Low Severity
Spam: Item Giveaway Spam Template
Description
This detection rule matches on observed html templates impersonating multiple popular brands used to deliver spam. Often the lure leverages a theme of item giveaways or a chance to win an item for completing a survey.
References
No references.
Sublime Security
Created Jan 2nd, 2025 • Last updated Jan 8th, 2025
Feed Source
Sublime Core Feed
Source
type.inbound
and (not profile.by_sender().solicited or sender.email.email == "")
// not high trust sender domains
and (
(
sender.email.domain.root_domain in $high_trust_sender_root_domains
and not headers.auth_summary.dmarc.pass
)
or sender.email.domain.root_domain not in $high_trust_sender_root_domains
)
and regex.icontains(body.html.raw,
'<(?:div|body)[^\>]*\>\s*<a href=(?:\x22[^\>]+)\>\s*[^\n]*<br>\s*<img src=(?:\x22[^\>]+)\>\s*\<img src=(?:\x22[^\>]+)\><\/a>\s*<br>\s*<a href=(?:\x22[^\>]+)\>\s*\<img src=(?:\x22[^\>]+)\>\s*\<img src=(?:\x22[^\>]+)\><\/a>\s*<br>',
'<center>(?:<[^\>]+>)*<a href=(?:\x22[^\>]+)\>\s*[^\n]*<img src=(?:\x22[^\>]+)\>\s*\<img src=(?:\x22[^\>]+)\>\s*<br>\s*\<img src=(?:\x22[^\>]+)\><\/a>'
)
Playground
Test against your own EMLs or sample data.