Sigma rule: Potential Credential Dumping Via LSASS Process Clone

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b3198ef9221e, updated 2023-03-02T00:00:00.000Z.

Rule

Title
Potential Credential Dumping Via LSASS Process Clone
Status
test
Level
critical
Author
Florian Roth (Nextron Systems), Samir Bousseaden
Date
2021-11-27
Modified
2023-03-02
File
rules/windows/process_creation/proc_creation_win_lsass_process_clone.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a suspicious LSASS process process clone that could be a sign of credential dumping activity

Log source

product
windows
category
process_creation

Detection

selection:
    ParentImage|endswith: '\Windows\System32\lsass.exe'
    Image|endswith: '\Windows\System32\lsass.exe'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.credential-access
  • attack.t1003
  • attack.t1003.001

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/process_creation/proc_creation_win_lsass_process_clone.yml

Sources and licences

  • SigmaHQ

    "Potential Credential Dumping Via LSASS Process Clone" by Florian Roth (Nextron Systems), Samir Bousseaden (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_lsass_process_clone.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: Potential Credential Dumping Via LSASS Process Clone",
entity page, dataset version ref-b3198ef9221e, updated 2023-03-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/c8da0dfd-4ed0-4b68-962d-13c9c884384e (accessed 2026-11-03).
Underlying source: SigmaHQ rule c8da0dfd-4ed0-4b68-962d-13c9c884384e, 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.