Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Observed Bypass Ticket Monitoring Domain (www .bypass .cn in TLS SNI)"; flow:established,to_server; tls.sni; bsize:13; content:"www.bypass.cn"; fast_pattern; reference:md5,8feb11d15b708736189779ddc51a4a0a; classtype:pup-activity; sid:2048362; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_09_29, deployment Perimeter, malware_family PUP, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_29, reviewed_at 2024_03_04; target:src_ip;)