alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Styx Exploit Kit - EOT Exploit"; flow:established,to_server; urilen:>300; http.uri; content:".eot"; fast_pattern; endswith; content:"/"; offset:1; content:"_"; offset:1; content:"-"; offset:1; pcre:"/^\/[a-zA-Z0-9_\x2f-]{300,}\.eot$/"; classtype:exploit-kit; sid:2017844; rev:5; metadata:created_at 2013_12_12, signature_severity Major, updated_at 2024_03_19;)