Rule History

SID: 2035388 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Mar 3, 2022, 12:00 PM

Message:

ET MALWARE Cobalt Strike Related Domain in DNS Lookup (jaxebiridi .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cobalt Strike Related Domain in DNS Lookup (jaxebiridi .com)"; dns.query; content:"jaxebiridi.com"; nocase; bsize:14; reference:md5,07d3e518022aec38af7cb4cb709fd4e3; reference:md5,1cd603a9c0f9f251552e070d16591bef; classtype:domain-c2; sid:2035388; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_03, deployment Perimeter, malware_family Cobalt_Strike, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_03;)

Created:

Mar 3, 2022, 12:00 PM

Updated:

Mar 3, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 5, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules