• Sublime Core Feed
Medium Severity

Service Abuse: GoDaddy infrastructure

Description

Detects messages from legitimate GoDaddy domains with suspicious indicators. Observed abused for call back phishing and extortion campaigns.

References

No references.

Sublime Security
Created Jan 7th, 2026 • Last updated Jan 7th, 2026
Source
type.inbound
and length(attachments) == 0
// legitimate GoDaddy sending infrastructure
and (
  sender.email.domain.root_domain == "godaddy.com"
  and headers.auth_summary.dmarc.pass
)
and any(body.links, .display_text in~ ("Pay Now", "Accept Access"))
and (
  (
    any(ml.nlu_classifier(body.current_thread.text).intents,
        .name in~ ("callback_scam", "cred_theft", "extortion")
        and .confidence == "high"
    )
  )
  // manual extortion indicators
  or (
    regex.icontains(sender.display_name,
                    'big(\s|[[:punct:]])?brother|seeing(\s|[[:punct:]])?eye'
    )
    or regex.icontains(body.current_thread.text,
                       '((I|you).{0,25}(leak|compromise|hack|see|record|expose))|(dirty|little) secret'
    )
  )
  // manual callback phishing indicators
  or (
    // phone number in display name or subject
    any([sender.display_name, subject.base],
        regex.icontains(.,
                        '\b\+?([ilo0-9]{1}.)?\(?[ilo0-9]{3}?\)?.[ilo0-9]{3}.?[ilo0-9]{4}\b'
        )
    )
    // references commonly impersonated brands in body
    or strings.ilike(strings.replace_confusables(body.current_thread.text),
                     "*Pay?Pal*",
                     "*Best?Buy*",
                     "*Geek?Squad*",
    )
  )
  // emojis in link display text
  or any(body.links,
         regex.contains(.display_text,
                        '[\x{1F300}-\x{1F5FF}\x{1F600}-\x{1F64F}\x{1F680}-\x{1F6FF}\x{1F700}-\x{1F77F}\x{1F780}-\x{1F7FF}\x{1F900}-\x{1F9FF}\x{2600}-\x{26FF}\x{2700}-\x{27BF}\x{2300}-\x{23FF}]'
         )
  )
  // links leading to cloudflare R2 or edge services
  or any(body.links,
         .href_url.domain.root_domain in~ ("r2.dev", "pages.dev", "workers.dev")
  )
)
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