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 local pySigma backend, then reveal pipelines only when you actually need them.

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Indexed Rules

3,731

Ready to search

Backends

Loaded from pysigma-node

pySigma Versions

Newest: 1.3.3

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

Cab File Extraction Via Wusa.EXE

pySigma version

Backend

Format

Target Profile

Splunk

Splunk through pysigma-backend-splunk.

Format Mode

Default

Default pySigma output mode for this backend.

Conversion Output

Cab File Extraction Via Wusa.EXE

Using Splunk · Default · pySigma 1.3.3

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion1.3.3

title: Cab File Extraction Via Wusa.EXE
id: 59b39960-5f9d-4a49-9cef-1e4d2c1d0cb9
related:
    - id: c74c0390-3e20-41fd-a69a-128f0275a5ea
      type: derived
status: test
description: |
    Detects execution of the "wusa.exe" (Windows Update Standalone Installer) utility to extract cab using the "/extract" argument that is no longer supported.
references:
    - https://web.archive.org/web/20180331144337/https://www.fireeye.com/blog/threat-research/2018/03/sanny-malware-delivery-method-updated-in-recently-observed-attacks.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-08-04
modified: 2024-08-15
tags:
    - attack.execution
    - detection.threat-hunting
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\wusa.exe'
        CommandLine|contains: '/extract:'
    condition: selection
falsepositives:
    - The "extract" flag still works on older 'wusa.exe' versions, which could be a legitimate use (monitor the path of the cab being extracted)
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules-threat-hunting/windows/process_creation/proc_creation_win_wusa_cab_files_extraction.yml