{"Id":"3a56286a-d6e2-4782-bd43-1e04869da8cc","Tags":["OAToolx64.sys"],"Verified":"TRUE","Author":"Michael Haag","Created":"2026-04-17","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create OAToolx64 binPath=C:\\windows\\temp\\OAToolx64.sys type=kernel && sc.exe start OAToolx64","Description":"OAToolx64.sys is a vulnerable kernel driver from the KeServiceDescriptorTable/vulnerable-drivers repository. The driver exposes dangerous kernel primitives to usermode.","Usecase":"Elevate privileges","Privileges":"kernel","OperatingSystem":"Windows 10"},"Resources":["https://github.com/magicsword-io/LOLDrivers/issues/325","https://github.com/KeServiceDescriptorTable/vulnerable-drivers"],"Detection":[],"Acknowledgement":{"Person":"","Handle":"@rainbowdynamix, @DbgPrint"},"KnownVulnerableSamples":[{"Filename":"OAToolx64.sys","MD5":"48342338a7d5a3a133bb2a565e2b15a2","SHA1":"04d9cb48852fc7b5dce26f610dc589cb2ff3fbe2","SHA256":"e8d2424037f63aa395085c546aeac0cd7a09567a4e304c509e087d1b3ce199da","Signature":"","Date":"","Publisher":"","Company":"Insyde Software","Description":"OAToolx64.sys","Product":"OATool x64 Driver","ProductVersion":"1, 0, 0, 2","FileVersion":"1, 0, 0, 2","MachineType":"AMD64","OriginalFilename":"OAToolx64.sys","Authentihash":{"MD5":"bac2003bb2025b381b438015a7bb2025","SHA1":"a1cddbb5d9a6bd00550fa134b3a7ea9e25af3d80","SHA256":"4e81c37afc22d3e6cf3af7eafd660cb5919cf32b95b3359da30855b5f665e6ee"},"RichPEHeaderHash":{"MD5":"1902a96501640bfacf6f93e6b0af3ac0","SHA1":"94a52f3903aefa5ac4490cf36938783fec4c73b2","SHA256":"bd1c7f3cb3963d7d517bde19672cbb383b84014f7b6f4f0955be3a3425396140"},"Sections":{".text":{"Entropy":6.112825129868424,"Virtual Size":"0x1a90"},"init":{"Entropy":5.666840473367356,"Virtual Size":"0x399"},"page":{"Entropy":5.91832093412766,"Virtual Size":"0x5cb"},".rdata":{"Entropy":4.448644915508388,"Virtual Size":"0x310"},".data":{"Entropy":0.9388401631761398,"Virtual Size":"0x20c"},".pdata":{"Entropy":3.789618273403427,"Virtual Size":"0x168"},"INIT":{"Entropy":4.985520899968583,"Virtual Size":"0x34a"},".rsrc":{"Entropy":3.2742907720935577,"Virtual Size":"0x390"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2011-05-05 01:09:42","InternalName":"OATool","Copyright":"Copyright (C) 2011 Insyde Software Corp.","Imports":["ntoskrnl.exe"],"ExportedFunctions":"","ImportedFunctions":["IofCompleteRequest","IoDeleteDevice","IoDeleteSymbolicLink","RtlInitUnicodeString","MmFreeContiguousMemorySpecifyCache","MmUnmapIoSpace","MmMapIoSpace","ExFreePoolWithTag","RtlCompareMemory","ExAllocatePoolWithTag","MmGetPhysicalAddress","MmAllocateContiguousMemorySpecifyCache","IoCreateSymbolicLink","IoCreateDevice","MmMapLockedPagesSpecifyCache","_vsnprintf","RtlQueryRegistryValues","ZwCreateFile","ZwClose","ZwWriteFile","RtlTimeToTimeFields","ExSystemTimeToLocalTime"],"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":"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","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=TW, ST=Taiwan, O=Insyde Software Corp., OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=Insyde Software Corp.","ValidFrom":"2009-12-29 00:00:00","ValidTo":"2012-12-28 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"6d88bab00d58f2fe947fa923925acef4","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"249d232ca56b2a9587af63956e8d63e1","SHA1":"eade3755200319e885a3aabb2d0e0f08dc5e726d","SHA256":"6c716d181b9196d8c4a5262e482345a4368a67dbc2f293a1f2458fece784de7b","SHA384":"1562ec155ebba4475fe26478f0c339d6ce9c6176d4fbd297a9282e32917653ad6c687efcd5ec2aca4902d4c263f9e583"}},{"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","ValidFrom":"2009-05-21 00:00:00","ValidTo":"2019-05-20 23:59:59","Signature":"8b03c0dd94d841a26169b015a878c730c6903c7e42f724b6e4837317047f04109ca1e2fa812febc0ca44e772e050b6551020836e9692e49a516ab43731dca52deb8c00c71d4fe74d32ba85f84ebefa675565f06abe7aca64381a101078457631f3867a030f60c2b35d9df68b6676821b59e183e5bd49a53856e5de41770e580f","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"655226e1b22e18e1590f2985ac22e75c","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"650704c342850095f3288eaf791147d4","SHA1":"4cdc38c800761463749c3cbd94a12f32e49877bf","SHA256":"07b8f662558ec85b71b43a79c6e94698144f4ced2308af21e7ba1e5d461da214","SHA384":"2a271d052213438467d09d60eaa4010c8642fff3eb0070e0cf9969428713c8fdc066b90996d594dd3136f5bd0af5a22a"}},{"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":"01e446b33b457f7513877e5f43de468ecb8abdb64741bccccc7491d8ce395195a4a6b547c0efd2da7b8f5711f4328c7ccd3fee42da04214af7c843884a6f5cca14fc4bd19f4cbdd4556ecc02be0da6888f8609baa425bde8b0f0fa8b714e67b0cb82a8d78e55f737ebf03e88efe4e08afd1c6e2e61414875b4b02c1d28d8490fd715f02473253ccc880cde284c6554fe5eae8cea19ad2c51b29b3a47f53c80350117e24987d6544afb4bab07bcbf7d79cfbf35005cbb9ecffc82891b39a05197b6dec0b307ff449644c0342a195cabeef03bec294eb513c537857e75d5b4d60d066eb5d26c237167eaf1718eaf4e74aa0cf9ecbf4c58fa5e909b6d39cb86883f8b1ca81632d5fe6db9f1f8b3ead791f6364778c0272a15c768d6f4c5fc4f4ec8673f102d409ff11ec96148e7a703fc31730cf04688fe56da492995ef09daa3e5beef60ecd954a0599c28bd54ef66157f874c84dba60e95672e517b3439b641c28c846826dc240209e7818e0a972defeea7b998a60f818dc710b5e1ed982f486f53854964789bec5dac970b5526c3efba8dc8d1a52f5a7f936b611a339b18b8a26210de24ea76e12f43ebecdd7c12342489da2855aee5754e312b6763b6a8d7ab730a03cec5ea593fc7eb2a45aea8625b2f009939abb45f73c308ec80118f470e8f2a1343e191066255bbffba3da9a93d260faeca7d628b155589d694344dd665","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":"6d88bab00d58f2fe947fa923925acef4","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","Version":1}]}],"LoadsDespiteHVCI":"FALSE","Imphash":"64be892635195c62ad5be44af59b50d3"}]}