c366ee89-97ae-4523-b635-e05769384bd3

whql.sys :inline :inline

Description

whql.sys is a vulnerable kernel driver from the KeServiceDescriptorTable/vulnerable-drivers repository. The driver exposes dangerous kernel primitives to usermode.

  • UUID: c366ee89-97ae-4523-b635-e05769384bd3
  • Created: 2026-04-17
  • Author: Michael Haag
  • Acknowledgement: | [@rainbowdynamix, @DbgPrint](https://twitter.com/@rainbowdynamix, @DbgPrint)

Download

This download link contains the vulnerable driver!

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Commands

sc.exe create whql binPath=C:\windows\temp\whql.sys type=kernel && sc.exe start whql
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 🔎

Expand

Block

on hashes

Alert

on hashes

Resources


  • https://github.com/magicsword-io/LOLDrivers/issues/325
  • https://github.com/KeServiceDescriptorTable/vulnerable-drivers

    • Known Vulnerable Samples

    PropertyValue
    Filenamewhql.sys
    Creation Timestamp2026-03-24 12:50:28
    MD55ea6bc6b8a59d98338b8d94748491838
    SHA1d7a79e147b2b4bd0e0675795c48a3e43c805fb9a
    SHA256412564937dea61ad443a3f50a0f7586aed1bf68795e9af184606804357499cea
    Authentihash MD5d2ab2460dd07e0db1990f45e99e4df5e
    Authentihash SHA12435dc624414a2026077fdcd13c3ebfb2043f08d
    Authentihash SHA25678c77db3e814b83f60f77f9499d8a1a55ed6f85a3e618b4545b6b60d9e17a665
    RichPEHeaderHash MD5803a83db63ca031b217a73cd2e07003e
    RichPEHeaderHash SHA1fbfef185f333654105008468c825c670f349eb4c
    RichPEHeaderHash SHA256032e2cbddb681ff87ccd3487fb0a173e9e7891dcf3c4d7a6019a2be44cc4f745

    Download

    Certificates

    Expand
    Certificate 330000013d8f4dd77862f0ad2000000000013d
    FieldValue
    ToBeSigned (TBS) MD5d98977d115c14597f0bbce9e377d9d36
    ToBeSigned (TBS) SHA13c5bed71f114313ca3ffbe905002568e47a13138
    ToBeSigned (TBS) SHA256642865a6fb047124c66954823d2726901f6288c2a3a1c9062faad0bdb24f738c
    SubjectC=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Hardware Compatibility Publisher
    ValidFrom2025-11-13 19:59:40
    ValidTo2026-11-10 19:59:40
    Signature7027f4dae4e1916c6c1497dc353dcefdef09044faf0b41df8e9cbf316e9efe85e7d6e013218e8a26fcc429326b9ba45d793be971f810a2d94ac47082bb5746f6791d6852fd1a86680337b65509dfe78631e8f603aef366e2f07716d0c65ed188ca0c748c44979be74293858208351ceb59cae059dc2acaa6050db2822f86570b750dcd892f5972680f4a46d1152c2f7e345bcf3a2dd14cc5aea9099e00d3b8be5b07949ccb72d8b7484b24764e7c29704b1001a7b837daa21c76d690e1cfa99ff7324d2f11fe30cf83b79eaac30a776e64c20831fcc1256199ac86d2cb0e8e39f85a1330f8fbfe4fad14d98323ef9d9f3a452badb2e17326e920d235541e7a1f
    SignatureAlgorithmOID1.2.840.113549.1.1.11
    IsCertificateAuthorityFalse
    SerialNumber330000013d8f4dd77862f0ad2000000000013d
    Version3
    Certificate 610baac1000000000009
    FieldValue
    ToBeSigned (TBS) MD5a569061297e8e824767dbc3184a69bea
    ToBeSigned (TBS) SHA1adbb26a587a8f44b4fccaecb306f980d1c55a150
    ToBeSigned (TBS) SHA256cec1afd0e310c55c1dcc601ab8e172917706aa32fb5eaf826813547fdf02dd46
    SubjectC=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2012
    ValidFrom2012-04-18 23:48:38
    ValidTo2027-04-18 23:58:38
    Signature5a8a67daccd5fd0d264177bf0a4678b4b3de12692b7723c2652f015fd203f461ba509d2e8c3972f36c3e6ab11e766decb7f382dcccbbc56970287366173f54ebee011648c446d91b80ae813a8d0f796d68b09eea2d3f39d3ca387ebd5e7c086e19dcc6c2f438336861e2524783e1000156d2bacb878205310a418b4ee77f5f5fed5fd3392d45eba213bffd1ec298417161165fc80a70257c59693124e471e70abb0417f79f721ec9d2bb1abe3d02fe090cb243b4591a99539396215fe0d6b72601429536ac27fdbef48577683d18bdf4be98882211865216f345ec0397107087a37043713cdbc98603170cf5735bc67de15c64edd7c548d7ed32e2d1aad3cfa7f6574e61f977eb67f288b3de00da038fd08a34373e1dd862b8d2b1f3e12f8b723b81967c6ffcec667672601b24f2a0896d5b6d002eef28dd868705c2b4b9e5be64c22af24a155c98e2c42785ff52e3627e0fb2020bd766c70ab2d33d200414503259830a7d9bed5a38120152ba2f5e20728e4af1fde771028c3be107bec973f4dd47d8b4efb4a4b330b9893e76cab90098567eabea8ab8a5d038ab6977130b142fe9aa411ff7babd3a2b348aee0aab63e663f788248e200d2b3b9de3c24952ac9f1f0e393b5dd46e506ae67d523aaa7c3315290d265e0158a74ea93d7a846f743f609fe4324f3600af6d71d33ea646655f8174f1fec171da4ca0415a82ddf11f
    SignatureAlgorithmOID1.2.840.113549.1.1.11
    IsCertificateAuthorityTrue
    SerialNumber610baac1000000000009
    Version3

