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

ScreenConnect User Database Modification

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

ScreenConnect User Database Modification

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: ScreenConnect User Database Modification
id: 1a821580-588b-4323-9422-660f7e131020
related:
    - id: 4109cb6a-a4af-438a-9f0c-056abba41c6f
      type: similar
status: test
description: |
    Detects file modifications to the temporary xml user database file indicating local user modification in the ScreenConnect server.
    This will occur during exploitation of the ScreenConnect Authentication Bypass vulnerability (CVE-2024-1709) in versions <23.9.8, but may also be observed when making legitimate modifications to local users or permissions.
references:
    - https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
    - https://www.cve.org/CVERecord?id=CVE-2024-1709
    - https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass
author: Matt Anderson, Andrew Schwartz, Caleb Stewart, Huntress
date: 2024-02-21
tags:
    - attack.persistence
    - cve.2024-1709
    - detection.emerging-threats
logsource:
    product: windows
    category: file_event
detection:
    selection:
        TargetFilename|endswith: '.xml'
        TargetFilename|contains|all:
            - 'Temp'
            - 'ScreenConnect'
        Image|endswith: '\ScreenConnect.Service.exe'
    condition: selection
falsepositives:
    - This will occur legitimately as well and will result in some benign activity.
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2024/Exploits/CVE-2024-1709/file_event_win_exploit_cve_2024_1709_user_database_modification_screenconnect.yml