# Apache Spark Master API Exposure Detection Module

id: spark-api-exposure
info:
  name: Apache Spark Master API Exposure
  author: sif
  severity: high
  description: Detects an exposed Apache Spark master that leaks its cluster workers and applications
  tags: [spark, apache, cluster, api, exposure, recon]

type: http

http:
  method: GET
  paths:
    - "{{BaseURL}}/json/"

  matchers:
    - type: status
      status:
        - 200

    - type: regex
      part: body
      regex:
        - '"url"\s*:\s*"spark://'

    - type: word
      part: body
      words:
        - "\"aliveworkers\""

  extractors:
    - type: regex
      name: spark_master_url
      part: body
      regex:
        - '"url"\s*:\s*"(spark://[^"]+)"'
      group: 1