Suspicious Edgecution Native Messaging Host Execution via Edge (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-11-06
Updated
2026-11-06

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 Microsoft Edge spawning a native messaging host batch script named native_host.bat which Edgecution uses to bridge its extension to the Python backdoor. A browser launching this batch based native host is not expected behavior.

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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.