User-agent: *
Disallow: /wp-admin/

User-agent: *
Disallow: /*blackhole
Disallow: /?blackhole

User-agent: MJ12bot
Disallow: /

User-agent: Yandex
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: Baiduspider-render/2.0
Disallow: /