alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Downloader.49651 Online Report"; flow:established,to_server; content:"/up.html?"; nocase; http_uri; content:"set="; nocase; http_uri; content:"pid="; nocase; http_uri; content:"&mac="; nocase; http_uri; classtype:trojan-activity; sid:2007954; rev:5; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)