Rule History

SID: 2027928 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Aug 28, 2019, 12:00 PM

Message:

ET MALWARE LYCEUM CnC Domain Observed in DNS Query

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE LYCEUM CnC Domain Observed in DNS Query"; dns.query; content:"dnscachecloud.com"; nocase; endswith; reference:url,www.secureworks.com/blog/lyceum-takes-center-stage-in-middle-east-campaign; classtype:command-and-control; sid:2027928; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_08_28, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_09_17;)

Created:

Aug 28, 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