Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed MSP360 Backup Service Domain (mspbackups .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".mspbackups.com"; endswith; fast_pattern; classtype:bad-unknown; sid:2043330; rev:1; metadata:affected_product MSP360, attack_target Client_Endpoint, created_at 2023_01_17, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_18, former_sid 2853051;)