rsyncd-detect: Rsyncd Service - Detect

id: rsyncd-detect

info:
  name: Rsyncd Service - Detect
  author: vsh00t,geeknik
  severity: info
  verified: true
  description: |-
    Rsyncd service was detected.
  reference:
    - https://linux.die.net/man/1/rsync
  tags: network,rsyncd
  created: 2023/02/06

set:
  hostname: request.url.host
  host: request.url.domain
rules:
  r0:
    request:
      type: tcp
      host: "{{hostname}}"
      data: "?\r\n"
    expression: 'response.raw.bcontains(b"RSYNCD:")'
  r1:
    request:
      type: tcp
      host: "{{host}}:873"
      data: "?\r\n"
    expression: 'response.raw.bcontains(b"RSYNCD:")'
expression: r0() || r1()

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