FireEye Mandiant SunBurst Countermeasures vs THOR Lite: side-by-side comparison (2026)

FireEye Mandiant SunBurst Countermeasures: FireEye Mandiant SunBurst Countermeasures: freely available rules for detecting malicious files and activity. Built by Google.

THOR Lite: A free, fast, and flexible multi-platform IOC and YARA scanner for Windows, Linux, and macOS.

The table above shows where their features, integrations, deployment and company size fit differ.

Often, yes. FireEye Mandiant SunBurst Countermeasures and THOR Lite are both Detection Engineering products, and both cover IOC, YARA. Key differences: FireEye Mandiant SunBurst Countermeasures is open-source. Use the table above to see where features, deployment and company size fit differ.