Antivirus Filter Driver Disallowed On Dev Drive - Registry

Description

Detects activity that indicates a user disabling the ability for Antivirus mini filter to inspect a "Dev Drive".

Query · sigma

selection:
  TargetObject|endswith: \FilterManager\FltmgrDevDriveAllowAntivirusFilter
  Details: DWORD (0x00000000)
condition: selection

Known false positives

  • Unlikely
Raw source Antivirus Filter Driver Disallowed On Dev Drive - Registry · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Antivirus Filter Driver Disallowed On Dev Drive - Registry
id: 31e124fb-5dc4-42a0-83b3-44a69c77b271
status: test
description: |
    Detects activity that indicates a user disabling the ability for Antivirus mini filter to inspect a "Dev Drive".
references:
    - https://twitter.com/0gtweet/status/1720419490519752955
author: '@kostastsale, Nasreddine Bencherchali (Nextron Systems)'
date: 2023-11-05
modified: 2024-08-16
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|endswith: '\FilterManager\FltmgrDevDriveAllowAntivirusFilter'
        Details: 'DWORD (0x00000000)'
    condition: selection
falsepositives:
    - Unlikely
level: high

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