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Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
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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 Script Run in AppData
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
PowerShell Script Run in AppData
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 Script Run in AppData
id: ac175779-025a-4f12-98b0-acdaeb77ea85
status: test
description: Detects a suspicious command line execution that invokes PowerShell with reference to an AppData folder
references:
- https://twitter.com/JohnLaTwC/status/1082851155481288706
- https://app.any.run/tasks/f87f1c4e-47e2-4c46-9cf4-31454c06ce03
author: Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community
date: 2019-01-09
modified: 2022-07-14
tags:
- attack.execution
- attack.t1059.001
logsource:
category: process_creation
product: windows
detection:
selection1:
CommandLine|contains:
- 'powershell.exe'
- '\powershell'
- '\pwsh'
- 'pwsh.exe'
selection2:
CommandLine|contains|all:
- '/c '
- '\AppData\'
CommandLine|contains:
- 'Local\'
- 'Roaming\'
condition: all of selection*
falsepositives:
- Administrative scripts
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_susp_ps_appdata.yml