• Sublime Core Feed
High Severity

Open redirect: Nested Doubleclick.net

Description

Doubleclick.net link leveraging a nested doubleclick.net open redirect from a new or outlier sender. The unusual behavior of nesting a doubleclick URL inside another doubleclick link warrants increasing the severity of this rule.

References

No references.

Sublime Security
Created Jul 17th, 2024 • Last updated Jan 12th, 2026
Source
type.inbound
and length(body.links) < 10
and any(body.links,
        .href_url.domain.root_domain == "doubleclick.net"
        and (
          strings.icontains(.href_url.path, "/aclk")
          or strings.icontains(.href_url.path, "/pcs/click")
          or strings.icontains(.href_url.path, "/searchads/link/click")
        )
        and regex.icontains(.href_url.query_params,
                            '&(?:adurl|ds_dest_url)=(?:https?(\:|%3a))?(?:\/|%2f)(?:\/|%2f)adclick.g.doubleclick.net'
        )
)
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