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High Severity

Link: HTML file with suspicious binary fragment ending pattern

Description

Detects links to HTML files containing fragments with a suspicious pattern of alphanumeric characters followed by a 5-digit binary sequence, commonly used in malicious URL structures.

References

No references.

Sublime Security
Created Jan 29th, 2026 • Last updated Jan 29th, 2026
Source
type.inbound
and any(body.links,
        strings.ends_with(.href_url.path, '.html')
        and regex.contains(.href_url.fragment, '\-[a-z0-9]+[01]{5}$')
)
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