Description

Possible attempt to impersonate Sublime Security executives.

Sublime Security
Created Aug 17th, 2023 • Last updated May 18th, 2026
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',
  'tabsplatform.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
)
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