{"id":"viper","name":"Viper","af_score":53.8,"security_score":40.0,"reliability_score":null,"what_it_does":"An open-source adversary simulation and red team platform covering the full MITRE ATT&CK lifecycle, with 100+ post-exploitation modules, multi-platform implants, LLM-powered automated decision-making, and a visual team dashboard. Positioned as a free alternative to Cobalt Strike.","best_when":"Your team needs a fully-featured, self-hosted C2 and red team platform with AI automation at zero licensing cost.","avoid_when":"You need commercial-grade support, compliance certifications, or integration with enterprise GRC platforms — consider Cobalt Strike or BruteRatel.","last_evaluated":"2026-03-01T09:50:06.370462+00:00"}