alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Kuluoz.B Request"; flow:established,to_server; http.method; content:"GET"; http.uri; pcre:"/\/[a-f0-9]+$/i"; http.header; content:"Windows NT 9.0|3b|"; http.host; pcre:"/^(?:\d{1,3}\.){3}\d{1,3}(?:\x3a\d{1,5})?$/"; reference:md5,0282bc929bae27ef95733cfa390b10e0; classtype:trojan-activity; sid:2015985; rev:6; metadata:created_at 2012_12_05, malware_family Win32_Kuluoz_B, signature_severity Major, updated_at 2020_12_10;)