Google Hacking
Google search to find website sub domains
site:microsoft.com
Google filetype, and intitle
intitle:"netbotz appliance" "OK" -filetype:pdf
Google inurl
inurl:"level/15/sexec/-/show"
Google Hacking Database:
https://www.exploit-db.com/google-hacking-database/
SSL Certificate Testing
https://www.ssllabs.com/ssltest/analyze.html
Email Harvesting
Simply Email
git clone https://github.com/killswitch-GUI/SimplyEmail.git
./SimplyEmail.py -all -e TARGET-DOMAIN
Netcraft
Determine the operating system and tools used to build a site
https://searchdns.netcraft.com/
Whois Enumeration
whois domain-name-here.com
whois $ip
Banner Grabbing
nc -v $ip 25
telnet $ip 25
nc TARGET-IP 80
Recon-ng - full-featured web reconnaissance framework written in Python
cd /opt; git clone https://LaNMaSteR53@bitbucket.org/LaNMaSteR53/recon-ng.git
cd /opt/recon-ng
./recon-ng
show modules
help