dns_srv.yml

name: DNS SRV Request
description: Check that at least one of the SRV servers are present in DNS response
  to type SRV request is present in the flow.
requirements:
  protocols: [dns]
marks: [dns]
pcap: dns_srv.pcap
probe:
  protocols: [dns]
at_least_one: [dns_id, dns_flags, dns_req_query_type, dns_req_query_class, dns_req_query_name,
  dns_resp_rcode, dns_resp_rr.name, dns_resp_rr.type, dns_resp_rr.class, dns_resp_rr.ttl,
  dns_resp_rr.data, dns_resp_rr.flowmon_data]

flows:
  - src_ip: 192.168.122.190
    dst_ip: 192.168.122.189
    ip_version: 4
    protocol: 17
    bytes: 83
    bytes@rev: 131
    packets: 1
    packets@rev: 1
    src_port: 55245
    dst_port: 53
    dns_id: 58778
    _forward:
      dns_flags: 0x0100
      dns_req_query_type: 33
      dns_req_query_class: 1
      dns_req_query_name: _kerberos._udp.SAMBA.WINDOWS8.PRIVATE
    _reverse:
      dns_flags: 0x8580
      dns_resp_rcode: 0
      dns_resp_rr:
        - name: _kerberos._udp.SAMBA.WINDOWS8.PRIVATE
          type: 33
          class: 1
          ttl: 900
          data: 0 100 88 s4dc1.samba.windows8.private
          flowmon_data: '0x00000064005873346463312E73616D62612E77696E646F7773382E70726976617465'