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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

Shape the rule before it leaves Phoenix

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Active Rule

Suspicious Service Installed

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Suspicious Service Installed

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 Installed
id: f2485272-a156-4773-82d7-1d178bc4905b
status: test
description: |
  Detects installation of NalDrv or PROCEXP152 services via registry-keys to non-system32 folders.
  Both services are used in the tool Ghost-In-The-Logs (https://github.com/bats3c/Ghost-In-The-Logs), which uses KDU (https://github.com/hfiref0x/KDU)
references:
    - https://web.archive.org/web/20200419024230/https://blog.dylan.codes/evading-sysmon-and-windows-event-logging/
author: xknow (@xknow_infosec), xorxes (@xor_xes)
date: 2019-04-08
modified: 2023-08-17
tags:
    - attack.t1562.001
    - attack.defense-evasion
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject:
            - 'HKLM\System\CurrentControlSet\Services\NalDrv\ImagePath'
            - 'HKLM\System\CurrentControlSet\Services\PROCEXP152\ImagePath'
    filter:
        Image|endswith:
            # Please add the full paths that you use in your environment to tighten the rule
            - '\procexp64.exe'
            - '\procexp.exe'
            - '\procmon64.exe'
            - '\procmon.exe'
            - '\handle.exe'
            - '\handle64.exe'
        Details|contains: '\WINDOWS\system32\Drivers\PROCEXP152.SYS'
    condition: selection and not filter
falsepositives:
    - Other legimate tools using this service names and drivers. Note - clever attackers may easily bypass this detection by just renaming the services. Therefore just Medium-level and don't rely on it.
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_susp_service_installed.yml