User-Agent: Yandex
Disallow: /bitrix/
Disallow: /upload/
Disallow: /apanel/

User-Agent: YandexImages
Allow: /upload/iblock/

User-Agent: Googlebot
Disallow: /bitrix/
Disallow: /upload/
Disallow: /apanel/

User-Agent: Googlebot-Image
Allow: /upload/iblock/

User-Agent: Mail.Ru
Disallow: /bitrix/
Disallow: /upload/
Disallow: /apanel/

User-Agent: *
Disallow: /bitrix/
Disallow: /upload/
Disallow: /apanel/