Suspicious PowerShell Execution of TrainedDataStore Script

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-24
Updated
2026-09-24

ATT&CK techniques

Execution
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  5. Priv Esc

  6. Defense Evasion

  7. Cred Access

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects PowerShell executing a script named TrainedDataStore.ps1, associated with the P.S. Olala tooling used by the BladedFeline group. Execution of this specifically named script indicates attacker PowerShell tradecraft used for command execution and post-compromise activity.

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Pivot detection · T1059.001 · 9 related

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