; Program to start the shell on x86 Linux
; Author: illustrissimus

; To build and run:
; nasm -f elf32 -o s32.o s32.asm
; ld -m elf_i386 -o s32 s32.o; strip -s s32
; ./s32

; To inspect:
; objdump -M intel -d s32

global _start

section .text
_start:
	xor	eax, eax
	push	eax        ; "\0"
	push	0x68732f6e ; "hs/n"
	push	0x69622f2f ; "ib//"
	mov	al, 0x0b   ; execve
	mov	ebx, esp   ; pathname -> "//bin/sh"
	xor	ecx, ecx   ; argv = NULL
	xor	edx, edx   ; envp = NULL
	int	0x80