Brand impersonation: Enbridge

 1name: "Brand impersonation: Enbridge"
 2description: "Impersonation of the Canadian energy company Enbridge."
 3type: "rule"
 4severity: "medium"
 5source: |
 6  type.inbound
 7  and (
 8    strings.ilike(sender.display_name, '*enbridge*')
 9    or strings.ilike(sender.email.domain.domain, '*enbridge*')
10    or strings.ilike(subject.subject, '*enbridge*')
11  )
12  and any(body.links,
13          strings.ilike(.display_text, "*pay now*", "*view your bill*")
14  )
15  // negate replies
16  and (
17    length(headers.references) == 0
18    or not any(headers.hops, any(.fields, strings.ilike(.name, "In-Reply-To")))
19  )
20  and sender.email.domain.root_domain not in~ ('enbridge.com', 'enbridgegas.com')  
21
22attack_types:
23  - "BEC/Fraud"
24  - "Credential Phishing"
25tactics_and_techniques:
26  - "Impersonation: Brand"
27  - "Social engineering"
28detection_methods:
29  - "Content analysis"
30  - "Header analysis"
31  - "Sender analysis"
32id: "203a6a28-d569-590a-9551-24b4b716b469"