alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Win32/Kuluoz.B CnC 2"; flow:from_server,established; file_data; content:"c=idl"; within:5; isdataat:!1,relative; reference:md5,a88ba0c2b30afba357ebb38df9898f9e; reference:url,www.trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-asprox-reborn.pdf; classtype:command-and-control; sid:2015903; rev:5; metadata:created_at 2012_09_25, malware_family Win32_Kuluoz_B, signature_severity Major, updated_at 2019_07_26;)