Malicious Akira Ransomware Ransom Note Creation

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 creation of the Akira ransomware ransom note akira_readme.txt on disk. Akira writes this note across encrypted directories as part of its extortion workflow. Ransom note creation confirms active or completed encryption on the host and demands immediate response.

Reporting behind it

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Malicious Akira Ransomware Ransom Note Creation

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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