408964b3-1799-425b-92bf-465c72a272d1

TBT_Force_Power_Control_Access64.sys :inline

Description

TBT_Force_Power_Control_Access64.sys is a Thunderbolt force power control driver from Wistron Corporation that exposes physical memory read/write via MmMapIoSpace. Wistron is a major Taiwan-based OEM/ODM. Another Wistron driver (WiRwaDrv.sys) is already tracked in LOLDrivers. The driver is available in the KeServiceDescriptorTable/vulnerable-drivers repository.

  • UUID: 408964b3-1799-425b-92bf-465c72a272d1
  • Created: 2026-04-17
  • Author: Michael Haag
  • Acknowledgement: | [@rainbowdynamix, @DbgPrint](https://twitter.com/@rainbowdynamix, @DbgPrint)

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Commands

sc.exe create TBT_Force_Power_Control_Access64 binPath=C:\windows\temp\TBT_Force_Power_Control_Access64.sys type=kernel && sc.exe start TBT_Force_Power_Control_Access64
Use CasePrivilegesOperating System
Elevate privilegeskernelWindows 10

Detections

YARA 🏹

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Exact Match

with header and size limitation

Threat Hunting

without header and size limitation

Renamed

for renamed driver files

Sigma 🛡️

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Names

detects loading using name only

Hashes

detects loading using hashes only

Sysmon 🔎

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Block

on hashes

Alert

on hashes

Resources


  • https://github.com/magicsword-io/LOLDrivers/issues/316
  • https://github.com/KeServiceDescriptorTable/vulnerable-drivers

    • Known Vulnerable Samples

    PropertyValue
    FilenameTBT_Force_Power_Control_Access64.sys
    Creation Timestamp2013-04-11 20:03:11
    MD5a4de3d1854ba9b8e77b2324c52887a2c
    SHA18a7e3d57f841e2f70453de312ab3b3710c5f7255
    SHA2564c776f34c6042d943baec3c13d7154a245aae8dd95e1933211fd19352c770676
    Authentihash MD58244400588a570fbdcc256f5be828537
    Authentihash SHA196e15eb936c049ac87d0df9b052ae7d81c8ba9a4
    Authentihash SHA256f1768c07fb9554099980845b42ef3e545734ed98cee7be89d546351e7dbaac44
    RichPEHeaderHash MD5501b9a0c68a7c9c565a4d76cb6f67f8d
    RichPEHeaderHash SHA1542fc0119a9c81791ee7b6651ab5c967990b4945
    RichPEHeaderHash SHA25618666117fda7dde8ec20ccc551656f4087a434b8a5efaef91077a3bed93d2b39

