Rule History

SID: 2018904 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 7 • Aug 7, 2014, 12:00 PM

Message:

ET INFO Session Traversal Utilities for NAT (STUN Binding Request obsolete rfc 3489 CHANGE-REQUEST attribute change IP flag false change port flag false)

Rule:

alert udp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Session Traversal Utilities for NAT (STUN Binding Request obsolete rfc 3489 CHANGE-REQUEST attribute change IP flag false change port flag false)"; dsize:28; content:"|00 01 00 08|"; depth:4; content:"|00 03 00 04 00 00 00 00|"; fast_pattern; distance:16; within:8; threshold:type limit, track by_dst, count 1, seconds 120; reference:url,tools.ietf.org/html/rfc3489; classtype:protocol-command-decode; sid:2018904; rev:7; metadata:created_at 2014_08_07, confidence High, signature_severity Informational, updated_at 2024_06_27;)

Created:

Aug 7, 2014, 12:00 PM

Updated:

Jun 27, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-info.rules