Suspicious NodeLoader Disabling Malicious Software Removal Tool Updates (via registry_set)

ATT&CK techniques

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects NodeLoader setting the DontOfferThroughWUAU value under the MRT policy key to prevent the Malicious Software Removal Tool from being delivered through Windows Update. This registry change weakens built in cleanup of the deployed miner.

Reporting behind it

Related detections9 linkedT1685 — drag to rearrange

Suspicious NodeLoader Defender Exclusion for ProgramData via PowerShell (via process_creation)

Suspicious SELinux Enforcement Disabled via setenforce on Ivanti Appliance

Malicious ETW Disabling via COMPlus_ETWEnabled Environment Variable

Suspicious CrazyHunter BYOVD Driver Drop in Public Directory

Suspicious Execution of cfmon.exe Masquerading as ctfmon via CharmingCypress

Suspicious SELinux Enforcement Disabled via Setenforce Command Line (via process_creation)

Suspicious SELinux and Firewall Disabling on Linux by Cryptominer (via process_creation)

Suspicious Windows Defender Exclusion of User Profile via PowerShell (via process_creation)

Malicious Vulnerable Driver Service Creation for BYOVD (via process_creation)

Suspicious NodeLoader Disabling Malicious Software Removal Tool Updates (via registry_set)

Pivot detection · T1685 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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