Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE TA453 Related Domain in DNS Lookup (mailer-daemon .live)"; dns.query; content:"mailer-daemon.live"; nocase; bsize:18; classtype:trojan-activity; sid:2041124; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_10_31, deployment Perimeter, deprecation_reason Relevance, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_29, reviewed_at 2023_08_29, former_sid 2852732;)