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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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CLI Versions

Newest: 2.0.2

Translation Workspace

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Active Rule

Unix Shell Configuration Modification

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Unix Shell Configuration Modification

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: Unix Shell Configuration Modification
id: a94cdd87-6c54-4678-a6cc-2814ffe5a13d
related:
    - id: e74e15cc-c4b6-4c80-b7eb-dfe49feb7fe9
      type: obsolete
status: test
description: Detect unix shell configuration modification. Adversaries may establish persistence through executing malicious commands triggered when a new shell is opened.
references:
    - https://objective-see.org/blog/blog_0x68.html
    - https://web.archive.org/web/20221204161143/https://www.glitch-cat.com/p/green-lambert-and-attack
    - https://www.anomali.com/blog/pulling-linux-rabbit-rabbot-malware-out-of-a-hat
author: Peter Matkovski, IAI
date: 2023-03-06
modified: 2023-03-15
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1546.004
logsource:
    product: linux
    service: auditd
detection:
    selection:
        type: 'PATH'
        name:
            - '/etc/shells'
            - '/etc/profile'
            - '/etc/profile.d/*'
            - '/etc/bash.bashrc'
            - '/etc/bashrc'
            - '/etc/zsh/zprofile'
            - '/etc/zsh/zshrc'
            - '/etc/zsh/zlogin'
            - '/etc/zsh/zlogout'
            - '/etc/csh.cshrc'
            - '/etc/csh.login'
            - '/root/.bashrc'
            - '/root/.bash_profile'
            - '/root/.profile'
            - '/root/.zshrc'
            - '/root/.zprofile'
            - '/home/*/.bashrc'
            - '/home/*/.zshrc'
            - '/home/*/.bash_profile'
            - '/home/*/.zprofile'
            - '/home/*/.profile'
            - '/home/*/.bash_login'
            - '/home/*/.bash_logout'
            - '/home/*/.zlogin'
            - '/home/*/.zlogout'
    condition: selection
falsepositives:
    - Admin or User activity are expected to generate some false positives
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/linux/auditd/path/lnx_auditd_unix_shell_configuration_modification.yml