alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Win32/Kuluoz.B CnC 3"; flow:from_server,established; file_data; content:"c=rdl&u="; depth:8; fast_pattern; content:"&a="; distance:0; content:"&k="; distance:0; content:"&n="; distance:0; reference:md5,96255178f15033362c81fb6d9b9c3ce4; reference:url,www.trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-asprox-reborn.pdf; classtype:command-and-control; sid:2015904; rev:7; metadata:created_at 2012_09_25, malware_family Win32_Kuluoz_B, signature_severity Major, updated_at 2020_08_20;)