Brand impersonation: Okta

type.inbound
and (
  regex.icontains(sender.display_name, '\bOkta\b')
  or strings.ilike(sender.email.domain.domain, '*Okta*')
  or strings.ilike(subject.subject, '*Okta*')
)
and not (length(headers.references) > 0 or headers.in_reply_to is not null)
and not (
  sender.email.domain.root_domain in~ (
    'oktacdn.com',
    'okta.com',
    'okta-emea.com',
    'okta-gov.com',
    'oktapreview.com',
    'polaris.me',
    'examity.com', // exam service used by okta
    'discoursemail.com' // used by okta's dev community
  )
  and headers.auth_summary.dmarc.pass
)
and any(ml.logo_detect(file.message_screenshot()).brands,
        .name == "Okta" and .confidence in ("medium", "high")
)
and (
  profile.by_sender().prevalence != "common"
  or (
    profile.by_sender().any_messages_malicious_or_spam
    and not profile.by_sender().any_messages_benign
  )
)
// negate okta relay
and not any(distinct(headers.domains, .domain is not null),
            .domain == "mailrelay.okta.com"
)
// negate highly trusted sender domains unless they fail DMARC authentication
and not (
  sender.email.domain.root_domain in $high_trust_sender_root_domains
  and coalesce(headers.auth_summary.dmarc.pass, false)
)