Suspicious Windows Registry Trust Record Change (via registry_event)
This rule detects trust record modification within the registry, suggesting use of macros
SigmamediumWindowsv1
sigma
suspicious-windows-registry-trust-record-change-via-registry-event
title: Suspicious Windows Registry Trust Record Change (via registry_event)
id: cd62f350-7991-58f8-aaa2-9c69e3c978be
status: stable
description: This rule detects trust record modification within the registry, suggesting use of macros
references:
- https://attack.mitre.org/techniques/T1566/001/
- https://outflank.nl/blog/2018/01/16/hunting-for-evil-detect-macros-being-executed/
- http://az4n6.blogspot.com/2016/02/more-on-trust-records-macros-and.html
- https://twitter.com/inversecos/status/1494174785621819397
author: Huntrule Team
date: 2026-01-30
tags:
- attack.initial-access
- attack.t1566.001
logsource:
category: registry_event
product: windows
detection:
selection:
TargetObject|contains: '\Security\Trusted Documents\TrustRecords'
condition: 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.