alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible Asprox Pizza"; flow:established,to_server; http.uri; content:"/title.php?pizza="; pcre:"/^[a-zA-Z0-9+/]{43}/R"; reference:url,www.malware-traffic-analysis.net/2014/10/28/index.html; classtype:trojan-activity; sid:2019713; rev:3; metadata:created_at 2014_11_15, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_13;)