CHAPTER 68. WINDOWS NT CHAPTER 68. WINDOWS NT
$SEHRec$ = -24 ; size = 24
_main PROC
push ebp
mov ebp, esp
push -2
push OFFSET __sehtable$_main
push OFFSET except_handler4
mov eax, DWORD PTR fs:0
push eax
add esp, -20
push ebx
push esi
push edi
mov eax, DWORD PTR _security_cookie
xor DWORD PTR $SEHRec$[ebp+16], eax ; xored pointer to scope table
xor eax, ebp
push eax ; ebp ^ security_cookie
lea eax, DWORD PTR $SEHRec$[ebp+8] ; pointer to VC_EXCEPTION_REGISTRATION_RECORD
mov DWORD PTR fs:0, eax
mov DWORD PTR __$SEHRec$[ebp], esp
mov DWORD PTR _p$[ebp], 0
mov DWORD PTR $SEHRec$[ebp+20], 0 ; previous try level
push OFFSET $SG85485 ; 'hello #1!'
call _printf
add esp, 4
mov eax, DWORD PTR _p$[ebp]
mov DWORD PTR [eax], 13
push OFFSET $SG85486 ; 'hello #2!'
call _printf
add esp, 4
mov DWORD PTR __$SEHRec$[ebp+20], -2 ; previous try level
jmp SHORT $LN6@main
; filter:
$LN7@main:
$LN12@main:
mov ecx, DWORD PTR __$SEHRec$[ebp+4]
mov edx, DWORD PTR [ecx]
mov eax, DWORD PTR [edx]
mov DWORD PTR $T2[ebp], eax
cmp DWORD PTR $T2[ebp], -1073741819 ; c0000005H
jne SHORT $LN4@main
mov DWORD PTR tv68[ebp], 1
jmp SHORT $LN5@main
$LN4@main:
mov DWORD PTR tv68[ebp], 0
$LN5@main:
mov eax, DWORD PTR tv68[ebp]
$LN9@main:
$LN11@main:
ret 0
; handler:
$LN8@main:
mov esp, DWORD PTR __$SEHRec$[ebp]
push OFFSET $SG85488 ; 'access violation, can''t recover'
call _printf
add esp, 4
mov DWORD PTR $SEHRec$[ebp+20], -2 ; previous try level
$LN6@main:
xor eax, eax
mov ecx, DWORD PTR $SEHRec$[ebp+8]
mov DWORD PTR fs:0, ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0