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.

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Indexed Rules

3,707

Ready to search

Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

Locked Workstation

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Locked Workstation

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: Locked Workstation
id: 411742ad-89b0-49cb-a7b0-3971b5c1e0a4
status: stable
description: Detects locked workstation session events that occur automatically after a standard period of inactivity.
references:
    - https://www.cisecurity.org/controls/cis-controls-list/
    - https://www.pcisecuritystandards.org/documents/PCI_DSS_v3-2-1.pdf
    - https://nvlpubs.nist.gov/nistpubs/CSWP/NIST.CSWP.04162018.pdf
    - https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=4800
author: Alexandr Yampolskyi, SOC Prime
date: 2019-03-26
modified: 2023-12-11
tags:
    - attack.impact
    # - CSC16
    # - CSC16.11
    # - ISO27002-2013 A.9.1.1
    # - ISO27002-2013 A.9.2.1
    # - ISO27002-2013 A.9.2.2
    # - ISO27002-2013 A.9.2.3
    # - ISO27002-2013 A.9.2.4
    # - ISO27002-2013 A.9.2.5
    # - ISO27002-2013 A.9.2.6
    # - ISO27002-2013 A.9.3.1
    # - ISO27002-2013 A.9.4.1
    # - ISO27002-2013 A.9.4.3
    # - ISO27002-2013 A.11.2.8
    # - PCI DSS 3.1 7.1
    # - PCI DSS 3.1 7.2
    # - PCI DSS 3.1 7.3
    # - PCI DSS 3.1 8.7
    # - PCI DSS 3.1 8.8
    # - NIST CSF 1.1 PR.AC-1
    # - NIST CSF 1.1 PR.AC-4
    # - NIST CSF 1.1 PR.AC-6
    # - NIST CSF 1.1 PR.AC-7
    # - NIST CSF 1.1 PR.PT-3
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4800
    condition: selection
falsepositives:
    - Likely
level: informational

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/security/win_security_workstation_was_locked.yml