Open redirect: buildingengines.com

type.inbound
and any(body.links,
        // Look for buildingengines URLs
        .href_url.domain.domain == "app.buildingengines.com"
        and strings.icontains(.href_url.query_params, '_redirectTo=')
        // Make sure it's not redirecting back to buildingengines.com
        and not regex.icontains(.href_url.query_params,
                                '_redirectTo=(?:https?(?:%3a|:))?(?:%2f|\/){2}[^&]*buildingengines\.com(?:\&|\/|$|%2f)'
        )
)
// Exclude legitimate Building Engines domains as senders
and not sender.email.domain.root_domain == "buildingengines.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)
)