{"Id":"ba91bce3-2cf9-4c44-bbd8-1170a44d23db","Tags":["filnk.sys"],"Verified":"TRUE","Author":"VirarK","Created":"2024-06-20","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create filnk.sys binPath=C:\\windows\\temp\\filnk.sys type=kernel && sc.exe start filnk.sys","Description":"Twister Antivirus, fildds.sys, DoS2\n\n    CVE-2023-1444\n\n    From IoControlCode 0x8011206B, a normal user can cause DoS due to writing into\n    null address.","Usecase":"Elevate privileges","Privileges":"kernel","OperatingSystem":"Windows 10"},"Resources":["https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1444"],"Detection":[],"Acknowledgement":{"Person":"","Handle":""},"KnownVulnerableSamples":[{"Filename":"","MD5":"4b22e494ad2ac90c42f02dcca0328b7c","SHA1":"116decf4442c23766953d68f05a20c74924ca22e","SHA256":"ae55a0e93e5ef3948adecf20fa55b0f555dcf40589917a5bfbaa732075f0cc12","Signature":"","Date":"","Publisher":"","Company":"Filseclab Corporation","Description":"Filseclab Dynamic Defense System Drv","Product":"Filseclab Dynamic Defense System","ProductVersion":"2, 0, 0, 19353","FileVersion":"2, 0, 0, 19353","MachineType":"AMD64","OriginalFilename":"filnk.sys","Imphash":"cd5186f6f0e55f9acedd31a5a6ce3e1c","Authentihash":{"MD5":"5ee751959a9768cc62bbb6f4b8f4ad7e","SHA1":"8453c3915cf9bd5ca9ac4339bd592dbac85b51a2","SHA256":"2fa50ee8ed9d5c91d3375950613132497c44f468193bce9fe8e51c918a9498b5"},"RichPEHeaderHash":{"MD5":"e77aba1d9f407b19c8c1870d67837939","SHA1":"a66a7af6cabf549dac05ed67590763cc4daa556d","SHA256":"4e4e7a91ccd9719b23dd5a11ff2a6d973dbaed35c6184302467775d318975368"},"Sections":{".text":{"Entropy":5.708093687560138,"Virtual Size":"0xb99d4"},".rdata":{"Entropy":5.9553962784520085,"Virtual Size":"0xa674"},".data":{"Entropy":4.728250504498198,"Virtual Size":"0x1d930"},".pdata":{"Entropy":5.768631281048143,"Virtual Size":"0x4f44"},".edata":{"Entropy":3.862205596455793,"Virtual Size":"0x1326"},"INIT":{"Entropy":5.292737401001127,"Virtual Size":"0x106e"},".rsrc":{"Entropy":3.353644257131943,"Virtual Size":"0x4a0"},".reloc":{"Entropy":3.8195269266849787,"Virtual Size":"0x1384"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2013-07-10 03:13:59","InternalName":"filnk","Copyright":"Copyright (C) 2002-2013 Filseclab Corporation","Imports":["ntoskrnl.exe"],"ExportedFunctions":"","ImportedFunctions":["wcschr","MmUnmapLockedPages","_stricmp","_wcsicmp","KeInsertHeadQueue","sprintf","strncat","_strnicmp","SeTokenIsAdmin","ExAllocatePoolWithTag","PsProcessType","wcscat","ObGetObjectSecurity","ZwCreateKey","IoDeleteSymbolicLink","KeResetEvent","IoRegisterShutdownNotification","strncmp","RtlAnsiStringToUnicodeString","ZwFsControlFile","MmMapLockedPages","_snwprintf","PsLookupProcessByProcessId","ZwQuerySymbolicLinkObject","_wcsnicmp","strlen","ZwReadFile","RtlFreeHeap","RtlDowncaseUnicodeString","KeInitializeApc","PsReferenceImpersonationToken","ZwMapViewOfSection","RtlInitUnicodeString","IoDeleteDevice","KeSetEvent","ExGetPreviousMode","wcsncpy","strcpy","KeInsertQueueApc","RtlAppendUnicodeToString","KeInitializeEvent","RtlInitAnsiString","PsSetCreateThreadNotifyRoutine","RtlUnicodeStringToAnsiString","_snprintf","ZwDeleteValueKey","ZwSetValueKey","KeInitializeDpc","ZwQuerySystemInformation","wcsncat","KeReleaseSpinLock","ZwOpenThread","PsSetCreateProcessNotifyRoutine","ZwOpenProcessToken","RtlEqualUnicodeString","ZwOpenSymbolicLinkObject","IoFreeMdl","SeTokenIsRestricted","KeUnstackDetachProcess","_wcslwr","wcslen","KeInitializeTimer","ZwSetInformationFile","KeReleaseMutex","SeCreateClientSecurity","KeDelayExecutionThread","RtlFreeUnicodeString","ObQueryNameString","strncpy","IoFileObjectType","SeQuerySessionIdToken","PsImpersonateClient","ZwCreateFile","wcsrchr","PsCreateSystemThread","IoGetDeviceObjectPointer","SeImpersonateClient","ExSystemTimeToLocalTime","ZwQueryValueKey","ZwUnmapViewOfSection","ZwQueryDirectoryFile","IoUnregisterShutdownNotification","PsTerminateSystemThread","ExFreePool","IoGetCurrentProcess","ZwFreeVirtualMemory","ZwSetInformationProcess","ExEventObjectType","strcmp","_vsnprintf","KeInsertQueueDpc","ZwClose","RtlAppendUnicodeStringToString","RtlLengthSecurityDescriptor","RtlAllocateHeap","ZwQueryVolumeInformationFile","ObReferenceObjectByHandle","KeWaitForSingleObject","RtlTimeToTimeFields","MmProbeAndLockPages","KeSetTimer","ZwDeleteFile","PsGetVersion","PsThreadType","PsRevertToSelf","RtlCharToInteger","ZwOpenProcess","RtlCompareMemory","MmUnlockPages","ZwQueryInformationProcess","_wcsupr","IoCreateSymbolicLink","PsGetCurrentThreadId","PsGetCurrentProcessId","MmIsAddressValid","ObfDereferenceObject","RtlUnicodeStringToInteger","ZwCreateSection","ObReleaseObjectSecurity","IoCreateDevice","IoQueueWorkItem","ZwOpenFile","wcsncmp","ZwTerminateProcess","wcscmp","KeCancelTimer","ZwQueryInformationFile","MmIsNonPagedSystemAddressValid","ZwWriteFile","ZwDeleteKey","wcscpy","ObOpenObjectByPointer","DbgPrint","KeStackAttachProcess","PsLookupThreadByThreadId","IoAllocateMdl","strcat","ZwQueryKey","SeTokenType","ZwAllocateVirtualMemory","ZwOpenKey","KeAcquireSpinLockRaiseToDpc","KeBugCheckEx","__C_specific_handler"],"Signatures":[{"CertificatesInfo":"","SignerInfo":"","Certificates":[{"Subject":"C=US, O=Symantec Corporation, CN=Symantec Time Stamping Services CA , G2","ValidFrom":"2012-12-21 00:00:00","ValidTo":"2020-12-30 23:59:59","Signature":"03099b8f79ef7f5930aaef68b5fae3091dbb4f82065d375fa6529f168dea1c9209446ef56deb587c30e8f9698d23730b126f47a9ae3911f82ab19bb01ac38eeb599600adce0c4db2d031a6085c2a7afce27a1d574ca86518e979406225966ec7c7376a8321088e41eaddd9573f1d7749872a16065ea6386a2212a35119837eb6","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"7e93ebfb7cc64e59ea4b9a77d406fc3b","Version":3,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"d0785ad36e427c92b19f6826ab1e8020","SHA1":"365b7a9c21bd9373e49052c3e7b3e4646ddd4d43","SHA256":"c2abb7484da91a658548de089d52436175fdb760a1387d225611dc0613a1e2ff","SHA384":"eab4fe5ef90e0de4a6aa3a27769a5e879f588df5e4785aa4104debd1f81e19ea56d33e3a16e5facf99f68b5d8e3d287b"}},{"Subject":"C=US, O=Symantec Corporation, CN=Symantec Time Stamping Services Signer , G4","ValidFrom":"2012-10-18 00:00:00","ValidTo":"2020-12-29 