Suspicious Windows Defender Real-Time Protection Failure/Restart (via windefend)
This rule detects issues with Windows Defender Real-Time Protection features
SigmamediumWindowsv1
sigma
suspicious-windows-defender-real-time-protection-failure-restart-via-windefend
title: Suspicious Windows Defender Real-Time Protection Failure/Restart (via windefend)
id: 19113b89-d9ee-58fa-878b-5bb10e3b05ff
status: stable
description: This rule detects issues with Windows Defender Real-Time Protection features
references:
- https://attack.mitre.org/techniques/T1685/
- Internal Research
- https://www.microsoft.com/en-us/security/blog/2023/04/11/guidance-for-investigating-attacks-using-cve-2022-21894-the-blacklotus-campaign/
- https://gist.github.com/nasbench/33732d6705cbdc712fae356f07666346
author: Huntrule Team
date: 2026-06-25
tags:
- attack.defense-impairment
- attack.t1685
logsource:
product: windows
service: windefend
detection:
selection:
EventID:
- 3002
- 3007
filter_optional_network_inspection:
Feature_Name: '%%886'
Reason:
- '%%892'
- '%%858'
condition: selection and not 1 of filter_optional_*
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.