alert dns $HOME_NET any -> any any (msg:"ET MALWARE CryptoWall/TeslaCrypt Payment Domain"; dns_query; content:"aterdunst.com"; depth:13; nocase; endswith; fast_pattern; classtype:trojan-activity; sid:2023330; rev:4; metadata:attack_target Client_Endpoint, created_at 2016_10_07, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, updated_at 2019_09_28;)