• Sublime Core Feed

Description

Possible attempt to impersonate Sublime Security executives.

Sublime Security
Created Aug 17th, 2023 • Last updated Oct 3rd, 2025
Source
type.inbound
and (
  sender.display_name in~ (
    'Sublime Security',
    'Josh Kamdjou',
    'Joshua Kamdjou',
    'Ian Thiel'
  )
  or strings.ilevenshtein(sender.email.domain.domain, 'sublimesecurity.com') <= 2
)
and sender.email.domain.root_domain not in ('sublimesecurity.com', 'luma-mail.com', 'modernloop.io')
and (
  profile.by_sender().prevalence in ("new", "outlier")
  or (
    profile.by_sender().any_messages_malicious_or_spam
    and not profile.by_sender().any_messages_benign
  )
)

// 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
)
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