alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Tibs/Harnig Downloader Activity"; flow:established,to_server; http.uri; content:".php?adv=adv"; http.user_agent; content:")ver"; fast_pattern; pcre:"/^\d+$/R"; reference:md5,2ce9c871a8a217cafcdce15c6c1e8dfc; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=TrojanDownloader%3aWin32%2fHarnig; classtype:trojan-activity; sid:2010165; rev:9; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_17;)