Sublime Security medium experimental mql

Brand impersonation: Dotloop

Impersonation of Dotloop, a real estate transaction management platform.

View Source

Detection Logic

type.inbound
and (
  strings.ilike(sender.display_name, '*dotloop*')
  or strings.ilike(sender.email.domain.domain, '*dotloop*')
  or (
    // dotloop logo
    any(html.xpath(body.html, '//img').nodes,
        strings.icontains(.inner_text, 'dotloop')
    )
    and strings.contains(strings.replace_confusables(body.current_thread.text),
                         '(888)-DOTLOOP'
    )
    and 3 of (
      strings.contains(strings.replace_confusables(body.current_thread.text),
                       'DOTLOOP',
      ),
      strings.contains(strings.replace_confusables(body.current_thread.text),
                       '1301 Second Avenue',
      ),
      strings.contains(strings.replace_confusables(body.current_thread.text),
                       'Floor 36',
      ),
      strings.contains(strings.replace_confusables(body.current_thread.text),
                       'Seattle, WA 98101'
      )
    )
  )
)
and sender.email.domain.root_domain not in~ ('dotloop.com', 'showingtime.com')
and (
  (
    profile.by_sender().prevalence in ("new", "outlier")
    and not profile.by_sender().solicited
  )
  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
)

Field Validations

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