Brand impersonation: Spotify

 1name: "Brand impersonation: Spotify"
 2description: |
 3    Impersonation of Spotify.
 4references:
 5  - "https://www.phishprotection.com/blog/the-latest-popular-service-to-serve-you-up-phishing-emails-spotify/"
 6type: "rule"
 7severity: "low"
 8source: |
 9  type.inbound
10  and (
11    strings.ilike(sender.display_name, '*spotify*')
12    or strings.ilevenshtein(sender.display_name, 'spotify') <= 1
13    or strings.ilike(sender.email.domain.domain, '*spotify*')
14  )
15  and sender.email.domain.root_domain not in~ (
16    'spotify.com',
17    'byspotify.com',
18    'echosign.com',
19    'fromspotify.com',
20    'anchor.fm'
21  )
22  and sender.email.domain.domain not in~ ('privaterelay.appleid.com')
23  and (
24    profile.by_sender().prevalence in ("new", "outlier")
25    or (
26      profile.by_sender().any_messages_malicious_or_spam
27      and not profile.by_sender().any_false_positives
28    )
29  )
30
31  // negate highly trusted sender domains unless they fail DMARC authentication
32  and
33  (
34    (
35      sender.email.domain.root_domain in $high_trust_sender_root_domains
36      and (
37        any(distinct(headers.hops, .authentication_results.dmarc is not null),
38            strings.ilike(.authentication_results.dmarc, "*fail")
39        )
40      )
41    )
42    or sender.email.domain.root_domain not in $high_trust_sender_root_domains
43  )  
44
45attack_types:
46  - "Credential Phishing"
47tactics_and_techniques:
48  - "Impersonation: Brand"
49  - "Lookalike domain"
50  - "Social engineering"
51detection_methods:
52  - "Sender analysis"
53id: "70e80f91-179d-51dc-9bbd-75f1bc6f9bb3"