alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Likely TDSS Download (codec.exe)"; flow:established,to_server; content:"GET"; nocase; http_method; content:"/codec.exe"; http_uri; nocase; classtype:trojan-activity; sid:2010054; rev:6; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, updated_at 2019_07_26;)