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FreezingFire Admin Team

Joined: 23 Jun 2002 Posts: 3508
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FreezingFire Admin Team

Joined: 23 Jun 2002 Posts: 3508
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Posted: Tue Nov 05, 2002 11:52 pm Post subject: |
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The below is a link to a kit to disable CTRL+ALT+DEL all versions of Windows including Windows NT/2000 and XP.
| Quote: | KeyboardControl Software Developer Kit allows custom Win32 applications to expand control over Windows environment by adding the ability to filter out and disable any keystroke or combination keystroke such as PrintScreen, Alt+Tab, Alt+F4, Ctrl+Tab, Ctrl+Alt+Del, Alt+Esc, Ctrl+F4, etc. on all versions of Windows including Windows NT/2000 and XP. It's a very valuable tool for leading-edge security applications development.
Requirements:
Microsoft Visual C++, Borland C++ Builder, Microsoft Visual Basic, Borland Delphi or any other Win32 compliant IDE.
Windows 95/98/Me or NT/2000/XP. |
http://www.meliorasoft.com/kits/keyboard/index.htm _________________ FreezingFire
VDSWORLD.com
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Garrett Moderator Team
Joined: 04 Oct 2001 Posts: 2149 Location: A House
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Posted: Wed Nov 06, 2002 12:41 am Post subject: |
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After doing some more reading online, I found that simulating the ctrl+alt+del on NT based systems is not going to happen. NT won't allow it at all. It's part of the security measures built into the NT system. There were references to a GINA dll, but such references were about making a wrapper or something like that. Far too complicated for my feable brain.
So it looks like that code I did will only work on Windows 95 through Windows ME.
-Garrett |
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marty Professional Member


Joined: 10 May 2001 Posts: 789
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Posted: Wed Nov 06, 2002 1:36 pm Post subject: |
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Hi,
I cant seem to reach the website Freezingfire...always times out... Do you have another place where I can get it? If its not too complicated I may be able to do a DLL for it or included in my future DLL. (Of course if they give it away as a freeware)
Thanks  |
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vdsalchemist Admin Team

Joined: 23 Oct 2001 Posts: 1448 Location: Florida, USA
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Posted: Wed Nov 06, 2002 1:50 pm Post subject: |
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Hey All,
I just looked at that kit and it is a $299 kit? Wow I wander why it is so much? Anyway I kust thought you would want to know. _________________ Home of
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marty Professional Member


Joined: 10 May 2001 Posts: 789
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Posted: Wed Nov 06, 2002 1:56 pm Post subject: |
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Wow what a steal!!!!
Anyway I found some VB code to Disable CTRL-ALT-DEL I will try to convert this to Delphi and see how it goes...
Thanks Mindpower for the info...  |
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vdsalchemist Admin Team

Joined: 23 Oct 2001 Posts: 1448 Location: Florida, USA
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Posted: Wed Nov 06, 2002 2:48 pm Post subject: |
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Also the MSDN article above from FreezingFire will not work on NT and above.
[/url] _________________ Home of
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Tommy Admin Team
Joined: 16 Nov 2002 Posts: 746 Location: The Netherlands
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Posted: Wed Nov 06, 2002 2:59 pm Post subject: |
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The Keyboard Control software that FreezingFire mentioned seems to include some
(kernel?) drivers, which probably explains why it's so expensive. At least I expect it to
require administrator privileges on Windows NT in order to work. |
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Garrett Moderator Team
Joined: 04 Oct 2001 Posts: 2149 Location: A House
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Posted: Wed Nov 06, 2002 4:22 pm Post subject: |
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BTW, the vdssave.dll disables the ctrl+alt+del keys. Problem is though, that I still can't get any of the hotkey dlls to intercept those keys after the dll has disabled windows from catching them.
-Garrett |
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marty Professional Member


