Sigma rule: Regedit as Trusted Installer

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-c1c43a956d88, updated 2022-10-09T00:00:00.000Z.

Rule

Title
Regedit as Trusted Installer
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2021-05-27
Modified
2022-10-09
File
rules/windows/process_creation/proc_creation_win_regedit_trustedinstaller.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a regedit started with TrustedInstaller privileges or by ProcessHacker.exe

Log source

product
windows
category
process_creation

Detection

selection:
    Image|endswith: '\regedit.exe'
    ParentImage|endswith:
        - '\TrustedInstaller.exe'
        - '\ProcessHacker.exe'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.privilege-escalation
  • attack.t1548

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_regedit_trustedinstaller.yml

Sources and licences

  • SigmaHQ

    "Regedit as Trusted Installer" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_regedit_trustedinstaller.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: Regedit as Trusted Installer",
entity page, dataset version ref-c1c43a956d88, updated 2022-10-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/883835a7-df45-43e4-bf1d-4268768afda4 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 883835a7-df45-43e4-bf1d-4268768afda4, 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.