type.inbound
and (length(recipients.to) == 0 or all(recipients.to, .display_name == "Undisclosed recipients"))
and length(recipients.cc) == 0
and length(recipients.bcc) == 0
and 2 of (
(
any(headers.hops,
.authentication_results.compauth.verdict is not null
and .authentication_results.compauth.verdict not in ("pass", "softpass")
)
),
(
any(ml.nlu_classifier(body.current_thread.text).intents,
.name in ("bec", "cred_theft", "advance_fee") and .confidence == "high"
)
),
(
any(body.links,
any([ml.link_analysis(.)],
.credphish.disposition == "phishing" and .credphish.confidence in ("high")
)
)
)
)
and (
profile.by_sender().prevalence in ("new", "outlier")
or (
profile.by_sender().any_messages_malicious_or_spam
and not profile.by_sender().any_messages_benign
)
)
// 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
)
Playground
Test against your own EMLs or sample data.