Remote Access Tool - Team Viewer Session Started On Linux Host

Description

Detects the command line executed when TeamViewer starts a session started by a remote host. Once a connection has been started, an investigator can verify the connection details by viewing the "incoming_connections.txt" log file in the TeamViewer folder.

Query · sigma

selection:
  ParentImage|endswith: /TeamViewer_Service
  Image|endswith: /TeamViewer_Desktop
  CommandLine|endswith: /TeamViewer_Desktop --IPCport 5939 --Module 1
condition: selection

Known false positives

  • Legitimate usage of TeamViewer
Raw source Remote Access Tool - Team Viewer Session Started On Linux Host · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Remote Access Tool - Team Viewer Session Started On Linux Host
id: 1f6b8cd4-3e60-47cc-b282-5aa1cbc9182d
related:
    - id: ab70c354-d9ac-4e11-bbb6-ec8e3b153357
      type: similar
    - id: f459ccb4-9805-41ea-b5b2-55e279e2424a
      type: similar
status: test
description: |
    Detects the command line executed when TeamViewer starts a session started by a remote host.
    Once a connection has been started, an investigator can verify the connection details by viewing the "incoming_connections.txt" log file in the TeamViewer folder.
references:
    - Internal Research
author: Josh Nickels, Qi Nan
date: 2024-03-11
tags:
    - attack.persistence
    - attack.initial-access
    - attack.t1133
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        ParentImage|endswith: '/TeamViewer_Service'
        Image|endswith: '/TeamViewer_Desktop'
        CommandLine|endswith: '/TeamViewer_Desktop --IPCport 5939 --Module 1'
    condition: selection
falsepositives:
    - Legitimate usage of TeamViewer
level: low

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