TrailBlazer can masquerade its C2 traffic as legitimate Google Notifications HTTP requests.2
tool
TrailBlazer S0682
- Type
- malware
- Platform
- Windows
- Created
- 8 February 2022
- Last modified
- 16 April 2025
TrailBlazer is a modular malware that has been used by APT29 since at least 2019.[1]
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0682
TrailBlazer has used random identifier strings to obscure its C2 operations and result codes.3
TrailBlazer has used filenames that match the name of the compromised system in attempt to avoid detection.4
TrailBlazer has used HTTP requests for C2.5
TrailBlazer has the ability to use WMI for persistence.6
Standing S0682
Reach is how much of ATT&CK this tool touches. Coverage is how well defended each thing it does is, as a median per technique rather than a total — a total would just restate the reach. Each figure is ranked against all 825 ATT&CK software entries only where that population actually spreads. Where most of the population shares one value, a percentile would rank the tie instead of the entity, so the raw value is shown and no rank is claimed.
Reach
23rd percentile · 77% of 825 ATT&CK software entries have more Enterprise techniques.
32nd percentile · 68% of 825 ATT&CK software entries have more tactics spanned.
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
85% of the population shares a single value across only 8 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
34th percentile · 66% of 825 ATT&CK software entries have more detection rules per technique.
Detection coverage S0682
126 distinct rules cover the 5 techniques recorded for this tool. The 127 technique-to-rule mappings resolve to 126 distinct rules, because one rule can cover several techniques. 94 Sigma · 32 Splunk.
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