'Most advanced' China-linked backdoor ever, Daxin, raises alarms for cyber-espionage investigators

A backdoor in use as recently as November 2021 is the “most advanced piece of malware” ever seen from China-linked spies, according to researchers at Symantec. The cybersecurity company said Monday that the backdoor, dubbed Daxin, is part of “a long-running espionage campaign against select governments and other critical infrastructure targets,” most of them being of strategic interest to China. The malware “appears to be optimized for use against hardened targets, allowing the attackers to burrow deep into a target’s …

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