alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Downloader Win32.Small.agoy Checkin"; flow:to_server,established; http.uri; content:"/?jutr="; fast_pattern; nocase; content:"&oo="; nocase; content:"&ra="; nocase; http.host; pcre:"/^(?:0-9]{1,3}\.){3}\d{1,3}$/"; reference:url,www.threatexpert.com/reports.aspx?find=%2Fjutr%2F; reference:md5,e491d25d82f4928138a0d8b3a6365c39; classtype:command-and-control; sid:2008859; rev:7; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;)