153 lines
3.8 KiB
C
153 lines
3.8 KiB
C
#pragma once
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#include <ci.h>
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/********************************************************************************
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* Memory management, misc. *
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********************************************************************************/
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//
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// Custom allocator for function that allocate pool memory
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//
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typedef
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_IRQL_requires_same_
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_Function_class_(EVT_DOMITO_ALLOCATE_ROUTINE)
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__drv_allocatesMem(Mem)
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PVOID
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NTAPI
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EVT_DOMITO_ALLOCATE_ROUTINE(
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_In_ SIZE_T ByteSize
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);
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typedef EVT_DOMITO_ALLOCATE_ROUTINE* PFN_DOMITO_ALLOCATE_ROUTINE;
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/********************************************************************************
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* Cryptography *
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********************************************************************************/
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//
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// This structure encapsulates a signature used in verifying executable files.
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//
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#if !defined(WIN_CERTIFICATE)
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typedef struct _WIN_CERTIFICATE {
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DWORD dwLength;
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WORD wRevision;
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WORD wCertificateType;
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BYTE bCertificate[ANYSIZE_ARRAY];
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} WIN_CERTIFICATE, * LPWIN_CERTIFICATE;
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#endif
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//
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// UM definitions of WinCrypt.h
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//
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#if !defined(WIN_CERT_TYPE_X509)
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#define WIN_CERT_TYPE_X509 (0x0001) // The bCertificate member contains an X.509 certificate.
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#endif
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#if !defined(WIN_CERT_TYPE_PKCS_SIGNED_DATA)
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#define WIN_CERT_TYPE_PKCS_SIGNED_DATA (0x0002) // The bCertificate member contains a PKCS SignedData structure.
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#endif
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#if !defined(WIN_CERT_TYPE_PKCS1_SIGN)
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#define WIN_CERT_TYPE_PKCS1_SIGN (0x0009) // The bCertificate member contains PKCS1_MODULE_SIGN fields.
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#endif
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#if !defined(CALG_SHA1)
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#define CALG_SHA1 0x8004u
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#endif
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#if !defined(CALG_SHA256)
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#define CALG_SHA256 0x800cu
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#endif
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#if !defined(CALG_SHA384)
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#define CALG_SHA384 0x800du
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#endif
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#if !defined(CALG_SHA512)
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#define CALG_SHA512 0x800eu
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#endif
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//
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// Converts a WinCrypt CALG_ID to a BCRYPT_ALGORITHM identifier
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//
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PCWSTR
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FORCEINLINE
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DOMITO_CALG_TO_BCRYPT_ALGORITHM(
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_In_ UINT32 Calg
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)
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{
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switch (Calg)
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{
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case CALG_SHA1:
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return BCRYPT_SHA1_ALGORITHM;
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case CALG_SHA256:
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return BCRYPT_SHA256_ALGORITHM;
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case CALG_SHA384:
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return BCRYPT_SHA384_ALGORITHM;
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case CALG_SHA512:
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return BCRYPT_SHA512_ALGORITHM;
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default:
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return L"Unknown";
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}
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}
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/********************************************************************************
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* Library functions *
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********************************************************************************/
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//
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// Finds the base address of a driver module
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//
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_Success_(return == STATUS_SUCCESS)
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_Must_inspect_result_
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_IRQL_requires_max_(PASSIVE_LEVEL)
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EXTERN_C
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NTSTATUS
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DomitoFindModuleBaseAddress(
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_In_ STRING ModuleName,
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_In_ PFN_DOMITO_ALLOCATE_ROUTINE Allocator,
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_Inout_opt_ PVOID * ModuleBase
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);
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//
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// Finds the address of an exported function by name
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//
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_Success_(return == STATUS_SUCCESS)
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_Must_inspect_result_
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_IRQL_requires_max_(PASSIVE_LEVEL)
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EXTERN_C
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NTSTATUS
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DomitoFindExportedFunctionAddress(
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_In_ PVOID ModuleBase,
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_In_ STRING FunctionName,
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_Inout_opt_ PVOID * FunctionAddress
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);
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//
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// Scans a provided buffer for a memory pattern
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//
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_Success_(return == STATUS_SUCCESS)
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_Must_inspect_result_
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_IRQL_requires_max_(DISPATCH_LEVEL)
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EXTERN_C
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NTSTATUS
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DomitoMemorySearchPattern(
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_In_ PCUCHAR pcPattern,
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_In_ UCHAR uWildcard,
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_In_ SIZE_T puLen,
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_In_ PVOID pcBase,
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_In_ SIZE_T puSize,
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_Outptr_result_maybenull_ PVOID * ppMatch
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);
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//
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// Extracts the CALG_ID from a signed PE that was used to
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// calculate the message digest when it was signed
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//
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_IRQL_requires_max_(DISPATCH_LEVEL)
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EXTERN_C
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UINT32
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DomitoGetPortableExecutableDigestKind(
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_In_ PUCHAR pPeBytes,
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_In_ PIMAGE_DATA_DIRECTORY pImgDataDirectory
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);
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