Open redirect: slubnaglowie.pl

Message contains use of a slubnaglowie.pl redirect. This redirection has been abused by threat actors in the wild.

Sublime rule (View on GitHub)

 1name: "Open redirect: slubnaglowie.pl"
 2description: "Message contains use of a slubnaglowie.pl redirect. This redirection has been abused by threat actors in the wild."
 3type: "rule"
 4severity: "medium"
 5source: |
 6  type.inbound
 7  and any(body.links,
 8          .href_url.domain.root_domain == "slubnaglowie.pl"
 9          and .href_url.path == "/przejdz" // "to go" or "to move/proceed" in Polish
10          and strings.icontains(.href_url.query_params, 'url=')
11  )
12  
13  // negate highly trusted sender domains unless they fail DMARC authentication
14  and (
15    (
16      (
17        sender.email.domain.root_domain in $high_trust_sender_root_domains
18        or sender.email.domain.root_domain == "slubnaglowie.pl"
19      )
20      and not headers.auth_summary.dmarc.pass
21    )
22    or sender.email.domain.root_domain not in $high_trust_sender_root_domains
23  )  
24attack_types:
25  - "Credential Phishing"
26tactics_and_techniques:
27  - "Evasion"
28  - "Open redirect"
29  - "Social engineering"
30detection_methods:
31  - "Content analysis"
32  - "Header analysis"
33  - "Sender analysis"
34  - "URL analysis"
35id: "2ec356d0-d7d8-5997-acd4-3118accc6e02"
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