• Sublime Core Feed

Description

Message contains a suspicious recipient pattern, financial or urgent language, and a suspicious link, with a login page and confusable characters or multiple redirects.

References

No references.

Sublime Security
Created Apr 30th, 2024 • Last updated Apr 30th, 2024
Source
type.inbound
and any(body.links,
        (
          (
            .href_url.domain.root_domain not in $tranco_1m
            and .href_url.domain.valid
            and .href_url.domain.root_domain not in $org_domains
            and .href_url.domain.root_domain not in $high_trust_sender_root_domains
          )
          or .href_url.domain.tld in $suspicious_tlds
        )
        and (
          ml.link_analysis(.).credphish.contains_login
          and (
            ml.link_analysis(.).final_dom.display_text != strings.replace_confusables(ml.link_analysis(.
                                                                                       ).final_dom.display_text
            )
            or length(ml.link_analysis(.).redirect_history) > 1
          )
        )
)
and any(ml.nlu_classifier(body.current_thread.text).entities,
        .name in ("financial", "urgency")
)
and (
  (
    length(recipients.to) == 0
    or length(recipients.bcc) > 0
    or (
      all(recipients.to, .email.domain.valid == false)
      and all(recipients.cc, .email.domain.valid == false)
    )
  )
)
and all(body.links,
        .href_url.domain.root_domain != sender.email.domain.root_domain
)
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