Detection rules › Sublime MQL
DLP: Luxembourg National ID (Natural Persons)
Detects messages containing Luxembourg National Identification Numbers for natural persons.
Event coverage
| Message attribute |
|---|
| body.current_thread |
| sender.email |
| subject |
| type |
Rule body MQL
type.outbound
and any([body.current_thread.text, subject.subject],
// Luxembourg Natural Person ID: 13 digits (YYYYMMDDXXXXX)
regex.contains(., '\b\d{13}\b')
)
and any([body.current_thread.text, subject.subject],
regex.icontains(., 'matricule|national\s+identification')
)
and (
strings.icontains(sender.email.domain.tld, "lu")
or strings.icontains(body.current_thread.text, "luxembourg")
)
Detection logic
Scope: outbound message.
Detects messages containing Luxembourg National Identification Numbers for natural persons.
- outbound message
any of
[body.current_thread.text, subject.subject]where:- . matches '\\b\\d{13}\\b'
any of
[body.current_thread.text, subject.subject]where:- . matches 'matricule|national\\s+identification'
any of:
- sender.email.domain.tld contains 'lu'
- body.current_thread.text contains 'luxembourg'
Inspects: body.current_thread.text, sender.email.domain.tld, subject.subject, type.outbound. Sensors: regex.contains, regex.icontains, strings.icontains.
Indicators matched (4)
| Field | Match | Value |
|---|---|---|
regex.contains | regex | \b\d{13}\b |
regex.icontains | regex | matricule|national\s+identification |
strings.icontains | substring | lu |
strings.icontains | substring | luxembourg |