alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Downloader.Win32.Zlob.bgs Checkin(2)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/gatech.php?id="; fast_pattern; nocase; reference:md5,ffdcea0ed88d47bc21d71040f9289ef4; classtype:command-and-control; sid:2011491; rev:4; metadata:created_at 2010_09_29, signature_severity Major, updated_at 2024_03_10;)