• 滴水逆向-打印数据目录


    核心代码部分

    //简单打印可选PE头的数据目录
    
    VOID FileBufferPrintDataDirectory(IN LPVOID pFileBuffer)
    {
        PIMAGE_DOS_HEADER pDosHeader = NULL;
        PIMAGE_NT_HEADERS pNTHeader = NULL;
        PIMAGE_FILE_HEADER pPEHeader = NULL;
        PIMAGE_OPTIONAL_HEADER32 pOptionHeader = NULL;
        PIMAGE_SECTION_HEADER pSectionHeader = NULL;
        PIMAGE_DATA_DIRECTORY pDataDirectory = NULL;
    
        if (pFileBuffer == NULL)
        {
            printf("FileBuffer 获取失败!
    ");
            return;
        }
    
        //判断是否是有效的MZ标志
        if (*((PWORD)pFileBuffer) != IMAGE_DOS_SIGNATURE)
        {
            printf("无效的MZ标识
    ");
            return;
        }
        pDosHeader = (PIMAGE_DOS_HEADER)pFileBuffer;
    
        //判断是否是有效的PE标志
        if (*((PDWORD)((DWORD)pFileBuffer+pDosHeader->e_lfanew)) != IMAGE_NT_SIGNATURE)
        {
            printf("无效的PE标记
    ");
            return;
        }
        //定位NT头
        pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pFileBuffer+pDosHeader->e_lfanew);
        pPEHeader = (PIMAGE_FILE_HEADER)(((DWORD)pNTHeader)+4);
        pOptionHeader = (PIMAGE_OPTIONAL_HEADER32)((DWORD)pPEHeader+IMAGE_SIZEOF_FILE_HEADER);
        //	pDataDirectory = PIMAGE_DATA_DIRECTORY((&pOptionHeader->NumberOfRvaAndSizes + 1));
        pDataDirectory = pOptionHeader->DataDirectory;
        printf("		 RVA		 大小
    ");
    
        //打印相关信息测试
        //#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES    16
    
        //下面是一种粗糙的遍历写法;
        /*
        for (int i = 0; i < IMAGE_NUMBEROF_DIRECTORY_ENTRIES; i++,pDataDirectory++)
        {
            printf("%#08X 
    ",pDataDirectory->VirtualAddress);
            printf("%#08X 
    ",pDataDirectory->Size);
        }
        */
    
        for (DWORD i = 0; i< IMAGE_NUMBEROF_DIRECTORY_ENTRIES; i++)
        {
           DirectoryString(i);
           printf("%08X	%08X
    ",pDataDirectory[i].VirtualAddress,pDataDirectory[i].Size);
        }
        
        return;
    }
    
    VOID DirectoryString(DWORD dwIndex)
    {
        switch(dwIndex)
        {
        case 0:
            printf("输出表:		");
            break;
        case 1:
            printf("输入表:		");
            break;
        case 2:
            printf("资源:		");
            break;
        case 3:
            printf("异常:		");
            break;
        case 4:
            printf("安全:		");
            break;
        case 5:
            printf("重定位:		");
            break;
        case 6:
            printf("调试:		");
            break;
        case 7:
            printf("版权:		");
            break;
        case 8:
            printf("全局指针:	");
            break;
        case 9:
            printf("TLS表:		");
            break;
        case 10:
            printf("载入配置:	");
            break;
        case 11:
            printf("输入范围:	");
            break;
        case 12:
            printf("IAT:		");
            break;
        case 13:
            printf("延时输入	");
            break;
        case 14:
            printf("COM:		");
            break;
        case 15:
            printf("保留:		");
            break;
        }
    }
    

    上述代码定义好头文件,然后在main入口调用即可,下面是执行后的效果;

    迷茫的人生,需要不断努力,才能看清远方模糊的志向!
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  • 原文地址:https://www.cnblogs.com/autopwn/p/15293957.html
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