Sigma rule: Non-privileged Usage of Reg or Powershell

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-76a8ef73862d, updated 2024-12-01T00:00:00.000Z.

Rule

Title
Non-privileged Usage of Reg or Powershell
Status
test
Level
high
Author
Teymur Kheirkhabarov (idea), Ryan Plas (rule), oscd.community
Date
2020-10-05
Modified
2024-12-01
File
rules/windows/process_creation/proc_creation_win_susp_non_priv_reg_or_ps.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Search for usage of reg or Powershell by non-privileged users to modify service configuration in registry

Log source

product
windows
category
process_creation

Detection

selection_cli:
    - CommandLine|contains|all:
          - 'reg '
          - 'add'
    - CommandLine|contains:
          - 'powershell'
          - 'set-itemproperty'
          - ' sp '
          - 'new-itemproperty'
selection_data:
    IntegrityLevel:
        - 'Medium'
        - 'S-1-16-8192'
    CommandLine|contains|all:
        - 'ControlSet'
        - 'Services'
    CommandLine|contains:
        - 'ImagePath'
        - 'FailureCommand'
        - 'ServiceDLL'
condition: all of selection_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.persistence
  • attack.defense-impairment
  • attack.t1112

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_susp_non_priv_reg_or_ps.yml

Sources and licences

  • SigmaHQ

    "Non-privileged Usage of Reg or Powershell" by Teymur Kheirkhabarov (idea), Ryan Plas (rule), oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_susp_non_priv_reg_or_ps.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: Non-privileged Usage of Reg or Powershell",
entity page, dataset version ref-76a8ef73862d, updated 2024-12-01T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/8f02c935-effe-45b3-8fc9-ef8696a9e41d (accessed 2026-11-03).
Underlying source: SigmaHQ rule 8f02c935-effe-45b3-8fc9-ef8696a9e41d, 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.