Medium Severity
Open Redirect: embluemail.com
Description
Message contains use of the embluemail.com redirect. This has been exploited in the wild.
References
No references.
Sublime Security
Created Feb 6th, 2025 • Last updated Feb 6th, 2025
Feed Source
Sublime Core Feed
Source
type.inbound
and any(body.links,
.href_url.domain.domain == "nts.embluemail.com"
and strings.istarts_with(.href_url.path, '/p/cl')
and strings.icontains(.href_url.query_params, '!')
and regex.icontains(.href_url.query_params,
'\!(?:((?:%68|h)(?:%74|t){2}(?:%70|p)(?:%73|s)?)?(?:%3a|:))?(?:%2f|\/){2}'
)
)
and not sender.email.domain.root_domain == "nts.embluemail.com"
and not strings.iends_with(headers.message_id, '@embluemail.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
)
Playground
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