global main

section .data
    message db "Hello World!", 0x00

section .text

main:
    call    hello
    ret

hello:
    lea     rdi, [rel message]
    call    puts
    ret
.end:

global main

section .data
    message db "Hello World!", 0x00

section .text

main:
    call    decrypt                              <---------------Addition
    call    hello
    ret

decrypt:                                         <---------------Addition
    DECRYPTOR_SECTION hello, hello.end-hello     <---------------Addition
    ret                                          <---------------Addition

hello:
    lea     rdi, [rel message]
    call    puts
    ret
.end:

.386
.model flat, stdcall
option casemap:none
include masm32includewindows.inc
include masm32includekernel32.inc
includelib kernel32.lib
include masm32includeuser32.inc
includelib user32.lib

.data
Encrypted   db 217,243,234,245,252,249,255,254,183,227,176,228,229
            db 228,255,226,249,241,252,176,254,255,190,162,144

.code
start:
    ;call decrypt
    call hello
    invoke ExitProcess,NULL

; decrypt proc
    ; xor ecx,ecx
    ; complete:
    ; lea esi , Encrypted
    ; add esi,ecx
    ; movzx eax , byte ptr ds:[esi]
    ; xor eax ,090h
    ; mov byte ptr ds:[Encrypted + ecx], al
    ; add ecx,1
    ; cmp byte ptr ds:[Encrypted + ecx - 1 ],0
    ; jne complete
    ; ret
; decrypt endp


hello proc
    invoke MessageBox, NULL,addr Encrypted, addr Encrypted, MB_OK
    ret
hello endp

end start