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
Outlook Task/Note Reminder Received
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Outlook Task/Note Reminder Received
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: Outlook Task/Note Reminder Received
id: fc06e655-d98c-412f-ac76-05c2698b1cb2
status: test
description: Detects changes to the registry values related to outlook that indicates that a reminder was triggered for a Note or Task item. This could be a sign of exploitation of CVE-2023-23397. Further investigation is required to determine the success of an exploitation.
references:
- https://www.microsoft.com/en-us/security/blog/2023/03/24/guidance-for-investigating-attacks-using-cve-2023-23397/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-04-05
modified: 2023-08-17
tags:
- attack.persistence
- attack.t1137
- cve.2023-23397
- detection.emerging-threats
logsource:
category: registry_set
product: windows
detection:
selection:
TargetObject|contains|all:
- '\SOFTWARE\Microsoft\Office\'
- '\Outlook\'
TargetObject|contains:
- '\Tasks\'
- '\Notes\'
condition: selection
falsepositives:
- Legitimate reminders received for a task or a note will also trigger this rule.
level: low
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2023/Exploits/CVE-2023-23397/registry_set_exploit_cve_2023_23397_outlook_reminder_trigger.yml