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Nation-state APTIdeologyAdvanced sophistication · State-backed

UNC5221

UNC5221 is a China-attributed nation-state APT group with an ideological motive, tracked by Brandefense. It targets 4 sectors, including Government and Technology, in 9 countries, including the United States and India. It uses 29 MITRE ATT&CK techniques and exploits 4 known CVEs.

Also known as
  • UTA0178
Origin
China
Techniques
29
Exploited CVEs
4
First seen
Apr 4, 2025
Last seen
Dec 5, 2025
Record updated

Who They Target.

Labelsbdef-qf:latestespionageglobal

About UNC5221.

Activity cluster linked by Google Threat Intelligence Group to suspected Chinese hackers, known for exploiting Ivanti zero-days to target government agencies with custom Spawnant and Zipline malware.

Last updated Sep 11, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.