alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Possible Goon EK Java Payload"; flow:established,to_server; http.uri; content:".mp3"; pcre:"/\/\d{6}\.mp3$/"; http.user_agent; content:"Java/1."; fast_pattern; classtype:exploit-kit; sid:2017755; rev:7; metadata:created_at 2013_11_25, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_23;)