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
Remove Exported Mailbox from Exchange Webserver
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Remove Exported Mailbox from Exchange Webserver
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: Remove Exported Mailbox from Exchange Webserver
id: 09570ae5-889e-43ea-aac0-0e1221fb3d95
status: test
description: Detects removal of an exported Exchange mailbox which could be to cover tracks from ProxyShell exploit
references:
- https://github.com/rapid7/metasploit-framework/blob/1416b5776d963f21b7b5b45d19f3e961201e0aed/modules/exploits/windows/http/exchange_proxyshell_rce.rb#L430
author: Christian Burkard (Nextron Systems)
date: 2021-08-27
modified: 2023-01-23
tags:
- attack.defense-evasion
- attack.t1070
logsource:
service: msexchange-management
product: windows
detection:
keywords:
'|all':
- 'Remove-MailboxExportRequest'
- ' -Identity '
- ' -Confirm "False"'
condition: keywords
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/msexchange/win_exchange_proxyshell_remove_mailbox_export.yml