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@ -0,0 +1,87 @@
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#include "windows.h"
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#include "stdio.h"
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#include <iostream>
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BOOL LoadPeFile(LPCWSTR FilePath, PUCHAR* ppImageBase)
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{
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HANDLE hFile = CreateFileW(FilePath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (INVALID_HANDLE_VALUE == hFile) {
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printf("ERROR: LoadPeFile: CreateFile fails with %d error \n", GetLastError());
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return false;
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}
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HANDLE hFileMapping = CreateFileMapping(hFile, NULL, PAGE_READONLY | SEC_IMAGE_NO_EXECUTE, 0, 0, NULL);
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if (NULL == hFileMapping) {
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printf("ERROR: LoadPeFile: CreateFileMapping fails with %d error \n", GetLastError());
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return false;
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}
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LPVOID p = MapViewOfFile(hFileMapping, FILE_MAP_READ, 0, 0, 0);
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if (NULL == p) {
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printf("ERROR: LoadPeFile: MapViewOfFile fails with %d error \n", GetLastError());
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return false;
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}
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*ppImageBase = (PUCHAR)p;
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return true;
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}
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#define TO_PSTRUCT(TYPE, offset) (TYPE)(pImageBase+(offset)) //RVA
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#define VAR_OF_PSTRUCT(var, TYPE, offset) TYPE var = TO_PSTRUCT(TYPE, offset)
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#define READ_BYTES(var, header) var = (PUCHAR)(&header->Signature)
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int wmain(int argc, wchar_t* argv[])
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{
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if (argc != 2) {
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printf("Usage: %ls PeFilePath \n", argv[0]);
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return -1;
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}
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LPCWSTR g_FilePath = argv[1];
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PUCHAR pImageBase = nullptr;
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if (!LoadPeFile(g_FilePath, &pImageBase)) return -1;
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printf("MS-DOS Signature: %c%c \n", pImageBase[0], pImageBase[1]);
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if (pImageBase[0] != 'M' || pImageBase[1] != 'Z') {
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printf("Not a valid PE file!\n");
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return -1;
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}
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PIMAGE_DOS_HEADER pDosHeader = (PIMAGE_DOS_HEADER)pImageBase;
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VAR_OF_PSTRUCT(pTempPeHeader, PIMAGE_NT_HEADERS, pDosHeader->e_lfanew); //offset to PE Header
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PUCHAR p;
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READ_BYTES(p, pTempPeHeader);
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printf("PE Signature: %c%c %x%x \n", p[0], p[1], p[2], p[3]);
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WORD nSections = pTempPeHeader->FileHeader.NumberOfSections;
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printf("PE Sections total %d \n", nSections);
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PIMAGE_SECTION_HEADER pSectionHeader = nullptr;
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switch (pTempPeHeader->FileHeader.Machine) {
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case IMAGE_FILE_MACHINE_I386:
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printf("PE Architecture: x86 \n");
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pSectionHeader = (PIMAGE_SECTION_HEADER)(((PUCHAR)pTempPeHeader) + sizeof(IMAGE_NT_HEADERS32));
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break;
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case IMAGE_FILE_MACHINE_AMD64:
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printf("PE Architecture: x64 \n");
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pSectionHeader = (PIMAGE_SECTION_HEADER)(((PUCHAR)pTempPeHeader) + sizeof(IMAGE_NT_HEADERS64));
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break;
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default:
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printf("PE Architecture: unknown \n");
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return -1;
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break;
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}
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CHAR nmSection[9];
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memset(nmSection, 0, sizeof(nmSection));
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for (int i = 0; i < nSections; i++) {
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memcpy(nmSection, pSectionHeader->Name, 8);
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printf("section #%i %s \n", i, nmSection);
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pSectionHeader++;
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}
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return 0;
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}
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