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| library hook;
uses
windows,
sysutils,
uallDisasm,
uallDisasmEx,
uallHook,
uallKernel,
uallProcess,
uallProtect,
uallUtil,
uallTableHook,
uallRelocHook,
JwaWinNt,
JwaWinType,
JwaNtStatus,
PsApi,
TlHelp32,
classes;
var
oldNtCreateProcess, NextNtCreateProcess: function(ProcessHandle: PHANDLE;
DesiredAccess: ACCESS_MASK;
ObjectAttributes: POBJECT_ATTRIBUTES;
InheritFromProcessHandle: HANDLE;
InheritHandles: ByteBool;
SectionHandle: HANDLE;
DebutPort: HANDLE;
ExceptionPort: HANDLE): NTSTATUS; stdcall;
oldNtCreateProcessEx, NextNtCreateProcessEx: function(ProcessHandle: PHANDLE;
DesiredAccess: ACCESS_MASK;
ObjectAttributes: POBJECT_ATTRIBUTES;
InheritFromProcessHandle: HANDLE;
InheritHandles: ByteBool;
SectionHandle: HANDLE;
DebutPort: HANDLE;
ExceptionPort: HANDLE): NTSTATUS; stdcall;
function myNtCreateProcess(ProcessHandle: PHANDLE;
DesiredAccess: ACCESS_MASK;
ObjectAttributes: Pointer;
InheritFromProcessHandle: Cardinal;
InheritHandles: ByteBool;
SectionHandle: Cardinal;
DebutPort: Cardinal;
ExceptionPort: Cardinal): Cardinal; stdcall;
begin
MessageBox(0, 'ntcreate', 'hallo', MB_ICONINFORMATION);
result := NextNtCreateProcess(ProcessHandle,
DesiredAccess,
ObjectAttributes,
InheritFromProcessHandle,
InheritHandles,
SectionHandle,
DebutPort,
ExceptionPort);
end;
function myNtCreateProcessEx(ProcessHandle: PHANDLE;
DesiredAccess: ACCESS_MASK;
const ObjectAttributes: POBJECT_ATTRIBUTES;
InheritFromProcessHandle: HANDLE;
InheritHandles: ByteBool;
SectionHandle: HANDLE;
DebutPort: HANDLE;
ExceptionPort: HANDLE): NTSTATUS; stdcall;
const STATUS_ACCESS_DENIED = $C0000022;
begin
MessageBox(0, 'ntcreateex', PCHAR(ProcessHandle), MB_ICONINFORMATION);
result := NextNtCreateProcessEx(ProcessHandle,
DesiredAccess,
ObjectAttributes,
InheritFromProcessHandle,
InheritHandles,
SectionHandle,
DebutPort,
ExceptionPort);
end;
procedure injectmain;
var mynt: integer;
begin
mynt := GetModuleHandle('ntdll.dll');
if my > 0 then
begin
@oldNtCreateProcess := GetProcAddress(mynt,'NtCreateProcess');
if @oldNtCreateProcess <> nil then
uallHook.HookCode(@oldNtCreateProcess,@myNtCreateProcess,@nextNtCreateProcess);
@oldNtCreateProcessEx := GetProcAddress(mynt,'NtCreateProcessEx');
if @oldNtCreateProcessEx <> nil then
uallHook.HookCode(@oldNtCreateProcessEx,@myNtCreateProcessEx,@nextNtCreateProcessEx);
end;
end;
procedure uninjectmain;
begin
uallHook.UnhookCode(@nextNtCreateProcess);
uallHook.UnhookCode(@nextNtCreateProcessEx);
end;
procedure dllmain(dwReason: integer);
begin
case dwreason of
DLL_PROCESS_ATTACH:
injectmain;
DLL_PROCESS_DETACH:
uninjectmain;
end;
end;
begin
DLLProc := @DLLMain;
DLLMain(1);
end. |