{
  "model_id": "SOC.075",
  "name": "Disk Image Capture (dd)",
  "description": "dd reading a block device (e.g., /dev/sda) — capturing full disk images for offline analysis or theft.",
  "threshold": 0.8,
  "evaluations": [
    {
      "name": "Dd",
      "type": "comparison",
      "left": "event.raw.comm",
      "operator": "==",
      "right": "dd",
      "weight": 4
    },
    {
      "name": "DevInput",
      "type": "comparison",
      "left": "event.raw.cmdline",
      "operator": "LIKE",
      "right": "%if=/dev/sd%",
      "weight": 5
    },
    {
      "name": "Logic",
      "type": "logical",
      "operator": "AND",
      "operands": [
        "Dd",
        "DevInput"
      ],
      "weight": 5
    }
  ],
  "actions": [
    {
      "type": "emit_alert",
      "reason": "dd imaging block device — full disk capture."
    }
  ],
  "mitre_tactics": [
    "Collection"
  ],
  "mitre_techniques": [
    "T1005"
  ],
  "severity": "critical",
  "observables": [
    "event.raw.cmdline"
  ]
}