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
Sysprep on AppData Folder
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Sysprep on AppData Folder
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: Sysprep on AppData Folder
id: d5b9ae7a-e6fc-405e-80ff-2ff9dcc64e7e
status: test
description: Detects suspicious sysprep process start with AppData folder as target (as used by Trojan Syndicasec in Thrip report by Symantec)
references:
- https://www.symantec.com/blogs/threat-intelligence/thrip-hits-satellite-telecoms-defense-targets
- https://app.any.run/tasks/61a296bb-81ad-4fee-955f-3b399f4aaf4b
author: Florian Roth (Nextron Systems)
date: 2018-06-22
modified: 2021-11-27
tags:
- attack.execution
- attack.t1059
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\sysprep.exe'
CommandLine|contains: '\AppData\'
condition: selection
falsepositives:
- False positives depend on scripts and administrative tools used in the monitored environment
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_sysprep_appdata.yml