alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET DELETED Buzus FTP Log Upload"; flow:established,to_server; dsize:100<>500; content:"|20 20 20 20|"; depth:4; content:"************CD-Key Pack************"; distance:0; content:"Microsoft Windows Product ID CD Key\: "; distance:0; classtype:trojan-activity; sid:2008750; rev:4; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)