alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Majestic12 User-Agent Request Inbound"; flow:established,to_server; http.user_agent; content:"MJ12bot/"; reference:url,mj12bot.com/; classtype:misc-activity; sid:2013255; rev:7; metadata:created_at 2011_07_12, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, tag WebCrawler, updated_at 2023_05_04;)