Regedit as Trusted Installer

Description

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

Query · sigma

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

Known false positives

  • Unlikely
Raw source Regedit as Trusted Installer · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Regedit as Trusted Installer
id: 883835a7-df45-43e4-bf1d-4268768afda4
status: test
description: Detects a regedit started with TrustedInstaller privileges or by ProcessHacker.exe
references:
    - https://twitter.com/1kwpeter/status/1397816101455765504
author: Florian Roth (Nextron Systems)
date: 2021-05-27
modified: 2022-10-09
tags:
    - attack.privilege-escalation
    - attack.t1548
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\regedit.exe'
        ParentImage|endswith:
            - '\TrustedInstaller.exe'
            - '\ProcessHacker.exe'
    condition: selection
falsepositives:
    - Unlikely
level: high

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