Tap Installer Execution

Description

Well-known TAP software installation. Possible preparation for data exfiltration using tunneling techniques

Query · sigma

selection:
  Image|endswith: \tapinstall.exe
filter_optional_avast:
  Image|contains:
  - :\Program Files\Avast Software\SecureLine VPN\
  - :\Program Files (x86)\Avast Software\SecureLine VPN\
filter_optional_openvpn:
  Image|contains: :\Program Files\OpenVPN Connect\drivers\tap\
filter_optional_protonvpn:
  Image|contains: :\Program Files (x86)\Proton Technologies\ProtonVPNTap\installer\
condition: selection and not 1 of filter_optional_*

Known false positives

  • Legitimate OpenVPN TAP installation
Raw source Tap Installer Execution · Sigma
Esc
Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Tap Installer Execution
id: 99793437-3e16-439b-be0f-078782cf953d
status: test
description: Well-known TAP software installation. Possible preparation for data exfiltration using tunneling techniques
references:
    - https://community.openvpn.net/openvpn/wiki/ManagingWindowsTAPDrivers
author: Daniil Yugoslavskiy, Ian Davis, oscd.community
date: 2019-10-24
modified: 2023-12-11
tags:
    - attack.exfiltration
    - attack.t1048
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\tapinstall.exe'
    filter_optional_avast:
        Image|contains:
            - ':\Program Files\Avast Software\SecureLine VPN\'
            - ':\Program Files (x86)\Avast Software\SecureLine VPN\'
    filter_optional_openvpn:
        Image|contains: ':\Program Files\OpenVPN Connect\drivers\tap\'
    filter_optional_protonvpn:
        Image|contains: ':\Program Files (x86)\Proton Technologies\ProtonVPNTap\installer\'
    condition: selection and not 1 of filter_optional_*
falsepositives:
    - Legitimate OpenVPN TAP installation
level: medium

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.