id: gopher-detect

info:
  name: Gopher Service Detection
  author: pry0cc
  severity: info
  tags: network,gopher
  description: |
    Gopher is an application-layer protocol that provides the ability to extract and view Web documents stored on remote Web servers.

network:
  - inputs:
      - data: "\r\n"
    host:
      - "{{Hostname}}"
      - "{{Host}}:70"

    matchers:
      - type: dsl
        dsl:
          - "contains(to_lower(raw), 'gopher')"