Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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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
Execute Code with Pester.bat as Parent
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Execute Code with Pester.bat as Parent
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: Execute Code with Pester.bat as Parent
id: 18988e1b-9087-4f8a-82fe-0414dce49878
related:
- id: 59e938ff-0d6d-4dc3-b13f-36cc28734d4e
type: similar
status: test
description: Detects code execution via Pester.bat (Pester - Powershell Modulte for testing)
references:
- https://twitter.com/Oddvarmoe/status/993383596244258816
- https://twitter.com/_st0pp3r_/status/1560072680887525378
author: frack113, Nasreddine Bencherchali
date: 2022-08-20
tags:
- attack.execution
- attack.t1059.001
- attack.defense-evasion
- attack.t1216
logsource:
category: process_creation
product: windows
detection:
selection_module:
ParentImage|endswith:
- '\powershell.exe'
- '\pwsh.exe'
ParentCommandLine|contains: '\WindowsPowerShell\Modules\Pester\'
selection_cli:
ParentCommandLine|contains:
- '{ Invoke-Pester -EnableExit ;'
- '{ Get-Help "'
condition: all of selection_*
falsepositives:
- Legitimate use of Pester for writing tests for Powershell scripts and modules
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_lolbin_pester.yml