China-Linked TA416 Targets European Governments with PlugX and OAuth-Based Phishing
Apr 03, 2026
Malware / Cyber Espionage
A China-aligned threat actor has set its sights on European government and diplomatic organizations since mid-2025, following a two-year period of minimal targeting in the region. The campaign has been attributed to TA416 , a cluster of activity that overlaps with DarkPeony, RedDelta, Red Lich, SmugX, UNC6384, and Vertigo Panda. "This TA416 activity included multiple waves of web bug and malware delivery campaigns against diplomatic missions to the European Union and NATO across a range of European countries," Proofpoint researchers Mark Kelly and Georgi Mladenov said . "Throughout this period, TA416 regularly altered its infection chain, including abusing Cloudflare Turnstile challenge pages, abusing OAuth redirects, and using C# project files, as well as frequently updating its custom PlugX payload." TA416 has also been observed orchestrating multiple campaigns aimed at diplomatic and government entities in the Middle East following the outbreak...