Скрыть программу только из вкладки процессы

Скрыть программу только из вкладки процессы

Используется DLL.

объявление

THideProc = function (pid: DWORD; HideOnlyFromTaskManager: BOOL): BOOL; stdcall;

library nthide;

uses Windows, SysUtils, ImageHlp, TlHelp32;

type SYSTEM_INFORMATION_CLASS = (
SystemBasicInformation,
SystemProcessorInformation,
SystemPerformanceInformation,
SystemTimeOfDayInformation,
SystemNotImplemented1,
SystemProcessesAndThreadsInformation,
SystemCallCounts,
SystemConfigurationInformation,
SystemProcessorTimes,
SystemGlobalFlag,
SystemNotImplemented2,
SystemModuleInformation,
SystemLockInformation,
SystemNotImplemented3,
SystemNotImplemented4,
SystemNotImplemented5,
SystemHandleInformation,
SystemObjectInformation,
SystemPagefileInformation,
SystemInstructionEmulationCounts,
SystemInvalidInfoClass1,
SystemCacheInformation,
SystemPoolTagInformation,
SystemProcessorStatistics,
SystemDpcInformation,
SystemNotImplemented6,
SystemLoadImage,
SystemUnloadImage,
SystemTimeAdjustment,
SystemNotImplemented7,
SystemNotImplemented8,
SystemNotImplemented9,
SystemCrashDumpInformation,
SystemExceptionInformation,
SystemCrashDumpStateInformation,
SystemKernelDebuggerInformation,
SystemContextSwitchInformation,
SystemRegistryQuotaInformation,
SystemLoadAndCallImage,
SystemPrioritySeparation,
SystemNotImplemented10,
SystemNotImplemented11,
SystemInvalidInfoClass2,
SystemInvalidInfoClass3,
SystemTimeZoneInformation,
SystemLookasideInformation,
SystemSetTimeSlipEvent,
SystemCreateSession,
SystemDeleteSession,
SystemInvalidInfoClass4,
SystemRangeStartInformation,
SystemVerifierInformation,
SystemAddVerifier,
SystemSessionProcessesInformation
);

_IMAGE_IMPORT_DESCRIPTOR = packed record
  case Integer of
   0:(
    Characteristics: DWORD);
   1:(
    OriginalFirstThunk:DWORD;
    TimeDateStamp:DWORD;
    ForwarderChain: DWORD;
    Name: DWORD;
    FirstThunk: DWORD);
   end;
IMAGE_IMPORT_DESCRIPTOR=_IMAGE_IMPORT_DESCRIPTOR;
PIMAGE_IMPORT_DESCRIPTOR=^IMAGE_IMPORT_DESCRIPTOR;

PFARPROC=^FARPROC;

procedure ReplaceIATEntryInOneMod(pszCallerModName: Pchar; pfnCurrent: FarProc; pfnNew: FARPROC; hmodCaller: hModule);
var     ulSize: ULONG;
   pImportDesc: PIMAGE_IMPORT_DESCRIPTOR;
    pszModName: PChar;
        pThunk: PDWORD; ppfn:PFARPROC;
        ffound: LongBool;
       written: DWORD;
begin
pImportDesc:= ImageDirectoryEntryToData(Pointer(hmodCaller), TRUE,IMAGE_DIRECTORY_ENTRY_IMPORT, ulSize);
  if pImportDesc = nil then exit;
  while pImportDesc.Name<>0 do
   begin
    pszModName := PChar(hmodCaller + pImportDesc.Name);
     if (lstrcmpiA(pszModName, pszCallerModName) = 0) then break;
    Inc(pImportDesc);
   end;
  if (pImportDesc.Name = 0) then exit;
pThunk := PDWORD(hmodCaller + pImportDesc.FirstThunk);
  while pThunk^<>0 do
   begin
    ppfn := PFARPROC(pThunk);
    fFound := (ppfn^ = pfnCurrent);
     if (fFound) then
      begin
       VirtualProtectEx(GetCurrentProcess,ppfn,4,PAGE_EXECUTE_READWRITE,written);
       WriteProcessMemory(GetCurrentProcess, ppfn, @pfnNew, sizeof(pfnNew), Written);
       exit;
      end;
    Inc(pThunk);
   end;
end;

var
addr_NtQuerySystemInformation: Pointer;
mypid: DWORD;
fname: PCHAR;
mapaddr: PDWORD;
hideOnlyTaskMan: PBOOL;

function myNtQuerySystemInfo(SystemInformationClass: SYSTEM_INFORMATION_CLASS; SystemInformation: Pointer;
SystemInformationLength:ULONG; ReturnLength:PULONG):LongInt; stdcall;
label onceagain, getnextpidstruct, quit, fillzero;
asm
push ReturnLength
push SystemInformationLength
push SystemInformation
push dword ptr SystemInformationClass
call dword ptr [addr_NtQuerySystemInformation]
or eax,eax
jl quit
cmp SystemInformationClass, SystemProcessesAndThreadsInformation
jne quit

