User-agent: YandexBlog
Disallow:

User-agent: *
Disallow: /blogs/
Disallow: /blog/wp-login.php
Disallow: /blog/wp-register.php
Disallow: /blog/xmlrpc.php
Disallow: /blog/wp-admin/
Disallow: /blog/wp-includes/
Disallow: /blog/wp-content/