Rule History

SID: 2034923 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jan 14, 2022, 12:00 PM

Message:

ET MALWARE SysJoker Dropper Related Domain in DNS Lookup (github .url-mini .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE SysJoker Dropper Related Domain in DNS Lookup (github .url-mini .com)"; dns.query; content:"github.url-mini.com"; nocase; bsize:19; reference:md5,d71e1a6ee83221f1ac7ed870bc272f01; reference:url,www.intezer.com/blog/malware-analysis/new-backdoor-sysjoker/; classtype:trojan-activity; sid:2034923; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_01_14, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_01_14;)

Created:

Jan 14, 2022, 12:00 PM

Updated:

Jan 14, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 8, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules