registry_event_office_trust_record_modification.yml

title: Windows Registry Trust Record Modification
id: 295a59c1-7b79-4b47-a930-df12c15fc9c2
related:
    - id: a166f74e-bf44-409d-b9ba-ea4b2dd8b3cd
      type: similar
status: test
description: Alerts on trust record modification within the registry, indicating usage of macros
references:
    - 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: Antonlovesdnb, Trent Liffick (@tliffick)
date: 2020/02/19
modified: 2023/06/21
tags:
    - attack.initial_access
    - attack.t1566.001
logsource:
    category: registry_event
    product: windows
detection:
    selection:
        TargetObject|contains: '\Security\Trusted Documents\TrustRecords'
    condition: selection
falsepositives:
    - This will alert on legitimate macro usage as well, additional tuning is required
level: medium