Open redirect: queue.swytchbike.com

 1name: "Open redirect: queue.swytchbike.com"
 2description: "Message contains use of the queue.swytchbike.com open redirect. This has been exploited in the wild."
 3type: "rule"
 4severity: "medium"
 5source: |
 6  type.inbound
 7  and any(body.links,
 8          .href_url.domain.domain == "queue.swytchbike.com"
 9          and strings.icontains(.href_url.path, '/order')
10          and regex.icontains(.href_url.query_params, '(?:^|&)target=')
11  )
12  and sender.email.domain.root_domain != 'swytchbike.com'
13  and headers.return_path.domain.root_domain != "swytchbike.com"
14  
15  // negate highly trusted sender domains unless they fail DMARC authentication
16  and (
17    (
18      sender.email.domain.root_domain in $high_trust_sender_root_domains
19      and not headers.auth_summary.dmarc.pass
20    )
21    or sender.email.domain.root_domain not in $high_trust_sender_root_domains
22  )  
23attack_types:
24  - "Credential Phishing"
25tactics_and_techniques:
26  - "Impersonation: Brand"
27  - "Social engineering"
28  - "Open redirect"
29detection_methods:
30  - "Header analysis"
31  - "URL analysis"
32  - "Sender analysis"
33id: "916003d1-a5e4-5019-a15a-4fe42bbb6c3d"