Versions (4)
Version DetailsCurrent
Rev: 1 • Jun 24, 2022, 12:00 PMET INFO Observed Telegram Domain (t .me in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Telegram Domain (t .me in TLS SNI)"; flow:established,to_server; tls.sni; content:"t.me"; bsize:4; fast_pattern; classtype:misc-activity; sid:2041933; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_07, former_sid 2851827;)
Jun 24, 2022, 12:00 PM
Dec 7, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 27, 2025, 9:35 PM
rules/emerging-info.rules