Detection rules › Sublime MQL
DLP: US Passport Number
Detects messages containing US passport numbers.
Event coverage
| Message attribute |
|---|
| body.current_thread |
| sender.email |
| subject |
| type |
Rule body MQL
type.outbound
and any([body.current_thread.text, subject.subject],
// US passport: 9 digits or 1 letter + 8 digits
regex.contains(., '\b(?:\d{9}|[A-Z]\d{8})\b')
)
and any([body.current_thread.text, subject.subject],
regex.icontains(., 'passport|travel\s+document')
)
and (
strings.icontains(sender.email.domain.tld, "us")
or strings.icontains(body.current_thread.text, "united states")
or strings.icontains(body.current_thread.text, "USA")
)
Detection logic
Scope: outbound message.
Detects messages containing US passport numbers.
- outbound message
any of
[body.current_thread.text, subject.subject]where:- . matches '\\b(?:\\d{9}|[A-Z]\\d{8})\\b'
any of
[body.current_thread.text, subject.subject]where:- . matches 'passport|travel\\s+document'
any of:
- sender.email.domain.tld contains 'us'
- body.current_thread.text contains 'united states'
- body.current_thread.text contains 'USA'
Inspects: body.current_thread.text, sender.email.domain.tld, subject.subject, type.outbound. Sensors: regex.contains, regex.icontains, strings.icontains.
Indicators matched (5)
| Field | Match | Value |
|---|---|---|
regex.contains | regex | \b(?:\d{9}|[A-Z]\d{8})\b |
regex.icontains | regex | passport|travel\s+document |
strings.icontains | substring | us |
strings.icontains | substring | united states |
strings.icontains | substring | USA |