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APT4, also known as Salmon Typhoon, SODIUM, and Maverick Panda, is a sophisticated Chinese state-affiliated cyber-espionage threat actor. Microsoft has identified overlap between Salmon Typhoon and APT4/Maverick Panda. The actor has conducted intelligence-oriented reconnaissance and technical research, including research on intelligence agencies, regional threat actors, cybersecurity topics, and process-concealment methods on compromised systems. It has also used large language models to translate technical material and assist with coding and code troubleshooting. Salmon Typhoon has been associated with the Win32/Wkysol malware family. Its observed activity is consistent with espionage operations and post-compromise tradecraft intended to support covert access and intelligence collection.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Geographies tied to known operations.
Attributed origin per open-source reporting.
2 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
2 malware families attributed to this actor across reporting.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Used commercial AI to translate technical material, conduct intelligence research, support coding, and research process-concealment techniques on compromised systems.
Referenced only as another threat actor observed using XMRig.
China-linked nation-state threat actor listed in Microsoft's naming taxonomy mapping.
Referenced as a resurgent Chinese espionage group (no specific Pulse Secure tradecraft attributed in this text beyond general resurgence).
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.