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 CVE-2021-40444 Exploitation Attempt
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential CVE-2021-40444 Exploitation Attempt
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 CVE-2021-40444 Exploitation Attempt
id: 894397c6-da03-425c-a589-3d09e7d1f750
status: test
description: Detects potential exploitation of CVE-2021-40444 via suspicious process patterns seen in in-the-wild exploitations
references:
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444
- https://twitter.com/neonprimetime/status/1435584010202255375
- https://www.joesandbox.com/analysis/476188/1/iochtml
author: Florian Roth (Nextron Systems), @neonprimetime
date: 2021-09-08
modified: 2023-02-04
tags:
- attack.execution
- attack.t1059
- cve.2021-40444
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\control.exe'
ParentImage|endswith:
- '\winword.exe'
- '\powerpnt.exe'
- '\excel.exe'
filter:
CommandLine|endswith:
- '\control.exe input.dll'
- '\control.exe" input.dll'
condition: selection and not filter
falsepositives:
- Unknown
level: high
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-2021-40444/proc_creation_win_exploit_cve_2021_40444.yml