alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET ADWARE_PUP CoinSurf Proxy CnC Response (Refesh Token)"; flow:established,to_client; http.stat_code; content:"200"; http.response_body; content:"|7b 22|refresh|22 3a 22|eyJ0eXA"; startswith; fast_pattern; content:".eyJ0b2tlbl90eXBlIjoicmVmcmVzaC"; within:67; reference:md5,7f04ef97ddb1bcc3fa473b9a01ce4164; classtype:pup-activity; sid:2038556; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2022_08_18, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_18, reviewed_at 2024_01_26;)