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
Successful Exchange ProxyShell Attack
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Successful Exchange ProxyShell Attack
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: Successful Exchange ProxyShell Attack
id: 992be1eb-e5da-437e-9a54-6d13b57bb4d8
status: test
description: Detects URP patterns and status codes that indicate a successful ProxyShell exploitation attack against Exchange servers
references:
- https://youtu.be/5mqid-7zp8k?t=2231
- https://blog.orange.tw/2021/08/proxylogon-a-new-attack-surface-on-ms-exchange-part-1.html
- https://peterjson.medium.com/reproducing-the-proxyshell-pwn2own-exploit-49743a4ea9a1
author: Florian Roth (Nextron Systems), Rich Warren
date: 2021-08-09
modified: 2023-01-02
tags:
- attack.initial-access
- detection.emerging-threats
logsource:
category: webserver
detection:
selection_auto:
cs-uri-query|contains: '/autodiscover.json'
selection_uri:
cs-uri-query|contains:
- '/powershell'
- '/mapi/nspi'
- '/EWS'
- 'X-Rps-CAT'
selection_success:
sc-status:
- 200
- 301
condition: selection_auto and selection_uri and selection_success
falsepositives:
- Unknown
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/ProxyShell-Exploit/web_exchange_proxyshell_successful.yml