Rule History

alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET POLICY Possible Reference to Terrorist Literature (The Call to Global...) SMTP"; flow: to_client,established; content:"The Call to Global Islamic Resistance"; nocase; threshold: type threshold, track by_dst,count 5, seconds 360; classtype:policy-violation; sid:2010583; rev:2; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)