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.

Indexed Rules

3,731

Ready to search

Backends

17

Loaded from pysigma-node

pySigma Versions

10

Newest: 1.3.3

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

WhoAmI as Parameter

Target Profile

Splunk

Splunk through pysigma-backend-splunk.

Format Mode

Default

Default pySigma output mode for this backend.

Conversion Output

WhoAmI as Parameter

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: WhoAmI as Parameter
id: e9142d84-fbe0-401d-ac50-3e519fb00c89
status: test
description: Detects a suspicious process command line that uses whoami as first parameter (as e.g. used by EfsPotato)
references:
    - https://twitter.com/blackarrowsec/status/1463805700602224645?s=12
author: Florian Roth (Nextron Systems)
date: 2021-11-29
modified: 2022-12-25
tags:
    - attack.discovery
    - attack.t1033
    - car.2016-03-001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains: '.exe whoami'
    condition: 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_susp_whoami_as_param.yml