example/samples/x86_32_enc.S
main:
CALL cipher_code
CALL msgbox_encrypted_start
CALL cipher_code
RET
cipher_code:
PUSH EBP
MOV EBP, ESP
LEA ESI, DWORD PTR [msgbox_encrypted_start]
LEA EDI, DWORD PTR [msgbox_encrypted_stop]
loop:
XOR BYTE PTR [ESI], 0x42
INC ESI
CMP ESI, EDI
JBE loop
MOV ESP, EBP
POP EBP
RET
msgbox_encrypted_start:
PUSH 0
PUSH title
PUSH msg
PUSH 0
CALL DWORD PTR [ MessageBoxA ]
RET
.dontsplit
msgbox_encrypted_stop:
.long 0
title:
.string "Hello!"
msg:
.string "World!"