• Sublime Core Feed
High Severity

Brand Impersonation: Trust Wallet

Labels

BEC/Fraud
Credential Phishing
Impersonation: Brand
Social engineering
Natural Language Understanding
Sender analysis
Header analysis

Description

Detects inbound messages containing links where the sender impersonates Trust Wallet through display name manipulation and suspicious language, while not being from legitimate Trust Wallet domains. The rule checks for credential theft patterns and validates sender authentication.

References

No references.

Sublime Security
Created Feb 21st, 2025 • Last updated Feb 21st, 2025
Feed Source
Sublime Core Feed
Source
GitHub
type.inbound
and length(body.links) > 0
and (
  regex.icontains(strings.replace_confusables(sender.display_name),
                  '\btrust wa[li1]{2}et\b'
  )
  or strings.ilevenshtein(strings.replace_confusables(sender.display_name),
                          'trust wallet'
  ) <= 2
)
and (
  any(ml.nlu_classifier(body.current_thread.text).intents,
      .name in ("cred_theft", "callback_scam", "steal_pii", "extortion")
      and .confidence in ("high")
  )
)
and sender.email.domain.root_domain not in~ ('trustwallet.com')

// 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
)
and not profile.by_sender().any_false_positives
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