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Could anyone please help to explain what this section of assembly code is doing? If you could help translate it into C, that'd be a
Could anyone please help to explain what this section of assembly code is doing? If you could help translate it into C, that'd be a plus!
08: proc near push Password # Push Password onto stack call_strlen # Call _strlen (eip will now point to this) pop ecx # Pop ecx from stack mov esi, eax # Copy eax to esi (eax = esi) mov ebx, offset sMyPassword # ebx = offset sMyPassword push ebx # Push ebx onto stack call _strlen # Call _strlen (eip will now point to this) pop ecx cmp esi, eax jz short loc_4012B2 xor eax, eax # Jump to loc_4012B2 if ZF = 1 # Clears eax register set return to o # Jump to end_proc jmp short end_proc loc_4012B2: push esi push ebx push Password call _strcmp add esp, a test eax, eax jnz short loc_4012CC mov eax, 1 # Jump to loc_40120C if short has ZF = 0 # Copy 1 into eax () # Jump to end_proc jmp short end_proc loc_4012CC: xor eax, eax # Clears eax register end_proc: pop esi pop ebx pop ebp retn # Return from near procedure endp 08: proc near push Password # Push Password onto stack call_strlen # Call _strlen (eip will now point to this) pop ecx # Pop ecx from stack mov esi, eax # Copy eax to esi (eax = esi) mov ebx, offset sMyPassword # ebx = offset sMyPassword push ebx # Push ebx onto stack call _strlen # Call _strlen (eip will now point to this) pop ecx cmp esi, eax jz short loc_4012B2 xor eax, eax # Jump to loc_4012B2 if ZF = 1 # Clears eax register set return to o # Jump to end_proc jmp short end_proc loc_4012B2: push esi push ebx push Password call _strcmp add esp, a test eax, eax jnz short loc_4012CC mov eax, 1 # Jump to loc_40120C if short has ZF = 0 # Copy 1 into eax () # Jump to end_proc jmp short end_proc loc_4012CC: xor eax, eax # Clears eax register end_proc: pop esi pop ebx pop ebp retn # Return from near procedure endp
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