Versions (2)
Version DetailsCurrent
Rev: 1 • Jul 31, 2025, 12:00 PMET INFO Observed RMM Domain in DNS Lookup (* .optitune .us)
alert dns $HOME_NET any -> any any (msg:"ET INFO Observed RMM Domain in DNS Lookup (* .optitune .us)"; dns.query; dotprefix; content:".optitune.us"; nocase; endswith; reference:url,attack.mitre.org/techniques/T1219/; classtype:misc-activity; sid:2063862; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, affected_product Windows_8, affected_product Windows_10, affected_product OptiTune, attack_target Client_and_Server, created_at 2025_07_31, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag RAT, tag RemoteAccessTool, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_07_31, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1219, mitre_technique_name Remote_Access_Software;)
Jul 31, 2025, 12:00 PM
Jul 31, 2025, 12:00 PM
Jul 31, 2025, 10:35 PM
Aug 1, 2025, 10:34 PM
rules/emerging-info.rules