alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Chanitor.A Domain in SNI"; flow:established,to_server; tls.sni; content:"svcz25e3m4mwlauz."; fast_pattern; classtype:trojan-activity; sid:2019518; rev:4; metadata:created_at 2014_10_27, malware_family Win32_Chanitor_A, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_23;)