查看PE文件重定位表

#include "stdafx.h"
#include <Windows.h>

DWORD RVA2Offset(PIMAGE_NT_HEADERS pNTHeader, DWORD dwRVA)
{
    PIMAGE_SECTION_HEADER pSection = (PIMAGE_SECTION_HEADER)((DWORD)pNTHeader + sizeof(IMAGE_NT_HEADERS));

    for(int i = 0; i < pNTHeader->FileHeader.NumberOfSections; i++)
    {
        if(dwRVA >= pSection[i].VirtualAddress && dwRVA < (pSection[i].VirtualAddress + pSection[i].SizeOfRawData))
        {
            return pSection[i].PointerToRawData + (dwRVA - pSection[i].VirtualAddress);
        }
    }

    return 0;
}

int _tmain(int argc, _TCHAR* argv[])
{
    HANDLE hFile = CreateFile(argv[1], GENERIC_ALL, FILE_SHARE_WRITE, NULL, OPEN_EXISTING, NULL, NULL);
    HANDLE hMapping = CreateFileMapping(hFile, NULL, PAGE_READWRITE, 0, 0, NULL);
    PVOID pbFile = MapViewOfFile(hMapping, FILE_MAP_ALL_ACCESS, 0, 0, 0);

    if(INVALID_HANDLE_VALUE == hFile || NULL == hMapping || NULL == pbFile)
    {
        printf("\n\t---------- The File Inexistence! ----------\n");
        goto EXIT;
    }

    PIMAGE_DOS_HEADER pDosHeader = (PIMAGE_DOS_HEADER)pbFile;
    PIMAGE_NT_HEADERS pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pbFile + pDosHeader->e_lfanew);

    if(0x00004550 != pNTHeader->Signature)
    {
        printf("\n\t---------- Lawless PE File! ----------\n");
        goto EXIT;
    }

    DWORD dwRelocOffset = RVA2Offset(pNTHeader, pNTHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress);
    PIMAGE_BASE_RELOCATION pReloc = (PIMAGE_BASE_RELOCATION)((DWORD)pbFile + dwRelocOffset);

    if(0 == pReloc->VirtualAddress)
    {
        printf("\n\t---------- No Relocation Table! ----------\n");
        goto EXIT;
    }

    while(pReloc->VirtualAddress)
    {
        printf("[0x%08X]\n\n", pReloc->VirtualAddress);

        for(int i = 0; i < (pReloc->SizeOfBlock - sizeof(IMAGE_BASE_RELOCATION)) / 2; i++)
        {
            printf("   <%04d> - 0x%08X\n", i, pReloc->VirtualAddress + ((*(WORD*)((DWORD)pReloc + sizeof(IMAGE_BASE_RELOCATION) + i * 2)) & 0x0FFF));
        }

        printf("\n");

        pReloc = (PIMAGE_BASE_RELOCATION)((DWORD)pReloc + pReloc->SizeOfBlock);
    }

EXIT:
    if(NULL != pbFile)
    {
        UnmapViewOfFile(pbFile);
    }

    if(NULL != hMapping)
    {
        CloseHandle(hMapping);
    }

    if (INVALID_HANDLE_VALUE != hFile)
    {
        CloseHandle(hFile);
    }

    return 0;
}