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
Sitecore Pre-Auth RCE CVE-2021-42237
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Sitecore Pre-Auth RCE CVE-2021-42237
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: Sitecore Pre-Auth RCE CVE-2021-42237
id: 20c6ed1c-f7f0-4ea3-aa65-4f198e6acb0f
status: test
description: Detects exploitation attempts of Sitecore Experience Platform Pre-Auth RCE CVE-2021-42237 found in Report.ashx
references:
- https://blog.assetnote.io/2021/11/02/sitecore-rce/
- https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776
author: Florian Roth (Nextron Systems)
date: 2021-11-17
modified: 2023-01-02
tags:
- attack.initial-access
- attack.t1190
- cve.2021-42237
- detection.emerging-threats
logsource:
category: webserver
detection:
selection:
cs-method: 'POST'
cs-uri-query|contains: '/sitecore/shell/ClientBin/Reporting/Report.ashx'
sc-status: 200
condition: selection
falsepositives:
- Vulnerability Scanning
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2021/Exploits/CVE-2021-42237/web_cve_2021_42237_sitecore_report_ashx.yml