alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win.Trojan.Agent-29225 Checkin"; flow:to_server,established; http.uri; content:"/proxy.exe"; nocase; fast_pattern; http.user_agent; content:"Java/1"; nocase; reference:url,virustotal.com/file/17b1639c08352cc37baac08f23137563546750292131896f37fd8be8c9412407/analysis/; classtype:command-and-control; sid:2018763; rev:6; metadata:created_at 2013_01_22, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_25;)