alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT /Styx EK - /jovf.html"; flow:established,to_server; content:!"&"; http_uri; content:"/jovf.html"; http_uri; reference:url,blogs.mcafee.com/mcafee-labs/styx-exploit-kit-takes-advantage-of-vulnerabilities; classtype:exploit-kit; sid:2017101; rev:3; metadata:created_at 2013_07_05, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)