alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Trojan-Dropper.Win32.Flystud"; flow:established,to_server; http.uri; content:"loading.html?fn="; fast_pattern; nocase; content:"&pid="; nocase; content:"&mid="; nocase; content:"&cid="; nocase; content:"&pn="; nocase; content:"&clientid="; nocase; content:"channel="; nocase; content:"&stn="; nocase; classtype:trojan-activity; sid:2011086; rev:7; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2024_03_16;)