Suspicious Svchost Spawned by Non-Services Parent (via process_creation)

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-05-02
Updated
2026-08-28

ATT&CK techniques

Priv Esc → Defense Evasion
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  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 svchost.exe launched by a parent other than the Windows Service Control Manager services.exe. Legitimate svchost instances are started by services.exe so any other parent suggests masquerading or code injected into a fake svchost. An anomalous svchost ancestry is a well-known indicator of process masquerading and injection.

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Pivot detection · T1055 · 9 related

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