• Sublime Core Feed
Medium Severity

Link: IPFS

Labels

Credential Phishing
Malware/Ransomware
Free file host
Free subdomain host
IPFS
Sender analysis
URL analysis

Description

Detects messages containing links that have 'ipfs' in the domain, or unanalyzed links that contain 'ipfs' in the url. IPFS has been recently observed hosting phishing sites.

References

Sublime Security
Created Aug 17th, 2023 • Last updated Jul 16th, 2025
Feed Source
Sublime Core Feed
Source
GitHub
type.inbound
and any(body.links,
        // Any body link domains contain "ipfs"
        (
          strings.icontains(.href_url.domain.domain, "ipfs")
          and not .href_url.domain.root_domain == "ipfs.com"
        )

        // Or the path contains ipfs anchored to a leading and trailing '-', '/', '.'
        or (
          regex.icontains(.href_url.query_params, '[\.-/]ipfs[\.-/]')
          and .href_url.domain.domain not in $org_domains
          and (
            (
              // don't include high rep domains
              .href_url.domain.domain not in $tranco_1m
              and .href_url.domain.domain not in $umbrella_1m
            )
            // if it's in Tranco or Umbrella, still include it if it's one of these
            or .href_url.domain.domain in $free_file_hosts
            or .href_url.domain.root_domain in $free_file_hosts
            or .href_url.domain.root_domain in $free_subdomain_hosts
          )
        )
)

// adding negation block for legitimate domains with ipfs in their name
and not sender.email.domain.domain in ("shipfsl.com")

// negate ipfs.com issues
and not any(recipients.to, .email.domain.domain == "ipfs.com")
and not (
    sender.email.domain.root_domain is not null 
    and sender.email.domain.root_domain == "ipfs.com"
  and headers.auth_summary.dmarc.pass
)

and (
  not profile.by_sender().solicited
  or (
    profile.by_sender().any_messages_malicious_or_spam
    and not profile.by_sender().any_messages_benign
  )
)
and not profile.by_sender().any_messages_benign
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