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

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Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

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Active Rule

SOURGUM Actor Behaviours

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

SOURGUM Actor Behaviours

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: SOURGUM Actor Behaviours
id: 7ba08e95-1e0b-40cd-9db5-b980555e42fd
status: test
description: Suspicious behaviours related to an actor tracked by Microsoft as SOURGUM
references:
    - https://www.virustotal.com/gui/file/c299063e3eae8ddc15839767e83b9808fd43418dc5a1af7e4f44b97ba53fbd3d/detection
    - https://github.com/Azure/Azure-Sentinel/blob/43e9be273dca321295190bfc4902858e009d4a35/Detections/MultipleDataSources/SOURGUM_IOC.yaml
    - https://www.microsoft.com/security/blog/2021/07/15/protecting-customers-from-a-private-sector-offensive-actor-using-0-day-exploits-and-devilstongue-malware/
author: MSTIC, FPT.EagleEye
date: 2021-06-15
modified: 2022-10-09
tags:
    - attack.t1546
    - attack.t1546.015
    - attack.persistence
    - attack.privilege-escalation
    - detection.emerging-threats
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        Image|contains:
            - 'windows\system32\Physmem.sys'
            - 'Windows\system32\ime\SHARED\WimBootConfigurations.ini'
            - 'Windows\system32\ime\IMEJP\WimBootConfigurations.ini'
            - 'Windows\system32\ime\IMETC\WimBootConfigurations.ini'
    registry_image:
        Image|contains:
            - 'windows\system32\filepath2'
            - 'windows\system32\ime'
        CommandLine|contains: 'reg add'
    registry_key:
        CommandLine|contains:
            - 'HKEY_LOCAL_MACHINE\software\classes\clsid\{7c857801-7381-11cf-884d-00aa004b2e24}\inprocserver32'
            - 'HKEY_LOCAL_MACHINE\software\classes\clsid\{cf4cc405-e2c5-4ddd-b3ce-5e7582d8c9fa}\inprocserver32'
    condition: selection or all of registry_*
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/TA/SOURGUM/proc_creation_win_apt_sourgrum.yml