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Detection rules › Sigma

Tap Driver Installation

Status
test
Severity
medium
Log source
product windows, service system
Author
Daniil Yugoslavskiy, Ian Davis, oscd.community
Source
github.com/SigmaHQ/sigma

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

Known false positives

  • Legitimate OpenVPN TAP installation

MITRE ATT&CK coverage

TacticTechniques
Exfiltration

Telemetry coverage

ProviderRecord / event type
Service-Control-ManagerEvent ID 7045: A service was installed in the system.

Rule body

title: Tap Driver Installation
id: 8e4cf0e5-aa5d-4dc3-beff-dc26917744a9
status: test
description: Well-known TAP software installation. Possible preparation for data exfiltration using tunnelling techniques
references:
    - https://community.openvpn.net/openvpn/wiki/ManagingWindowsTAPDrivers
author: Daniil Yugoslavskiy, Ian Davis, oscd.community
date: 2019-10-24
modified: 2022-12-25
tags:
    - attack.exfiltration
    - attack.t1048
logsource:
    product: windows
    service: system
detection:
    selection:
        Provider_Name: 'Service Control Manager'
        EventID: 7045
        ImagePath|contains: 'tap0901'
    condition: selection
falsepositives:
    - Legitimate OpenVPN TAP installation
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    Provider_Name: 'Service Control Manager'
    EventID: 7045
    ImagePath|contains: 'tap0901'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
ImagePathmatch
  • tap0901
field:"ImagePath" kind:match value:"tap0901"
Provider_Nameeq
  • Service Control Manager corpus 50 (sigma 50)
field:"Provider_Name" kind:eq value:"Service Control Manager"