Intrusion setG0027

Threat Group-3390

Also tracked as Earth Smilodon, TG-3390, Emissary Panda, BRONZE UNION, APT27, Iron Tiger, LuckyMouse, Linen Typhoon

Threat Group-3390 is a Chinese threat group that has extensively used strategic Web compromises to target victims. The group has been active since at least 2010 and has targeted organizations in the aerospace, government, defense, technology, energy, manufacturing and gambling/betting sectors.

Documented techniques
57
Assessed origin
China
First seen
2010
Basis
MITRE ATT&CK

How they break in

Techniques MITRE has documented this group using, grouped by the stage of an attack they belong to. This is the actionable half: each one is a behaviour you can look for in your own logs, and a control you can test.

Malware

Families MITRE records this group deploying. Detection names for these are a reasonable place to start.

ASPXSpyChina ChopperClamblingCobalt StrikeHTTPBrowserHyperBroPandoraPlugXRCSessionSysUpdateZxShellgh0st RAT

Tools

Legitimate or dual-use software the group is documented using. Most of it is software your own administrators use too, which is the point.

ImpacketMimikatzNBTscanNetSysteminfoTasklistWindows Credential Editorcertutilgsecdumpipconfignetstatpwdump
Source: MITRE ATT&CK View the original record · Last synchronised 2026-09-09 · Origin and motivation are read from MITRE’s own description and are not structured fields in ATT&CK. Where the text does not attribute a group, this page leaves them blank rather than guessing.