Renamed NetSupport RAT Execution

Description

Detects the execution of a renamed "client32.exe" (NetSupport RAT) via Imphash, Product and OriginalFileName strings

Query · sigma

selection:
- Product|contains: NetSupport Remote Control
- OriginalFileName|contains: client32.exe
- Hashes|contains: IMPHASH=A9D50692E95B79723F3E76FCF70D023E
filter:
  Image|endswith: \client32.exe
condition: selection and not filter

Known false positives

  • Unknown
Raw source Renamed NetSupport RAT Execution · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Renamed NetSupport RAT Execution
id: 0afbd410-de03-4078-8491-f132303cb67d
status: test
description: Detects the execution of a renamed "client32.exe" (NetSupport RAT) via Imphash, Product and OriginalFileName strings
references:
    - https://redcanary.com/blog/misbehaving-rats/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-19
modified: 2024-11-23
tags:
    - attack.stealth
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Product|contains: 'NetSupport Remote Control'
        - OriginalFileName|contains: 'client32.exe'
        - Hashes|contains: IMPHASH=A9D50692E95B79723F3E76FCF70D023E
    filter:
        Image|endswith: '\client32.exe'
    condition: selection and not filter
falsepositives:
    - Unknown
level: high

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