第九章 导入表程序 windows程序设计 王艳平版

//////////////////////////////////////////////////
// ImportTable.cpp文件




#include <stdio.h>
#include <windows.h>


void main() // 09ImportTable
{
HMODULE hMod = ::GetModuleHandle(NULL);


IMAGE_DOS_HEADER* pDosHeader = (IMAGE_DOS_HEADER*)hMod;
IMAGE_OPTIONAL_HEADER * pOptHeader =
(IMAGE_OPTIONAL_HEADER *)((BYTE*)hMod + pDosHeader->e_lfanew + 24);


IMAGE_IMPORT_DESCRIPTOR* pImportDesc = (IMAGE_IMPORT_DESCRIPTOR*)
((BYTE*)hMod + pOptHeader->DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress);


while(pImportDesc->FirstThunk)
{
char* pszDllName = (char*)((BYTE*)hMod +pImportDesc->Name);
printf("\n模块名称：%s \n", pszDllName);


// 一个IMAGE_THUNK_DATA就是一个双字，它指定了一个导入函数
IMAGE_THUNK_DATA* pThunk = (IMAGE_THUNK_DATA*)
((BYTE*)hMod + pImportDesc->OriginalFirstThunk);
int n = 0;
while(pThunk->u1.Function)
{
// 取得函数名称。hint/name表前两个字节是函数的序号，后4个字节是函数名称字符串的地址
char* pszFunName = (char*)
((BYTE*)hMod + (DWORD)pThunk->u1.AddressOfData + 2);
// 取得函数地址。IAT表就是一个DWORD类型的数组，每个成员记录一个函数的地址
PDWORD lpAddr = (DWORD*)((BYTE*)hMod + pImportDesc->FirstThunk) + n;


// 打印出函数名称和地址
printf("  从此模块导入的函数：%-25s，", pszFunName);
printf("函数地址：%X \n", lpAddr);
n++; pThunk++;
}

pImportDesc++;
}
}






/*
struct CAPISpyData
{
char szModName[256];
char szFuncName[256];
HWND hWndCaller;
};


#define SHAREMEM "APISpyLib"


void main()
{


STARTUPINFO si = { sizeof(si) };
PROCESS_INFORMATION pi;
::CreateProcess(NULL, "notepad.exe", NULL, NULL, FALSE, 
0, NULL, NULL, &si, &pi);


return ;


char szDll[] = "E:\\MyWork\\book_code\\09APISpyLib\\Debug\\09APISpyLib.dll";
CShareMemory* m_pShareMem = new CShareMemory(SHAREMEM, sizeof(CAPISpyData), TRUE);
CAPISpyData* pData = (CAPISpyData*)m_pShareMem->GetBuffer();


pData->hWndCaller = NULL;
strcpy(pData->szFuncName, "MessageBoxA");
strcpy(pData->szModName, "User32.dll");




CRemThreadInjector injector(szDll);


injector.InjectModuleInto(1100);


getchar();


injector.EjectModuleFrom(1100);




return;
HMODULE h = ::LoadLibrary(szDll);


::MessageBox(0, "ddd", "ddddddddddd", 0);


::FreeLibrary(h);


::GetProcAddress(h, 0);




}
*/