alert dns $HOME_NET any -> any any (msg:"ET MALWARE Aerial Keylogger DNS Request"; dns.query; content:"aerial-keylogger.com"; nocase; endswith; classtype:trojan-activity; sid:2030983; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_07, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_07;)