alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY Googlebot User Agent"; flow:established,to_server; http.user_agent; content:"googlebot"; nocase; reference:url,www.google.com/webmasters/bot.html; classtype:not-suspicious; sid:2002828; rev:10; metadata:attack_target Web_Server, created_at 2010_07_30, deployment Perimeter, confidence High, signature_severity Informational, tag WebCrawler, updated_at 2024_02_06, mitre_tactic_id TA0043, mitre_tactic_name Reconnaissance, mitre_technique_id T1593, mitre_technique_name Search_Open_Websites;)