Rule History

SID: 2030112 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • May 6, 2020, 12:00 PM

Message:

ET MALWARE Observed Cobalt Strike Stager Domain in DNS Query

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed Cobalt Strike Stager Domain in DNS Query"; dns.query; content:"cylenceprotect.com"; bsize:18; nocase; reference:url,fireeye.com/blog/threat-research/2020/03/the-cycle-of-adversary-pursuit.html; classtype:domain-c2; sid:2030112; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_05_06, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_05_06;)

Created:

May 6, 2020, 12:00 PM

Updated:

May 6, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 21, 2024, 3:00 AM

Filename:

rules/emerging-malware.rules