Medium Severity

Open redirect: predictiveresponse.net

Description

Message contains use of the predictiveresponse.net open redirect. This has been exploited in the wild.

References

No references.

Sublime Security
Created Jan 29th, 2025 • Last updated Sep 23rd, 2026
Source
type.inbound
and any(body.links,
        .href_url.domain.root_domain == "predictiveresponse.net"
        and strings.icontains(.href_url.query_params, 'redirect=')
        and not regex.icontains(.href_url.query_params,
                                'redirect=(?:https?(?:%3a|:))?(?:%2f|\/){2}[^&]*predictiveresponse\.net(?:\&|\/|$)'
        )
)
and not sender.email.domain.root_domain == "predictiveresponse.net"
// negate use of predictiveresponse infra
and not any(headers.domains, .root_domain == "predictiveresponse.net")
and not any(headers.hops,
            any(.fields,
                .name == "List-Unsubscribe"
                and strings.iends_with(.value, '@predictiveresponse.net>')
            )
)
// negate highly trusted sender domains unless they fail DMARC authentication
and not (
  sender.email.domain.root_domain in $high_trust_sender_root_domains
  and coalesce(headers.auth_summary.dmarc.pass, false)
)
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