Free subdomain link with login or captcha (untrusted sender)

type.inbound
and 0 < length(body.links) < 10
and any(body.links,

        // contains login or captcha
        (
          ml.link_analysis(.).credphish.contains_login
          or ml.link_analysis(.).credphish.contains_captcha
        )

        // either the original or the redirect is a free subdomain
        and (
          ml.link_analysis(.).effective_url.domain.root_domain in $free_subdomain_hosts
          or .href_url.domain.root_domain in $free_subdomain_hosts
        )

        // exclude FP prone free subdomain hosts
        // if it's a known brand impersonation, we'll detect it in other rules
        and .href_url.domain.root_domain not in ("zendesk.com")
        and ml.link_analysis(.).effective_url.domain.root_domain not in ("zendesk.com")
        and ml.link_analysis(.).effective_url.domain.domain not in ("login.squarespace.com")
)

// exclude all freesubdomain links are images
and length(filter(body.links, 
               .href_url.domain.root_domain in $free_subdomain_hosts
               and .href_url.domain.subdomain is not null
               and .href_url.domain.subdomain != "www") ) > 0

and not all(filter(body.links, 
               .href_url.domain.root_domain in $free_subdomain_hosts
               and .href_url.domain.subdomain is not null
               and .href_url.domain.subdomain != "www"), (strings.ends_with(.href_url.url, "jpeg") or strings.ends_with(.href_url.url, "png")))

// exclude FP prone senders
and sender.email.domain.root_domain not in ("sharepointonline.com")
// negate highly trusted sender domains unless they fail DMARC authentication
and (
  (
    sender.email.domain.root_domain in $high_trust_sender_root_domains
    and not headers.auth_summary.dmarc.pass
  )
  or sender.email.domain.root_domain not in $high_trust_sender_root_domains
)
and (
  (
    profile.by_sender().prevalence in ("new", "outlier")
    and not profile.by_sender().solicited
  )
  or (
    profile.by_sender().any_messages_malicious_or_spam
    and not profile.by_sender().any_messages_benign
  )
)
and not profile.by_sender().any_messages_benign