Rule History

SID: 2022380 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 6 • Jan 20, 2016, 12:00 PM

Message:

ET INFO DYNAMIC_DNS HTTP Request to a *.dns-free.ru Domain

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO DYNAMIC_DNS HTTP Request to a *.dns-free.ru Domain"; flow:to_server,established; http.host; content:".dns-free.com"; endswith; classtype:bad-unknown; sid:2022380; rev:6; metadata:attack_target Client_and_Server, created_at 2016_01_20, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_12_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution;)

Created:

Jan 20, 2016, 12:00 PM

Updated:

Dec 1, 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