Remote Access Tool - RURAT Execution From Unusual Location

Description

Detects execution of Remote Utilities RAT (RURAT) from an unusual location (outside of 'C:\Program Files')

Query · sigma

selection:
- Image|endswith:
  - \rutserv.exe
  - \rfusclient.exe
- Product: Remote Utilities
filter:
  Image|startswith:
  - C:\Program Files\Remote Utilities
  - C:\Program Files (x86)\Remote Utilities
condition: selection and not filter

Known false positives

  • Unknown
Raw source Remote Access Tool - RURAT Execution From Unusual Location · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Remote Access Tool - RURAT Execution From Unusual Location
id: e01fa958-6893-41d4-ae03-182477c5e77d
status: test
description: Detects execution of Remote Utilities RAT (RURAT) from an unusual location (outside of 'C:\Program Files')
references:
    - https://redcanary.com/blog/misbehaving-rats/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-19
modified: 2023-03-05
tags:
    - attack.stealth
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith:
              - '\rutserv.exe'
              - '\rfusclient.exe'
        - Product: 'Remote Utilities'
    filter:
        Image|startswith:
            - 'C:\Program Files\Remote Utilities'
            - 'C:\Program Files (x86)\Remote Utilities'
    condition: selection and not filter
falsepositives:
    - Unknown
level: medium

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