Find deeper subdomains by automating the scanning of all found third level subdomains with Sublist3r

deepersubs.sh

#!/bin/bash

# This script automates running Sublist3r against all third-level subdomains.

mkdir thirdlevels

echo "Gathering full third-level domains with Sublist3r..."
for domain in $(cat third-level.txt); do sublist3r -d $domain -o thirdlevels/$domain.txt; cat thirdlevels/$domain.txt |sort -u >> final.txt;

echo "Probing for alive third-levels..."
cat final.txt | httprobe > probed.txt