Rule History

SID: 2027851 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 3 • Aug 9, 2019, 12:00 PM

Message:

ET MALWARE ELF/Emptiness CnC Domain in DNS Query

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE ELF/Emptiness CnC Domain in DNS Query"; dns.query; content:"bruhitsnot.cf"; nocase; endswith; reference:url,blog.netlab.360.com/emptiness-a-new-evolving-botnet/; classtype:command-and-control; sid:2027851; rev:3; metadata:affected_product Web_Browsers, affected_product Linux, attack_target Client_Endpoint, created_at 2019_08_09, deployment Perimeter, malware_family ELF_Emptiness, confidence High, signature_severity Major, updated_at 2020_09_17;)

Created:

Aug 9, 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