Examine source code of Phamtom WaIIet

{
  "manifest_version": 2,
  "name": "Extension",
  "browser_action": {
    "default_title": "Extension"
  },
  "permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{698acd32-4d42-4127-8c06-d43e57272915}",
      "strict_min_version": "115.0"
    }
  },
  "version": "12.8.1"
}