alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO BrowseTor .onion Proxy Service SSL Cert"; flow:established,to_client; tls.cert_subject; content:"CN=*.browsetor.com"; fast_pattern; classtype:bad-unknown; sid:2018396; rev:6; metadata:attack_target Client_Endpoint, created_at 2014_04_16, deployment Perimeter, deprecation_reason Age, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_03_06, reviewed_at 2024_03_06;)