; obfuscation via unaligned instructions
bits 64

%idefine rip rel $

    SECTION .data
; empty

    SECTION .text

global _start
_start:
    %include "header.asm.inc"

    xor rax, rax

    ; stores address of subsequent instruction to rax
    call getpc
    add rax, 8
    jmp rax

;; this is the original assembly we'd like to include here
;  400081:       48 31 c0                xor    rax,rax
;  400084:       b9 0a 00 00 00          mov    ecx,0xa
;  400089:       48 01 c8                add    rax,rcx
;  40008c:       e2 fb                   loop   0x400089
; finish all unused bytes with NOPs (0x90).
; note, though, that the NOPs are never entered
    mov rax, 0x90909005ebc03148
    mov rbx, 0x9003eb0000000ab9
    mov rcx, 0x909090fbe2c80148

    %include "sysexit.asm.inc"

getpc:
    mov     rax, [rsp]
    ret