TRAILBLAZE
Essential information
- Confidence
- 75/100
- Is family
- Yes
- Published
- 14/04/2026 14:48
- Modified
- 04/05/2026 16:31
- Revoked
- No
- Author / Source
- The MITRE Corporation
- Related entities
- 4 attack patterns (mitre)
Description
[TRAILBLAZE](https://attack.mitre.org/software/S9012) is an in-memory dropper used to deploy the passive backdoor [BRUSHFIRE](https://attack.mitre.org/software/S9011). 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. (Citation: Dragos SYLVANITE MuddyWater Electrum March 2026)(Citation: Google UNC5221 Ivanti April 2025)(Citation: Picus Security UNC5221 Ivanti May 2025)
Marking (TLP)
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