detection.wiki

Detection rules › Sublime MQL

DLP: US Insurance Claim Number

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

Detects messages containing insurance claim numbers.

Event coverage

Message attribute
body.current_thread
subject
type

Rule body MQL

type.outbound
and any([body.current_thread.text, subject.subject],
        // Claim numbers are typically 10-20 alphanumeric characters
        regex.contains(., '\b[A-Z0-9]{10,20}\b')
)
and any([body.current_thread.text, subject.subject],
        regex.icontains(., 'claim\s+number|insurance\s+claim|policy\s+claim')
)

Detection logic

Scope: outbound message.

Detects messages containing insurance claim numbers.

  1. outbound message
  2. any of [body.current_thread.text, subject.subject] where:
    • . matches '\\b[A-Z0-9]{10,20}\\b'
  3. any of [body.current_thread.text, subject.subject] where:
    • . matches 'claim\\s+number|insurance\\s+claim|policy\\s+claim'

Inspects: body.current_thread.text, subject.subject, type.outbound. Sensors: regex.contains, regex.icontains.

Indicators matched (2)

FieldMatchValue
regex.containsregex\b[A-Z0-9]{10,20}\b
regex.icontainsregexclaim\s+number|insurance\s+claim|policy\s+claim