alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Downloader Possible AV KILLER"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:"SoftName="; nocase; content:"SoftVersion="; fast_pattern; nocase; content:"UserIP="; nocase; content:"Mac="; nocase; classtype:trojan-activity; sid:2009487; rev:6; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_16;)