Versions (4)
Version DetailsCurrent
Rev: 2 • Jan 18, 2022, 12:00 PMET INFO Observed URL Shortening Service Domain (dik .si in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain (dik .si in TLS SNI)"; flow:established,to_server; tls.sni; content:"dik.si"; bsize:6; fast_pattern; classtype:misc-activity; sid:2034932; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_01_18, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_28;)
Jan 18, 2022, 12:00 PM
Apr 28, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 8, 2025, 9:34 PM
rules/emerging-info.rules