Brand impersonation: Wix

 1name: "Brand impersonation: Wix"
 2description: "Detects messages impersonating Wix by using similar display names or domain names, while not originating from legitimate WIX domains or failing DMARC authentication from trusted senders."
 3type: "rule"
 4severity: "medium"
 5source: |
 6  type.inbound
 7  and (
 8    (
 9      regex.icontains(sender.display_name, '^WIX\b')
10      or strings.ilike(sender.email.domain.domain, 'WIX')
11    )
12    or (
13      strings.icontains(sender.display_name, 'wix')
14      and strings.icontains(body.current_thread.text, "Domain Expiration Notice")
15      and strings.icontains(body.current_thread.text, "will be deactivated")
16    )
17  )
18  and not (
19    (
20      sender.email.domain.root_domain in~ (
21        "wix.com",
22        "wixforms.com",
23        "wixemails.com",
24        "wixanswers.com",
25        "wix-groups.com"
26      )
27      and headers.auth_summary.dmarc.pass
28    )
29  )
30  and not profile.by_sender().solicited
31  // negate highly trusted sender domains unless they fail DMARC authentication
32  and (
33    (
34      sender.email.domain.root_domain in $high_trust_sender_root_domains
35      and not headers.auth_summary.dmarc.pass
36    )
37    or sender.email.domain.root_domain not in $high_trust_sender_root_domains
38  )  
39
40attack_types:
41  - "Credential Phishing"
42tactics_and_techniques:
43  - "Impersonation: Brand"
44  - "Lookalike domain"
45  - "Social engineering"
46detection_methods:
47  - "Header analysis"
48  - "Sender analysis"
49id: "45e7b99f-94fc-5ae4-b5c9-ebfb59b04fe9"