Malicious Secretdump Password Dumping via SMB Admin Share (via security)

PremiumReviewedSigma · High · v1
Product
windows
Service
security
Author
HuntRule
Published
2026-08-11
Updated
2026-08-28

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 execute Secretdump in order to remotely dump credentials over SMB.

Related detections9 linkedT1003.002 — drag to rearrange
Malicious Registry Hive Dump of SAM or SYSTEM via Reg Save (via process_creation)
Malicious Credential Hive Copy from Volume Shadow Copy
Malicious Registry Hive Dump of SAM and SYSTEM via Reg Save (via process_creation)
Suspicious SAM Registry Hive Dump to Windows Temp by BianLian
Malicious SAM and SYSTEM Hive Dump via reg save (via process_creation)
Malicious Mimikatz Credential Access Module Invocation
Malicious SYSTEM Registry Hive Dump via reg.exe by Sandworm
Suspicious Registry SYSTEM Hive Dump via Reg Save (via process_creation)
Malicious SAM and SYSTEM Hive Dump via reg save
Malicious Secretdump Password Dumping via SMB Admin Share (via 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.