    Download

    Certificates

    Expand
    Certificate 397eabd0a3fccd492184ef60ab31c8b8
    FieldValue
    ToBeSigned (TBS) MD58384171634276b77f5d1f927983156df
    ToBeSigned (TBS) SHA114d5bbddcea1e088ce6c6c64b13c95afd9652fca
    ToBeSigned (TBS) SHA256651023d5a56088eef928285bf1d3ed1207dbce6466e2cbb056e95a8233c9353e
    SubjectC=TW, ST=Taiwan, L=Taipei, O=Wistron Corporation, OU=Digital ID Class 3 , Microsoft Software Validation v2, OU=OS Certification Dept., CN=Wistron Corporation
    ValidFrom2012-03-16 00:00:00
    ValidTo2015-03-16 23:59:59
    Signaturec26cf2a80d12cbbd367ac79004b16ead094998318f91b5f0b24e24901723b6ec774562b4e90c4faefd332372fd448a74c54145b19b7587c29f540518701de6f0f77fe743949429f293bcabc8e5ade6312b5261d30354510a468663b06bf74fadb2be455c68e24291bab882ae19b1da343122cbfc0a57c1f901043dd94081f48b5e4527db24c1bb6aa4579bc3a01f3533721337474a587b8611640b30ae4cc53467b51d1ec3e72ba0b3f609df795a26a7051198e58cf10cf2328370d47f4decf0a06bdd0ecb02b273e7ed7a7f01bf50134c100994bafba61eb5c033855ec9d2466426922ffd36ac83323d9d224aa15646c8f5d287b0cd76833fe2837a35493979
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityFalse
    SerialNumber397eabd0a3fccd492184ef60ab31c8b8
    Version3
    Certificate 611993e400000000001c
    FieldValue
    ToBeSigned (TBS) MD578a717e082dcc1cda3458d917e677d14
    ToBeSigned (TBS) SHA14a872e0e51f9b304469cd1dedb496ee9b8b983a4
    ToBeSigned (TBS) SHA256317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8
    SubjectC=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=(c) 2006 VeriSign, Inc. , For authorized use only, CN=VeriSign Class 3 Public Primary Certification Authority , G5
    ValidFrom2011-02-22 19:25:17
    ValidTo2021-02-22 19:35:17
    Signature812a82168c34672be503eb347b8ca2a3508af45586f11e8c8eae7dee0319ce72951848ad6211fd20fd3f4706015ae2e06f8c152c4e3c6a506c0b36a3cf7a0d9c42bc5cf819d560e369e6e22341678c6883762b8f93a32ab57fbe59fba9c9b2268fcaa2f3821b983e919527978661ee5b5d076bcd86a8e26580a8e215e2b2be23056aba0cf347934daca48c077939c061123a050d89a3ec9f578984fbecca7c47661491d8b60f195de6b84aacbc47c8714396e63220a5dc7786fd3ce38b71db7b9b03fcb71d3264eb1652a043a3fa2ead59924e7cc7f233424838513a7c38c71b242228401e1a461f17db18f7f027356cb863d9cdb9645d2ba55eefc629b4f2c7f821cc04ba57fd01b6abc667f9e7d3997ff4f522fa72f5fdff3a1c423aa1f98018a5ee8d1cd4669e4501feaaeefffb178f30f7f1cd29c59decb5d549003d85b8cbbb933a276a49c030ae66c9f723283276f9a48356c848ce5a96aaa0cc0cc47fb48e97af6de35427c39f86c0d6e473089705dbd054625e0348c2d59f7fa7668cd09db04fd4d3985f4b7ac97fb22952d01280c70f54b61e67cdc6a06c110384d34875e72afeb03b6e0a3aa66b769905a3f177686133144706fc537f52bd92145c4a246a678caf8d90aad0f679211b93267cc3ce1ebd883892ae45c6196a4950b305f8ae59378a6a250394b1598150e8ba8380b72335f476b9671d5918ad208d94
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber611993e400000000001c
    Version3
    Certificate 5200e5aa2556fc1a86ed96c9d44b33c7
    FieldValue
    ToBeSigned (TBS) MD5b30c31a572b0409383ed3fbe17e56e81
    ToBeSigned (TBS) SHA14843a82ed3b1f2bfbee9671960e1940c942f688d
    ToBeSigned (TBS) SHA25603cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9
    SubjectC=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA
    ValidFrom2010-02-08 00:00:00
    ValidTo2020-02-07 23:59:59
    Signature5622e634a4c461cb48b901ad56a8640fd98c91c4bbcc0ce5ad7aa0227fdf47384a2d6cd17f711a7cec70a9b1f04fe40f0c53fa155efe749849248581261c911447b04c638cbba134d4c645e80d85267303d0a98c646ddc7192e645056015595139fc58146bfed4a4ed796b080c4172e737220609be23e93f449a1ee9619dccb1905cfc3dd28dac423d6536d4b43d40288f9b10cf2326cc4b20cb901f5d8c4c34ca3cd8e537d66fa520bd34eb26d9ae0de7c59af7a1b42191336f86e858bb257c740e58fe751b633fce317c9b8f1b969ec55376845b9cad91faaced93ba5dc82153c2825363af120d5087111b3d5452968a2c9c3d921a089a052ec793a54891d3
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber5200e5aa2556fc1a86ed96c9d44b33c7
    Version3

