alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.Small.qh/xSock Checkin URL Detected"; flow:established,to_server; content:"port="; nocase; http_uri; content:"&id="; nocase; http_uri; content:"&v="; nocase; http_uri; content:"&sm="; nocase; http_uri; pcre:"/port=\d/Ui"; pcre:"/id=[a-f0-9-]+&/Ui"; classtype:command-and-control; sid:2007610; rev:6; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2019_07_26;)