Rule History

SID: 2027287 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 6 • Apr 25, 2019, 12:00 PM

Message:

ET INFO DYNAMIC_DNS Query to *.myddns.me Domain

Rule:

alert dns $HOME_NET any -> any any (msg:"ET INFO DYNAMIC_DNS Query to *.myddns.me Domain"; flow:established,to_server; threshold:type limit, count 1, track by_src, seconds 120; dns.query; content:".myddns.me"; fast_pattern; nocase; endswith; classtype:bad-unknown; sid:2027287; rev:6; metadata:attack_target Client_and_Server, created_at 2019_04_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag DynamicDNS, updated_at 2023_04_28, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution;)

Created:

Apr 25, 2019, 12:00 PM

Updated:

Apr 28, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-info.rules