Versions (3)
Version DetailsCurrent
Rev: 2 • Apr 7, 2022, 12:00 PMET MALWARE Observed DNS Query to TA455 Domain (defenderupdate .ddns .net)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to TA455 Domain (defenderupdate .ddns .net)"; dns.query; dotprefix; content:".defenderupdate.ddns.net"; nocase; endswith; reference:url,about.fb.com/wp-content/uploads/2022/04/Meta-Quarterly-Adversarial-Threat-Report_Q1-2022.pdf; classtype:trojan-activity; sid:2035816; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_07, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_01;)
Apr 7, 2022, 12:00 PM
Aug 1, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 4, 2025, 9:34 PM
rules/emerging-malware.rules