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"0ecff438c8febf356e04d86a981b1a50","Version":3,"CertificateType":"Intermediate","IsCodeSigning":false,"IsCA":false,"TBS":{"MD5":"e9d38360b914c8863f6cba3ee58764d3","SHA1":"4cba8eae47b6bf76f20b3504b98b8f062694a89b","SHA256":"88901d86a4cc1f1bb193d08e1fb63d27452e63f83e228c657ab1a92e4ade3976","SHA384":"e9f2a75334a9e336c5a4712eadee88d0374b0fdc273262f4e65c9040ad2793067cc076696db5279a478773485e285652"}},{"Subject":"C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=(c) 2006 VeriSign, Inc. , For authorized use only, CN=VeriSign Class 3 Public Primary Certification Authority , G5","ValidFrom":"2006-11-08 00:00:00","ValidTo":"2021-11-07 23:59:59","Signature":"1302ddf8e88600f25af8f8200c59886207cecef74ef9bb59a198e5e138dd4ebc6618d3adeb18f20dc96d3e4a9420c33cbabd6554c6af44b310ad2c6b3eabd707b6b88163c5f95e2ee52a67cecd330c2ad7895603231fb3bee83a0859b4ec4535f78a5bff66cf50afc66d578d1978b7b9a2d157ea1f9a4bafbac98e127ec6bdff","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"250ce8e030612e9f2b89f7054d7cf8fd","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"918d9eb6a6cd36c531eceb926170a7e1","SHA1":"0ae95700d65e6f59715aa47048993ca7858e676a","SHA256":"47c46e6eaa3780eace3d0d891346cd373359d246b21a957219dbab4c8f37c166","SHA384":"e54017c93ba52f012cc15aeb3bcbce1e90a0006ff8dca231a24fc572926770f63213343f538003407bed3463fa9c4a85"}},{"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":"Intermediate","IsCodeSigning":false,"IsCA":false,"TBS":{"MD5":"53c41bc1164e09e0cd1617a5bf913efd","SHA1":"93c03aac8951d494ecd5696b1c08658541b18727","SHA256":"40bddadac24dc61ca4fb5cab2a2bc5d876bc36808311039a7a3e1a4066f7489b","SHA384":"f51d4e75ba638f7314cd59b8d6d45f3b34d35ce6986e9d205cd6f333e8e8d8e9c91f636e6bc84731b6661673f40963d8"}},{"Subject":"C=CN, ST=Beijing, L=Beijing, O=Filseclab Corporation, OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=Filseclab Corporation","ValidFrom":"2013-01-24 00:00:00","ValidTo":"2015-03-25 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"0c042011198c46c2253eaa60d10f6c37","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"b6c7960875e80711e84c32514037a56b","SHA1":"7100d9b9e36e3e33b70fb33ec728e1ac125d854c","SHA256":"2c39a3baaa1135c89c3201e1f57d9b68bd404c6c20f33ea21e6fec81039d0f9b","SHA384":"dbf6dc6fa0fe8c9b743805be6153ba99a6e4241d0afa3e768bcc8ce4b3013dc43c310f43607d14b590432a7d66e68564"}},{"Subject":"C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA","ValidFrom":"2010-02-08 00:00:00","ValidTo":"2020-02-07 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"5200e5aa2556fc1a86ed96c9d44b33c7","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"b30c31a572b0409383ed3fbe17e56e81","SHA1":"4843a82ed3b1f2bfbee9671960e1940c942f688d","SHA256":"03cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9","SHA384":"bbda8407c4f9fc4e54d772f1c7fb9d30bc97e1f97ecd51c443063d1fa0644e266328781776cd5c44896c457c75f4d7da"}}],"Signer":[{"SerialNumber":"0c042011198c46c2253eaa60d10f6c37","Issuer":"C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA","Version":1}]}],"LoadsDespiteHVCI":"TRUE"}]}