alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Impact Exploit Kit Landing Page"; flow:established,from_server; file_data; content:"applet"; fast_pattern; content:"value"; distance:0; pcre:"/^(\s*=\s*|[\x22\x27]\s*,\s*)[\x22\x27]/R"; content:"h"; distance:8; within:1; content:"t"; distance:8; within:1; content:"t"; distance:8; within:1; content:"p"; distance:8; within:1; content:"|3a|"; distance:8; within:1; content:"/"; distance:8; within:1; classtype:exploit-kit; sid:2016393; rev:3; metadata:created_at 2013_02_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)