a2c3f6e9-25a5-4b75-8c6b-ad2d4e155822

directio.sys :inline

Description

Confirmed vulnerable driver from Microsoft Block List

  • UUID: a2c3f6e9-25a5-4b75-8c6b-ad2d4e155822
  • Created: 2023-07-22
  • Author: Michael Haag
  • Acknowledgement: |

DownloadBlock

Use CasePrivilegesOperating System
Elevate privilegeskernelWindows

Detections

YARA 🏹

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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://gist.github.com/mgraeber-rc/1bde6a2a83237f17b463d051d32e802c

    • CVE

    • Known Vulnerable Samples

    PropertyValue
    Filename
    Creation Timestamp2010-06-29 18:26:39
    MD56ba44f6ab055d6827a3ba43b215a7e13
    SHA1750f1e91d04c25aff8825fb2e3b8341212a431f0
    SHA256e6a7a497010579fde69cd52bed8de28db610c33bbc5ce0774459dcf64657b802
    Authentihash MD56f37ada0b6fac68e49db4573cca8a982
    Authentihash SHA1ebf8c7dc8292950acc260a0e473678ae3c56b210
    Authentihash SHA25643b7715e38449bf82ad0bb6b11d03da42150c1ee23148c5f396cc4ab1001622d
    RichPEHeaderHash MD58193c37da7962d923239cec2ac2dc04b
    RichPEHeaderHash SHA1350f748608e3f21d4329c72bbaec93c5b26a5613
    RichPEHeaderHash SHA256916a2d46d6b3fca2c7a378ae3b1c286d278a561bfa67dcba045e66e007682657

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    Certificates

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    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 38e7fa0db1a398f805bb85a69171dc9d
    FieldValue
    ToBeSigned (TBS) MD5159feaed9447c7d71653069c337ec2b3
    ToBeSigned (TBS) SHA15079a8aa946ee016c86153d4456f58277360c036
    ToBeSigned (TBS) SHA256e76ee5754b8da5b514befb3a89eed638de08605326a1e611ddbed9e864551abf
    SubjectC=AU, ST=NSW, O=PassMark Software Pty Ltd, OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=PassMark Software Pty Ltd
    ValidFrom2009-09-22 00:00:00
    ValidTo2012-10-18 23:59:59
    Signatureb7f68f477ab8836d5a2eaa9eaf9449186c71f90679d58058c558928f1ad7c76398511ce520afd6dce66540f536c377f824cf5b84fd60f83ead01a592fbce29cc51cca7da2fe8b50e89bc6999104fb406db3b878a7f9f148c767b668b84fcba161c1c14215de332cfcfc2fa52bce1543341231dd345b41da888372d4a2f82711f6125e029fd71859711bccd6b600247a440b6603296cfa9451e6ec81d51b1b7512705461af59e23e0423ba441c68025359a6e591c6370fa516188f8d720a16c6c7b24e975a204fbe5a3b8236443813e993d717df40642fe7d88d85aa1a51b47a3a05232da19c8f2de4144aa11d4577379c794ef9a48d60fc40f8793d5273a25da
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityFalse
    SerialNumber38e7fa0db1a398f805bb85a69171dc9d
    Version3
    Certificate 655226e1b22e18e1590f2985ac22e75c
    FieldValue
    ToBeSigned (TBS) MD5650704c342850095f3288eaf791147d4
    ToBeSigned (TBS) SHA14cdc38c800761463749c3cbd94a12f32e49877bf
    ToBeSigned (TBS) SHA25607b8f662558ec85b71b43a79c6e94698144f4ced2308af21e7ba1e5d461da214
    SubjectC=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)09, CN=VeriSign Class 3 Code Signing 2009,2 CA
    ValidFrom2009-05-21 00:00:00
    ValidTo2019-05-20 23:59:59
    Signature8b03c0dd94d841a26169b015a878c730c6903c7e42f724b6e4837317047f04109ca1e2fa812febc0ca44e772e050b6551020836e9692e49a516ab43731dca52deb8c00c71d4fe74d32ba85f84ebefa675565f06abe7aca64381a101078457631f3867a030f60c2b35d9df68b6676821b59e183e5bd49a53856e5de41770e580f
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber655226e1b22e18e1590f2985ac22e75c
    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

