ULONG old_NtCreateDebugObject=0;
ULONG ssdt_hook_quanbu_biaozhong(ULONG ssdt_i,ULONG newhanshu)
{
	old_NtCreateDebugObject = KeServiceDescriptorTable.ServiceTableBase[ssdt_i];
   __asm
	{
		cli
			mov		eax, cr0
			and		eax, 0fffeffffh
			mov		cr0, eax
	}
	KeServiceDescriptorTable.ServiceTableBase[ssdt_i] = (unsigned int)newhanshu;
	__asm
	{
		mov		eax, cr0
			or		eax, 010000h
			mov		cr0, eax
			sti
	}
	KdPrint(("ssdt hook 执行完毕\n"));
	return 1;
}
ULONG ssdt_unhook_quanbu_biaozhong(ULONG ssdt_i, ULONG laohanshu)
{
	old_NtCreateDebugObject = KeServiceDescriptorTable.ServiceTableBase[ssdt_i];
	__asm
	{
		cli
			mov		eax, cr0
			and		eax, 0fffeffffh
			mov		cr0, eax
	}
	KeServiceDescriptorTable.ServiceTableBase[ssdt_i] = (unsigned int)laohanshu;
	__asm
	{
		mov		eax, cr0
			or		eax, 010000h
			mov		cr0, eax
			sti
	}
	KdPrint(("ssdt hook 卸载完毕\n"));
	return 1;
}
ULONG hook_entry()
{
	ssdt_hook_quanbu_biaozhong(0x23, (ULONG)NewNtCreateDebugObject);
	return 0;
}
ULONG unhook_entry()
{
	ssdt_hook_quanbu_biaozhong(0x23, old_NtCreateDebugObject);
	return 0;
}