VirtualBox HardDiskInfo Trick

//http://waleedassar.blogspot.com
//http://www.twitter.com/waleedassar
#include "stdafx.h"
#include "windows.h"
#include "stdio.h"
#include "winioctl.h"

#define IOCTL_STORAGE_QUERY_PROPERTY \
  CTL_CODE(IOCTL_STORAGE_BASE, 0x0500, METHOD_BUFFERED, FILE_ANY_ACCESS)

void AllToUpper(unsigned char* str,unsigned long len)
{
        for(unsigned long c=0;c<len;c++)
        {
                if(str[c]>='a' && str[c]<='z')
                {
                        str[c]-=32;
                }
        }
}
unsigned char* ScanDataForString(unsigned char* data,unsigned long data_length,unsigned char* string2)
{
        unsigned long string_length=(unsigned long)strlen((char*)string2);
        for(unsigned long i=0;i<=(data_length-string_length);i++)
        {
                if(strncmp((char*)(&data[i]),(char*)string2,string_length)==0) return &data[i];
        }
        return 0;
}
void main()
{
    HANDLE hF=0;
    unsigned char name[0x100];
    for(unsigned long i=0;i<0xA;i++)
    {
        unsigned char x[0x2]={0};
        memset((void*)name,0,0x100);
        strcpy((char*)name,"\\\\.\\PhysicalDrive");
        x[0]=i+48;
        strcat((char*)name,(char*)(&x[0]));
        hF=CreateFile((char*)name,GENERIC_READ,FILE_SHARE_READ|FILE_SHARE_WRITE,0,OPEN_EXISTING,0,0);
        if(hF!=INVALID_HANDLE_VALUE)
        {
            unsigned char inbuf[0xC]={0};
            unsigned char* outbuf=(unsigned char*)LocalAlloc(LMEM_ZEROINIT,0x3000);
            unsigned long ret=0;
            if(DeviceIoControl(hF,IOCTL_STORAGE_QUERY_PROPERTY,&inbuf[0],0xC,outbuf,0x3000,&ret,0))
            {
                AllToUpper(outbuf,0x3000);
                if(ScanDataForString(outbuf,0x3000,(unsigned char*)"VBOX") ||
                    ScanDataForString(outbuf,0x3000,(unsigned char*)"VIRTUALBOX") )
                {
                    MessageBox(0,"VirtualBox detected!","waliedassar",0);
                    ExitProcess(0);
                }
            }
            LocalFree(outbuf);
        }
    }
}