{
  "model_id": "SOC.040",
  "name": "Profile.d Script Added",
  "description": "New script under /etc/profile.d/ — executes on every interactive login.",
  "threshold": 0.7,
  "evaluations": [
    {
      "name": "Write",
      "type": "comparison",
      "left": "event.type",
      "operator": "==",
      "right": "file.critical.write",
      "weight": 3
    },
    {
      "name": "ProfileD",
      "type": "comparison",
      "left": "event.raw.path",
      "operator": "LIKE",
      "right": "/etc/profile.d/%",
      "weight": 5
    },
    {
      "name": "Logic",
      "type": "logical",
      "operator": "AND",
      "operands": [
        "Write",
        "ProfileD"
      ],
      "weight": 5
    }
  ],
  "actions": [
    {
      "type": "emit_alert",
      "reason": "New /etc/profile.d script — runs on every login."
    }
  ],
  "mitre_tactics": [
    "Persistence"
  ],
  "mitre_techniques": [
    "T1037"
  ],
  "severity": "high",
  "observables": [
    "event.raw.path"
  ]
}