Suspicious Security Event Log Harvesting for Logon Events via wevtutil

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-10-28
Updated
2026-10-28

ATT&CK techniques

Discovery
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects wevtutil.exe querying the Security log for logon event ID 4624, a technique used by China-linked actors to map account and host activity from harvested authentication records during a US intrusion.

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