Medium Severity

Service abuse: Dropbox Paper with copy-paste instructions

Description

Detects messages containing copy-paste instructions with links to Dropbox Paper documents, commonly used to bypass security controls by instructing users to manually navigate to malicious content.

References

No references.

Sublime Security
Created May 7th, 2026 • Last updated May 7th, 2026
Source
type.inbound
and strings.icontains(body.current_thread.text, 'copy')
and strings.icontains(body.current_thread.text, 'paste')
and any(body.current_thread.links,
        strings.icontains(.display_url.url, 'https://www.dropbox.com/scl/fi/')
        and strings.icontains(.display_url.url, '.paper')
)
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