Sigma rule: Potential Persistence Via Logon Scripts - CommandLine

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-6b9f9da88dfb, updated 2023-06-09T00:00:00.000Z.

Rule

Title
Potential Persistence Via Logon Scripts - CommandLine
Status
test
Level
high
Author
Tom Ueltschi (@c_APT_ure)
Date
2019-01-12
Modified
2023-06-09
File
rules/windows/process_creation/proc_creation_win_registry_logon_script.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the addition of a new LogonScript to the registry value "UserInitMprLogonScript" for potential persistence

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains: 'UserInitMprLogonScript'
condition: selection

False positives (as the rule lists them)

  • Legitimate addition of Logon Scripts via the command line by administrators or third party tools

Tags

  • attack.privilege-escalation
  • attack.persistence
  • attack.t1037.001

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/process_creation/proc_creation_win_registry_logon_script.yml

Sources and licences

  • SigmaHQ

    "Potential Persistence Via Logon Scripts - CommandLine" by Tom Ueltschi (@c_APT_ure) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_registry_logon_script.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 Persistence Via Logon Scripts - CommandLine",
entity page, dataset version ref-6b9f9da88dfb, updated 2023-06-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/21d856f9-9281-4ded-9377-51a1a6e2a432 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 21d856f9-9281-4ded-9377-51a1a6e2a432, 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.