Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain in TLS SNI (urlbae .com)"; flow:established,to_server; tls.sni; bsize:10; content:"urlbae.com"; fast_pattern; classtype:misc-activity; sid:2048314; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_09_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_27, reviewed_at 2024_04_29; target:src_ip;)