Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Commonly Actor Abused Online Service Domain (arkinfo .in in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".arkinfo.in"; endswith; fast_pattern; classtype:misc-activity; sid:2052801; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_05_21, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_21;)