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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

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

Suspicious Service DACL Modification Via Set-Service Cmdlet

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Suspicious Service DACL Modification Via Set-Service Cmdlet

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: Suspicious Service DACL Modification Via Set-Service Cmdlet
id: a95b9b42-1308-4735-a1af-abb1c5e6f5ac
related:
    - id: 99cf1e02-00fb-4c0d-8375-563f978dfd37
      type: derived
status: test
description: Detects suspicious DACL modifications via the "Set-Service" cmdlet using the "SecurityDescriptorSddl" flag (Only available with PowerShell 7) that can be used to hide services or make them unstopable
references:
    - https://www.sans.org/blog/red-team-tactics-hiding-windows-services/
    - https://learn.microsoft.com/pt-br/windows/win32/secauthz/sid-strings
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-10-18
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1543.003
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\pwsh.exe'
        - OriginalFileName: 'pwsh.dll'
    selection_sddl_flag:
        CommandLine|contains:
            - '-SecurityDescriptorSddl '
            - '-sd '
    selection_set_service:
        CommandLine|contains|all:
            - 'Set-Service '
            - 'D;;'
        CommandLine|contains:
            - ';;;IU'
            - ';;;SU'
            - ';;;BA'
            - ';;;SY'
            - ';;;WD'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_powershell_service_dacl_modification_set_service.yml