Suspicious DNS Lookup by Remote Utilities RMM
Description
Identifies suspicious DNS request by Remote Utilities RMM to no default domain names. Adversaries may abuse RMM software for remote access control.
Query · eql
sequence by process.entity_id with maxspan=1m
[process where event.action == "start" and process.parent.name : ("msiexec.exe", "services.exe") and
(process.Ext.relative_file_creation_time <= 500 or process.Ext.relative_file_name_modify_time <= 500) and
process.code_signature.subject_name in ("Ter-Osipov Aleksei Vladimirovich", "Ter-Osipov Aleksey Vladimirovich", "Remote Utilities LLC", "Remote Utilities Pty (Cy) Ltd", "IP Ter-Osipov Aleksey Vladimirovich")]
[dns where dns.question.name : "*.*" and not dns.question.name : ("ocsp.*", "t?.symcb.com", "t?.symcd.com", "ctldl.windowsupdate.com", "*remoteutilities.com")]