• Sublime Core Feed

Description

Detects messages containing Procore branding language that do not originate from legitimate Procore domains. This has been observed in phishing campaigns.

References

No references.

Sublime Security
Created Sep 3rd, 2025 • Last updated Sep 3rd, 2025
Source
type.inbound
and strings.ilike(body.current_thread.text, "*powered by procore*")
and not sender.email.domain.root_domain in ("procore.com", "procoretech.com")

// negating legit replies/forwards
and not (
  (
    strings.istarts_with(subject.subject, "RE:")
    or strings.istarts_with(subject.subject, "FW:")
    or strings.istarts_with(subject.subject, "FWD:")
    or regex.imatch(subject.subject,
                    '(\[[^\]]+\]\s?){0,3}(re|fwd?|automat.*)\s?:.*'
    )
    or strings.istarts_with(subject.subject, "Réponse automatique")
  )
  and (
    length(headers.references) > 0
    and any(headers.hops, any(.fields, strings.ilike(.name, "In-Reply-To")))
  )
)
// negate bounce backs
and not (
  strings.like(sender.email.local_part,
               "*postmaster*",
               "*mailer-daemon*",
               "*administrator*"
  )
  and any(attachments,
          .content_type in (
            "message/rfc822",
            "message/delivery-status",
            "text/calendar"
          )
  )
)
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