User-agent: BecomeBot 
Disallow: /
User-agent: EmailSiphon
Disallow: /
User-agent: ExtractorPro
Disallow: /
User-agent: Extractor Pro
Disallow: /
User-agent: EmailSiphon
Disallow: /
User-agent: ia_archiver
Disallow: /
User-agent: *
Disallow: /cgi-bin/
Disallow: /objects/