alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Begin2Search.com Spyware"; flow:to_server,established; content:"/cgi-bin/fav_del.fcgi?id"; nocase; http_uri; reference:url,sarc.com/avcenter/venc/data/adware.begin2search.html; classtype:pup-activity; sid:2001885; rev:9; metadata:created_at 2010_07_30, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_14;)