• Sublime Core Feed

Description

Detects messages impersonating Gemini Trust Company through analysis of footer content, social media links, and address verification, excluding legitimate communications from authenticated Gemini domains.

References

No references.

Sublime Security
Created Sep 2nd, 2025 • Last updated Jan 12th, 2026
Source
type.inbound
and (
  // the address in the footer
  (
    regex.icontains(body.current_thread.text,
                    "600 Third Avenue.{1,2}2nd Floor.{1,2}New York, NY"
    )
    and strings.icontains(body.current_thread.text, "Gemini Trust Company")
  )
  // logo detect combined with sender display name 
  // need to be more specific here due to other uses of the word "Gemini"
  or (
    sender.display_name =~ "Gemini"
    and any(ml.logo_detect(file.message_screenshot()).brands,
            .name == "Gemini Trust" and .confidence != "low"
    )
  )
  // copyright footer
  or strings.icontains(body.current_thread.text,
                       '© 2025 Gemini Trust Company, LLC'
  )

  // the social links in the footer
  or (
    length(filter(body.links,
                  strings.icontains(.href_url.url,
                                    'https://www.instagram.com/gemini/'
                  )
                  or strings.icontains(.href_url.url,
                                       'https://www.linkedin.com/company/geminitrust/'
                  )
                  or strings.icontains(.href_url.url,
                                       'https://facebook.com/GeminiTrust'
                  )
                  or strings.icontains(.href_url.url,
                                       'https://twitter.com/Gemini'
                  )
                  or strings.icontains(.href_url.url,
                                       'https://support.gemini.com/hc/en-us/requests/new'
                  )
                  or strings.icontains(.href_url.url,
                                       'https://support.gemini.com/hc/en-us/requests/new'
                  )
           )
    ) >= 4
  )
)
// not forwards/replies
and not (
  length(headers.references) > 0
  and (subject.is_forward or subject.is_reply)
  and length(body.previous_threads) >= 1
)
// not from Gemini actual
and not (
  sender.email.domain.root_domain in (
    "gemini.com",
    "niftygateway.com" // NFT market place owned by Gemini Trust Company
  )
  and headers.auth_summary.dmarc.pass
)
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