AT&T Alien Labs Open Threat Exchange

Yara Rules by Malgamy

Collection of Yara rules for file identification and classification

URLhaus

A project sharing malicious URLs used for malware distribution to help protect networks.

DNSDumpster

DNSDumpster is a domain research tool for discovering and analyzing DNS records to map an organization's attack surface.

HoneyDB

HoneyDB is a honeypot-based threat intelligence platform that provides real-time insights into attacker behavior and malicious activity on networks.

Cyber Threat Hunting

A collection of tools and resources for threat hunters.

Binary Defense IP Banlist

A free threat intelligence feed and banlist feed of known malicious IP addresses for public use only.

Hostintel

Collect various intelligence sources for hosts in CSV format.

Hiryu

A visualization tool for threat analysis that organizes APT campaign information and visualizes relations of IOC.