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

Service DACL Abuse To Hide Services Via Sc.EXE

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Service DACL Abuse To Hide Services Via Sc.EXE

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: Service DACL Abuse To Hide Services Via Sc.EXE
id: a537cfc3-4297-4789-92b5-345bfd845ad0
related:
    - id: 99cf1e02-00fb-4c0d-8375-563f978dfd37 # Deny Service Access
      type: similar
    - id: 98c5aeef-32d5-492f-b174-64a691896d25 # Generic SD tampering
      type: similar
status: test
description: Detects usage of the "sc.exe" utility adding a new service with special permission seen used by threat actors which makes the service hidden and unremovable.
references:
    - https://blog.talosintelligence.com/2021/10/threat-hunting-in-large-datasets-by.html
    - https://www.sans.org/blog/red-team-tactics-hiding-windows-services/
    - https://twitter.com/Alh4zr3d/status/1580925761996828672
    - https://itconnect.uw.edu/tools-services-support/it-systems-infrastructure/msinf/other-help/understanding-sddl-syntax/
author: Andreas Hunkeler (@Karneades)
date: 2021-12-20
modified: 2022-08-08
tags:
    - attack.persistence
    - attack.defense-evasion
    - attack.privilege-escalation
    - attack.t1574.011
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\sc.exe'
        - OriginalFileName: 'sc.exe'
    selection_cli:
        CommandLine|contains|all:
            - 'sdset'
            # Summary of permissions
            #   DC: Delete All Child Objects
            #   LC: List Contents
            #   WP: Write All Properties
            #   DT: Delete Subtree
            #   SD: Delete
            - 'DCLCWPDTSD'
    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_sc_sdset_hide_sevices.yml