Remote Access Utility - NetSupport Execution From Unusual Location (via process_creation)

title: Remote Access Utility - NetSupport Execution From Unusual Location (via process_creation)
id: 6317a20a-caf5-59de-9141-00f931a4fc2b
status: stable
description: This rule detects execution of client32.exe (NetSupport RAT) from an unusual location (outside of 'C:\Program Files')
references:
    - https://redcanary.com/blog/misbehaving-rats/
author: Huntrule Team
date: 2026-06-01
tags:
    - attack.stealth
    - attack.command-and-control
    - attack.t1219
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\client32.exe'
        - Product|contains: 'NetSupport Remote Control'
        - OriginalFileName|contains: 'client32.exe'
        - Hashes|contains: IMPHASH=a9d50692e95b79723f3e76fcf70d023e
    filter:
        Image|startswith:
            - 'C:\Program Files\'
            - 'C:\Program Files (x86)\'
    condition: selection and not filter
falsepositives:
    - Unknown
level: medium