alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/Adware.Agent.NSU CnC Activity M2"; flow:established,to_server; http.request_line; content:"POST /?z="; startswith; fast_pattern; http.content_type; content:"application/x-www-form-urlencoded"; bsize:33; http.request_body; content:"zone="; startswith; content:"&rb="; distance:0; content:"&hil="; distance:0; content:"&wgl="; distance:0; reference:md5,d29f4467c54f688c8903d2e365f3ba8f; classtype:pup-activity; sid:2032327; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_03_25, deployment Perimeter, confidence High, signature_severity Minor, updated_at 2021_03_25;)