alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/Adware.VrBrothers.AI Variant CnC Activity"; flow:established,to_server; http.request_line; content:"POST /api/SubmitUsageInfor "; startswith; fast_pattern; http.user_agent; bsize:24; content:"Mozilla/4.0 (compatible)"; http.request_body; content:"data="; startswith; reference:md5,b0e8fed85cf0ae29fe921508e9c60fb9; classtype:pup-activity; sid:2030353; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_18, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_18;)