onceagain:
mov esi, SystemInformation

getnextpidstruct:
mov ebx, esi
cmp dword ptr [esi],0
je quit
add esi, [esi]
mov ecx, [esi+44h]
cmp ecx, mypid
jne getnextpidstruct
mov edx, [esi]
test edx, edx
je fillzero
add [ebx], edx
jmp onceagain

fillzero:
and [ebx], edx
jmp onceagain

quit:
mov Result, eax
end;

procedure InterceptFunctions;
var hSnapShot: THandle;
         me32: MODULEENTRY32;
begin
addr_NtQuerySystemInformation:=GetProcAddress(getModuleHandle('ntdll.dll'),'NtQuerySystemInformation');
hSnapShot:=CreateToolHelp32SnapShot(TH32CS_SNAPMODULE,GetCurrentProcessId);
  if hSnapshot=INVALID_HANDLE_VALUE then exit;
   try
    ZeroMemory(@me32,sizeof(MODULEENTRY32));
    me32.dwSize:=sizeof(MODULEENTRY32);
    Module32First(hSnapShot,me32);
     repeat
      ReplaceIATEntryInOneMod('ntdll.dll',addr_NtQuerySystemInformation,@MyNtQuerySystemInfo,me32.hModule);
     until not Module32Next(hSnapShot,me32);
   finally
    CloseHandle(hSnapShot);
   end;
end;

procedure UninterceptFunctions;
var hSnapShot: THandle;
         me32: MODULEENTRY32;
begin
addr_NtQuerySystemInformation:=GetProcAddress(getModuleHandle('ntdll.dll'),'NtQuerySystemInformation');
hSnapShot:=CreateToolHelp32SnapShot(TH32CS_SNAPMODULE,GetCurrentProcessId);
  if hSnapshot=INVALID_HANDLE_VALUE then exit;
  try
   ZeroMemory(@me32,sizeof(MODULEENTRY32));
   me32.dwSize:=sizeof(MODULEENTRY32);
   Module32First(hSnapShot,me32);
    repeat
     ReplaceIATEntryInOneMod('ntdll.dll',@MyNtQuerySystemInfo,addr_NtQuerySystemInformation,me32.hModule);
    until not Module32Next(hSnapShot,me32);
  finally
   CloseHandle(hSnapShot);
  end;
end;


var HookHandle: THandle;

function CbtProc(code: integer; wparam: integer; lparam: integer):Integer; stdcall;
begin
Result:=0;
end;

procedure InstallHook; stdcall;
begin
HookHandle:=SetWindowsHookEx(WH_CBT, @CbtProc, HInstance, 0);
end;

var hFirstMapHandle:THandle;

function HideProcess(pid:DWORD; HideOnlyFromTaskManager:BOOL):BOOL; stdcall;
var addrMap: PDWORD;
       ptr2: PBOOL;
begin
mypid:=0;
result:=false;
hFirstMapHandle:=CreateFileMapping($FFFFFFFF,nil,PAGE_READWRITE,0,8,'NtHideFileMapping');
  if hFirstMapHandle=0 then exit;
addrMap:=MapViewOfFile(hFirstMapHandle,FILE_MAP_WRITE,0,0,8);
  if addrMap=nil then
   begin
    CloseHandle(hFirstMapHandle);
    exit;
   end;
addrMap^:=pid;
ptr2:=PBOOL(DWORD(addrMap)+4);
ptr2^:=HideOnlyFromTaskManager;
UnmapViewOfFile(addrMap);
InstallHook;
result:=true;
end;

exports
HideProcess;

var
hmap: THandle;

procedure LibraryProc(Reason: Integer);
begin
if Reason = DLL_PROCESS_DETACH then
  if mypid > 0 then
   UninterceptFunctions()
else
  CloseHandle(hFirstMapHandle);
end;

begin
hmap:=OpenFileMapping(FILE_MAP_READ,false,'NtHideFileMapping');
  if hmap=0 then exit;
  try
   mapaddr:=MapViewOfFile(hmap,FILE_MAP_READ,0,0,0);
    if mapaddr=nil then exit;
   mypid:=mapaddr^;
   hideOnlyTaskMan:=PBOOL(DWORD(mapaddr)+4);
    if hideOnlyTaskMan^ then
     begin
      fname:=allocMem(MAX_PATH+1);
      GetModuleFileName(GetModuleHandle(nil),fname,MAX_PATH+1);
       if not (ExtractFileName(fname)='taskmgr.exe') then exit;
     end;
   InterceptFunctions;
  finally
   UnmapViewOfFile(mapaddr);
   CloseHandle(Hmap);
   DLLProc:=@LibraryProc;
  end;
end.

Эта запись была добавлена в Пятница, 30 мая, 2008 - 19:20 В разделы Операционная система, Процессы. Вы можете подписаться на получение новых комментариев RSS 2.0 feed. Both comments and pings are currently closed.