Malicious Registry Hive Dump via reg save of SAM SYSTEM SECURITY

PremiumReviewedSigma · High · v1
Category
process_creation
Author
HuntRule
Published
2026-09-18
Updated
2026-09-18

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 reg.exe being used to export the SAM, SYSTEM, or SECURITY registry hives to disk, a classic offline credential-dumping step. Attackers copy these hives to extract local account password hashes and LSA secrets away from the live system.

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Malicious Registry Hive Dump via reg save of SAM SYSTEM SECURITY
Pivot detection · T1003.002 · 9 related

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