Versions (3)
Version DetailsCurrent
Rev: 1 • Sep 30, 2022, 12:00 PMET INFO Observed Anonymous File Sharing Service Domain (send .vis .ee in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Anonymous File Sharing Service Domain (send .vis .ee in TLS SNI)"; flow:established,to_server; tls.sni; content:"send.vis.ee"; bsize:11; fast_pattern; classtype:bad-unknown; sid:2039068; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_09_30, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_30;)
Sep 30, 2022, 12:00 PM
Sep 30, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 29, 2025, 8:34 PM
rules/emerging-info.rules