{"Id":"bd06e043-0f69-4212-be93-d069bf0de848","Tags":["AsrCDDrv.sys"],"Verified":"TRUE","Author":"Michael Haag","Created":"2026-04-17","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create AsrCDDrv binPath=C:\\windows\\temp\\AsrCDDrv.sys type=kernel && sc.exe start AsrCDDrv","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.","Usecase":"Elevate privileges","Privileges":"kernel","OperatingSystem":"Windows 10"},"Resources":["https://github.com/magicsword-io/LOLDrivers/issues/326","https://github.com/KeServiceDescriptorTable/vulnerable-drivers"],"Detection":[],"Acknowledgement":{"Person":"","Handle":"@rainbowdynamix, @DbgPrint"},"KnownVulnerableSamples":[{"Filename":"AsrCDDrv.sys","MD5":"7ee002414a5fa3650d418ebde92e528d","SHA1":"554c4784bafef107fc64c170c073af85b8e8b85a","SHA256":"04cc7df4077e36199b04afa39204c8f568f7f66f045e73010fb9b7685324442f","Signature":"","Date":"","Publisher":"","Company":"ASRock Incorporation","Description":"ASRock Setup Driver","Product":"ASRock Setup utility","ProductVersion":"1.00.00.0000","FileVersion":"1.00.00.0000 built by: WinDDK","MachineType":"AMD64","OriginalFilename":"AsrCDDrv.sys","Authentihash":{"MD5":"7ff3d0c2e1fc70b8ab22c7632f12a116","SHA1":"f0378e4b642a435804a8bc9c4f2560d5a19eb2a7","SHA256":"550ce92e71808dc6b7fc5cba903c57f761816d35b2e76b4230cb6de6c540fce6"},"RichPEHeaderHash":{"MD5":"e17528a6924e362a582d295d8b9f454d","SHA1":"6b9c4cc51c6ed9e9d47186162eaed54e68f15157","SHA256":"086cf6d5b93f22feaf67adc52dcf88d69fd9d7cf1b244bba1cd9e22e4bb9baca"},"Sections":{".text":{"Entropy":6.3166868559763385,"Virtual Size":"0x14fa"},".rdata":{"Entropy":4.7312172898131415,"Virtual Size":"0x1bc"},".data":{"Entropy":0.4697909271189269,"Virtual Size":"0x130"},".pdata":{"Entropy":3.558429299887632,"Virtual Size":"0xd8"},"INIT":{"Entropy":5.328065922243454,"Virtual Size":"0x3ae"},".rsrc":{"Entropy":3.2877257875824744,"Virtual Size":"0x3b8"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2010-12-13 20:34:49","InternalName":"AsrCDDrv.sys","Copyright":"ASRock Incorporation, all rights reserved","Imports":["ntoskrnl.exe","HAL.dll"],"ExportedFunctions":"","ImportedFunctions":["RtlInitUnicodeString","IoDeleteDevice","MmUnmapIoSpace","MmGetPhysicalAddress","MmMapIoSpace","MmFreeContiguousMemorySpecifyCache","IoCreateSymbolicLink","IoCreateDevice","MmAllocateContiguousMemorySpecifyCache","KeBugCheckEx","IofCompleteRequest","IoDeleteSymbolicLink","KeStallExecutionProcessor"],"Signatures":[{"CertificatesInfo":"","SignerInfo":"","Certificates":[{"Subject":"C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services Signer , G2","ValidFrom":"2007-06-15 00:00:00","ValidTo":"2012-06-14 23:59:59","Signature":"50c54bc82480dfe40d24c2de1ab1a102a1a6822d0c831581370a820e2cb05a1761b5d805fe88dbf19191b3561a40a6eb92be3839b07536743a984fe437ba9989ca95421db0b9c7a08d57e0fad5640442354e01d133a217c84daa27c7f2e1864c02384d8378c6fc53e0ebe00687dda4969e5e0c98e2a5bebf8285c360e1dfad28d8c7a54b64dac71b5bbdac3908d53822a1338b2f8a9aebbc07213f44410907b5651c24bc48d34480eba1cfc902b414cf54c716a3805cf9793e5d727d88179e2c43a2ca53ce7d3df62a3ab84f9400a56d0a835df95e53f418b3570f70c3fbf5ad95a00e17dec4168060c90f2b6e8604f1ebf47827d105c5ee345b5eb94932f233","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"3825d7faf861af9ef490e726b5d65ad5","Version":3,"CertificateType":"Intermediate","IsCodeSigning":false,"IsCA":false,"TBS":{"MD5":"d6c7684e9aaa508cf268335f83afe040","SHA1":"18066d20ad92409c567cdfde745279ff71c75226","SHA256":"a612fb22ce8be6dab75e47c98508f98496583e79c9c97b936a8caee9ea9f3fff","SHA384":"35c249d6ad0261a6229b2a727067ac6ba32a5d24b30b9249051f748c7735fbe2ec2ef26a702c50df1790fbe32a65aee7"}},{"Subject":"C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services