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.

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Indexed Rules

3,707

Ready to search

Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

Sitecore Pre-Auth RCE CVE-2021-42237

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Sitecore Pre-Auth RCE CVE-2021-42237

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: 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