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
ProxyLogon Reset Virtual Directories Based On IIS Log
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
ProxyLogon Reset Virtual Directories Based On IIS Log
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: ProxyLogon Reset Virtual Directories Based On IIS Log
id: effee1f6-a932-4297-a81f-acb44064fa3a
status: test
description: When exploiting this vulnerability with CVE-2021-26858, an SSRF attack is used to manipulate virtual directories
references:
- https://bi-zone.medium.com/hunting-down-ms-exchange-attacks-part-1-proxylogon-cve-2021-26855-26858-27065-26857-6e885c5f197c
author: frack113
date: 2021-08-10
modified: 2023-05-08
tags:
- cve.2021-26858
- detection.emerging-threats
- attack.initial-access
- attack.t1190
logsource:
category: webserver
definition: 'Requirements: The POST request body data must be collected in order to make use of this detection'
detection:
selection:
cs-method: 'POST'
sc-status: 200
cs-uri-stem: '/ecp/DDI/DDIService.svc/SetObject'
cs-uri-query|contains|all:
- 'schema=Reset'
- 'VirtualDirectory'
cs-username|endswith: '$'
keywords:
'|all':
- 'POST'
- 200
- '/ecp/DDI/DDIService.svc/SetObject'
- 'schema=Reset'
- 'VirtualDirectory'
- '$'
condition: selection or keywords
falsepositives:
- Unlikely
level: critical
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-2021-26858/web_cve_2021_26858_iis_rce.yml