Versions (4)
Version DetailsCurrent
Rev: 10 • Jul 30, 2010, 12:00 PMET POLICY Inbound Frequent Emails - Possible Spambot Inbound
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;)
Jul 30, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 13, 2025, 9:34 PM
rules/emerging-policy.rules