MITRE ATT&CK / Software / S9012

TRAILBLAZE

ID
S9012
Type
Malware
Platforms
Linux, Network Devices
Source
attack.mitre.org
MITRE last modified
23 Apr 2026

TRAILBLAZE is an in-memory dropper used to deploy the passive backdoor BRUSHFIRE. First reported in March 2025, TRAILBLAZE has been observed in operations attributed to People's Republic of China (PRC) state-sponsored affiliated actors, including UNC5221 and SYLVANITE. [1][2][3]

Techniques used (4)

References

  1. Dragos SYLVANITE MuddyWater Electrum March 2026
  2. Google UNC5221 Ivanti April 2025
  3. Picus Security UNC5221 Ivanti May 2025