alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT SNET EK Encoded VBS 2"; flow:established,from_server; file_data; content:"IENsZWFySW50ZXJuZXRDYWNoZS"; flowbits:set,et.exploitkitlanding; classtype:exploit-kit; sid:2017471; rev:2; metadata:created_at 2013_09_17, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)