CA","ValidFrom":"2003-12-04 00:00:00","ValidTo":"2013-12-03 23:59:59","Signature":"4a6bf9ea58c2441c318979992b96bf82ac01d61c4ccdb08a586edf0829a35ec8ca9313e704520def47272f0038b0e4c9934e9ad4226215f73f37214f703180f18b3887b3e8e89700fecf55964e24d2a9274e7aaeb76141f32acee7c9d95eddbb2b853eb59db5d9e157ffbeb4c57ef5cf0c9ef097fe2bd33b521b1b3827f73f4a","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"47bf1995df8d524643f7db6d480d31a4","Version":3,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"518d2ea8a21e879c942d504824ac211c","SHA1":"21ce87d827077e61abddf2beba69fde5432ea031","SHA256":"1ec3b4f02e03930a470020e0e48d24b84678bb558f46182888d870541f5e25c7","SHA384":"53e346bbde23779a5d116cc9d86fdd71c97b1f1b343439f8a11aa1d3c87af63864bb8488a5aeb2d0c26a6a1e0b15f03f"}},{"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","ValidFrom":"2004-07-16 00:00:00","ValidTo":"2014-07-15 23:59:59","Signature":"ae3a17b84a7b55fa6455ec40a4ed494190999c89bcaf2e1dca7823f91c190f7feb68bc32d98838dedc3fd389b43fb18296f1a45abaed2e26d3de7c016e000a00a4069211480940f91c1879672324e0bbd5e150ae1bf50edde02e81cd80a36c524f9175558aba22f2d2ea4175882f63557d1e545a9559cad93481c05f5ef67ab5","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"4191a15a3978dfcf496566381d4c75c2","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"41011f8d0e7c7a6408334ca387914c61","SHA1":"c7fc1727f5b75a6421a1f95c73bbdb23580c48e5","SHA256":"88dd3952638ee82738c03168e6fd863fe4eab1059ee5e2926ad8cb587c255dc0","SHA384":"a00aa5ed457c41e37967882644d63366bae014f03a986576d8514164d7027acf7d0b5e03d764db2558f60db148954459"}},{"Subject":"C=TW, ST=TAIWAN, L=Taipei, O=ASROCK Incorporation, OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=ASROCK Incorporation","ValidFrom":"2008-03-20 00:00:00","ValidTo":"2011-04-04 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"5958ecc30dd6f80e6e7ba7ee62cca802","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"94dd40fb7f02f41e5d6c615a8843a724","SHA1":"c7185b172a9d61dc30f2e9f40878d010fd38774b","SHA256":"ea6a2d5c3ed62615c1f9fc5d4a151a20fbca985a6bcd71bec5c570ec8e05c316","SHA384":"66f8fb4b317b88fd1b3a28e7652b37ef64f2f26a35de7371160863f1fd8e38abc166c58a3c1cf0f1ddc89fdaa02fb64a"}},{"Subject":"C=US, O=VeriSign, Inc., OU=Class 3 Public Primary Certification Authority","ValidFrom":"2006-05-23 17:01:29","ValidTo":"2016-05-23 17:11:29","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"610c120600000000001b","Version":3,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"53c41bc1164e09e0cd1617a5bf913efd","SHA1":"93c03aac8951d494ecd5696b1c08658541b18727","SHA256":"40bddadac24dc61ca4fb5cab2a2bc5d876bc36808311039a7a3e1a4066f7489b","SHA384":"f51d4e75ba638f7314cd59b8d6d45f3b34d35ce6986e9d205cd6f333e8e8d8e9c91f636e6bc84731b6661673f40963d8"}}],"Signer":[{"SerialNumber":"5958ecc30dd6f80e6e7ba7ee62cca802","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","Version":1}]}],"LoadsDespiteHVCI":"FALSE","Imphash":"57c7a5afa78ef66662909df8a27a1455"}]}