5 Malware Variants You Should Know

**Executive Summary:** This report analyzes five prevalent malware families—LummaC2, Rust-based stealers, SocGholish, AsyncRAT, and Oyster—detailing recent activity, distribution techniques (phishing, fake updates, malvertising, trojanized software), observed IOCs (domains, filenames, IPs), marketplace trends, and prioritized mitigation and automated response recommendations to reduce credential theft, C2 persistence, and follow-on extortion risk.