Suspicious Rebuild Performance Counter Values Through Lodctr.EXE (via process_creation)
This rule detects the execution of "lodctr.exe" to rebuild the performance counter registry values. This can be misused by adversaries by providing a hostile config file to overwrite performance counter configuration to confuse and evade monitoring and security solutions.
SigmamediumWindowsv1
sigma
suspicious-rebuild-performance-counter-values-through-lodctr-exe-via-process-creation
title: Suspicious Rebuild Performance Counter Values Through Lodctr.EXE (via process_creation)
id: ddf803c5-2f70-5137-aca4-5245effb1493
status: stable
description: This rule detects the execution of "lodctr.exe" to rebuild the performance counter registry values. This can be misused by adversaries by providing a hostile config file to overwrite performance counter configuration to confuse and evade monitoring and security solutions.
references:
- https://learn.microsoft.com/en-us/windows/security/identity-protection/virtual-smart-cards/virtual-smart-card-tpmvscmgr
author: Huntrule Team
date: 2026-06-10
tags:
- attack.execution
- attack.defense-evasion
- attack.t1562.001
logsource:
category: process_creation
product: windows
detection:
selection_img:
Image|endswith: '\lodctr.exe'
OriginalFileName: 'LODCTR.EXE'
selection_cli:
CommandLine|contains|windash: ' -r'
condition: all of selection_*
falsepositives:
- Unknown
level: medium
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.