Possible Persistence Attempt Through Run Keys Via Reg.EXE (via process_creation)
This rule detects anomalous command line reg.exe tool adding key to RUN key in Registry
SigmamediumWindowsv1
sigma
possible-persistence-attempt-through-run-keys-via-reg-exe-via-process-creation
title: Possible Persistence Attempt Through Run Keys Via Reg.EXE (via process_creation)
id: 3086317d-f918-5d5b-8a44-7e88d2f6e575
status: stable
description: This rule detects anomalous command line reg.exe tool adding key to RUN key in Registry
references:
- https://attack.mitre.org/techniques/T1547/001/
- https://app.any.run/tasks/9c0f37bc-867a-4314-b685-e101566766d7/
- https://learn.microsoft.com/en-us/windows/win32/setupapi/run-and-runonce-registry-keys
- https://github.com/HackTricks-wiki/hacktricks/blob/e4c7b21b8f36c97c35b7c622732b38a189ce18f7/src/windows-hardening/windows-local-privilege-escalation/privilege-escalation-with-autorun-binaries.md
author: Huntrule Team
date: 2026-03-16
tags:
- attack.privilege-escalation
- attack.persistence
- attack.t1547.001
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\reg.exe'
CommandLine|contains|all:
- 'reg'
- ' add '
CommandLine|contains:
- 'Software\Microsoft\Windows\CurrentVersion\Run'
- '\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run'
- '\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run'
condition: selection
falsepositives:
- Unknown
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_reg_add_run_key/info.yml
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.