Rule History

SID: 2013977 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • Dec 2, 2011, 12:00 PM

Message:

ET MALWARE TDSS DNS Based Internet Connectivity Check

Rule:

alert udp $HOME_NET any -> 8.8.8.8 53 (msg:"ET MALWARE TDSS DNS Based Internet Connectivity Check"; dsize:34; content:"|33 33 01 00 00 01 00 00 00 00 00 00 07|counter|05|yadro|02|ru|00 00 01 00 01|"; classtype:trojan-activity; sid:2013977; rev:1; metadata:created_at 2011_12_02, confidence High, signature_severity Major, updated_at 2019_07_26;)

Created:

Dec 2, 2011, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules