ET POLICY Outbound Multiple Non-SMTP Server Emails
Sourceet/open
CreatedJuly 30, 2010
UpdatedJuly 26, 2019
Classificationmisc-activity
alert tcp !$SMTP_SERVERS any -> !$HOME_NET 25 (msg:"ET POLICY Outbound Multiple Non-SMTP Server Emails"; flow:established; content:"mail from|3a|"; nocase; threshold:type threshold, track by_src, count 10, seconds 120; classtype:misc-activity; sid:2000328; rev:12; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Metadata
created at2010_07_30
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2019_07_26
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