alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE CBeplay Downloading Design"; flow:established,to_server; http.uri; content:".CAB.bin"; fast_pattern; pcre:"/[a-z]{2}\.CAB.bin/"; http.header; content:"|20|Mozilla/4.0 (compatible|3b 20|MSIE 6.0|3b 20|Windows NT 5.1)|0d 0a|"; classtype:trojan-activity; sid:2016489; rev:6; metadata:created_at 2013_02_22, signature_severity Major, updated_at 2020_09_18;)