alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Likely Fake Antivirus Download Setup_2012.exe"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:"/Setup_"; fast_pattern; nocase; content:".exe"; nocase; pcre:"/Setup_20\d+\x2Eexe/i"; classtype:trojan-activity; sid:2010684; rev:5; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_16;)