alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Win32/Sogou User-Agent (SOGOU_UPDATER)"; flow:established,to_server; http.user_agent; content:"SOGOU_UPDATER"; nocase; depth:13; endswith; reference:url,microsoft.com/security/portal/threat/encyclopedia/entry.aspx?Name=Program%3aWin32%2fSogou; classtype:misc-activity; sid:2011719; rev:11; metadata:created_at 2010_07_30, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2023_06_23;)