67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
#pragma once
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#include <windows.h>
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#include <subauth.h>
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#define IMPORT_DELAY 6 * 1000 * 1000
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#define HASH_KEY 5381
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#define KERNEL32_DLL_HASH 0x6DDB9555
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// #define NTDLL_DLL_HASH 0x1EDAB0ED
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#define LOAD_LIBRARY_W_HASH 0xB7072FF1
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#define GET_PROC_ADDRESS_HASH 0xDECFC1BF
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#define VIRTUAL_ALLOC_HASH 0x097BC257
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#define FLUSH_INSTRUCTION_CACHE_HASH 0xEFB7BF9D
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#define VIRTUAL_PROTECT_HASH 0xE857500D
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#define SLEEP_HASH 0x0E07CD7E
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// Signatures from MSDN
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typedef HMODULE(WINAPI *LOAD_LIBRARY_W)(LPCWSTR);
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typedef ULONG_PTR(WINAPI *GET_PROC_ADDRESS)(HMODULE, LPCSTR);
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typedef LPVOID(WINAPI *VIRTUAL_ALLOC)(LPVOID, SIZE_T, DWORD, DWORD);
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typedef BOOL(WINAPI *FLUSH_INSTRUCTION_CACHE)(HANDLE, LPCVOID, SIZE_T);
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typedef BOOL(WINAPI *VIRTUAL_PROTECT)(LPVOID, SIZE_T, DWORD, PDWORD);
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typedef VOID(WINAPI *SLEEP)(DWORD);
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typedef BOOL(WINAPI *DLLMAIN)(HMODULE, DWORD, LPVOID);
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typedef BOOL(WINAPI *USER_FUNCTION)(LPVOID, DWORD);
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typedef struct _MY_PEB_LDR_DATA
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{
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ULONG Length;
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BOOL Initialized;
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PVOID SsHandle;
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LIST_ENTRY InLoadOrderModuleList;
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LIST_ENTRY InMemoryOrderModuleList;
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LIST_ENTRY InInitializationOrderModuleList;
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} MY_PEB_LDR_DATA, *PMY_PEB_LDR_DATA;
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typedef struct _MY_LDR_DATA_TABLE_ENTRY
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{
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LIST_ENTRY InLoadOrderLinks;
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LIST_ENTRY InMemoryOrderLinks;
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LIST_ENTRY InInitializationOrderLinks;
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PVOID DllBase;
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PVOID EntryPoint;
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ULONG SizeOfImage;
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UNICODE_STRING FullDllName;
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UNICODE_STRING BaseDllName;
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} MY_LDR_DATA_TABLE_ENTRY, *PMY_LDR_DATA_TABLE_ENTRY;
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typedef struct
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{
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WORD offset : 12;
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WORD type : 4;
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} IMAGE_RELOC, *PIMAGE_RELOC;
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PIMAGE_NT_HEADERS64 GetNtHeaders(PBYTE pImage);
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DWORD CalculateHash(UNICODE_STRING *BaseDllName);
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HMODULE GetModuleAddrFromHash(DWORD dwHash);
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HMODULE GetExportAddrFromHash(HMODULE hModule, DWORD dwHash);
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void CopySections(ULONG_PTR pNewImageBase, PVOID pImage, PIMAGE_NT_HEADERS64 pNtHeaders);
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void CopyHeaders(ULONG_PTR pNewImageBase, PVOID pImage, PIMAGE_NT_HEADERS64 pNtHeaders);
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BOOL ProcessRelocations(ULONG_PTR pNewImageBase, PIMAGE_DATA_DIRECTORY pDataDirectory, ULONG_PTR ulpDelta);
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BOOL PatchImportAddressTable(ULONG_PTR pNewImageBase, PIMAGE_DATA_DIRECTORY pDataDirectory, LOAD_LIBRARY_W pLoadLibraryW, GET_PROC_ADDRESS pGetProcAddress);
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void FinalizeRelocations(ULONG_PTR pNewImageBase, PIMAGE_NT_HEADERS64 pNtHeaders, VIRTUAL_PROTECT pVirtualProtect, FLUSH_INSTRUCTION_CACHE pFlushInstructionCache);
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