Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Malicious NetSupport CnC Domain in DNS Lookup (dfrgb .fun)"; dns.query; content:"dfrgb.fun"; nocase; bsize:9; classtype:command-and-control; sid:2044893; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_05, deployment Perimeter, deprecation_reason Age, malware_family NetSupport_RAT, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_24;)