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 local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
Ready to search
Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Suspicious Desktopimgdownldr Target File
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Suspicious Desktopimgdownldr Target File
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: Suspicious Desktopimgdownldr Target File
id: fc4f4817-0c53-4683-a4ee-b17a64bc1039
status: test
description: Detects a suspicious Microsoft desktopimgdownldr file creation that stores a file to a suspicious location or contains a file with a suspicious extension
references:
- https://labs.sentinelone.com/living-off-windows-land-a-new-native-file-downldr/
- https://twitter.com/SBousseaden/status/1278977301745741825
author: Florian Roth (Nextron Systems)
date: 2020-07-03
modified: 2022-06-02
tags:
- attack.command-and-control
- attack.t1105
logsource:
product: windows
category: file_event
detection:
selection:
Image|endswith: '\svchost.exe'
TargetFilename|contains: '\Personalization\LockScreenImage\'
filter1:
TargetFilename|contains: 'C:\Windows\'
filter2:
TargetFilename|contains:
- '.jpg'
- '.jpeg'
- '.png'
condition: selection and not filter1 and not filter2
falsepositives:
- False positives depend on scripts and administrative tools used in the monitored environment
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/file/file_event/file_event_win_susp_desktopimgdownldr_file.yml