alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.Small.qh/xSock Checkin URL Detected"; flow:established,to_server; http.uri; content:"port="; fast_pattern; nocase; content:"&id="; nocase; content:"&v="; nocase; content:"&sm="; nocase; pcre:"/port=\d/i"; pcre:"/id=[a-f0-9-]+&/i"; classtype:command-and-control; sid:2007610; rev:7; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2024_03_17;)