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.

Browse Rules Explore Ecosystem

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

F5 BIG-IP iControl Rest API Command Execution - Proxy

pySigma version

Backend

Format

Target Profile

Splunk

Splunk through pysigma-backend-splunk.

Format Mode

Default

Default pySigma output mode for this backend.

Conversion Output

F5 BIG-IP iControl Rest API Command Execution - Proxy

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: F5 BIG-IP iControl Rest API Command Execution - Proxy
id: b59c98c6-95e8-4d65-93ee-f594dfb96b17
related:
    - id: 85254a62-22be-4239-b79c-2ec17e566c37
      type: similar
status: test
description: Detects POST requests to the F5 BIG-IP iControl Rest API "bash" endpoint, which allows the execution of commands on the BIG-IP
references:
    - https://f5-sdk.readthedocs.io/en/latest/apidoc/f5.bigip.tm.util.html#module-f5.bigip.tm.util.bash
    - https://community.f5.com/t5/technical-forum/icontrolrest-11-5-execute-bash-command/td-p/203029
    - https://community.f5.com/t5/technical-forum/running-bash-commands-via-rest-api/td-p/272516
author: Nasreddine Bencherchali (Nextron Systems), Thurein Oo
date: 2023-11-08
tags:
    - attack.initial-access
    - attack.t1190
logsource:
    category: proxy
detection:
    selection:
        cs-method: 'POST'
        c-uri|endswith: '/mgmt/tm/util/bash'
    condition: selection
falsepositives:
    - Legitimate usage of the BIG IP REST API to execute command for administration purposes
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/web/proxy_generic/proxy_f5_tm_utility_bash_api_request.yml