alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP W32/BettrExperience.Adware POST Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; pcre:"/^\x2F[A-F0-9]{25,40}$/"; http.user_agent; content:"UpdaterResponse"; fast_pattern; startswith; reference:md5,b2651071fbd14bff5fb39bd90f447d27; classtype:pup-activity; sid:2018025; rev:7; metadata:created_at 2014_01_28, signature_severity Minor, updated_at 2024_04_13;)