alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/VrBrothers Checkin"; flow:established,to_server; http.request_line; content:"POST|20|/api/StatData/ProductStatLogs|20|"; startswith; fast_pattern; http.request_body; content:"|7b 22|DataList|22 3a 22 5b 7b 5c 22|ActionKey|5c 22 3a 5c 22|"; startswith; content:"|5c 22 2c 5c 22|ClientCPU|5c 22 3a 5c 22|"; distance:0; content:"|5c 22 2c 5c 22|ClientRAM|5c 22 3a 5c 22|"; distance:0; content:"|5c 22 2c 5c 22|OSTypeName|5c 22 3a 5c 22|"; distance:0; reference:md5,1a128e28c626a706a6f0e65afb89efbe; classtype:trojan-activity; sid:2044832; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_29;)