Malicious Shadow Copy Deletion via WMIC via Process Creation (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-10-23
Updated
2026-10-23

ATT&CK techniques

Execution → Impact
  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

What it detects

This rule detects WMIC being used to enumerate and delete Volume Shadow Copies, an inhibit-recovery step performed before encryption in the Confluence exploitation ransomware intrusion reported by Red Canary. Removing shadow copies prevents victims from restoring encrypted files, so this command is a strong precursor to imminent ransomware detonation.

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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.