Suspicious Restic Backup Exfiltration to Remote Repository via Command Line

ATT&CK techniques

Collection

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
- T1560.001Archive via Utility
C2
Exfiltration
Impact

What it detects

This rule detects the restic backup tool being used to push a backup to a remote REST repository, a data-exfiltration technique in the Nitrogen 2.0 campaign preceding ALPHV/BlackCat ransomware. Attackers repurpose the legitimate backup utility to stage collected data offsite. Detecting restic backup commands surfaces exfiltration before encryption.

Reporting behind it

Related detections9 linkedT1560.001 — drag to rearrange

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Suspicious macOS Data Staging via ditto to Temp Archive in Attacker Directory (via process_creation)

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Suspicious VOLTZITE Single-Character Named ZIP Exfil Staging (via file_event)

Suspicious Restic Backup Exfiltration to Remote Repository via Command Line

Pivot detection · T1560.001 · 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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