Rule History

SID: 2046634 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Jun 23, 2023, 12:00 PM

Message:

ET MALWARE Suspected Blackmoon Related Domain in DNS Lookup

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Suspected Blackmoon Related Domain in DNS Lookup"; dns.query; bsize:21; content:"5188870219.lofter.com"; nocase; reference:md5,26e28b0d5e50624d2597ae65cdd41dd5; reference:md5,f2827328571b9c292a1a3759e94c7b4a; reference:md5,53d082f3320b5c6cfd264d1b30298094; classtype:trojan-activity; sid:2046634; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_06_23, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_31; target:src_ip;)

Created:

Jun 23, 2023, 12:00 PM

Updated:

Jul 31, 2023, 12:00 PM

DB Created:

Jun 23, 2023, 9:00 PM

DB Updated:

Aug 21, 2025, 9:36 PM

Filename:

rules/emerging-malware.rules