alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Styx EK iexp.html"; flow:established,to_server; http.uri; content:"/iexp.html"; content:!"&"; classtype:exploit-kit; sid:2017819; rev:6; metadata:created_at 2013_12_10, confidence High, signature_severity Major, updated_at 2024_03_18;)