alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT RIG EK Landing URI Struct"; flow:established,to_server; content:"/?PHPSSESID=njr"; http_uri; fast_pattern:only; classtype:exploit-kit; sid:2019072; rev:3; metadata:created_at 2014_08_27, confidence High, signature_severity Major, updated_at 2019_07_26;)