section .text
global _start, write
write:
mov    al, 1
syscall
ret
_start:
mov    rax, 0x0a68732f6e69622f ; /bin/sh\n
push   rax
xor    rax, rax
mov    rsi, rsp
mov    rdi, 1
mov    rdx, 8
call   write
exit:
xor    rax, rax
mov    rax, 60
syscall