alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Zlob Updating via HTTP"; flow:established,to_server; http.uri; content:".php?code="; nocase; content:"&hash="; nocase; pcre:"/code=[0-9a-f]{2}-[0-9a-f]{2}-[0-9a-f]{2}-[0-9a-f]{2}-[0-9a-f]{2}-[0-9a-f]{2}/i"; classtype:trojan-activity; sid:2007568; rev:7; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_09_02;)