Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a live sigma-cli backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Windows Defender Configuration Changes
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Windows Defender Configuration Changes
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Windows Defender Configuration Changes
id: 801bd44f-ceed-4eb6-887c-11544633c0aa
related:
- id: 1321dc4e-a1fe-481d-a016-52c45f0c8b4f
type: similar
- id: a3ab73f1-bd46-4319-8f06-4b20d0617886
type: similar
- id: 91903aba-1088-42ee-b680-d6d94fe002b0
type: similar
status: stable
description: Detects suspicious changes to the Windows Defender configuration
references:
- https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide
- https://bidouillesecurity.com/disable-windows-defender-in-powershell/#DisableAntiSpyware
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-06
modified: 2023-11-24
tags:
- attack.defense-evasion
- attack.t1562.001
logsource:
product: windows
service: windefend
detection:
selection:
EventID: 5007 # The antimalware platform configuration changed.
NewValue|contains:
# TODO: Add more suspicious values
- '\Windows Defender\DisableAntiSpyware '
# - '\Windows Defender\Features\TamperProtection ' # Might produce FP
- '\Windows Defender\Scan\DisableRemovableDriveScanning '
- '\Windows Defender\Scan\DisableScanningMappedNetworkDrivesForFullScan '
- '\Windows Defender\SpyNet\DisableBlockAtFirstSeen '
- '\Real-Time Protection\SpyNetReporting '
# Exclusions changes are covered in 1321dc4e-a1fe-481d-a016-52c45f0c8b4f
# Exploit guard changes are covered in a3ab73f1-bd46-4319-8f06-4b20d0617886
condition: selection
falsepositives:
- Administrator activity (must be investigated)
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/windefend/win_defender_suspicious_features_tampering.yml