Sigma rule: Potential Credential Dumping Via LSASS SilentProcessExit Technique

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-6c1a74aaffe0, updated 2022-12-19T00:00:00.000Z.

Rule

Title
Potential Credential Dumping Via LSASS SilentProcessExit Technique
Status
test
Level
critical
Author
Florian Roth (Nextron Systems)
Date
2021-02-26
Modified
2022-12-19
File
rules/windows/registry/registry_event/registry_event_silentprocessexit_lsass.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects changes to the Registry in which a monitor program gets registered to dump the memory of the lsass.exe process

Log source

product
windows
category
registry_event

Detection

selection:
    TargetObject|contains: 'Microsoft\Windows NT\CurrentVersion\SilentProcessExit\lsass.exe'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

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

MITRE ATT&CK ids this rule names

Related rules

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/registry/registry_event/registry_event_silentprocessexit_lsass.yml

Sources and licences

  • SigmaHQ

    "Potential Credential Dumping Via LSASS SilentProcessExit Technique" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_event/registry_event_silentprocessexit_lsass.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 SilentProcessExit Technique",
entity page, dataset version ref-6c1a74aaffe0, updated 2022-12-19T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/55e29995-75e7-451a-bef0-6225e2f13597 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 55e29995-75e7-451a-bef0-6225e2f13597, 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.