{"DetectionScope":"context-only","ResearchEvidence":{"Id":"18935808-e00c-4b75-a7fc-03e409a7570e","Tags":["EnPortv.sys"],"Verified":"TRUE","Author":"Michael Haag","Created":"2026-06-16","MitreID":"T1562.001","Category":"vulnerable driver","Commands":{"Command":"sc.exe create EnPortv binPath=C:\\windows\\temp\\EnPortv.sys type=kernel && sc.exe start EnPortv","Description":"Guidance Software EnPortv.sys is an older EnCase kernel driver documented in KOSEC BYOVD research and in public reporting on signed forensic drivers used by EDR-killer tooling. KOSEC documents a KillProc IOCTL path that can terminate a target process when called from an administrator context with the expected caller PID material.","Usecase":"Terminate processes from kernel mode through the EnPortv KillProc IOCTL path.","Privileges":"kernel","OperatingSystem":"Windows 10, Windows 11"},"Resources":["https://github.com/KOSEC-LLC/BYOVD-Research/tree/main/EnCase","https://www.bleepingcomputer.com/news/security/edr-killer-tool-uses-signed-kernel-driver-from-forensic-software/","https://www.catonetworks.com/blog/cato-ctrl-silverfox-evolves/"],"Detection":[],"Acknowledgement":{"Person":"KOSEC LLC","Handle":""},"KnownVulnerableSamples":[{"Filename":"EnPortv.sys","SHA256":"d42f1b420747b82533e33107c710c45c29ff20aa5da3d1c8498b7bed7f9ebc81","MD5":"20a783d3d7076d7a51c66e9eac2ae643","SHA1":"4914037cdf1c8bce60be2ca64b19a4af728c932a","Imphash":"fbd5760fdc3436bed9ce5f31879f26db","Authentihash":{"MD5":"dbc20ced55dcb73277cef7c54c1b16c2","SHA1":"2492f2f92f3db5768f3a4a6164139f633634ee53","SHA256":"46663d7d250954a56199847ba99e133fba7fb0ff82a5cef8099fa5cc9b1dcd99"},"RichPEHeaderHash":{"MD5":"6f66fd8b1900ec0b9d2bc8512d5df66f","SHA1":"01b51e622003cbb709fd92c3fe9f3ae3c8443771","SHA256":"ac2bd6c3e55e340085955339ee940cbfb15154d9f2f22b25756f8625c38d3234"},"Sections":{".text":{"Entropy":6.461415008524939,"Virtual Size":"0x9f7e"},".rdata":{"Entropy":2.797525619549446,"Virtual Size":"0x2630"},".data":{"Entropy":2.0949873248718873,"Virtual Size":"0xa8c"},".pdata":{"Entropy":4.618117306196105,"Virtual Size":"0x5f4"},"PAGE":{"Entropy":6.2452681131251735,"Virtual Size":"0x1aa8"},"INIT":{"Entropy":5.276153842475634,"Virtual Size":"0x896"},".rsrc":{"Entropy":3.3702622996490987,"Virtual Size":"0x3f8"},".reloc":{"Entropy":2.7145064637410328,"Virtual Size":"0x142"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2014-05-15 10:14:49","Description":"EnCase Driver for WinNET 64 bit Svn Rev:98733 with EnCase 7.9.6.3","Company":"Guidance Software Inc.","InternalName":"EnPortv.sys","OriginalFilename":"EnPortv.sys","FileVersion":"    ","Product":"EnCase Driver","ProductVersion":"    ","Copyright":"© Copyright 2005-present, Guidance Software, Inc. All Rights Reserved","MachineType":"AMD64","Imports":["ntoskrnl.exe"],"ExportedFunctions":"","ImportedFunctions":["ExAllocatePoolWithTag","IoDeleteSymbolicLink","ExFreePoolWithTag","KeInitializeMutex","RtlInitUnicodeString","IoDeleteDevice","MmGetSystemRoutineAddress","KeReleaseMutex","ZwQueryValueKey","IoGetCurrentProcess","ZwClose","IofCompleteRequest","KeWaitForSingleObject","IoCreateSymbolicLink","PsGetCurrentProcessId","DbgPrint","ZwOpenKey","ZwQueryObject","ObQueryNameString","IoFileObjectType","ZwCreateFile","ZwDuplicateObject","ObfDereferenceObject","PsLookupProcessByProcessId","KeDetachProcess","KeAttachProcess","ZwOpenProcess","ZwQueryInformationProcess","ZwMapViewOfSection","ZwUnmapViewOfSection","MmGetPhysicalMemoryRanges","ZwOpenSection","ProbeForRead","IoGetStackLimits","MmIsAddressValid","ZwTerminateProcess","_stricmp","RtlUnicodeStringToAnsiString","strrchr","ZwEnumerateKey","_wcsnicmp","KeBugCheckEx","IoCreateDevice","ObOpenObjectByPointer","ZwSetSecurityObject","IoDeviceObjectType","_snwprintf","RtlLengthSecurityDescriptor","SeCaptureSecurityDescriptor","RtlCreateSecurityDescriptor","RtlSetDaclSecurityDescriptor","RtlAbsoluteToSelfRelativeSD","IoIsWdmVersionAvailable","SeExports","wcschr","RtlLengthSid","RtlAddAccessAllowedAce","RtlGetSaclSecurityDescriptor","RtlGetDaclSecurityDescriptor","RtlGetGroupSecurityDescriptor","RtlGetOwnerSecurityDescriptor","ZwCreateKey","ZwSetValueKey","RtlFreeUnicodeString","RtlUnicodeToMultiByteN","RtlAnsiCharToUnicodeChar","PsGetVersion","__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, ST=California, L=Pasadena, O=Guidance Software, Inc., OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=Guidance Software, Inc.","ValidFrom":"2013-12-04 00:00:00","ValidTo":"2016-03-04 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"44fa8d28c0ed82f6b0bf8dd96943c90c","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"51a69d7a8751c580dda70db59580aeee","SHA1":"c394efe8828a99dd2ab5575dcdbeba8b3d70f6f3","SHA256":"5d0cf4a6b617555bfffd108b8bfc6ac8453d07c56ed1ab679190d9ebce99411d","SHA384":"97272fe3844ab0a598ab6b61eea11a319f752960bb773be48d2ded2932571e604af95a4396cf7051f3a1ed1f73bae28f"}},{"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":"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","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":"44fa8d28c0ed82f6b0bf8dd96943c90c","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}]}]}]}}