Rule History

SID: 2042051 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Dec 7, 2022, 12:00 PM

Message:

ET INFO DYNAMIC_DNS HTTP Request to a *.biometrika .cl Domain

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO DYNAMIC_DNS HTTP Request to a *.biometrika .cl Domain"; flow:established,to_server; http.host; content:".biometrika.cl"; endswith; reference:url,freedns.afraid.org/domain/registry/page-10.html; classtype:bad-unknown; sid:2042051; rev:2; metadata:attack_target Client_and_Server, created_at 2022_12_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_03_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution;)

Created:

Dec 7, 2022, 12:00 PM

Updated:

Mar 2, 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