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

Potential Compromised 3CXDesktopApp Beaconing Activity - DNS

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Potential Compromised 3CXDesktopApp Beaconing Activity - DNS

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 Compromised 3CXDesktopApp Beaconing Activity - DNS
id: bd03a0dc-5d93-49eb-b2e8-2dfd268600f8
related:
    - id: 3c4b3bbf-36b4-470c-b6cf-f07e8b1c7e26 # Proxy C2
      type: similar
    - id: 76bc1601-9546-4b75-9419-06e0e8d10651 # Proxy GH
      type: similar
    - id: 51eecf75-d069-43c7-9ea2-63f75499edd4 # net_connection C2
      type: similar
    - id: 93bbde78-dc86-4e73-9ffc-ff8a384ca89c # ProcCreation Exec
      type: similar
    - id: 63f3605b-979f-48c2-b7cc-7f90523fed88 # ProcCreation ChildProc
      type: similar
    - id: e7581747-1e44-4d4b-85a6-0db0b4a00f2a # ProcCreation Update
      type: similar
    - id: d0b65ad3-e945-435e-a7a9-438e62dd48e9 # ImageLoad
      type: similar
status: test
description: Detects potential beaconing activity to domains related to 3CX 3CXDesktopApp compromise
references:
    - https://www.reddit.com/r/crowdstrike/comments/125r3uu/20230329_situational_awareness_crowdstrike/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-03-29
modified: 2023-03-31
tags:
    - attack.command-and-control
    - detection.emerging-threats
logsource:
    category: dns_query
    product: windows
detection:
    selection:
        QueryName|contains:
            - 'akamaicontainer.com'
            - 'akamaitechcloudservices.com'
            - 'azuredeploystore.com'
            - 'azureonlinecloud.com'
            - 'azureonlinestorage.com'
            - 'dunamistrd.com'
            - 'glcloudservice.com'
            - 'journalide.org'
            - 'msedgepackageinfo.com'
            - 'msedgeupdate.net'
            - 'msstorageazure.com'
            - 'msstorageboxes.com'
            - 'officeaddons.com'
            - 'officestoragebox.com'
            - 'pbxcloudeservices.com'
            - 'pbxphonenetwork.com'
            - 'pbxsources.com'
            - 'qwepoi123098.com'
            - 'sbmsa.wiki'
            - 'sourceslabs.com'
            - 'visualstudiofactory.com'
            - 'zacharryblogs.com'
    condition: selection
falsepositives:
    - Unlikely
level: high

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2023/TA/3CX-Supply-Chain/dns_query_win_malware_3cx_compromise.yml