Footprinting

1. Techniques

1.1. DNS enumeration

• nslookup

• dig

• host

• dnsenum

• dnsrecon

1.2. Network scanning

• Nmap

• Nessus

• Metasploit

1.3. OS fingerprinting

• Nmap

• p0f

• xprobe2

1.4. Application fingerprinting

• Nikto

• Wappalyzer

• WhatWeb

1.5. User enumeration

• Hydra

• Medusa

• John the Ripper

1.6. Social engineering

• Phishing

• Vishing

• Baiting

• Quid pro quo

• Typosquatting