User-agent: Googlebot 
User-agent: Bingbot
User-agent: yahoobot
User-agent: Slurp
User-agent: Baiduspider
User-agent: facebot
User-agent: ia_archiver
Disallow:

User-agent: MJ12bot
User-agent: SemrushBot
User-agent: AhrefsBot
User-agent: *
Disallow: /

User-agent: *
Disallow: /Admin/
Disallow: /App_Browser/
Disallow: /App_Code/
Disallow: /App_Data/
Disallow: /App_GlobalResources/
Disallow: /bin/
Disallow: /Components/
Disallow: /Config/
Disallow: /Controls/
Disallow: /DesktopModules/
Disallow: /Documentation/
Disallow: /Install/
Disallow: /js/
Disallow: /Providers/
Disallow: /Resources/