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Thread: The locked down my OS

  1. Dec 11th, 2000, 02:15 PM #1
    da404LewZer
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    Any way i can force windows 2000 pro. into locked mode?? and i dont mean sleep, standby, or hibernate.

    thanx!
    Kid A

    18 Year Old Programmer
    Visual Basic 6 & .NET Enterprise, ASP, WinXP (Advanced Server) Administration, HTML, Graphic Arts, Winsock, Learning VC++ and now maybe C#.. heh
    [vbcode]
    'back in the day vb6 code
    Private Sub My_Life()
    If Hour(Now) > 3 And Hour(Now) < 13 Then
    Status = "Sleeping"
    Else
    Status = "Computing"
    End If
    End Sub
    [/vbcode]
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  2. Dec 12th, 2000, 02:33 PM #2
    da404LewZer
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    Well i would do that but the fact of the matter is....
    You cant make a program do things like that when it's locked because you could very easily make a proggie that unlocks it.

    There has to be a api layin' around sumwhere....
    Kid A

    18 Year Old Programmer
    Visual Basic 6 & .NET Enterprise, ASP, WinXP (Advanced Server) Administration, HTML, Graphic Arts, Winsock, Learning VC++ and now maybe C#.. heh
    [vbcode]
    'back in the day vb6 code
    Private Sub My_Life()
    If Hour(Now) > 3 And Hour(Now) < 13 Then
    Status = "Sleeping"
    Else
    Status = "Computing"
    End If
    End Sub
    [/vbcode]
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  3. Aug 11th, 2001, 10:17 PM #3
    Darknite2041
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    'Add this to your project
    '*******************************************

    Private Declare Sub LockWorkStation Lib "user32.dll" ()

    'Example usage:

    Private Sub Command1_Click()
    LockWorkStation
    End Sub
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  4. Jan 22nd, 2002, 08:19 AM #4
    hgroot
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    Visual Programmer, sending CTRL-ALT-DEL is impossible. I am writing a macrorecorder and this is the only keystroke that can't be performed. I think it's a security issue. Maybe the keystroke is still queued, but ignored.
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  6. Jan 22nd, 2002, 08:37 AM #5
    plenderj
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    Originally posted by hgroot
    Visual Programmer, sending CTRL-ALT-DEL is impossible. I am writing a macrorecorder and this is the only keystroke that can't be performed. I think it's a security issue. Maybe the keystroke is still queued, but ignored.
    Yeah you can't use a global hook to catch CTRL-ALT-DEL
    Its to make sure people don't hack the box or whatever
    Microsoft MVP : Visual Developer - Visual Basic [2004-2005]
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  7. Jan 22nd, 2002, 08:51 AM #6
    hgroot
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    There's probably still a way to do it. For example, in a Citrix client you can remotely send CTRL-ALT-DEL.
    Though not by using a 'simple' sendkey.
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  8. Jan 22nd, 2002, 08:53 AM #7
    plenderj
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    Hmmm.
    Well yeah I'd say you can possibly send CTRL-ALT-DEL, because I know Microsoft NetMeeting can do it when you're controlling remote desktops. We use that for administering and fixing remote servers.

    You just can't catch it is all... or so I read
    Microsoft MVP : Visual Developer - Visual Basic [2004-2005]
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  9. Jan 22nd, 2002, 09:02 AM #8
    AndySoft
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    Lightbulb But if NetMeeting can send it...

    Then NetMeeting can capture it...
    -AndySoft
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  11. Jan 22nd, 2002, 09:05 AM #9
    plenderj
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    I do this from a Windows9x machine. Win9x doesn't have that security "feature"
    Microsoft MVP : Visual Developer - Visual Basic [2004-2005]
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  12. Jan 22nd, 2002, 11:14 AM #10
    JoshT
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    I was thinking about CTRL-ALT-DEL. It is a security feature built into NT - there's an article on that at MS. What if you replace the keyboard driver or something at a lower level with your own custom version?
    Josh
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  13. Jan 22nd, 2002, 01:16 PM #11
    plenderj
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    Hmmm... though you'd have to not pass the keystrokes up to a higher level if it was ctrl-alt-del...
    Microsoft MVP : Visual Developer - Visual Basic [2004-2005]
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