ET POLICY Inbound Frequent Emails - Possible Spambot Inbound
Sourceet/open
CreatedJuly 30, 2010
UpdatedJuly 26, 2019
Classificationmisc-activity
alert tcp !$HOME_NET any -> $HOME_NET 25 (msg:"ET POLICY Inbound Frequent Emails - Possible Spambot Inbound"; flow:established; content:"mail from|3a|"; nocase; threshold:type threshold, track by_src, count 10, seconds 60; classtype:misc-activity; sid:2002087; rev:10; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Metadata
created at2010_07_30
confidenceMedium
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2019_07_26
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