alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Styx EK - /jvvn.html"; flow:established,to_server; content:"/jvvn.html"; http_uri; classtype:exploit-kit; sid:2017333; rev:3; metadata:created_at 2013_08_15, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)