alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Upatre Common URI Struct Dec 01 2014"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"-SP"; fast_pattern; content:"/0/"; distance:0; http.host; pcre:"/^(?:\d{1,3}\.){3}\d{1,3}/"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; content:!"|0d 0a|accept-"; reference:md5,fd0f57fd1f93c13b7bd63f811ac7939e; classtype:trojan-activity; sid:2019847; rev:15; metadata:created_at 2014_12_03, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_20;)