5]==0x66)
                            {
                                if(file_buffer[i+6]==0x77)
                                {
                                    if(file_buffer[i+7]==0x88)
                                    {
                                        if(file_buffer[i+8]==0x99)
                                        {
                                            if(file_buffer[i+10]==0xBB)
                                            {
                                                if(file_buffer[i+13]==0xEE)
                                                {
                                                    if(file_buffer[i+14]==0xFF)
                                                    {
                                                        patch_offset=i;
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    if(!patch_offset)
        puts("Pattern not found, maybe the version is too new/old..\n");
    else
        printf("Raw patch offset: %08X\n\n", patch_offset);
    system("pause");

    //patching:
    char patch_data[10]={0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0x00};
    memcpy((void*)patch_offset+file_buffer, (void*)patch_data, 10);

    //write a new file here (no time)

    return 0;
}