{
  "model_id": "SOC.057",
  "name": "Kernel Module Loaded",
  "description": "insmod/modprobe loading a kernel module — rootkits often load as .ko files.",
  "threshold": 0.7,
  "evaluations": [
    {
      "name": "Insmod",
      "type": "comparison",
      "left": "event.raw.comm",
      "operator": "IN",
      "right": [
        "insmod",
        "modprobe"
      ],
      "weight": 4
    },
    {
      "name": "KoFile",
      "type": "comparison",
      "left": "event.raw.cmdline",
      "operator": "LIKE",
      "right": "%.ko%",
      "weight": 5
    },
    {
      "name": "Logic",
      "type": "logical",
      "operator": "AND",
      "operands": [
        "Insmod",
        "KoFile"
      ],
      "weight": 5
    }
  ],
  "actions": [
    {
      "type": "emit_alert",
      "reason": "Kernel module load detected — verify it's a legitimate driver."
    }
  ],
  "mitre_tactics": [
    "Persistence",
    "Defense Evasion"
  ],
  "mitre_techniques": [
    "T1547.001"
  ],
  "severity": "high",
  "observables": [
    "event.raw.cmdline"
  ]
}