Low Severity

Service abuse: Zoom Clips with unregistered reply-to domain

Description

Detects messages sent through legitimate Zoom infrastructure sharing a clip, where the reply-to domain has no registered WHOIS record.

References

No references.

Sublime Security
Created Jul 17th, 2026 • Last updated Jul 17th, 2026
Source
type.inbound
// Legitimate zoom sending infrastructure
and sender.email.email == "no-reply@zoom.us"
// sharing a clip
and strings.starts_with(subject.base, 'Clips')
// reply-to domain is not registered
and (network.whois(headers.reply_to[0].email.domain).found == false)
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