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[转载]向任意进程注入DLL

[转载]向任意进程注入DLL

原始出处:http://blog.csdn.net/jingzu/archive/2007/11/13/1882805.aspx

可能这对高手来说已经是老掉牙的东西了,

还是来说说原理把(本人也是菜鸟啊)!
远程注入就是在目标进程中用VirtualAllocEx申请一段内存,
然后用WriteProcessMemory函数将自己dll的完整路径复制到远程进程中,
然后在Kernel32中计算LoadLibraryA的地址,再调用LoadLibraryA函数加载远程dll,
并在CreateRemoteThread创建远程进程!
Code Language : C
  1. #include \"stdafx.h\"
  2. #include \"windows.h\"
  3. #include \"tlhelp32.h\"
  4. #include \"stdio.h\"
  5. #pragma comment(lib,\"ws2_32\")
  6.  
  7. int EnableDebugPriv(const char * name)//提提权函数
  8. {
  9.   HANDLE hToken;
  10.   TOKEN_PRIVILEGES tp;
  11.   LUID luid;
  12.   //打开进程令牌环
  13.   if(!OpenProcessToken(GetCurrentProcess(),
  14.   TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY,
  15.     &hToken))
  16.   {
  17.     MessageBox(NULL,\"OpenProcessToken Error!\",\"Error!\",MB_OK);
  18.      return 1;
  19.  }
  20.  //获得进程本地唯一ID
  21.  if(!LookupPrivilegeValue(NULL,name,&luid))
  22.  {
  23.    MessageBox(NULL,\"LookupPrivivlegeValue Error!\",\"Error\",MB_OK);
  24.  }
  25.  tp.PrivilegeCount=1;
  26.  tp.Privileges[0].Attributes=SE_PRIVILEGE_ENABLED;
  27.  tp.Privileges[0].Luid=luid;
  28.  //调整权限
  29.  if(!AdjustTokenPrivileges(hToken,0,&tp,sizeof(TOKEN_PRIVILEGES),NULL,NULL))
  30.  {
  31.    MessageBox(NULL,\"AdjustTokenPrivileges Error!\",\"Error\",MB_OK);
  32.    return 1;
  33.  }
  34.  return 0;
  35. }
  36. BOOL injectit(const char *DllPath,const DWORD dwRemoteProcessld)//注入主函数
  37. {
  38.  HANDLE hrp;
  39.  if(EnableDebugPriv(SE_DEBUG_NAME))
  40.  {
  41.    MessageBox(NULL,\"Add Privilege Error!\",\"Error\",MB_OK);
  42.    return FALSE;
  43.  }
  44.  if((hrp=OpenProcess(PROCESS_CREATE_THREAD|//允许远程创建线程
  45.    PROCESS_VM_OPERATION|//允许远程VM操作
  46.    PROCESS_VM_WRITE,//允许远程VM写
  47.    FALSE,dwRemoteProcessld))==NULL)
  48.  {
  49.    MessageBox(NULL,\"OpenProcess Error!\",\"Error\",MB_OK);
  50.    return FALSE;
  51.  }
  52.  char *psLibFileRemote;
  53.  //使用VirtualAllocEx函数在远程进程的内存地址空间分配DLL文件名缓冲
  54.  psLibFileRemote=(char *)VirtualAllocEx(hrp,NULL,lstrlen(DllPath)+1,
  55.    MEM_COMMIT,PAGE_READWRITE);
  56.  if(psLibFileRemote==NULL)
  57.  {
  58.    MessageBox(NULL,\"VirtualAllocEx Error!\",\"Error\",MB_OK);
  59.    return FALSE;
  60.  }
  61.  //使用WriteProcessMemory函数将DLL的路径名复制到远程的内存空间
  62.  if(WriteProcessMemory(hrp,psLibFileRemote,(void *)DllPath,lstrlen(DllPath)+1,NULL)==0)
  63.  {
  64.    MessageBox(NULL,\"WriteProcessMemory Error!\",\"Error\",MB_OK);
  65.    return FALSE;
  66.  }
  67.  //计算LoadLibraryA的入口地址
  68.  PTHREAD_START_ROUTINE pfnStartAddr=(PTHREAD_START_ROUTINE)
  69.    GetProcAddress(GetModuleHandle(TEXT(\"Kernel32\")),\"LoadLibraryA\");
  70.  if(pfnStartAddr==NULL)
  71.  {
  72.    MessageBox(NULL,\"GetProcAddress Error!\",\"Error\",MB_OK);
  73.    return FALSE;
  74.  }
  75.  //pfnStartAddr地址就是LoadLibraryA的入口地址
  76.  
  77.  
  78.  HANDLE hrt;
  79.  if((hrt=CreateRemoteThread(hrp,
  80.    NULL,
  81.    0,
  82.    pfnStartAddr,
  83.    psLibFileRemote,
  84.    0,
  85.    NULL))==NULL)
  86.  {
  87.    MessageBox(NULL,\"CreateRemote Error!\",\"Error\",MB_OK);
  88.    return FALSE;
  89.  }
  90.  return TRUE;
  91. }
  92. unsigned long getpid(char *pn)//得到进程pid
  93. {
  94.  BOOL b;
  95.  HANDLE hnd;
  96.  PROCESSENTRY32 pe;
  97.  //得到进程快照
  98.  hnd=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
  99.  pe.dwSize=sizeof(pe);
  100.  b=Process32First(hnd,&pe);
  101.  while(b)
  102.  {
  103.    if(strcmp(pn,pe.szExeFile)==0)
  104.      return pe.th32ProcessID;
  105.    b=Process32Next(hnd,&pe);
  106.  }
  107. }
  108.  
  109. int main(int argc, char* argv[])
  110. {
  111.  if(argc<2)
  112.  {
  113.    printf(\"++++++++++++++++++++++++++++++++++++++++++++++++++++++\n\");
  114.    printf(\"injectpro V1.0!\nAuthor:text QQ:52674548\nusage:\n injectpro.exe targetprocess youdll\n\");
  115.    printf(\" eg:injectpro.exe iexplorer.exe c:\\youdll.dll\n\");
  116.    printf(\"++++++++++++++++++++++++++++++++++++++++++++++++++++++\n\");
  117.    return 0;
  118.  }
  119.  EnableDebugPriv(SE_DEBUG_NAME);//自身提权
  120.  DWORD pid=getpid(argv[1]);
  121.  //printf(\"%d\",pid);
  122.  if(pid==0)
  123.    return 1;
  124.    if(injectit(argv[2],pid))
  125.    {
  126.      printf(\"inject success!\");
  127.    }
  128.    else
  129.    {
  130.      printf(\"inject error!\");
  131.    }
  132.  return 0;
  133. }
Parsed in 0.027 seconds

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