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Update asr_suspicious_mailer_gmail.yml #3464

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Update asr_suspicious_mailer_gmail.yml #3464

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2 changes: 1 addition & 1 deletion detection-rules/asr_suspicious_mailer_gmail.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ source: |
or any(headers.hops, any(.fields, .value == "Produced By Microsoft MimeOLE"))
)
and (
any(headers.hops, .index == 0 and .received.server.raw == "smtp.gmail.com")
any(headers.hops, .index == 0 and .received.server.raw in ("smtp.gmail.com", "mx.google.com"))
or headers.return_path.domain.root_domain in ("gmail.com", "googlemail.com")
)
and not profile.by_sender().any_messages_benign
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