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    • ntoskrnl.exe

    Imported Functions

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    • IoAllocateErrorLogEntry
    • DbgPrint
    • ZwCreateFile
    • IofCallDriver
    • ZwOpenKey
    • IoGetDeviceObjectPointer
    • ZwQueryValueKey
    • ZwUnmapViewOfSection
    • ExAllocatePoolWithTag
    • ExAllocatePool
    • IoWriteErrorLogEntry
    • ZwClose
    • IoBuildDeviceIoControlRequest
    • RtlAppendUnicodeStringToString
    • IoDeleteSymbolicLink
    • IofCompleteRequest
    • ExFreePoolWithTag
    • ObReferenceObjectByHandle
    • KeWaitForSingleObject
    • RtlWriteRegistryValue
    • NtBuildNumber
    • ZwMapViewOfSection
    • IoCreateSymbolicLink
    • RtlInitUnicodeString
    • ObfDereferenceObject
    • RtlIntegerToUnicodeString
    • IoDeleteDevice
    • IoCreateDevice
    • RtlAppendUnicodeToString
    • MmGetPhysicalMemoryRanges
    • KeInitializeEvent
    • RtlQueryRegistryValues
    • ZwWriteFile
    • ZwOpenSection
    • ObReferenceObjectByPointer
    • PsGetProcessId
    • KeQueryActiveProcessors
    • KeLeaveCriticalRegion
    • MmGetSystemRoutineAddress
    • KdSystemDebugControl
    • KeEnterCriticalRegion
    • KdDebuggerEnabled
    • KeBugCheckEx

    Exported Functions

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    Sections

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

    Signature

    Expand
    {
  "Certificates": [
    {
      "IsCertificateAuthority": 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
    },
    {
      "IsCertificateAuthority": true,
      "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
    },
    {
      "IsCertificateAuthority": false,
      "SerialNumber": "38e7fa0db1a398f805bb85a69171dc9d",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=AU, ST=NSW, O=PassMark Software Pty Ltd, OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=PassMark Software Pty Ltd",
      "TBS": {
        "MD5": "159feaed9447c7d71653069c337ec2b3",
        "SHA1": "5079a8aa946ee016c86153d4456f58277360c036",
        "SHA256": "e76ee5754b8da5b514befb3a89eed638de08605326a1e611ddbed9e864551abf",
        "SHA384": "9830194c19654f1196e74505a987588c36aa700489f3f482f1ad017bba6e39ebf9be18ab153da8cd9f8a672801820a87"
      },
      "ValidFrom": "2009-09-22 00:00:00",
      "ValidTo": "2012-10-18 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "655226e1b22e18e1590f2985ac22e75c",
      "Signature": "8b03c0dd94d841a26169b015a878c730c6903c7e42f724b6e4837317047f04109ca1e2fa812febc0ca44e772e050b6551020836e9692e49a516ab43731dca52deb8c00c71d4fe74d32ba85f84ebefa675565f06abe7aca64381a101078457631f3867a030f60c2b35d9df68b6676821b59e183e5bd49a53856e5de41770e580f",
      "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)09, CN=VeriSign Class 3 Code Signing 2009,2 CA",
      "TBS": {
        "MD5": "650704c342850095f3288eaf791147d4",
        "SHA1": "4cdc38c800761463749c3cbd94a12f32e49877bf",
        "SHA256": "07b8f662558ec85b71b43a79c6e94698144f4ced2308af21e7ba1e5d461da214",
        "SHA384": "2a271d052213438467d09d60eaa4010c8642fff3eb0070e0cf9969428713c8fdc066b90996d594dd3136f5bd0af5a22a"
      },
      "ValidFrom": "2009-05-21 00:00:00",
      "ValidTo": "2019-05-20 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "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)09, CN=VeriSign Class 3 Code Signing 2009,2 CA",
      "SerialNumber": "38e7fa0db1a398f805bb85a69171dc9d",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

    source

    last_updated: 2024-09-26