    Imports

    Expand
    • ntoskrnl.exe
    • HAL.dll

    Imported Functions

    Expand
    • MmFreeContiguousMemory
    • MmUnmapIoSpace
    • MmGetPhysicalAddress
    • MmMapIoSpace
    • IoDeleteDevice
    • IoCreateSymbolicLink
    • IoCreateDevice
    • MmAllocateContiguousMemory
    • KeBugCheckEx
    • RtlInitUnicodeString
    • IofCompleteRequest
    • IoDeleteSymbolicLink
    • HalSetBusDataByOffset
    • HalGetBusDataByOffset

    Exported Functions

    Expand

    Sections

    Expand
    • .text
    • .rdata
    • .data
    • .pdata
    • INIT

    Signature

    Expand
    {
  "Certificates": [
    {
      "CertificateType": "Leaf (Code Signing)",
      "IsCA": false,
      "IsCertificateAuthority": false,
      "IsCodeSigning": true,
      "SerialNumber": "397eabd0a3fccd492184ef60ab31c8b8",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=TW, ST=Taiwan, L=Taipei, O=Wistron Corporation, OU=Digital ID Class 3 , Microsoft Software Validation v2, OU=OS Certification Dept., CN=Wistron Corporation",
      "TBS": {
        "MD5": "8384171634276b77f5d1f927983156df",
        "SHA1": "14d5bbddcea1e088ce6c6c64b13c95afd9652fca",
        "SHA256": "651023d5a56088eef928285bf1d3ed1207dbce6466e2cbb056e95a8233c9353e",
        "SHA384": "308187bdee3ff6a7969fec553ba65c9fc1f62527a7c878b130f69f96e58bb554952d1ee0a8d7abf7358eb2148369bfb0"
      },
      "ValidFrom": "2012-03-16 00:00:00",
      "ValidTo": "2015-03-16 23:59:59",
      "Version": 3
    },
    {
      "CertificateType": "CA",
      "IsCA": true,
      "IsCertificateAuthority": true,
      "IsCodeSigning": false,
      "SerialNumber": "611993e400000000001c",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=(c) 2006 VeriSign, Inc. , For authorized use only, CN=VeriSign Class 3 Public Primary Certification Authority , G5",
      "TBS": {
        "MD5": "78a717e082dcc1cda3458d917e677d14",
        "SHA1": "4a872e0e51f9b304469cd1dedb496ee9b8b983a4",
        "SHA256": "317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8",
        "SHA384": "b71052da4eb9157c8c1a5d7f55df19d69b9128598b72fcca608e5b7cc7d64c43c5504b9c86355a6dc22ee40c88cc385c"
      },
      "ValidFrom": "2011-02-22 19:25:17",
      "ValidTo": "2021-02-22 19:35:17",
      "Version": 3
    },
    {
      "CertificateType": "CA",
      "IsCA": true,
      "IsCertificateAuthority": true,
      "IsCodeSigning": true,
      "SerialNumber": "5200e5aa2556fc1a86ed96c9d44b33c7",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA",
      "TBS": {
        "MD5": "b30c31a572b0409383ed3fbe17e56e81",
        "SHA1": "4843a82ed3b1f2bfbee9671960e1940c942f688d",
        "SHA256": "03cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9",
        "SHA384": "bbda8407c4f9fc4e54d772f1c7fb9d30bc97e1f97ecd51c443063d1fa0644e266328781776cd5c44896c457c75f4d7da"
      },
      "ValidFrom": "2010-02-08 00:00:00",
      "ValidTo": "2020-02-07 23:59:59",
      "Version": 3
    }
  ],
  "CertificatesInfo": "",
  "Signer": [
    {
      "Issuer": "C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA",
      "SerialNumber": "397eabd0a3fccd492184ef60ab31c8b8",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

    source

    last_updated: 2026-04-20