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SID: 2049168 • Source: et/open

Version DetailsCurrent

Rev: 1Nov 13, 2023, 12:00 PM

ET INFO Observed Tox Chat Domain (tox .chat in TLS SNI)

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Tox Chat Domain (tox .chat in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".tox.chat"; endswith; fast_pattern; reference:url,tox.chat/about.html; classtype:misc-activity; sid:2049168; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_11_13, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_13;)

Nov 13, 2023, 12:00 PM

Nov 13, 2023, 12:00 PM

Sep 21, 2024, 3:00 AM

Aug 18, 2025, 8:35 PM

rules/emerging-info.rules