alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP EZULA Spyware User Agent"; flow:established,to_server; http.user_agent; content:"ezula"; depth:5; nocase; classtype:pup-activity; sid:2001854; rev:27; metadata:created_at 2010_07_30, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_17;)