Rule History

SID: 2027678 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Jul 4, 2019, 12:00 PM

Message:

ET MALWARE Known Malicious Server in DNS Lookup (updatecache .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Known Malicious Server in DNS Lookup (updatecache .com)"; dns.query; content:"updatecache.com"; nocase; endswith; classtype:trojan-activity; sid:2027678; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_07_04, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_09_17;)

Created:

Jul 4, 2019, 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