alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT Unknown Exploit Pack URL Detected"; flow:to_server,established; content:"/imgurl"; nocase; http_uri; content:".php"; nocase; http_uri; content:"hl="; nocase; http_uri; classtype:bad-unknown; sid:2012324; rev:5; metadata:created_at 2011_02_21, confidence Medium, signature_severity Major, updated_at 2019_09_27;)