bd06e043-0f69-4212-be93-d069bf0de848

AsrCDDrv.sys :inline

Description

AsrCDDrv.sys is a kernel driver from ASRock Incorporation that exposes control register read/write (cr0, cr2, cr3, cr4, cr8), arbitrary MSR read/write, arbitrary physical memory read/write via MmMapIoSpace, contiguous memory allocation/free via MmAllocateContiguousMemorySpecifyCache, and I/O port read/write (8/16/32-bit). The driver is available in the KeServiceDescriptorTable/vulnerable-drivers repository.

  • UUID: bd06e043-0f69-4212-be93-d069bf0de848
  • 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 AsrCDDrv binPath=C:\windows\temp\AsrCDDrv.sys type=kernel && sc.exe start AsrCDDrv
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/326
  • https://github.com/KeServiceDescriptorTable/vulnerable-drivers

    • Known Vulnerable Samples

    PropertyValue
    FilenameAsrCDDrv.sys
    Creation Timestamp2010-12-13 20:34:49
    MD57ee002414a5fa3650d418ebde92e528d
    SHA1554c4784bafef107fc64c170c073af85b8e8b85a
    SHA25604cc7df4077e36199b04afa39204c8f568f7f66f045e73010fb9b7685324442f
    Authentihash MD57ff3d0c2e1fc70b8ab22c7632f12a116
    Authentihash SHA1f0378e4b642a435804a8bc9c4f2560d5a19eb2a7
    Authentihash SHA256550ce92e71808dc6b7fc5cba903c57f761816d35b2e76b4230cb6de6c540fce6
    RichPEHeaderHash MD5e17528a6924e362a582d295d8b9f454d
    RichPEHeaderHash SHA16b9c4cc51c6ed9e9d47186162eaed54e68f15157
    RichPEHeaderHash SHA256086cf6d5b93f22feaf67adc52dcf88d69fd9d7cf1b244bba1cd9e22e4bb9baca
    CompanyASRock Incorporation
    DescriptionASRock Setup Driver
    ProductASRock Setup utility
    OriginalFilenameAsrCDDrv.sys

    Download

    Certificates

    Expand
    Certificate 3825d7faf861af9ef490e726b5d65ad5
    FieldValue
    ToBeSigned (TBS) MD5d6c7684e9aaa508cf268335f83afe040
    ToBeSigned (TBS) SHA118066d20ad92409c567cdfde745279ff71c75226
    ToBeSigned (TBS) SHA256a612fb22ce8be6dab75e47c98508f98496583e79c9c97b936a8caee9ea9f3fff
    SubjectC=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services Signer , G2
    ValidFrom2007-06-15 00:00:00
    ValidTo2012-06-14 23:59:59
    Signature50c54bc82480dfe40d24c2de1ab1a102a1a6822d0c831581370a820e2cb05a1761b5d805fe88dbf19191b3561a40a6eb92be3839b07536743a984fe437ba9989ca95421db0b9c7a08d57e0fad5640442354e01d133a217c84daa27c7f2e1864c02384d8378c6fc53e0ebe00687dda4969e5e0c98e2a5bebf8285c360e1dfad28d8c7a54b64dac71b5bbdac3908d53822a1338b2f8a9aebbc07213f44410907b5651c24bc48d34480eba1cfc902b414cf54c716a3805cf9793e5d727d88179e2c43a2ca53ce7d3df62a3ab84f9400a56d0a835df95e53f418b3570f70c3fbf5ad95a00e17dec4168060c90f2b6e8604f1ebf47827d105c5ee345b5eb94932f233
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityFalse
    SerialNumber3825d7faf861af9ef490e726b5d65ad5
    Version3
    Certificate 47bf1995df8d524643f7db6d480d31a4
    FieldValue
    ToBeSigned (TBS) MD5518d2ea8a21e879c942d504824ac211c
    ToBeSigned (TBS) SHA121ce87d827077e61abddf2beba69fde5432ea031
    ToBeSigned (TBS) SHA2561ec3b4f02e03930a470020e0e48d24b84678bb558f46182888d870541f5e25c7
    SubjectC=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services CA
    ValidFrom2003-12-04 00:00:00
    ValidTo2013-12-03 23:59:59
    Signature4a6bf9ea58c2441c318979992b96bf82ac01d61c4ccdb08a586edf0829a35ec8ca9313e704520def47272f0038b0e4c9934e9ad4226215f73f37214f703180f18b3887b3e8e89700fecf55964e24d2a9274e7aaeb76141f32acee7c9d95eddbb2b853eb59db5d9e157ffbeb4c57ef5cf0c9ef097fe2bd33b521b1b3827f73f4a
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber47bf1995df8d524643f7db6d480d31a4
    Version3
    Certificate 4191a15a3978dfcf496566381d4c75c2
    FieldValue
    ToBeSigned (TBS) MD541011f8d0e7c7a6408334ca387914c61
    ToBeSigned (TBS) SHA1c7fc1727f5b75a6421a1f95c73bbdb23580c48e5
    ToBeSigned (TBS) SHA25688dd3952638ee82738c03168e6fd863fe4eab1059ee5e2926ad8cb587c255dc0
    SubjectC=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)04, CN=VeriSign Class 3 Code Signing 2004 CA
    ValidFrom2004-07-16 00:00:00
    ValidTo2014-07-15 23:59:59
    Signatureae3a17b84a7b55fa6455ec40a4ed494190999c89bcaf2e1dca7823f91c190f7feb68bc32d98838dedc3fd389b43fb18296f1a45abaed2e26d3de7c016e000a00a4069211480940f91c1879672324e0bbd5e150ae1bf50edde02e81cd80a36c524f9175558aba22f2d2ea4175882f63557d1e545a9559cad93481c05f5ef67ab5
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber4191a15a3978dfcf496566381d4c75c2
    Version3
    Certificate 5958ecc30dd6f80e6e7ba7ee62cca802
    FieldValue
    ToBeSigned (TBS) MD594dd40fb7f02f41e5d6c615a8843a724
    ToBeSigned (TBS) SHA1c7185b172a9d61dc30f2e9f40878d010fd38774b
    ToBeSigned (TBS) SHA256ea6a2d5c3ed62615c1f9fc5d4a151a20fbca985a6bcd71bec5c570ec8e05c316
    SubjectC=TW, ST=TAIWAN, L=Taipei, O=ASROCK Incorporation, OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=ASROCK Incorporation
    ValidFrom2008-03-20 00:00:00
    ValidTo2011-04-04 23:59:59
    Signature179fbf5dd400138d3d484517a6375dd973c3679b73725ec83b4b9fd6fc7b064b619c47f7127e039e62d2dbea7aae89f4a54974ec94f22b62d9a289dd2c5384726f59991a09e672281308cf85d62c11c33251a319d2d017606594597e0a9ad63760309819db18ff72b3aed4c8da0d9b9811a1efa1ff05874e803a8ff73df738b7949382f045a19d68c1baae7cc5b1b7a2c07b5a911ce59a5ab03976564c0ca80e663e7b872d5713c2814d06036d22632716bc7e7be1244e9838ec543c7c157dd27d40800bc907bd4a428754465dcf738738b096f1b1054bf989a94f2129a67d369931517b5f4701cffb5264ef481bc0fce0a7345496a17aecdc875782b2b93f00
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityFalse
    SerialNumber5958ecc30dd6f80e6e7ba7ee62cca802
    Version3
    Certificate 610c120600000000001b
    FieldValue
    ToBeSigned (TBS) MD553c41bc1164e09e0cd1617a5bf913efd
    ToBeSigned (TBS) SHA193c03aac8951d494ecd5696b1c08658541b18727
    ToBeSigned (TBS) SHA25640bddadac24dc61ca4fb5cab2a2bc5d876bc36808311039a7a3e1a4066f7489b
    SubjectC=US, O=VeriSign, Inc., OU=Class 3 Public Primary Certification Authority
    ValidFrom2006-05-23 17:01:29
    ValidTo2016-05-23 17:11:29
    Signature01e446b33b457f7513877e5f43de468ecb8abdb64741bccccc7491d8ce395195a4a6b547c0efd2da7b8f5711f4328c7ccd3fee42da04214af7c843884a6f5cca14fc4bd19f4cbdd4556ecc02be0da6888f8609baa425bde8b0f0fa8b714e67b0cb82a8d78e55f737ebf03e88efe4e08afd1c6e2e61414875b4b02c1d28d8490fd715f02473253ccc880cde284c6554fe5eae8cea19ad2c51b29b3a47f53c80350117e24987d6544afb4bab07bcbf7d79cfbf35005cbb9ecffc82891b39a05197b6dec0b307ff449644c0342a195cabeef03bec294eb513c537857e75d5b4d60d066eb5d26c237167eaf1718eaf4e74aa0cf9ecbf4c58fa5e909b6d39cb86883f8b1ca81632d5fe6db9f1f8b3ead791f6364778c0272a15c768d6f4c5fc4f4ec8673f102d409ff11ec96148e7a703fc31730cf04688fe56da492995ef09daa3e5beef60ecd954a0599c28bd54ef66157f874c84dba60e95672e517b3439b641c28c846826dc240209e7818e0a972defeea7b998a60f818dc710b5e1ed982f486f53854964789bec5dac970b5526c3efba8dc8d1a52f5a7f936b611a339b18b8a26210de24ea76e12f43ebecdd7c12342489da2855aee5754e312b6763b6a8d7ab730a03cec5ea593fc7eb2a45aea8625b2f009939abb45f73c308ec80118f470e8f2a1343e191066255bbffba3da9a93d260faeca7d628b155589d694344dd665
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber610c120600000000001b
    Version3

    Imports

    Expand
    • ntoskrnl.exe
    • HAL.dll

    Imported Functions

    Expand
    • RtlInitUnicodeString
    • IoDeleteDevice
    • MmUnmapIoSpace
    • MmGetPhysicalAddress
    • MmMapIoSpace
    • MmFreeContiguousMemorySpecifyCache
    • IoCreateSymbolicLink
    • IoCreateDevice
    • MmAllocateContiguousMemorySpecifyCache
    • KeBugCheckEx
    • IofCompleteRequest
    • IoDeleteSymbolicLink
    • KeStallExecutionProcessor

    Exported Functions

    Expand

    Sections

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

    Signature

    Expand
    {
  "Certificates": [
    {
      "CertificateType": "Intermediate",
      "IsCA": false,
      "IsCertificateAuthority": false,
      "IsCodeSigning": false,
      "SerialNumber": "3825d7faf861af9ef490e726b5d65ad5",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services Signer , G2",
      "TBS": {
        "MD5": "d6c7684e9aaa508cf268335f83afe040",
        "SHA1": "18066d20ad92409c567cdfde745279ff71c75226",
        "SHA256": "a612fb22ce8be6dab75e47c98508f98496583e79c9c97b936a8caee9ea9f3fff",
        "SHA384": "35c249d6ad0261a6229b2a727067ac6ba32a5d24b30b9249051f748c7735fbe2ec2ef26a702c50df1790fbe32a65aee7"
      },
      "ValidFrom": "2007-06-15 00:00:00",
      "ValidTo": "2012-06-14 23:59:59",
      "Version": 3
    },
    {
      "CertificateType": "CA",
      "IsCA": true,
      "IsCertificateAuthority": true,
      "IsCodeSigning": false,
      "SerialNumber": "47bf1995df8d524643f7db6d480d31a4",
      "Signature": "4a6bf9ea58c2441c318979992b96bf82ac01d61c4ccdb08a586edf0829a35ec8ca9313e704520def47272f0038b0e4c9934e9ad4226215f73f37214f703180f18b3887b3e8e89700fecf55964e24d2a9274e7aaeb76141f32acee7c9d95eddbb2b853eb59db5d9e157ffbeb4c57ef5cf0c9ef097fe2bd33b521b1b3827f73f4a",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services CA",
      "TBS": {
        "MD5": "518d2ea8a21e879c942d504824ac211c",
        "SHA1": "21ce87d827077e61abddf2beba69fde5432ea031",
        "SHA256": "1ec3b4f02e03930a470020e0e48d24b84678bb558f46182888d870541f5e25c7",
        "SHA384": "53e346bbde23779a5d116cc9d86fdd71c97b1f1b343439f8a11aa1d3c87af63864bb8488a5aeb2d0c26a6a1e0b15f03f"
      },
      "ValidFrom": "2003-12-04 00:00:00",
      "ValidTo": "2013-12-03 23:59:59",
      "Version": 3
    },
    {
      "CertificateType": "CA",
      "IsCA": true,
      "IsCertificateAuthority": true,
      "IsCodeSigning": true,
      "SerialNumber": "4191a15a3978dfcf496566381d4c75c2",
      "Signature": "ae3a17b84a7b55fa6455ec40a4ed494190999c89bcaf2e1dca7823f91c190f7feb68bc32d98838dedc3fd389b43fb18296f1a45abaed2e26d3de7c016e000a00a4069211480940f91c1879672324e0bbd5e150ae1bf50edde02e81cd80a36c524f9175558aba22f2d2ea4175882f63557d1e545a9559cad93481c05f5ef67ab5",
      "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)04, CN=VeriSign Class 3 Code Signing 2004 CA",
      "TBS": {
        "MD5": "41011f8d0e7c7a6408334ca387914c61",
        "SHA1": "c7fc1727f5b75a6421a1f95c73bbdb23580c48e5",
        "SHA256": "88dd3952638ee82738c03168e6fd863fe4eab1059ee5e2926ad8cb587c255dc0",
        "SHA384": "a00aa5ed457c41e37967882644d63366bae014f03a986576d8514164d7027acf7d0b5e03d764db2558f60db148954459"
      },
      "ValidFrom": "2004-07-16 00:00:00",
      "ValidTo": "2014-07-15 23:59:59",
      "Version": 3
    },
    {
      "CertificateType": "Leaf (Code Signing)",
      "IsCA": false,
      "IsCertificateAuthority": false,
      "IsCodeSigning": true,
      "SerialNumber": "5958ecc30dd6f80e6e7ba7ee62cca802",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=TW, ST=TAIWAN, L=Taipei, O=ASROCK Incorporation, OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=ASROCK Incorporation",
      "TBS": {
        "MD5": "94dd40fb7f02f41e5d6c615a8843a724",
        "SHA1": "c7185b172a9d61dc30f2e9f40878d010fd38774b",
        "SHA256": "ea6a2d5c3ed62615c1f9fc5d4a151a20fbca985a6bcd71bec5c570ec8e05c316",
        "SHA384": "66f8fb4b317b88fd1b3a28e7652b37ef64f2f26a35de7371160863f1fd8e38abc166c58a3c1cf0f1ddc89fdaa02fb64a"
      },
      "ValidFrom": "2008-03-20 00:00:00",
      "ValidTo": "2011-04-04 23:59:59",
      "Version": 3
    },
    {
      "CertificateType": "CA",
      "IsCA": true,
      "IsCertificateAuthority": true,
      "IsCodeSigning": false,
      "SerialNumber": "610c120600000000001b",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., OU=Class 3 Public Primary Certification Authority",
      "TBS": {
        "MD5": "53c41bc1164e09e0cd1617a5bf913efd",
        "SHA1": "93c03aac8951d494ecd5696b1c08658541b18727",
        "SHA256": "40bddadac24dc61ca4fb5cab2a2bc5d876bc36808311039a7a3e1a4066f7489b",
        "SHA384": "f51d4e75ba638f7314cd59b8d6d45f3b34d35ce6986e9d205cd6f333e8e8d8e9c91f636e6bc84731b6661673f40963d8"
      },
      "ValidFrom": "2006-05-23 17:01:29",
      "ValidTo": "2016-05-23 17:11:29",
      "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)04, CN=VeriSign Class 3 Code Signing 2004 CA",
      "SerialNumber": "5958ecc30dd6f80e6e7ba7ee62cca802",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

    source

    last_updated: 2026-04-20