Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Zbot .onion Proxy domain in SNI Aug 04 2014"; flow:established,to_server; tls.sni; content:"zxjfcvfvhqfqsrpz."; fast_pattern; startswith; reference:md5,9c40169371adbee467587ab55a61e883; classtype:trojan-activity; sid:2018892; rev:5; metadata:created_at 2014_08_05, deprecation_reason Relevance, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_20, reviewed_at 2024_03_20;)