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
Suspicious MacOS Firmware Activity
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious MacOS Firmware Activity
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: Suspicious MacOS Firmware Activity
id: 7ed2c9f7-c59d-4c82-a7e2-f859aa676099
status: test
description: Detects when a user manipulates with Firmward Password on MacOS. NOTE - this command has been disabled on silicon-based apple computers.
references:
- https://github.com/usnistgov/macos_security/blob/932a51f3e819dd3e02ebfcf3ef433cfffafbe28b/rules/os/os_firmware_password_require.yaml
- https://www.manpagez.com/man/8/firmwarepasswd/
- https://support.apple.com/guide/security/firmware-password-protection-sec28382c9ca/web
author: Austin Songer @austinsonger
date: 2021-09-30
modified: 2022-10-09
tags:
- attack.impact
logsource:
category: process_creation
product: macos
detection:
selection1:
Image: '/usr/sbin/firmwarepasswd'
CommandLine|contains:
- 'setpasswd'
- 'full'
- 'delete'
- 'check'
condition: selection1
falsepositives:
- Legitimate administration activities
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/macos/process_creation/proc_creation_macos_susp_macos_firmware_activity.yml