alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.Lydra.hj HTTP Checkin"; flow:established,to_server; http.uri; content:"/NewsFolder/News00"; fast_pattern; content:".ASP?id="; pcre:"/\/NewsFolder\/News00\d\d\.ASP\?id=/"; http.host; pcre:"/^\d+\.\d+\.\d+\.\d/"; classtype:command-and-control; sid:2008130; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_17;)