China-Linked Hackers Adopt Two-Stage Infection Tactic to Deploy Deuterbear RAT

Cybersecurity researchers have shed more light on a remote access trojan RAT known as Deuterbear used by the China-linked BlackTech hacking group as part of a cyber espionage campaign targeting the Asia-Pacific region this year. "Deuterbear, while similar to Waterbear in many ways, shows...

Tracking the Progression of Earth Hundun's Cyberespionage Campaign in 2024

This report describes how Waterbear and Deuterbear — two of the tools in Earth Hundun's arsenal — operate, based on a campaign from 2024...

Earth Hundun’s Deuterbear Sets Sights on High-Value Sectors

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BlackTech Targets Tech, Research, and Gov Sectors New 'Deuterbear' Tool

Technology, research, and government sectors in the Asia-Pacific region have been targeted by a threat actor called BlackTech as part of a recent cyber attack wave. The intrusions pave the way for an updated version of modular backdoor dubbed Waterbear as well as its enhanced successor referred t...

Cyberespionage Group Earth Hundun's Continuous Refinement of Waterbear and Deuterbear

Our blog entry provides an in-depth analysis of Earth Hundun's Waterbear and Deuterbear malware...