Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Peer-to-Peer File Sharing Service Domain (ipfs .io in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".ipfs.io"; endswith; fast_pattern; classtype:bad-unknown; sid:2036874; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_06_06, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_28, reviewed_at 2024_02_27;)