alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Observed Domain (autoitscript .com) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".autoitscript.com"; endswith; fast_pattern; classtype:misc-activity; sid:2045141; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_04_21;)