{
  "model_id": "SOC.014",
  "name": "Port Scan - Rapid Port Discovery",
  "description": "Multiple new listening ports opened in a short window, suggesting a port scan or service enumeration tool was run.",
  "threshold": 0.7,
  "evaluations": [
    {
      "name": "PortAdded",
      "type": "comparison",
      "left": "event.type",
      "operator": "==",
      "right": "network.port.listening_added",
      "weight": 3
    },
    {
      "name": "PortCount",
      "type": "aggregation",
      "aggregation": "COUNT",
      "field": "event.raw.port",
      "weight": 4
    },
    {
      "name": "Many",
      "type": "comparison",
      "left": "@PortCount",
      "operator": "\u003e=",
      "right": 5,
      "weight": 5
    },
    {
      "name": "Logic",
      "type": "logical",
      "operator": "AND",
      "operands": [
        "PortAdded",
        "Many"
      ],
      "weight": 5
    }
  ],
  "actions": [
    {
      "type": "emit_alert",
      "reason": "Multiple ports opened rapidly — possible scan or new service deployment."
    }
  ],
  "mitre_tactics": [
    "Reconnaissance"
  ],
  "mitre_techniques": [
    "T1046"
  ],
  "severity": "medium",
  "observables": [
    "event.host.hostname"
  ]
}