Sigma rule: Suspicious RazerInstaller Explorer Subprocess

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-15fd7056d71a, updated 2024-12-01T00:00:00.000Z.

Rule

Title
Suspicious RazerInstaller Explorer Subprocess
Status
test
Level
high
Author
Florian Roth (Nextron Systems), Maxime Thiebaut
Date
2021-08-23
Modified
2024-12-01
File
rules-emerging-threats/2021/Exploits/RazerInstaller-LPE-Exploit/proc_creation_win_exploit_other_razorinstaller_lpe.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a explorer.exe sub process of the RazerInstaller software which can be invoked from the installer to select a different installation folder but can also be exploited to escalate privileges to LOCAL SYSTEM

Log source

product
windows
category
process_creation

Detection

selection:
    ParentImage|endswith: '\RazerInstaller.exe'
    IntegrityLevel:
        - 'System'
        - 'S-1-16-16384' # System
filter_main_razer:
    Image|startswith: 'C:\Windows\Installer\Razer\Installer\'
condition: selection and not 1 of filter_main_*

False positives (as the rule lists them)

  • User selecting a different installation folder (check for other sub processes of this explorer.exe process)

Tags

  • attack.privilege-escalation
  • attack.defense-impairment
  • attack.t1553
  • detection.emerging-threats

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-emerging-threats/2021/Exploits/RazerInstaller-LPE-Exploit/proc_creation_win_exploit_other_razorinstaller_lpe.yml

Sources and licences

  • SigmaHQ

    "Suspicious RazerInstaller Explorer Subprocess" by Florian Roth (Nextron Systems), Maxime Thiebaut (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2021/Exploits/RazerInstaller-LPE-Exploit/proc_creation_win_exploit_other_razorinstaller_lpe.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: Suspicious RazerInstaller Explorer Subprocess",
entity page, dataset version ref-15fd7056d71a, updated 2024-12-01T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/a4eaf250-7dc1-4842-862a-5e71cd59a167 (accessed 2026-11-03).
Underlying source: SigmaHQ rule a4eaf250-7dc1-4842-862a-5e71cd59a167, 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.