Sigma rule: Remote LSASS Process Access Through Windows Remote Management

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b64f866d1224, updated 2023-11-29T00:00:00.000Z.

Rule

Title
Remote LSASS Process Access Through Windows Remote Management
Status
stable
Level
high
Author
Patryk Prauze - ING Tech
Date
2019-05-20
Modified
2023-11-29
File
rules/windows/process_access/proc_access_win_lsass_remote_access_trough_winrm.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects remote access to the LSASS process via WinRM. This could be a sign of credential dumping from tools like mimikatz.

Log source

product
windows
category
process_access

Detection

selection:
    TargetImage|endswith: '\lsass.exe'
    SourceImage|endswith: ':\Windows\system32\wsmprovhost.exe'
filter_main_access:
    GrantedAccess: '0x80000000'
condition: selection and not 1 of filter_main_*

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.credential-access
  • attack.execution
  • attack.t1003.001
  • attack.t1059.001
  • attack.lateral-movement
  • attack.t1021.006
  • attack.s0002

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_access/proc_access_win_lsass_remote_access_trough_winrm.yml

Sources and licences

  • SigmaHQ

    "Remote LSASS Process Access Through Windows Remote Management" by Patryk Prauze - ING Tech (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_access/proc_access_win_lsass_remote_access_trough_winrm.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: Remote LSASS Process Access Through Windows Remote Management",
entity page, dataset version ref-b64f866d1224, updated 2023-11-29T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/aa35a627-33fb-4d04-a165-d33b4afca3e8 (accessed 2026-11-03).
Underlying source: SigmaHQ rule aa35a627-33fb-4d04-a165-d33b4afca3e8, 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.