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.
Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Ruby on Rails Framework Exceptions
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Ruby on Rails Framework Exceptions
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: Ruby on Rails Framework Exceptions
id: 0d2c3d4c-4b48-4ac3-8f23-ea845746bb1a
status: stable
description: Detects suspicious Ruby on Rails exceptions that could indicate exploitation attempts
references:
- http://edgeguides.rubyonrails.org/security.html
- http://guides.rubyonrails.org/action_controller_overview.html
- https://stackoverflow.com/questions/25892194/does-rails-come-with-a-not-authorized-exception
- https://github.com/rails/rails/blob/cd08e6bcc4cd8948fe01e0be1ea0c7ca60373a25/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb
author: Thomas Patzke
date: 2017-08-06
modified: 2020-09-01
tags:
- attack.initial-access
- attack.t1190
logsource:
category: application
product: ruby_on_rails
detection:
keywords:
- ActionController::InvalidAuthenticityToken
- ActionController::InvalidCrossOriginRequest
- ActionController::MethodNotAllowed
- ActionController::BadRequest
- ActionController::ParameterMissing
condition: keywords
falsepositives:
- Application bugs
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/application/ruby/appframework_ruby_on_rails_exceptions.yml