High Severity

Link: Google Cloud Storage with suspicious URL pattern

Description

Detects inbound messages containing links to Google Cloud Storage (storage.googleapis.com) with suspicious URL path patterns that follow a specific actor-controlled structure commonly used for hosting malicious content.

References

No references.

Sublime Security
Created May 26th, 2026 • Last updated May 26th, 2026
Source
type.inbound
and any(body.links,
        // storage.googleapis.com
        .href_url.domain.domain == "storage.googleapis.com"
        // observed pattern in actor controlled url path
        and regex.contains(.href_url.path,
                           '^\/[a-z0-9]+-[a-z0-9]+-\d{8}\-[0-9a-f]+\/[^\.]+\.html'
        )
)
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