Rule History

SID: 2043309 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Jan 17, 2023, 12:00 PM

Message:

ET MALWARE Observed DNS Query to Mirai Domain (miraistealer .xyz)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Mirai Domain (miraistealer .xyz)"; dns.query; content:"miraistealer.xyz"; nocase; bsize:16; reference:url,twitter.com/malwrhunterteam/status/1615409256219480086; classtype:trojan-activity; sid:2043309; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_01_17, deployment Perimeter, deprecation_reason Age, malware_family Mirai, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_02, reviewed_at 2024_12_02;)

Created:

Jan 17, 2023, 12:00 PM

Updated:

Dec 2, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Aug 26, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules