Sigma rule: Possible Impacket SecretDump Remote Activity

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-4b178c97b7f6, updated 2022-08-11T00:00:00.000Z.

Rule

Title
Possible Impacket SecretDump Remote Activity
Status
test
Level
high
Author
Samir Bousseaden, wagga
Date
2019-04-03
Modified
2022-08-11
File
rules/windows/builtin/security/win_security_impacket_secretdump.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detect AD credential dumping using impacket secretdump HKTL

Log source

product
windows
service
security
definition
The advanced audit policy setting "Object Access > Audit Detailed File Share" must be configured for Success/Failure

Detection

selection:
    EventID: 5145
    ShareName: '\\\\\*\\ADMIN$'  # looking for the string  \\*\ADMIN$
    RelativeTargetName|contains|all:
        - 'SYSTEM32\'
        - '.tmp'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.credential-access
  • attack.t1003.002
  • attack.t1003.004
  • attack.t1003.003

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_impacket_secretdump.yml

Sources and licences

  • SigmaHQ

    "Possible Impacket SecretDump Remote Activity" by Samir Bousseaden, wagga (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_impacket_secretdump.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Possible Impacket SecretDump Remote Activity",
entity page, dataset version ref-4b178c97b7f6, updated 2022-08-11T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/252902e3-5830-4cf6-bf21-c22083dfd5cf (accessed 2026-11-03).
Underlying source: SigmaHQ rule 252902e3-5830-4cf6-bf21-c22083dfd5cf, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.