{"id":"99793437-3e16-439b-be0f-078782cf953d","title":"Tap Installer Execution","description":"Well-known TAP software installation. Possible preparation for data exfiltration using tunneling techniques","author":"Daniil Yugoslavskiy, Ian Davis, oscd.community","status":"test","level":"medium","date":"2019-10-24","modified":"2023-12-11","tags":["attack.exfiltration","attack.t1048"],"technique_ids":["T1048"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate OpenVPN TAP installation"],"references":["https://community.openvpn.net/openvpn/wiki/ManagingWindowsTAPDrivers"],"source_path":"rules/windows/process_creation/proc_creation_win_tapinstall_execution.yml","source_sha256":"4813ae17ec3a81ed7acd09a67dacdcc77b65756ca6545016dcaf09bb9d137b53","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_tapinstall_execution.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Tap Installer Execution\nid: 99793437-3e16-439b-be0f-078782cf953d\nstatus: test\ndescription: Well-known TAP software installation. Possible preparation for data exfiltration using tunneling techniques\nreferences:\n    - https://community.openvpn.net/openvpn/wiki/ManagingWindowsTAPDrivers\nauthor: Daniil Yugoslavskiy, Ian Davis, oscd.community\ndate: 2019-10-24\nmodified: 2023-12-11\ntags:\n    - attack.exfiltration\n    - attack.t1048\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        Image|endswith: '\\tapinstall.exe'\n    filter_optional_avast:\n        Image|contains:\n            - ':\\Program Files\\Avast Software\\SecureLine VPN\\'\n            - ':\\Program Files (x86)\\Avast Software\\SecureLine VPN\\'\n    filter_optional_openvpn:\n        Image|contains: ':\\Program Files\\OpenVPN Connect\\drivers\\tap\\'\n    filter_optional_protonvpn:\n        Image|contains: ':\\Program Files (x86)\\Proton Technologies\\ProtonVPNTap\\installer\\'\n    condition: selection and not 1 of filter_optional_*\nfalsepositives:\n    - Legitimate OpenVPN TAP installation\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1048","id":"T1048","name":"Exfiltration Over Alternative Protocol","page":"techniques/enterprise/T1048/"}],"data_path":"data/detection-rules/99793437-3e16-439b-be0f-078782cf953d.json","kind":"sigma"}