Versions (4)
Version DetailsCurrent
Rev: 2 • Jun 3, 2021, 12:00 PMET INFO Session Traversal Utilities for NAT (STUN Binding Request On Non-Standard Low Port)
alert udp $HOME_NET any -> $EXTERNAL_NET :1024 (msg:"ET INFO Session Traversal Utilities for NAT (STUN Binding Request On Non-Standard Low Port)"; content:"|00 01|"; depth:2; content:"|21 12 a4 42|"; distance:2; within:4; reference:url,tools.ietf.org/html/rfc5389; classtype:misc-activity; sid:2033077; rev:2; metadata:created_at 2021_06_03, deployment Perimeter, deployment alert_only, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_24;)
Jun 3, 2021, 12:00 PM
Apr 24, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 11, 2025, 9:34 PM
rules/emerging-info.rules