Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY Observed ApoioViewer Remote Access Tool  Domain (apoioviewer .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"apoioviewer.com"; bsize:15; fast_pattern; reference:md5,b27ede7c569f27d96c66b4d3c7a84a95; classtype:policy-violation; sid:2034276; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_10_28, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_28;)