Brand impersonation: Bank of America

 1name: "Brand impersonation: Bank of America"
 2description: |
 3    Impersonation of Bank of America, usually for credential theft.
 4references:
 5  - "https://www.techrepublic.com/article/credential-phishing-attack-impersonates-bank-of-america/"
 6type: "rule"
 7severity: "high"
 8source: |
 9  type.inbound
10  and (
11    sender.display_name =~ 'bank of america'
12    or strings.ilevenshtein(sender.display_name, 'bank of america') <= 2
13    or strings.ilike(sender.email.domain.domain, '*bankofamerica*')
14  )
15  and sender.email.domain.root_domain not in~ ('bankofamerica.com', 'transunion.com', 'bofa.com')
16  and sender.email.email not in $recipient_emails  
17attack_types:
18  - "Credential Phishing"
19tactics_and_techniques:
20  - "Impersonation: Brand"
21  - "Lookalike domain"
22  - "Social engineering"
23detection_methods:
24  - "Header analysis"
25  - "Sender analysis"
26id: "d2fc6ea1-0c8d-57e0-bcaa-732a2e6b76e4"