sublimemediumRule

Open redirect: queue.swytchbike.com

Message contains use of the queue.swytchbike.com open redirect. This has been exploited in the wild.

MITRE ATT&CK

T1566 T1566.001 T1566.002 T1598 T1598.003

initial-access

Detection Query

type.inbound
and any(body.links,
        .href_url.domain.domain == "queue.swytchbike.com"
        and strings.icontains(.href_url.path, '/order')
        and regex.icontains(.href_url.query_params, '(?:^|&)target=')
)
and sender.email.domain.root_domain != 'swytchbike.com'
and headers.return_path.domain.root_domain != "swytchbike.com"

// negate highly trusted sender domains unless they fail DMARC authentication
and (
  (
    sender.email.domain.root_domain in $high_trust_sender_root_domains
    and not headers.auth_summary.dmarc.pass
  )
  or sender.email.domain.root_domain not in $high_trust_sender_root_domains
)

Data Sources

Email MessagesEmail HeadersEmail Attachments

Platforms

Raw Content

name: "Open redirect: queue.swytchbike.com"
description: "Message contains use of the queue.swytchbike.com open redirect. This has been exploited in the wild."
type: "rule"
severity: "medium"
source: |
  type.inbound
  and any(body.links,
          .href_url.domain.domain == "queue.swytchbike.com"
          and strings.icontains(.href_url.path, '/order')
          and regex.icontains(.href_url.query_params, '(?:^|&)target=')
  )
  and sender.email.domain.root_domain != 'swytchbike.com'
  and headers.return_path.domain.root_domain != "swytchbike.com"
  
  // negate highly trusted sender domains unless they fail DMARC authentication
  and (
    (
      sender.email.domain.root_domain in $high_trust_sender_root_domains
      and not headers.auth_summary.dmarc.pass
    )
    or sender.email.domain.root_domain not in $high_trust_sender_root_domains
  )
attack_types:
  - "Credential Phishing"
tactics_and_techniques:
  - "Impersonation: Brand"
  - "Social engineering"
  - "Open redirect"
detection_methods:
  - "Header analysis"
  - "URL analysis"
  - "Sender analysis"
id: "916003d1-a5e4-5019-a15a-4fe42bbb6c3d"