Examine source code of БериCash — кэшбэк-сервис

{
  "manifest_version": 2,
  "version": "0.0.7resigned1",
  "name": "БериCash — кэшбэк-сервис",
  "short_name": "БериCash",
  "description": "Расширение позволяет возвращать часть денег, потраченных на покупку цифровых товаров.",
  "browser_action": {
    "default_title": "Кэшбэк-сервис БериCash",
    "default_icon": "img/icon16.png",
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "css": [
        "content/css/style.css"
      ],
      "js": [
        "content/js/jquery.min.js",
        "content/js/main.js",
        "content/js/json2html.js",
        "content/js/jquery.json2html.js",
        "content/js/tooltip.min.js"
      ],
      "matches": [
        "http://oplata.info/asp2/pay_wm.asp*",
        "http://www.oplata.info/asp2/pay_wm.asp*",
        "https://oplata.info/asp2/pay_wm.asp*",
        "https://www.oplata.info/asp2/pay_wm.asp*",
        "http://oplata.info/asp2/pay_pp.asp*",
        "http://www.oplata.info/asp2/pay_pp.asp*",
        "https://oplata.info/asp2/pay_pp.asp*",
        "https://www.oplata.info/asp2/pay_pp.asp*",
        "http://oplata.info/asp2/pay_mc.asp*",
        "http://www.oplata.info/asp2/pay_mc.asp*",
        "https://oplata.info/asp2/pay_mc.asp*",
        "https://www.oplata.info/asp2/pay_mc.asp*",
        "http://oplata.info/asp2/pay_csgo.asp*",
        "http://www.oplata.info/asp2/pay_csgo.asp*",
        "https://oplata.info/asp2/pay_csgo.asp*",
        "https://www.oplata.info/asp2/pay_csgo.asp*",
        "http://oplata.info/asp2/pay_payssion.asp*",
        "http://www.oplata.info/asp2/pay_payssion.asp*",
        "https://oplata.info/asp2/pay_payssion.asp*",
        "https://www.oplata.info/asp2/pay_payssion.asp*",
        "http://oplata.info/asp2/pay_gift.asp*",
        "http://www.oplata.info/asp2/pay_gift.asp*",
        "https://oplata.info/asp2/pay_gift.asp*",
        "https://www.oplata.info/asp2/pay_gift.asp*",
        "http://oplata.info/asp2/pay_payu.asp*",
        "http://www.oplata.info/asp2/pay_payu.asp*",
        "https://oplata.info/asp2/pay_payu.asp*",
        "https://www.oplata.info/asp2/pay_payu.asp*"
      ]
    }
  ],
  "homepage_url": "https://berycash.com/",
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "permissions": [
    "clipboardWrite",
    "clipboardRead",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9f7600a8-137a-4cf0-9350-e9a781150839}"
    }
  }
}