alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT ScanBox Jun 06 2015 M3 T1"; flow:established,from_server; file_data; content:"|5b 28 28 32 38 29 2e 74 6f 53 74 72 69 6e 67 28 33 36 29 29 2e 74 6f 55 70 70 65 72 43 61 73 65 28 29 2b 28 34 39 39 39 32 37 34 38 29 2e 74 6f 53 74 72 69 6e 67 28 33 36 29 5d 3b|"; fast_pattern; classtype:exploit-kit; sid:2021544; rev:3; metadata:created_at 2015_07_28, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_17;)