New MODBEACON RAT Uses gRPC Streaming for Encrypted C2 Traffic

1Key Takeaways

• The China-linked cybercrime group known as Silver Fox has been attributed to a new Rust-based remote access trojan (RAR) called MODBEACON.
• Chinese cybersecurity company QiAnXin said that while the threat cluster may appear like a low-sophistication, high-activity operation that propagates malware via counterfeit installers using SEO poisoning techniques, it belies their true organizational.