Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE SysJoker Related Domain in DNS Lookup (graphic-updater .com)"; dns.query; content:"graphic-updater.com"; nocase; bsize:19; reference:url,www.intezer.com/blog/malware-analysis/new-backdoor-sysjoker/; classtype:trojan-activity; sid:2034925; 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;)