Suspicious PowerShell Compress-Archive of Signal Configuration by Turla (via ps_script)

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 PowerShell using Compress-Archive to package Signal configuration and database files, the collection step Turla performed to stage Signal data for exfiltration. Archiving a specific messaging application data directory indicates targeted collection of private communications.

Reporting behind it

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Suspicious PowerShell Compress-Archive of Signal Configuration by Turla (via ps_script)

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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