Brand impersonation: Dashlane

 1name: "Brand impersonation: Dashlane"
 2description: "Impersonation of the password management software Dashlane."
 3type: "rule"
 4severity: "medium"
 5source: |
 6  type.inbound
 7  and (
 8    regex.icontains(sender.display_name, '\bDashlane\b')
 9    or strings.ilike(sender.email.domain.domain, '*Dashlane*')
10  )
11  and sender.email.domain.root_domain not in~ ('dashlane.com')
12  
13  // negate highly trusted sender domains unless they fail DMARC authentication
14  and not (
15    sender.email.domain.root_domain in $high_trust_sender_root_domains
16    and coalesce(headers.auth_summary.dmarc.pass, false)
17  )  
18
19attack_types:
20  - "Credential Phishing"
21tactics_and_techniques:
22  - "Impersonation: Brand"
23  - "Social engineering"
24detection_methods:
25  - "Header analysis"
26  - "Sender analysis"
27id: "9e400937-4e7e-53fe-ad34-8393ab01890e"