Suspicious Python Execution from WebDAV Share via PowerShell (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-07-22
Updated
2026-08-28

ATT&CK techniques

Execution → Lateral Movement
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  5. Priv Esc

  6. Defense Evasion

  7. Cred Access

  8. Discovery

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects python.exe spawned by PowerShell while referencing a remote WebDAV share path in its command line. The Voldemort espionage campaign ran Python directly from mounted TryCloudflare WebDAV shares to load its backdoor without local staging.

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