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Update cred_theft_suspicious_invoice_w_missing_or_image_only_attachme… #2607

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Update cred_theft_suspicious_invoice_w_missing_or_image_only_attachme… #2607

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8304cf0
Update cred_theft_suspicious_invoice_w_missing_or_image_only_attachme…
peterdj45 Apr 15, 2025
6afba25
Update cred_theft_suspicious_invoice_w_missing_or_image_only_attachme…
peterdj45 Apr 15, 2025
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8 changes: 8 additions & 0 deletions detection-rules/cred_theft_suspicious_invoice_w_missing_or_image_only_attachments.yml
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Expand Up @@ -66,6 +66,14 @@ source: |
.name == "request" and strings.icontains(.text, "kindly")
)
)
// negate highly trusted sender domains unless they fail DMARC authentication
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 not profile.by_sender().solicited

attack_types:
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