Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Gamaredon Domain (osmanpo .ru)"; dns.query; dotprefix; content:".osmanpo.ru"; nocase; endswith; reference:url,twitter.com/500mk500/status/1632451011079028740; classtype:trojan-activity; sid:2044440; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_03_06, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_06;)