    Imports

    Expand
    • ntoskrnl.exe
    • WDFLDR.SYS

    Imported Functions

    Expand
    • IoDeleteDevice
    • IoDeleteSymbolicLink
    • __C_specific_handler
    • KeGetCurrentIrql
    • IofCompleteRequest
    • RtlGetVersion
    • KeClearEvent
    • KeSetEvent
    • ExAllocatePool2
    • ExFreePoolWithTag
    • MmBuildMdlForNonPagedPool
    • MmMapLockedPagesSpecifyCache
    • IoCreateSymbolicLink
    • IoAllocateMdl
    • IoFreeMdl
    • IoGetCurrentProcess
    • ObfReferenceObject
    • ObfDereferenceObject
    • KeStackAttachProcess
    • KeUnstackDetachProcess
    • MmGetSystemRoutineAddress
    • ZwQuerySystemInformation
    • IoCreateDevice
    • RtlCopyUnicodeString
    • DbgPrintEx
    • KeWaitForSingleObject
    • KeInitializeEvent
    • DbgPrint
    • MmUnmapLockedPages
    • RtlInitUnicodeString
    • WdfVersionUnbind
    • WdfLdrQueryInterface
    • WdfVersionBind
    • WdfVersionUnbindClass
    • WdfVersionBindClass

    Exported Functions

    Expand

    Sections

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

    Signature

    Expand
    {
  "Certificates": [
    {
      "CertificateType": "Leaf (Code Signing)",
      "IsCA": false,
      "IsCertificateAuthority": false,
      "IsCodeSigning": true,
      "SerialNumber": "330000013d8f4dd77862f0ad2000000000013d",
      "Signature": "7027f4dae4e1916c6c1497dc353dcefdef09044faf0b41df8e9cbf316e9efe85e7d6e013218e8a26fcc429326b9ba45d793be971f810a2d94ac47082bb5746f6791d6852fd1a86680337b65509dfe78631e8f603aef366e2f07716d0c65ed188ca0c748c44979be74293858208351ceb59cae059dc2acaa6050db2822f86570b750dcd892f5972680f4a46d1152c2f7e345bcf3a2dd14cc5aea9099e00d3b8be5b07949ccb72d8b7484b24764e7c29704b1001a7b837daa21c76d690e1cfa99ff7324d2f11fe30cf83b79eaac30a776e64c20831fcc1256199ac86d2cb0e8e39f85a1330f8fbfe4fad14d98323ef9d9f3a452badb2e17326e920d235541e7a1f",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
      "Subject": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Hardware Compatibility Publisher",
      "TBS": {
        "MD5": "d98977d115c14597f0bbce9e377d9d36",
        "SHA1": "3c5bed71f114313ca3ffbe905002568e47a13138",
        "SHA256": "642865a6fb047124c66954823d2726901f6288c2a3a1c9062faad0bdb24f738c",
        "SHA384": "65b73fb035c9d2c72325c92641b097a7cf3c34bbdf43137d18a136988635b7c391e46a68bdae71cbfa0688abb80cd0be"
      },
      "ValidFrom": "2025-11-13 19:59:40",
      "ValidTo": "2026-11-10 19:59:40",
      "Version": 3
    },
    {
      "CertificateType": "CA",
      "IsCA": true,
      "IsCertificateAuthority": true,
      "IsCodeSigning": false,
      "SerialNumber": "610baac1000000000009",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
      "Subject": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2012",
      "TBS": {
        "MD5": "a569061297e8e824767dbc3184a69bea",
        "SHA1": "adbb26a587a8f44b4fccaecb306f980d1c55a150",
        "SHA256": "cec1afd0e310c55c1dcc601ab8e172917706aa32fb5eaf826813547fdf02dd46",
        "SHA384": "e947cac936803f5683196e4ff1b259096073395d0b908522ddce90d57597c9f7b57f7ddcdbe021ba863d843c340da8ba"
      },
      "ValidFrom": "2012-04-18 23:48:38",
      "ValidTo": "2027-04-18 23:58:38",
      "Version": 3
    }
  ],
  "CertificatesInfo": "",
  "Signer": [
    {
      "Issuer": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2012",
      "SerialNumber": "330000013d8f4dd77862f0ad2000000000013d",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

    source

    last_updated: 2026-04-20