Joined: 10 May 2001 Posts: 789
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Posted: Wed Nov 06, 2002 4:50 pm Post subject: |
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| Quote: | | BTW, the vdssave.dll disables the ctrl+alt+del keys. Problem is though, that I still can't get any of the hotkey dlls to intercept those keys after the dll has disabled windows from catching them | .
Not on an NT machine. I tried to today.
Like I said I found some piece of code and will try tonight if I have a chance...
There`s something about registering the app as a service on NT and then disabling the CTRL-ALT-DEL using some code...
Ciao |
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FreezingFire Admin Team

Joined: 23 Jun 2002 Posts: 3508
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Tommy Admin Team
Joined: 16 Nov 2002 Posts: 746 Location: The Netherlands
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Posted: Sun Feb 09, 2003 11:34 pm Post subject: |
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The article FreezingFire mentioned is great! For those of you who didn't read the full
article, this is the clue:
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You can forget about GINA because all you have to do to disable Ctrl+Alt+Del is set a policy. Really. Go to the Start menu, select Run, and type "gpedit.msc" to run the Group Policy editor. Look in User Configuration | Administrative Templates | System and you'll find a section called Ctrl+Alt+Del Options (see Figure 2). "Remove Task Manager" is just the ticket to make Ctrl+Alt+Del go bye-bye. From code, you have to set the registry entry:
HKCU\
Software\
Microsoft\
Windows\
CurrentVersion\
Policies\
System\DisableTaskMgr = dword:1
Now if Joe User types Ctrl+Alt+Del, he'll get a message like the one in Figure 3. So the short answer to the first half of your question—how to disable Ctrl+Alt+Del in Windows XP?—is: enable the policy "Remove Task Manager," either in GPEDIT or by setting the registry entry. I assume you've already disabled Ctrl+Alt+Del for logon by checking "Use the Welcome screen" in Control Panel | User Accounts (see Figure 4), since otherwise you wouldn't be asking about Task Manager. If you aren't using the Welcome screen, then setting DisableTaskMgr disables the Task Manager button from the logon/logoff dialog.
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I haven't tested this myself yet, but this seems perfect.
Tommy |
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vdsalchemist Admin Team

Joined: 23 Oct 2001 Posts: 1448 Location: Florida, USA
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Posted: Mon Feb 10, 2003 3:17 pm Post subject: |
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| Tommy wrote: | The article FreezingFire mentioned is great! For those of you who didn't read the full
article, this is the clue:
| Quote: |
You can forget about GINA because all you have to do to disable Ctrl+Alt+Del is set a policy. Really. Go to the Start menu, select Run, and type "gpedit.msc" to run the Group Policy editor. Look in User Configuration | Administrative Templates | System and you'll find a section called Ctrl+Alt+Del Options (see Figure 2). "Remove Task Manager" is just the ticket to make Ctrl+Alt+Del go bye-bye. From code, you have to set the registry entry:
HKCU\
Software\
Microsoft\
Windows\
CurrentVersion\
Policies\
System\DisableTaskMgr = dword:1
Now if Joe User types Ctrl+Alt+Del, he'll get a message like the one in Figure 3. So the short answer to the first half of your question—how to disable Ctrl+Alt+Del in Windows XP?—is: enable the policy "Remove Task Manager," either in GPEDIT or by setting the registry entry. I assume you've already disabled Ctrl+Alt+Del for logon by checking "Use the Welcome screen" in Control Panel | User Accounts (see Figure 4), since otherwise you wouldn't be asking about Task Manager. If you aren't using the Welcome screen, then setting DisableTaskMgr disables the Task Manager button from the logon/logoff dialog.
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I haven't tested this myself yet, but this seems perfect.
Tommy |
Ok I just tried this under Win2k and it did not work... I guess it is only for XP unless I needed to reboot for the new policy setting to take If you have to reboot I don't think this will work for FF's purpose  _________________ Home of
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PGWARE Web Host

Joined: 29 Dec 2001 Posts: 1566
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Posted: Mon Feb 10, 2003 4:06 pm Post subject: |
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| When making changes to the registry more then likely you will need to reboot for changes to take effect. There is some sort of trick which allows you to reload explorer which will do the same thing as a reboot, I think it was discussed somewhere on the forums long ago, not sure though. |
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