Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Baidu File Sharing Domain Domain (pan .baidu .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:13; content:"pan.baidu.com"; fast_pattern; threshold: type limit, count 1, seconds 600, track by_src; classtype:misc-activity; sid:2051625; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_03_12, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_12;)