• Sublime Core Feed
Medium Severity

New link domain (<=10d) from untrusted sender

Description

Detects links in the body of an email where the linked domain is less than 10 days old from untrusted senders.

References

No references.

Sublime Security
Created Aug 17th, 2023 • Last updated Jul 16th, 2025
Source
type.inbound
and length(body.links) > 0
and any(body.links, network.whois(.href_url.domain).days_old <= 10)
and (
  (
    profile.by_sender().prevalence in ("new", "outlier")
    and not profile.by_sender().solicited
  )
  or profile.by_sender().any_messages_malicious_or_spam
)
and not profile.by_sender().any_messages_benign
MQL Rule Console
DocsLearning Labs

Playground

Test against your own EMLs or sample data.

Share

Post about this on your socials.

Get Started. Today.

Managed or self-managed. No MX changes.

Deploy and integrate a free Sublime instance in minutes.
Get Started