Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Spytector Domain (mail .spytector .com) in TLS SNI"; flow:established,to_server; tls.sni; content:"mail.spytector.com"; fast_pattern; reference:md5,1a72533d45c878cf4f35323e57c00887; classtype:trojan-activity; sid:2035772; rev:1; metadata:created_at 2022_04_06, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_06;)