alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/TrojanDownloader.Agent.BXA CnC Activity"; flow:established,to_server; http.method; content:"GET"; http.user_agent; content:"Xingapp|2f 35 2e 30 20 28|windowsxue|29|"; bsize:24; threshold:type limit, track by_src, seconds 600, count 1; reference:md5,d4a8b93cb872a2817a1e7467ea449363; classtype:pup-activity; sid:2033383; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_07_22, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_22, reviewed_at 2024_06_26;)