3. theHarvester

Description:

• theHarvester is an OSINT (Open Source Intelligence) tool used to gather information like email addresses, subdomains, and IP addresses from various public sources such as search engines, PGP servers, and social media.

Examples:

• 1. Gather Emails and Subdomains from Google:
     • theHarvester -d example.com -b google

Explanation: Gathers emails, subdomains, and IPs related to the domain example.com using Google as the data source.

• 1. Use Bing as a Data Source:
     • theHarvester -d example.com -b bing -l 500

Explanation: Searches Bing for information related to example.com, retrieving up to 500 results.

• 1. Export Results to a File:
     • theHarvester -d example.com -b google -f report.html

Explanation: Gathers information about example.com and saves the results in an HTML file called report.html.