{"Id":"2e47cd6a-30a2-4790-9f9c-9de7b0d7bf60","Tags":["fjfwupgd.sys"],"Verified":"TRUE","Author":"Michael Haag","Created":"2026-04-17","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create fjfwupgd binPath=C:\\windows\\temp\\fjfwupgd.sys type=kernel && sc.exe start fjfwupgd","Description":"fjfwupgd.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":"fjfwupgd.sys","MD5":"23c5262947eed835d8b8997e308c809d","SHA1":"1c98e4699b2868fe09589c429a7866a723a446fe","SHA256":"30ee861d6d34db31ed57273fe1b3e08c30260c46fbca2cc00725d08ffd1013f6","Signature":"","Date":"","Publisher":"","Company":"FUJITSU LIMITED","Description":"Fujitsu Firmware Update Tool Driver","Product":"Fujitsu Firmware Update Tool Driver","ProductVersion":"1.0.0.0","FileVersion":"1.0.0.0","MachineType":"AMD64","OriginalFilename":"fjfwupgd.sys","Authentihash":{"MD5":"ee3920a9eb865bac0c14a0f84f3ef8ab","SHA1":"e1f3d76ca9ab2e5fb95b85a3fbf36dd81a73cb69","SHA256":"0f753015dfb54e11585bf8821fcc036dc8dee1f4165f26924d03fa38ab7e3d67"},"RichPEHeaderHash":{"MD5":"0d93627c49ca06be6dad40fe19d7c529","SHA1":"70806b2d49c9d302e188805d87a2129c5d29b325","SHA256":"48850e6e3a8cfbfeec388f110020a9fc27e658881b32e80fd96b7cb7f4f74ed0"},"Sections":{".text":{"Entropy":6.170142419607858,"Virtual Size":"0x1482"},".rdata":{"Entropy":4.18185920697044,"Virtual Size":"0xb74"},".data":{"Entropy":2.0660514676175055,"Virtual Size":"0x1fc"},".pdata":{"Entropy":4.128382366653285,"Virtual Size":"0x258"},"PAGE":{"Entropy":6.237497709561657,"Virtual Size":"0x1987"},"INIT":{"Entropy":5.270621722735739,"Virtual Size":"0x64a"},".rsrc":{"Entropy":3.283249367132937,"Virtual Size":"0x3a0"},".reloc":{"Entropy":3.8767632445851987,"Virtual Size":"0x38"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2014-10-07 23:38:29","InternalName":"fjfwupgd.sys","Copyright":"Copyright FUJITSU LIMITED 2014","Imports":["ntoskrnl.exe"],"ExportedFunctions":"","ImportedFunctions":["MmMapIoSpace","MmUnmapIoSpace","MmGetPhysicalAddress","RtlInitUnicodeString","RtlCompareMemory","KeInitializeGuardedMutex","KeAcquireGuardedMutex","KeReleaseGuardedMutex","ExAllocatePoolWithTag","ExFreePoolWithTag","MmMapLockedPagesSpecifyCache","MmAllocateContiguousMemory","MmFreeContiguousMemory","IofCompleteRequest","IoCreateSymbolicLink","IoDeleteDevice","IoDeleteSymbolicLink","ZwClose","ZwOpenKey","ZwEnumerateKey","ZwQueryValueKey","MmGetSystemRoutineAddress","IoCreateDevice","ObOpenObjectByPointer","ZwSetSecurityObject","IoDeviceObjectType","_snwprintf","RtlLengthSecurityDescriptor","SeCaptureSecurityDescriptor","RtlCreateSecurityDescriptor","RtlSetDaclSecurityDescriptor","RtlAbsoluteToSelfRelativeSD","IoIsWdmVersionAvailable","SeExports","wcschr","_wcsnicmp","RtlLengthSid","RtlAddAccessAllowedAce","RtlGetSaclSecurityDescriptor","RtlGetDaclSecurityDescriptor","RtlGetGroupSecurityDescriptor","RtlGetOwnerSecurityDescriptor","ZwCreateKey","ZwSetValueKey","RtlFreeUnicodeString","KeBugCheckEx"],"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=JP, ST=Kanagawa, L=Kawasaki, O=FUJITSU LIMITED, OU=Personal Systems Business Unit, CN=FUJITSU LIMITED","ValidFrom":"2014-06-09 00:00:00","ValidTo":"2015-09-08 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"094f5aedb747476e0c7f2892449d9cc7","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"170d09c3776a2e3c178631ea4cea0035","SHA1":"11e59bca2e8a90c73e8b971c114ca220f813ee63","SHA256":"57bea837f008c09c86b536bc389e6644b95feac7e922b596b9eed295d508c80b","SHA384":"a1c3dd80a90f0487ad6fce2159834f35c2342cc5d516d301496fd2c4fa218aedecc85c41e7c36a1f9b77a6ef41b20192"}},{"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":"2011-02-22 19:25:17","ValidTo":"2021-02-22 19:35:17","Signature":"812a82168c34672be503eb347b8ca2a3508af45586f11e8c8eae7dee0319ce72951848ad6211fd20fd3f4706015ae2e06f8c152c4e3c6a506c0b36a3cf7a0d9c42bc5cf819d560e369e6e22341678c6883762b8f93a32ab57fbe59fba9c9b2268fcaa2f3821b983e919527978661ee5b5d076bcd86a8e26580a8e215e2b2be23056aba0cf347934daca48c077939c061123a050d89a3ec9f578984fbecca7c47661491d8b60f195de6b84aacbc47c8714396e63220a5dc7786fd3ce38b71db7b9b03fcb71d3264eb1652a043a3fa2ead59924e7cc7f233424838513a7c38c71b242228401e1a461f17db18f7f027356cb863d9cdb9645d2ba55eefc629b4f2c7f821cc04ba57fd01b6abc667f9e7d3997ff4f522fa72f5fdff3a1c423aa1f98018a5ee8d1cd4669e4501feaaeefffb178f30f7f1cd29c59decb5d549003d85b8cbbb933a276a49c030ae66c9f723283276f9a48356c848ce5a96aaa0cc0cc47fb48e97af6de35427c39f86c0d6e473089705dbd054625e0348c2d59f7fa7668cd09db04fd4d3985f4b7ac97fb22952d01280c70f54b61e67cdc6a06c110384d34875e72afeb03b6e0a3aa66b769905a3f177686133144706fc537f52bd92145c4a246a678caf8d90aad0f679211b93267cc3ce1ebd883892ae45c6196a4950b305f8ae59378a6a250394b1598150e8ba8380b72335f476b9671d5918ad208d94","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"611993e400000000001c","Version":3,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"78a717e082dcc1cda3458d917e677d14","SHA1":"4a872e0e51f9b304469cd1dedb496ee9b8b983a4","SHA256":"317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8","SHA384":"b71052da4eb9157c8c1a5d7f55df19d69b9128598b72fcca608e5b7cc7d64c43c5504b9c86355a6dc22ee40c88cc385c"}},{"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":"094f5aedb747476e0c7f2892449d9cc7","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":"FALSE","Imphash":"8795438aa746402719d9402d98bea3f5"}]}