Rule History

SID: 2021410 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Jul 13, 2015, 12:00 PM

Message:

ET MALWARE Likely Linux/Xorddos DDoS Attack Participation (xxxatat456.com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Likely Linux/Xorddos DDoS Attack Participation (xxxatat456.com)"; threshold:type both,track by_src,count 10,seconds 120; dns.query; content:"xxxatat456.com"; depth:14; fast_pattern; nocase; endswith; reference:md5,5a6bd6b5e00333b8d39ff6be13a346f6; classtype:trojan-activity; sid:2021410; rev:5; metadata:created_at 2015_07_13, confidence Medium, signature_severity Major, updated_at 2020_09_17;)

Created:

Jul 13, 2015, 12:00 PM

Updated:

Sep 17, 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