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
Suspicious PowerShell Download - PoshModule
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious PowerShell Download - PoshModule
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: Suspicious PowerShell Download - PoshModule
id: de41232e-12e8-49fa-86bc-c05c7e722df9
related:
- id: 65531a81-a694-4e31-ae04-f8ba5bc33759
type: derived
status: test
description: Detects suspicious PowerShell download command
references:
- https://learn.microsoft.com/en-us/dotnet/api/system.net.webclient.downloadfile?view=net-8.0
- https://learn.microsoft.com/en-us/dotnet/api/system.net.webclient.downloadstring?view=net-8.0
author: Florian Roth (Nextron Systems)
date: 2017-03-05
modified: 2023-01-20
tags:
- attack.execution
- attack.t1059.001
logsource:
product: windows
category: ps_module
definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
selection_webclient_:
ContextInfo|contains: 'System.Net.WebClient'
selection_function:
ContextInfo|contains:
- '.DownloadFile('
- '.DownloadString('
condition: all of selection_*
falsepositives:
- PowerShell scripts that download content from the Internet
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_susp_download.yml