Sigma rule: User Couldn't Call a Privileged Service 'LsaRegisterLogonProcess'

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-fcbb0ee20ded, updated 2022-12-25T00:00:00.000Z.

Rule

Title
User Couldn't Call a Privileged Service 'LsaRegisterLogonProcess'
Status
test
Level
high
Author
Roberto Rodriguez (source), Ilyas Ochkov (rule), oscd.community
Date
2019-10-24
Modified
2022-12-25
File
rules/windows/builtin/security/win_security_user_couldnt_call_priv_service_lsaregisterlogonprocess.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

The 'LsaRegisterLogonProcess' function verifies that the application making the function call is a logon process by checking that it has the SeTcbPrivilege privilege set. Possible Rubeus tries to get a handle to LSA.

Log source

product
windows
service
security

Detection

selection:
    EventID: 4673
    Service: 'LsaRegisterLogonProcess()'
    Keywords: '0x8010000000000000'     # failure
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.credential-access
  • attack.lateral-movement
  • attack.privilege-escalation
  • attack.t1558.003

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_user_couldnt_call_priv_service_lsaregisterlogonprocess.yml

Sources and licences

  • SigmaHQ

    "User Couldn't Call a Privileged Service 'LsaRegisterLogonProcess'" by Roberto Rodriguez (source), Ilyas Ochkov (rule), oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_user_couldnt_call_priv_service_lsaregisterlogonprocess.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: User Couldn't Call a Privileged Service 'LsaRegisterLogonProcess'",
entity page, dataset version ref-fcbb0ee20ded, updated 2022-12-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/6daac7fc-77d1-449a-a71a-e6b4d59a0e54 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 6daac7fc-77d1-449a-a71a-e6b4d59a0e54, 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.