alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Probable OneLouder downloader (Zeus P2P)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/11"; fast_pattern; startswith; pcre:"/^\/1+$/"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; content:!"|0d 0a|accept-language|0d 0a|"; http.user_agent; content:"|20|MSIE|20|"; classtype:trojan-activity; sid:2018413; rev:8; metadata:created_at 2014_04_24, signature_severity Major, updated_at 2024_05_02;)