Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE TAIDOOR CnC Domain in DNS Lookup (www.infonew.dubya .net)"; dns.query; content:"www.infonew.dubya.net"; nocase; bsize:21; reference:url,us-cert.cisa.gov/ncas/analysis-reports/ar20-216a; classtype:command-and-control; sid:2030643; rev:2; metadata:attack_target Client_Endpoint, created_at 2020_08_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_17;)