alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP MediaDrug CnC Activity"; flow:established,to_server; http.request_line; content:"GET /client.config/?format=json&advert_key="; startswith; fast_pattern; http.uri; content:"&app="; content:"&oslang="; content:"&uid="; reference:md5,d739e41e0ba4f1d72f9283c6fcb2f761; classtype:pup-activity; sid:2030354; 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;)