Top 3 threathunting open source projects

Threat Pursuit Virtual Machine (VM): A fully customizable, open-sourced Windows-based distribution focused on threat intelligence analysis and hunting designed for intel and malware analysts as well as threat hunters to get up and running quickly.

This little tool is to calculate a MurmurHash value of a favicon to hunt phishing websites on the Shodan platform.

The FASTEST way to consume threat intel.