alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING SUSPICIOUS winhost(32|64).exe in URI"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/winhost"; nocase; fast_pattern; pcre:"/\/winhost(?:32|64)\.(exe|pack)$/i"; classtype:trojan-activity; sid:2017842; rev:4; metadata:created_at 2013_12_12, confidence Medium, signature_severity Major, updated_at 2020_09_22;)