Tag Archives: Windows

EMET: configure memory protection on Windows

Microsoft published a nice tool named EMET (Enhanced Mitigation Experience Toolkit) whose purpose is to check and enforce the memory security policies such as ALSR and DEP. It shows and allows to configure the global settings, but also, and this is the most interesting part, indicated for each process running if it supports those security [...]

ARPFreeze

ARPFreeze is a nice GUI for Windows that allows to configure static ARP entries very easily, and makes these changes persistent after reboot. Thus does it protect the client machine against ARP flooding. It works for both Windows Vista and prior versions (support of arp -s and netsh).

Windows 7 UAC security design flaw

Video of a dummy vulnerability on Windows 7 . More info there. It is incredible that Microsoft invests so much money in its security and that there are still such a bad security design for programs that in no way should be granted any administrator access (calc.exe or notepad.exe). Also, I can’t imagine that no [...]

Linux vs Windows benchmark

I found this benchmark, comparing the performance of Ubuntu, Windows Vista and 7 worth reading. Our Linux kernel does a great job !

DecaffenatID : a little ARP IDS for Windows

DecaffeinatID is a tool for Windows that can be very useful against ARP attacks.

Windows Vista memory protection : defeated ?

It seems, at least according to some researchers showed it at the Black Hat conference. Mark Dowd (IBM) and Alexander Sotirov (VMWare) found a way to bypass  the memory protection implemented in Vista to inject malicious instructions within Internet Explorer. They were able to copy any content wherever they wished on the disk. Especially, this [...]

Restoring a MSSQL 2000/2005 database while in production

At my work, I had to overwrite a MSSQL database while in production. The goal was to replace the existing database by one with a new structure.

I tried first the easy way, right clicking on it and trying to take it off line using the menu of Microsoft.

Unfortunately, that didn’t do anything, complaining that several users were accessing it. Of course, trying to restore it directly gave the same message.

I couldn’t find a way to successfully force it through the interface.

Solutions Linux 2007 : Tux vs Vista Car

I couldn’t have much free time this year, but I quickly stopped by the Solution Linux show of Paris, La Defense. It was the first time for me.