alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Sweet Orange Landing Page Nov 21 2013"; flow:established,from_server; file_data; content:"object|22|.substring(15)"; content:"|22|"; distance:-37; within:1; flowbits:set,et.exploitkitlanding; classtype:exploit-kit; sid:2017740; rev:3; metadata:created_at 2013_11_22, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)