alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT SNET EK Encoded VBS 3"; flow:established,to_client; flowbits:set,et.exploitkitlanding; file.data; content:"Q2xlYXJJbnRlcm5ldENhY2hlK"; classtype:exploit-kit; sid:2017472; rev:4; metadata:created_at 2013_09_17, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_14;)