Tap Installer Execution

 1title: Tap Installer Execution
 2id: 99793437-3e16-439b-be0f-078782cf953d
 3status: test
 4description: Well-known TAP software installation. Possible preparation for data exfiltration using tunneling techniques
 5references:
 6    - https://community.openvpn.net/openvpn/wiki/ManagingWindowsTAPDrivers
 7author: Daniil Yugoslavskiy, Ian Davis, oscd.community
 8date: 2019/10/24
 9modified: 2023/12/11
10tags:
11    - attack.exfiltration
12    - attack.t1048
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection:
18        Image|endswith: '\tapinstall.exe'
19    filter_optional_avast:
20        Image|contains:
21            - ':\Program Files\Avast Software\SecureLine VPN\'
22            - ':\Program Files (x86)\Avast Software\SecureLine VPN\'
23    filter_optional_openvpn:
24        Image|contains: ':\Program Files\OpenVPN Connect\drivers\tap\'
25    filter_optional_protonvpn:
26        Image|contains: ':\Program Files (x86)\Proton Technologies\ProtonVPNTap\installer\'
27    condition: selection and not 1 of filter_optional_*
28falsepositives:
29    - Legitimate OpenVPN TAP installation
30level: medium