Possible SCOM RunAs Credential Theft via Access to Common MOMBins Encryption Key

PremiumReviewedSigma · Medium · v1
Product
windows
Category
registry_set
Author
HuntRule
Published
2026-10-17
Updated
2026-10-17

ATT&CK techniques

Cred Access
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects access to the System Center Operations Manager Common registry location holding the MOMBins encryption key used to protect stored RunAs credentials as described by NCC Group. Reading this key enables offline decryption of the SCOM credential store and recovery of privileged service account passwords.

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Possible SCOM RunAs Credential Theft via Access to Common MOMBins Encryption Key
Pivot detection · T1552.001 · 9 related

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