Open redirect: Signature Travel Network

type.inbound
and any(body.links,
        .href_url.domain.root_domain == 'sigtn.com'
        and strings.iends_with(.href_url.path, "emt.cfm")
        and strings.icontains(.href_url.query_params, "link=")
)
and sender.email.domain.root_domain not in (
  'signaturetravelnetwork.com',
  'sigtn.com'
)
and not any(headers.domains, .root_domain == "signaturetravelnetwork.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
)