{"Id":"7a0842ca-1a64-4ad1-9d66-25eb983d1742","Tags":["directio32_legacy.sys","DirectIo32.sys"],"Verified":"TRUE","Author":"Michael Haag","Created":"2023-07-22","MitreID":"T1068","CVE":[""],"Category":"vulnerable driver","Commands":{"Command":"","Description":"Confirmed vulnerable driver from Microsoft Block List","OperatingSystem":"Windows","Privileges":"kernel","Usecase":"Elevate privileges"},"Resources":["https://gist.github.com/mgraeber-rc/1bde6a2a83237f17b463d051d32e802c"],"Detection":[{"type":"","value":""}],"Acknowledgement":{"Handle":"","Person":""},"KnownVulnerableSamples":[{"Authentihash":{"MD5":"a25749ae40ff475524e5df6431998825","SHA1":"59c8f056dea50a4b6f6f63e50037089965568910","SHA256":"2fb5d7e6db01c9090bba92abf580d38993e02ce9357e08fe1f224a9b18056e5a"},"Company":"","Copyright":"","CreationTimestamp":"2020-08-12 01:45:00","Date":"","Description":"","ExportedFunctions":"","FileVersion":"","Filename":"","ImportedFunctions":["DbgPrintEx","RtlGetVersion","KeInitializeEvent","KeWaitForSingleObject","ExAllocatePoolWithTag","ExAllocatePoolWithQuotaTag","ExFreePoolWithTag","MmBuildMdlForNonPagedPool","MmMapLockedPagesSpecifyCache","MmUnmapLockedPages","MmMapIoSpace","MmUnmapIoSpace","IoAllocateErrorLogEntry","IoAllocateMdl","IoBuildDeviceIoControlRequest","IoBuildSynchronousFsdRequest","IofCallDriver","IofCompleteRequest","IoCreateDevice","IoCreateSymbolicLink","IoDeleteDevice","IoDeleteSymbolicLink","IoFreeMdl","IoGetAttachedDeviceReference","IoGetDeviceObjectPointer","IoWriteErrorLogEntry","IoGetDeviceProperty","ObReferenceObjectByHandle","ObReferenceObjectByPointer","RtlAppendUnicodeToString","ZwCreateFile","ZwWriteFile","ZwClose","ZwOpenSection","ZwMapViewOfSection","ZwUnmapViewOfSection","ZwOpenKey","ZwQueryValueKey","MmGetPhysicalMemoryRanges","PsGetProcessId","RtlFillMemoryUlong","KeStackAttachProcess","KeUnstackDetachProcess","IoEnumerateDeviceObjectList","ObQueryNameString","_vsnwprintf","ObReferenceObjectByName","memcpy","memmove","memset","IoFileObjectType","PsProcessType","PsInitialSystemProcess","NtBuildNumber","IoDriverObjectType","KeRevertToUserAffinityThread","KeSetSystemAffinityThread","KeQueryActiveProcessors","KeBugCheckEx","RtlAppendUnicodeStringToString","RtlUnwind","RtlWriteRegistryValue","MmGetSystemRoutineAddress","RtlQueryRegistryValues","RtlInitUnicodeString","RtlIntegerToUnicodeString","ObfDereferenceObject","wcsrchr","WRITE_PORT_USHORT","WRITE_PORT_UCHAR","READ_PORT_ULONG","READ_PORT_USHORT","READ_PORT_UCHAR","KeStallExecutionProcessor","WRITE_PORT_ULONG"],"Imports":["ntoskrnl.exe","HAL.dll"],"InternalName":"","MD5":"2da707d2fa073d60c4b069ce76a789ef","MachineType":"I386","MagicHeader":"50 45 0 0","OriginalFilename":"","PDBPath":"","Product":"","ProductVersion":"","Publisher":"","RichPEHeaderHash":{"MD5":"78c0e4d4898d4d4cc2c6df5285c1e11b","SHA1":"0c932c2f26d8d024936f27bc6ff33dc736587a6e","SHA256":"cae87d0bcaa037bfb6c422692648e50bb26aad2909044f1cdb1d6cb706dd94d1"},"SHA1":"75c924435e87f38f20e5e77b7f2c382b9c9b974b","SHA256":"035b96ff8b85d312be0f9df6271714392a802ec8bab59ae8229812ddc67ced5a","Sections":{".text":{"Entropy":6.122291821648682,"Virtual Size":"0x3162"},".rdata":{"Entropy":4.091327919587039,"Virtual Size":"0x454"},".data":{"Entropy":2.450212064914747,"Virtual Size":"0x1c"},"PAGE":{"Entropy":5.1712774885026676,"Virtual Size":"0x82"},"INIT":{"Entropy":5.60467066998622,"Virtual Size":"0x824"},".reloc":{"Entropy":6.43814817478269,"Virtual Size":"0x28c"}},"Signature":"","Signatures":[{"CertificatesInfo":"","SignerInfo":"","Certificates":[{"Subject":"C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert High Assurance EV Root CA","ValidFrom":"2011-04-15 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