alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Zenosearch Malware Checkin HTTP POST (2)"; flow:established,to_server; http.method; content:"POST"; nocase; http.uri; content:".asp?rnd="; http.request_body; content:"uid="; depth:4; content:"&ref="; content:"&clid="; content:"&umode="; content:"&cn="; classtype:pup-activity; sid:2008798; rev:7; metadata:created_at 2010_07_30, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_31;)