۱۴-فروردین-۱۳۹۲, ۱۰:۴۹:۲۱
گروه AT4RE یک پروژه ساختند به نام KmdKit4D این کیت بنام Meerkat Advanced kernel mode driver میباشد که برای نوشتن درایور به زبان دلفی برای کارهای کوچک و بیشتر کاربری user میباشد که میتوانید نسخه 1.1 ان با پشتیبانی از دلفی های نسخه XE را از لینک زیر دریافت کنید به همراه 15 مثال
![[تصویر: meerkat.jpg]](http://www.at4re.com/filez/downloadthumbs/meerkat.jpg)
این هم یک مثال دیگر
NtOpenProcess[SSDT Hook]i
کد:
حجم 2.06 مگ
http://www.at4re.com/download.php?mirror.22این هم یک مثال دیگر
NtOpenProcess[SSDT Hook]i
کد:
unit Driver;
interface
uses
ntddk; // ---->DDDK.pas
function _DriverEntry(DriverObject: PDriverObject; RegistryPath: PUnicodeString): NTSTATUS; stdcall;
implementation
type
TZwOpenProcess = function(ProcessHandle:PHandle; DesiredAccess:TAccessMask; ObjectAttributes:PObjectAttributes; ClientId:PClientId): NTSTATUS; stdcall;
var
HookActive: Boolean;
ZwOpenProcessNextHook: TZwOpenProcess;
function GetImportFunAddr(lpImportAddr: Pointer): Pointer; stdcall;
begin
Result := PPointer(PPointer(Cardinal(lpImportAddr) + 2)^)^;
end;
function SystemServiceName(AFunc: Pointer): PLONG; stdcall;
var
lpKeServiceDescriptorTable: PServiceDescriptorEntry;
begin
lpKeServiceDescriptorTable := PPointer(@KeServiceDescriptorTable)^;
Result := PLONG(Cardinal(lpKeServiceDescriptorTable^.ServiceTableBase) + (SizeOf(ULONG) * PULONG(ULONG(AFunc) + 1)^));
end;
function SystemServiceOrd(iOrd: ULONG): PLONG; stdcall;
var
lpKeServiceDescriptorTable: PServiceDescriptorEntry;
begin
lpKeServiceDescriptorTable := PPointer(@KeServiceDescriptorTable)^;
Result := PLONG(PLONG(Cardinal(lpKeServiceDescriptorTable^.ServiceTableBase) + (SizeOf(ULONG) * iOrd)));
end;
function ZwOpenProcessHookProc(ProcessHandle:PHandle; DesiredAccess:TAccessMask; ObjectAttributes:PObjectAttributes; ClientId:PClientId): NTSTATUS; stdcall;
begin
DbgPrint('ZwOpenProcess HookProc: NewZwOpenProcess(ProcessHandle:0x%.8X,DesiredAccess:0x%.8X,ObjectAttributes:0x%.8X,ClientId:0x%.8X)',
ProcessHandle, DesiredAccess, ObjectAttributes, ClientId);
Result := ZwOpenProcessNextHook(ProcessHandle, DesiredAccess, ObjectAttributes, ClientId);
DbgPrint('ZwOpenProcess HookProc: NewZwOpenProcess(-):0x%.8X', Result);
end;
procedure DriverUnload(DriverObject:PDriverObject); stdcall;
begin
if (HookActive) then
begin
asm
cli //disable WP bit
push eax
mov eax, cr0 //move CR0 register into EAX
and eax, not 000010000h //disable WP bit
mov cr0, eax //write register back
pop eax
end;
ZwOpenProcessNextHook := TZwOpenProcess(xInterlockedExchange(SystemServiceName(GetImportFunAddr(@ZwOpenProcess)), LONG(@ZwOpenProcessNextHook)));
asm
push eax //enable WP bit
mov eax, cr0 //move CR0 register into EAX
or eax, 000010000h //enable WP bit
mov cr0, eax //write register back
pop eax
sti
end;
DbgPrint('ZwOpenProcess New Address: 0x%.8X', SystemServiceName(GetImportFunAddr(@ZwOpenProcess))^);
DbgPrint('ZwOpenProcess Old Address: 0x%.8X', DWORD(@ZwOpenProcessNextHook));
HookActive := False;
end;
DbgPrint('DriverUnload(-)');
end;
function _DriverEntry(DriverObject:PDriverObject;RegistryPath:PUnicodeString): NTSTATUS; stdcall;
begin
DriverObject^.DriverUnload := @DriverUnload;
Result := STATUS_SUCCESS;
DbgPrint('DriverEntry(-):0x%.8X', Result);
HookActive := False;
DbgPrint('ZwOpenProcess Import Address: 0x%.8X', GetImportFunAddr(@ZwOpenProcess));
DbgPrint('KeServiceDescriptorTable() Address 1: 0x%.8X', @KeServiceDescriptorTable);
DbgPrint('KeServiceDescriptorTable() Address 2: 0x%.8X', PPointer(@KeServiceDescriptorTable)^);
DbgPrint('ZwOpenProcess Ord Address: 0x%.8X', SystemServiceOrd($7A)^); // XP Ord!
DbgPrint('ZwOpenProcess Name Address: 0x%.8X', SystemServiceName(GetImportFunAddr(@ZwOpenProcess))^);
DbgPrint('ZwOpenProcess HookProc Address: 0x%.8X', @ZwOpenProcessHookProc);
if (Not HookActive) then
begin
// SSDT Hook
asm //disable WP bit
cli
push eax
mov eax, cr0 //move CR0 register into EAX
and eax, not 000010000h //disable WP bit
mov cr0, eax //write register back
pop eax
end;
//lpNew^ := LONG(lpOld);
ZwOpenProcessNextHook := TZwOpenProcess(xInterlockedExchange(SystemServiceName(GetImportFunAddr(@ZwOpenProcess)), LONG(@ZwOpenProcessHookProc)));
asm
push eax //enable WP bit
mov eax, cr0 //move CR0 register into EAX
or eax, 000010000h //enable WP bit
mov cr0, eax //write register back
pop eax
sti
end;
DbgPrint('ZwOpenProcess New Address: 0x%.8X', SystemServiceName(GetImportFunAddr(@ZwOpenProcess))^);
DbgPrint('ZwOpenProcess Old Address: 0x%.8X', DWORD(@ZwOpenProcessNextHook));
HookActive := True;
end else
begin
DbgPrint('ZwOpenProcess Hooked!!! By Anskya');
end;
end;
end.