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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Windows Server 2003’ Category

17 years ago, C:\nul\nul crashed/BSOD Windows; now $MFT does for Windows < 10

Posted by jpluimers on 2017/05/26

Source:

History repeating itself: [Archive.is31607 – C:\nul\nul crashes/BSOD then, now it’s this:

Via:

All versions prior to Windows 10 and Windows Server 2016 seem vulnerable.

So add $MFT to this list:

The following device names have been known to render a system unstable: CON,
NUL, AUX, PRN, CLOCK$, COMx, LPT1, and CONFIG$.

Oh BTW: history repeated itself this year too. With NUL

In short, Steven Sheldon created a rust package named nul which broke the complete package manager on Windows:

BTW: one of my gripes on learning new languages is that they come with a whole new idiom of their ecosystem: rust, cargo, crates, all sound like being a truck mechanic to me.

–jeroen

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Posted in Microsoft Surface on Windows 7, NTFS, Power User, Security, Windows, Windows 10, Windows 7, Windows 8, Windows 8.1, Windows 9, Windows 95, Windows 98, Windows Defender, Windows ME, Windows NT, Windows Server 2000, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Vista, Windows XP | Leave a Comment »

WannaCry — Decrypting files with WanaKiwi + Demos – Comae Technologies

Posted by jpluimers on 2017/05/19

[Archive.is] Working Windows XP & 7 demos. #FRENCHMAFIA: WannaCry — Decrypting files with WanaKiwi + Demos – Comae Technologies:

TL;DR;

DO NOT REBOOT your infected machines and TRY wanakiwi ASAP*!

*ASAP because prime numbers may be over written in memory after a while.

Via:[WayBack] A French researcher says he’s found a tool that could help some fraction of victims running that older Windows version. Just don’t reboot!  WannaCry Ransomware Victims Might Have Some Hope–If They’re on Windows XP | WIRED

–jeroen

Posted in Power User, Windows, Windows 7, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP | Leave a Comment »

Two Quick Methods for Finding Shared Folders in Windows

Posted by jpluimers on 2017/05/01

In addition to the two methods mentioned at Two Quick Methods for Finding Shared Folders in Windows (use net share or compmgmt.msc) I like this one:

fsmgmt.msc

It directly gets you to the “Shared Folders” inside compmgmt.msc

–jeroen

Posted in Power User, Windows, Windows 7, Windows 8, Windows 8.1, Windows Server 2000, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Vista, Windows XP | Leave a Comment »

permissions – recursively change owner windows 7 – Super User

Posted by jpluimers on 2016/10/27

Slightly updated the answer the /D Y part will recursively accept taking ownership when directory listing is denied in the permissions:

To fix really broken permissions, the best is to run these two commands one after the other:

takeown /F /D Y "C:\path\to\folder" /R
icacls "C:\path\to\folder" /reset /T

The first one will give you ownership of all the files, however that might not be enough, for example if all the files have the read/write/exec permissions set to “deny”. You own the files but still cannot do anything with them.

In that case, run the second command, which will fix the broken permissions.

via: permissions – recursively change owner windows 7 – Super User

–jeroen

Posted in Batch-Files, Development, Power User, Scripting, Software Development, Windows, Windows 10, Windows 7, Windows 8, Windows 8.1, Windows 9, Windows Development, Windows Server 2000, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Vista, Windows XP | Leave a Comment »

Batch files to show the User/System environment variables stored in registry – via: Stack Overflow

Posted by jpluimers on 2016/09/20

I wrote two tiny batch files that would dump the environment variables from the registry.

Various reasons:

  1. Environment variables can be stored in two contexts: System and User (SET will show them all at once and for instance combine PATH up to 1920 characters).
  2. Environment variables can be set to auto-expand or not, which you cannot see from a SET command (REG_EXPAND_SZ versus REG_SZ).

show-user-environment-variables.bat:

reg query "HKCU\Environment"

show-system-environment-variables.bat:

reg query "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment"

Filtered results:

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Posted in Batch-Files, Development, Power User, Scripting, Software Development, Windows, Windows 7, Windows 8, Windows 8.1, Windows 9, Windows NT, Windows Server 2000, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Vista, Windows XP | Leave a Comment »

 
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