Malicious Dire Wolf Ransomware Encrypted File Extension on Disk (via file_event)

ATT&CK techniques

Impact

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
- T1486Data Encrypted for Impact

What it detects

This rule detects files being renamed with the direwolf extension appended by Dire Wolf ransomware during encryption, indicating an active ransomware detonation on the host.

Reporting behind it

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Malicious Dire Wolf Ransomware Encrypted File Extension on Disk (via file_event)

Pivot detection · T1486 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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