User-Agent: Googlebot
Disallow:

User-Agent: Twitterbot
Disallow:

User-agent: *
Disallow: /CMSPages/
Disallow: /CMShelp/
Disallow: *.axd
Disallow: /tel
Disallow: /malicious.aspx
Disallow: /Special-Pages/Pingdom/

User-Agent: MJ12bot
Disallow: /

User-Agent: OpenVAS
Disallow: /