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
Powershell Defender Exclusion
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Powershell Defender Exclusion
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: Powershell Defender Exclusion
id: 17769c90-230e-488b-a463-e05c08e9d48f
related:
- id: c1344fa2-323b-4d2e-9176-84b4d4821c88
type: similar
status: test
description: Detects requests to exclude files, folders or processes from Antivirus scanning using PowerShell cmdlets
references:
- https://learn.microsoft.com/en-us/defender-endpoint/configure-process-opened-file-exclusions-microsoft-defender-antivirus
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md
- https://twitter.com/AdamTheAnalyst/status/1483497517119590403
author: Florian Roth (Nextron Systems)
date: 2021-04-29
modified: 2022-05-12
tags:
- attack.defense-evasion
- attack.t1562.001
logsource:
category: process_creation
product: windows
detection:
selection1:
CommandLine|contains:
- 'Add-MpPreference '
- 'Set-MpPreference '
selection2:
CommandLine|contains:
- ' -ExclusionPath '
- ' -ExclusionExtension '
- ' -ExclusionProcess '
- ' -ExclusionIpAddress '
condition: all of selection*
falsepositives:
- Possible Admin Activity
- Other Cmdlets that may use the same parameters
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_powershell_defender_exclusion.yml