Web infrastructure

Theory

Practice

shodan : net:"SUBNET/MASK"

zoomeye : IP/MASK

fofa.so

Get the DNS servers, their records, and map the domain: -https://dnsdumpster.com/ IP énumération + response header from domain name: -https://zoomeye.org Find subdomains: -https://findsubdomains.com Find technologies used and versions of a webapp: -https://github.com/urbanadventurer/WhatWeb

Website caching platforms: -https://archive.org/ -https://archive.fo/

Google Analytics:

• The last piece of information that is really interesting is to check if the same Google Analytics / Adsense ID is used in several websites. This technique was discovered in 2015 and is well described here by Bellingcat.

• Certificats?

Using Google Dorks to find subdomains

# find subdomains
site:"something.com"

# without www and subd1
site:"something.com" -www -subd1