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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

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CLI Versions

Newest: 2.0.2

Translation Workspace

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Active Rule

Potential Persistence Via Netsh Helper DLL - Registry

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Potential Persistence Via Netsh Helper DLL - Registry

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 Persistence Via Netsh Helper DLL - Registry
id: c90362e0-2df3-4e61-94fe-b37615814cb1
related:
    - id: 56321594-9087-49d9-bf10-524fe8479452
      type: similar
    - id: e7b18879-676e-4a0e-ae18-27039185a8e7
      type: similar
status: test
description: |
    Detects changes to the Netsh registry key to add a new DLL value. This change might be an indication of a potential persistence attempt by adding a malicious Netsh helper
references:
    - https://www.ired.team/offensive-security/persistence/t1128-netsh-helper-dll
    - https://pentestlab.blog/2019/10/29/persistence-netsh-helper-dll/
author: Anish Bogati
date: 2023-11-28
modified: 2025-10-08
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1546.007
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|contains: '\SOFTWARE\Microsoft\NetSh'
        Details|contains: '.dll'
    filter_main_poqexec:
        Image: 'C:\Windows\System32\poqexec.exe'
        Details:
            - 'ipmontr.dll'
            - 'iasmontr.dll'
            - 'ippromon.dll'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Legitimate helper added by different programs and the OS
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/registry/registry_set/registry_set_netsh_helper_dll_potential_persistence.yml