alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Adware.Gamevance.AV Checkin"; flow:established,to_server; http.uri; content:"/aj/"; fast_pattern; content:".php?p="; http.header_names; content:!"Referer"; reference:url,virustotal.com/en/file/21e04ef285d9df2876bab83dd91a8bd78ecdf0d47a8e4693e2ec1924f642bfc8/analysis/; reference:md5,0134997dff945fbfe62f343bcba782bc; classtype:pup-activity; sid:2017136; rev:7; metadata:created_at 2013_07_12, signature_severity Minor, updated_at 2020_08_31;)