# Hello_iexploit_gretting.s
# Semtex-Primed
.section .data # initialised data
welcome:
	.ascii	\"Hello iExploit\n\"
welcome_end:
greeting:
	.ascii	\"Welcome \"
greeting_end:
gtfo:
	.ascii	\"now GTFO my pc!\n\"
gtfo_end:
	### LENGTHS OF VAR's ###
	.equ	greeting_len, greeting_end - greeting
	.equ	welcome_len, welcome_end - welcome
	.equ	gtfo_len, gtfo_end - gtfo
	### SYSCALLS ###
	.equ	STDOUT, 1
	.equ	STDIN, 2
	.equ	EXIT, 1
	.equ	READ, 3
	.equ	WRITE, 4
	.equ	SYSCALL, 0x80
.section .bss # uninitialised data
	.lcomm	BUFF,100
.section .text
	.globl _start #declaring program starts at '_start'
	##program starts
_start:
	# output welcome msg
	movl	$STDOUT, %ebx
	movl	$welcome, %ecx
	movl	$welcome_len, %edx
	movl	$WRITE, %eax
	int	$SYSCALL

	# read into buffer
	movl	$READ, %eax
	movl	$STDIN, %ebx
	movl	$BUFF, %ecx
	int	$SYSCALL

	# output greeting
	movl	$STDOUT, %ebx
	movl	$greeting, %ecx
	movl	$greeting_len, %edx
	movl	$WRITE, %eax
	int	$SYSCALL

	# output contents of buffer to same line
	movl    $STDOUT, %ebx
        movl    $BUFF, %ecx
        movl    $WRITE, %eax
        int     $SYSCALL

	# gtfo output
	movl    $STDOUT, %ebx
        movl    $gtfo, %ecx
        movl    $gtfo_len, %edx
        movl    $WRITE, %eax
        int     $SYSCALL

	# program exit.
	movl	$0, %ebx
	movl	$EXIT, %eax
	int	$SYSCALL