alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Spyware User-Agent (Sidesearch)"; flow:established,to_server; http.user_agent; content:"Sidesearch"; depth:10; classtype:pup-activity; sid:2001869; rev:29; metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence High, signature_severity Minor, tag Spyware_User_Agent, updated_at 2020_10_17;)