New MODBEACON RAT Uses gRPC Streaming for Encrypted C2 Traffic

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

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id: 1956
uid: 6uqTo
insdate: 2026-07-10 14:10:11
title: New MODBEACON RAT Uses gRPC Streaming for Encrypted C2 Traffic
additional: 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
category: Cybersecurity
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