{"Id":"baa168cd-eba2-42e4-95e9-47cb4b2f9094","Tags":["wnbios.sys"],"Verified":"TRUE","Author":"goosvorbook","Created":"2024-06-20","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create wnbios.sys binPath=C:\\windows\\temp\\wnbios.sys type=kernel && sc.exe start wnbios.sys","Description":"Utilized in RealBlindingEDR. ","Usecase":"Elevate privileges","Privileges":"kernel","OperatingSystem":"Windows 11"},"Resources":["https://github.com/myzxcg/RealBlindingEDR/"],"Detection":[],"Acknowledgement":{"Person":"","Handle":""},"KnownVulnerableSamples":[{"Filename":"","MD5":"a55bcd596643362ddb2ee558aa238baf","SHA1":"aec96520e85330594d3165c86cb92eac34c1e095","SHA256":"530d9223ec7e4123532a403abef96dfd1af5291eb49497392ff5d14d18fccfbb","Signature":"","Date":"","Publisher":"","Company":"Windows (R) Win 7 DDK provider","Description":"WnBios Driver","Product":"Windows (R) Win 7 DDK driver","ProductVersion":"1.2.0.0","FileVersion":"1.2.0.0 built by: WinDDK","MachineType":"AMD64","OriginalFilename":"wnbios.sys","Imphash":"72374a1c4c0e0db4efcb1386f470a2f3","Authentihash":{"MD5":"760cdf1bc9ef54fd4673fb79e8bbc62b","SHA1":"a7179d7cf5ee58276c3c42a16195a0b733f31b53","SHA256":"f6a5ef968bd0e47e1ca9433f8e8d0b9bed0aa0a3baf982fdc27b1cc3b4b857b8"},"RichPEHeaderHash":{"MD5":"4623b307991ab7283ca62a6da465587b","SHA1":"10545d5d7f846010e667812954664a5a891882e7","SHA256":"3dd173c4012ddb47bcb69b8569a8adb3723b4da08519cd8dc46c6341d7f0a0e2"},"Sections":{".text":{"Entropy":5.810121631777131,"Virtual Size":"0xd0e"},".rdata":{"Entropy":3.97524004908524,"Virtual Size":"0x184"},".data":{"Entropy":0.48412594890657823,"Virtual Size":"0x138"},".pdata":{"Entropy":3.1437019023826336,"Virtual Size":"0x54"},"INIT":{"Entropy":5.145857968400233,"Virtual Size":"0x32a"},".rsrc":{"Entropy":3.3128683395030833,"Virtual Size":"0x3c0"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2015-05-28 01:23:10","InternalName":"wnbios.sys","Copyright":"© Microsoft Corporation. All rights reserved.","Imports":["ntoskrnl.exe","HAL.dll"],"ExportedFunctions":"","ImportedFunctions":["RtlInitUnicodeString","IoDeleteDevice","MmFreeContiguousMemory","MmFreeNonCachedMemory","MmGetPhysicalAddress","ZwUnmapViewOfSection","ZwClose","IofCompleteRequest","ZwMapViewOfSection","IoCreateSymbolicLink","ObfDereferenceObject","MmAllocateNonCachedMemory","IoCreateDevice","ZwOpenSection","MmAllocateContiguousMemory","KeBugCheckEx","ObReferenceObjectByHandle","IoDeleteSymbolicLink","HalTranslateBusAddress"],"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=DE, ST=Germany, L=Paderborn, O=Wincor Nixdorf International GmbH, CN=Wincor Nixdorf International GmbH","ValidFrom":"2014-08-25 00:00:00","ValidTo":"2015-09-24 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"45b449e437675e5c92edfe601a2ad8e9","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"2c10903e4155d55f3e849f74517fe62f","SHA1":"5e9d7a729aeb3f96cf04d5a92f63e4b690acf23c","SHA256":"afae36a576c67da835e73b191e86e6ce74005a4291ce913c0f62664fb9b07786","SHA384":"717c04227cb78e729c2749d81ed4aef72f5335d963c9d25946d2a22fd099443e63926100fa510988944ac7743cb92f96"}},{"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":"45b449e437675e5c92edfe601a2ad8e9","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"}]}