Detection rules › Sublime MQL

DLP: France Passport Number

Severity
high
Type
dlp
Source
github.com/sublime-security/sublime-rules

Detects messages containing French passport numbers.

Event coverage

Rule body MQL

type.outbound
and any([body.current_thread.text, subject.subject],
        // French passport: 2 digits + 2 letters + 5 digits (e.g., 12AB12345)
        regex.contains(., '\b\d{2}[A-Z]{2}\d{5}\b')
)
and any([body.current_thread.text, subject.subject],
        regex.icontains(., 'passeport|passport')
)
and (
  strings.icontains(sender.email.domain.tld, "fr")
  or strings.icontains(body.current_thread.text, "france")
)

Detection logic

Scope: outbound message.

Detects messages containing French passport numbers.

  1. outbound message
  2. any of [body.current_thread.text, subject.subject] where:
    • . matches '\\b\\d{2}[A-Z]{2}\\d{5}\\b'
  3. any of [body.current_thread.text, subject.subject] where:
    • . matches 'passeport|passport'
  4. any of:
    • sender.email.domain.tld contains 'fr'
    • body.current_thread.text contains 'france'

Inspects: body.current_thread.text, sender.email.domain.tld, subject.subject, type.outbound. Sensors: regex.contains, regex.icontains, strings.icontains.

Indicators matched (4)

FieldMatchValue
regex.containsregex\b\d{2}[A-Z]{2}\d{5}\b
regex.icontainsregexpasseport|passport
strings.icontainssubstringfr
strings.icontainssubstringfrance