Medium Severity

Link: Giveaway lure with amsweb.php redirect path

Description

Detects links to an '/amsweb.php' path on a domain outside the Tranco 1M, the first hop of a known affiliate redirect chain. Observed in giveaway and prize spam impersonating insurance, retail and roadside-assistance brands, sent from disposable sender domains predominantly on the .pro TLD with homoglyph-substituted display names.

References

No references.

Sublime Security
Created Oct 8th, 2026 • Last updated Oct 8th, 2026
Source
type.inbound
and any(body.links,
        strings.icontains(.href_url.path, '/amsweb.php')
        and .href_url.domain.root_domain not in $tranco_1m
)
// negate highly trusted sender domains unless they fail DMARC authentication
and not (
  sender.email.domain.root_domain in $high_trust_sender_root_domains
  and coalesce(headers.auth_summary.dmarc.pass, false)
)
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