alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Archie EK Exploit IE URI Struct"; flow:established,to_server; content:"iebasic.html"; http_uri; fast_pattern:only; pcre:"/^\/[^\x2f]*?iebasic\.html$/U"; classtype:exploit-kit; sid:2019659; rev:2; metadata:created_at 2014_11_06, confidence High, signature_severity Major, updated_at 2019_07_26;)