• Sublime Core Feed
Medium Severity

Open Redirect: chkc.com.hk

Labels

Credential Phishing
Malware/Ransomware
Open redirect
Sender analysis
URL analysis

Description

Message contains use of the chkc.com.hk open redirect. This has been exploited in the wild.

References

No references.

Sublime Security
Created Aug 22nd, 2024 • Last updated Aug 22nd, 2024
Feed Source
Sublime Core Feed
Source
GitHub
type.inbound
and any(body.links,
        .href_url.domain.root_domain == 'chkc.com.hk'
        and strings.icontains(.href_url.path, 'ViewSwitcher/SwitchView')
        and strings.icontains(.href_url.query_params, 'returnUrl=')
)
and (
  not profile.by_sender().solicited
  or (
    profile.by_sender().any_messages_malicious_or_spam
    and not profile.by_sender().any_false_positives
  )
)

// 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
)
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