Rule History

SID: 2038590 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Aug 22, 2022, 12:00 PM

Message:

ET MALWARE DonotGroup APT Related Domain in DNS Lookup (kotlinn .xyz)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DonotGroup APT Related Domain in DNS Lookup (kotlinn .xyz)"; dns.query; content:"kotlinn.xyz"; nocase; bsize:11; reference:url,blog.morphisec.com/apt-c-35-new-windows-framework-revealed; classtype:domain-c2; sid:2038590; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_08_22, deployment Perimeter, malware_family Donot, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_09_17, reviewed_at 2024_09_17;)

Created:

Aug 22, 2022, 12:00 PM

Updated:

Sep 17, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules