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
Potential Persistence Via Excel Add-in - Registry
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential Persistence Via Excel Add-in - Registry
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: Potential Persistence Via Excel Add-in - Registry
id: 961e33d1-4f86-4fcf-80ab-930a708b2f82
status: test
description: Detect potential persistence via the creation of an excel add-in (XLL) file to make it run automatically when Excel is started.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/4ae9580a1a8772db87a1b6cdb0d03e5af231e966/atomics/T1137.006/T1137.006.md
- https://labs.withsecure.com/publications/add-in-opportunities-for-office-persistence
author: frack113
date: 2023-01-15
modified: 2023-08-17
tags:
- attack.persistence
- attack.t1137.006
logsource:
product: windows
category: registry_set
detection:
selection:
TargetObject|contains: 'Software\Microsoft\Office\'
TargetObject|endswith: '\Excel\Options'
Details|startswith: '/R '
Details|endswith: '.xll'
condition: selection
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/registry/registry_set/registry_set_persistence_xll.yml