alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Generic Downloader checkin (3)"; flow:established,to_server; http.uri; content:".php?"; content:"c_pcode="; content:"c_pid="; content:"c_kind="; content:"c_mac="; classtype:command-and-control; sid:2010888; rev:8; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;)