Open redirect: Ticketmaster

type.inbound
and any(body.links,
        .href_url.domain.domain == 'links.engage.ticketmaster.com'
        and .href_url.path =~ '/ctt'
)
and sender.email.domain.root_domain != 'ticketmaster.com'
and headers.return_path.domain.root_domain != "ticketmaster.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
)