FireEye's Red Team Tool Countermeasures
Snort and YARA rules to detect attacks using FireEye's red team tools, released after their 2020 breach disclosure.
What is FireEye's Red Team Tool Countermeasures?
FireEye Red Team Tool Countermeasures is a collection of security detection rules (Snort, YARA, ClamAV, HXIOC) designed to identify attacks that utilize FireEye's own red team tools. These tools were exposed in a 2020 breach, and this repository helps organizations detect potential malicious activity involving them. It provides both production-ready rules and supplemental rules for threat hunting.
Security operations teams, threat hunters, and incident responders who monitor networks with Snort, YARA, ClamAV, or HXIOC systems and need to detect attacks using FireEye's compromised red team tools.
It offers officially created detection rules from FireEye themselves, ensuring accurate signatures for their own tools, and is freely available to the community as a proactive measure following their security breach.
Overview
This repository provides a collection of security detection rules created by FireEye to help organizations identify malicious activity involving their own red team tools, which were compromised in a 2020 breach. These rules enable security teams to detect potential attacks using those tools across various security monitoring platforms.
Key Features
- Multi-Platform Rules — Includes detection rules for Snort, YARA, ClamAV, and HXIOC security systems.
- Production & Supplemental Rules — Categorized into production-ready rules and supplemental rules requiring environment-specific tuning.
- Threat Hunting Support — Supplemental rules are designed for proactive hunting workflows.
- Community Resource — Freely provided to the security community without warranty.
Philosophy
FireEye released these countermeasures transparently to help the broader security community defend against potential misuse of their compromised tools, emphasizing shared responsibility in threat detection.
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