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
Clear PowerShell History - PowerShell Module
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Clear PowerShell History - PowerShell Module
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: Clear PowerShell History - PowerShell Module
id: f99276ad-d122-4989-a09a-d00904a5f9d2
related:
- id: dfba4ce1-e0ea-495f-986e-97140f31af2d
type: derived
status: test
description: Detects keywords that could indicate clearing PowerShell history
references:
- https://gist.github.com/hook-s3c/7363a856c3cdbadeb71085147f042c1a
author: Ilyas Ochkov, Jonhnathan Ribeiro, Daniil Yugoslavskiy, oscd.community
date: 2019-10-25
modified: 2022-12-02
tags:
- attack.defense-evasion
- attack.t1070.003
logsource:
product: windows
category: ps_module
definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
selection_1a_payload:
Payload|contains:
- 'del'
- 'Remove-Item'
- 'rm'
selection_1b_payload:
Payload|contains: '(Get-PSReadlineOption).HistorySavePath'
selection_payload_2:
Payload|contains|all:
- 'Set-PSReadlineOption'
- '–HistorySaveStyle' # not sure if the homoglyph –/- is intended, just checking for both
- 'SaveNothing'
selection_payload_3:
Payload|contains|all:
- 'Set-PSReadlineOption'
- '-HistorySaveStyle'
- 'SaveNothing'
condition: 1 of selection_payload_* or all of selection_1*
falsepositives:
- Legitimate PowerShell scripts
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/powershell/powershell_module/posh_pm_clear_powershell_history.yml