alert dns $HOME_NET any -> any any (msg:"ET DELETED Observed DNS Query to TA455 Domain"; dns.query; dotprefix; content:".edge-cloudservices.com"; nocase; endswith; reference:url,noticeofpleadings.com/bohrium/; classtype:trojan-activity; sid:2036909; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_07, deployment Perimeter, deprecation_reason Duplicate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_17;)