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 local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
Ready to search
Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Tamper Windows Defender Remove-MpPreference - ScriptBlockLogging
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Tamper Windows Defender Remove-MpPreference - ScriptBlockLogging
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: Tamper Windows Defender Remove-MpPreference - ScriptBlockLogging
id: ae2bdd58-0681-48ac-be7f-58ab4e593458
related:
- id: 07e3cb2c-0608-410d-be4b-1511cb1a0448
type: similar
status: test
description: Detects attempts to remove Windows Defender configuration using the 'MpPreference' cmdlet
references:
- https://techcommunity.microsoft.com/t5/core-infrastructure-and-security/windows-10-controlled-folder-access-event-search/ba-p/2326088
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-08-05
tags:
- attack.defense-evasion
- attack.t1562.001
logsource:
product: windows
category: ps_script
definition: 'Requirements: Script Block Logging must be enabled'
detection:
selection_remove:
ScriptBlockText|contains: 'Remove-MpPreference'
selection_tamper:
ScriptBlockText|contains:
- '-ControlledFolderAccessProtectedFolders '
- '-AttackSurfaceReductionRules_Ids '
- '-AttackSurfaceReductionRules_Actions '
- '-CheckForSignaturesBeforeRunningScan '
condition: all of selection_*
falsepositives:
- Legitimate PowerShell scripts
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/powershell/powershell_script/posh_ps_tamper_windows_defender_rem_mp.yml