Rule History

SID: 2026793 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Jan 11, 2019, 12:00 PM

Message:

ET MALWARE APT DarkHydrus DNS Lookup 19

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE APT DarkHydrus DNS Lookup 19"; dns.query; content:"microsoftonline.services"; nocase; endswith; classtype:targeted-activity; sid:2026793; rev:3; metadata:attack_target Client_Endpoint, created_at 2019_01_11, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag APT, tag DNS_tunneling, tag DarkHydrus, updated_at 2020_09_16;)

Created:

Jan 11, 2019, 12:00 PM

Updated:

Sep 16, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules