alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Potential Fake AV GET installer_1.exe"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:"/installer_"; fast_pattern; nocase; content:".exe"; nocase; pcre:"/\/installer_\d+\.exe/i"; reference:url,www.malwareurl.com; classtype:trojan-activity; sid:2010453; rev:8; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_16;)