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.

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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

Local System Accounts Discovery - Linux

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Local System Accounts Discovery - Linux

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: Local System Accounts Discovery - Linux
id: b45e3d6f-42c6-47d8-a478-df6bd6cf534c
status: test
description: Detects enumeration of local system accounts. This information can help adversaries determine which local accounts exist on a system to aid in follow-on behavior.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1087.001/T1087.001.md
    - https://my.f5.com/manage/s/article/K589
    - https://man.freebsd.org/cgi/man.cgi?pwd_mkdb
author: Alejandro Ortuno, oscd.community, CheraghiMilad
date: 2020-10-08
modified: 2024-12-10
tags:
    - attack.discovery
    - attack.t1087.001
logsource:
    category: process_creation
    product: linux
detection:
    selection_1:
        Image|endswith: '/lastlog'
    selection_2:
        CommandLine|contains: '''x:0:'''
    selection_3:
        Image|endswith:
            - '/cat'
            - '/ed'
            - '/head'
            - '/more'
            - '/nano'
            - '/tail'
            - '/vi'
            - '/vim'
            - '/less'
            - '/emacs'
            - '/sqlite3'
            - '/makemap'
        CommandLine|contains:
            - '/etc/passwd'
            - '/etc/shadow'
            - '/etc/sudoers'
            - '/etc/spwd.db'
            - '/etc/pwd.db'
            - '/etc/master.passwd'
    selection_4:
        Image|endswith: '/id'
    selection_5:
        Image|endswith: '/lsof'
        CommandLine|contains: '-u'
    condition: 1 of selection*
falsepositives:
    - Legitimate administration activities
level: low

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/linux/process_creation/proc_creation_lnx_local_account.yml