alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Carberp file download"; flow:established,to_server; http.uri; content:"/cfg/"; fast_pattern; startswith; content:".plug"; classtype:trojan-activity; sid:2011850; rev:6; metadata:created_at 2010_10_26, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_12;)