alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Trojan.BackDoor-DRV.gen.c Reporting-1"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/tzl/tzl.php?"; nocase; content:"hl="; nocase; reference:md5,d5ff6df296c068fcc0ddd303984fa6b9; classtype:trojan-activity; sid:2012113; rev:4; metadata:created_at 2010_12_30, signature_severity Major, updated_at 2020_05_06;)