alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Adware.Agent.NSU CnC Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/afu.php?zoneid="; startswith; fast_pattern; content:"&var="; isdataat:!2,relative; reference:md5,1924c8edcd59bd9540968305a3ed4988; classtype:command-and-control; sid:2030362; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_19, deployment Perimeter, malware_family Win32_Adware_Agent_NSU, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_19;)