alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Likely Fake Antivirus Download Setup_2012.exe"; flow:established,to_server; content:"GET"; nocase; http_method; content:"/Setup_"; nocase; http_uri; content:".exe"; nocase; pcre:"/Setup_20\d+\x2Eexe/Ui"; classtype:trojan-activity; sid:2010684; rev:4; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)