A family of graphical operating systems produced by Microsoft. Windows includes both server and destop operating systems. Early versions relied on MS-DOS while current versions have evolved from Windows NT. Please do not use this tag for X, but use [x-windows] instead.

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What is the background of the Reference Counter Overflow in Microsoft TCP/IP (MS11-083)?

How unique is this bug? Is there a more sophisticated and well-studied attempt behind? Is it accidence? The article below says "continouos stream to UDP". What stream? Just an hour stream of zeros? ...
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What is the easiest way for a newbie to RSA to create & use a key pair on Windows?

So I need to get a block of text sent to me over email from a friend, but before he sends it he wants a public RSA key from me. Am wondering what is the simplest way for me as a newbie to generate ...
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359 views

Application to monitor software activities

I am doing black box testing on a software which is installed in my local machine. I want to analyze and see the list of files and registry entries that software create/modify/delete. Basically ...
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3answers
340 views

Security of login-data saved in browsers

Most browsers provide an option to save login-data for later use. Suppose a Windows workstation is located in a well-protected corporate LAN and only a well-defined set of application can be launched ...
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I am always Hibernating my System, is there any risk for my Encrypted drive with BitLocker?

I am Always Hibernating my Laptop, for faster booting, I encrypted sensitive drive by BitLocker, what if my Laptop stolen and attacker knew that it was in hybernate mode, can he decrypt my hard?
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513 views

Virus with PGP Encryption Preventing Virus Scan

A user reported having a virus that was causing pop up windows asking for money. When he turned on his laptop and logged into PGP encryption (whole disk) the desktop quickly showed but then a white ...
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546 views

Further potential problems with Windows 8 SmartScreen

Some research was recently published that showed that Windows 8's SmartScreen feature sends certain details about every single application that you install to Microsoft. Ignoring the obvious privacy ...
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309 views

Are non-personal AD users a security risk?

After an IT audit of my company, the report said that our Active Directory contained too many non-personal user accounts. This caused a risk of misuse and unauthorized user access. I checked my ...
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1answer
1k views

Server monitoring for security

We do a lot of web hosting management and have started to get into selling server management packages. However, we want to start monitoring servers for security related threats. Our clients may use ...
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89 views

Code-signing application from different locations

In our company, one of the software group is using a certificate from a trusted provider to sign their drivers manually on their local machine. My group wants to start to sign our installers and some ...
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2answers
681 views

ASLR and how a program can actually call its functions

I'm studying protection techniques and I've got a doubt about how ASLR works for a program in a Windows environment. As far as I know ASLR works by randomizing part of the imagebase address when ...
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1answer
908 views

Why does Windows 7 require a password hint during setup?

Correct me if I am wrong, but I think Windows 7 is the only operating system out there that requires a hint for the first user created on the system (have not had a chance to check out Windows 8 ...
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2answers
160 views

DPAPI and malware

I'm considering using the Windows DPAPI to protect an ECDH key I use to encrypt some data in a local database in a Windows desktop application. I'm new to DPAPI, but its my understanding that DPAPI ...
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How to make / dump contents of memory for forensics analysis?

I work as a Information Security analyst and was recently tasked to look into Incident response + computer forensics related topics. For starters, I am experimenting on my PC which is running Windows ...
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510 views

Added value of Windows Server 2008 over 2003 in terms of security

What is the added value of a Windows 2008 Server over Windows 2003 in terms of security? Does Windows Server 2008 has enhanced/new security features compared to 2003?
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3answers
331 views

Can a web server be secured with just a firewall?

I'm about to go online with my first web site, it is a small project hosted on a regular home PC running Windows 7. I want to keep the software footprint at minimum, so it only contains the operating ...
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2answers
599 views

Windows Authentication and Session Ids

After a penetration test made upon an intranet application I'm developing, in ASP.NET MVC, one of the concerns raised was that the application supports concurrent user sessions and it is recommended ...
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2answers
606 views

Are there any Windows permissions management applications?

I am currently dealing with permission issues with an IIS app pool. I am tired of clicking through window after window to set permissions on folders for domain and local users. Also, I would like ...
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1answer
408 views

How did my homepage get changed in IE?

I have rarely used IE in the past. I just use it to test how a website looks. Today all of a sudden when I went on to open IE, it opened with a homepage that wasn't set by me. It was an address of a ...
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2answers
187 views

Is using a “Red” and a “Green” browser to balance LOB requirements and security a good approach?

I currently work in a manufacturing company with round about 5000 computers and 6000 employees. We use a lot of web based line of business applications (all internal, non over the Internet) in order ...
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4k views

Detecting or preventing process memory injections on Windows (anti-hack)

Standard hacking case. Hack injects into a started game process and writes over process memory using WriteProcessMemory call. The situation is like this: we are hosting a game server clients join ...
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6answers
602 views

Is a self signed certificate sufficient to prove the integrity of my executable?

I have an EXE file on Windows that I have to distribute around. It's based on tclkit so an adversary could unpack it, change some tcl script inside and repack the exe. I would like to know if this ...
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3answers
303 views

Strategy against browser exploits on Windows?

On a friend's computer is some kind of spam bot installed. It sends messages like Hello: I received my apple iPad 32GB ordered on an online shop (www.elevalley.com ) today. So exciting ...
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196 views

Does Windows have a built-in password store?

What passwords are stored in Microsoft Windows? How can I know what password are saved in computer?
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2answers
193 views

How widely deployed is TLS with cipher ECDHE?

Microsoft deployed a patch for Windows 2012 R2 and Windows 8.1 that adds the following ciphers. Cipher suite Exchange Encryption Hash TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 DH ...
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2answers
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How does syskey in Windows increase the security in a domain?

I use syskey in windows XP and Windows 7. I've read Microsoft's article but I have questions. How does this solution increase security? What are differences between using Syskey in a client that ...
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1answer
402 views

Is Window's system restoration useful for getting rid of malware?

If your computer has been infected with some kind of malware, could a restoration of the system, using the tool provided by windows, help you getting rid of that malware? We should suppose that it ...
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1answer
2k views

Disable DES-CBC-SHA in schannel

I have several IIS servers in house This includes IIS 6 and 7.x. When I have my external PCI scans run I'm still receiving alerts for having the weak protocol DES-CBC-SHA enabled. I have the ...
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6k views

How do you properly setup Tor on Windows 7?

How do you properly setup Tor on a Windows 7 box to guarantee that ALL connections will run through Tor?
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5k views

Utilman.exe command prompt hack prevention?

This trick to hack windows and reset passwords(or create new logins)has been around for ages and still works on windows 7 and windows 8. Is there any way to disable the key combination that brings up ...
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1answer
1k views

Can a certificate have multiple chains and multiple self-signed roots?

The following MSFT document has this paragraph: All possible certificate chains are built using locally cached certificates. If none of the certificate chains ends in a self-signed ...
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1answer
519 views

CDNs used by Windows Update

My question is about CDNs (Content Delivery Networks) and their simultaneous use for legal and questionnable stuff. One specific example is the following. I'm noticing taffic from our network to the ...
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2answers
3k views

Recover EFS encrypted folder after wiping system partition

We've recently ran into trouble while reinstalling one of client's desktop computer. Disk was split into two master partitions named C: and D:. We wiped out C: and reinstalled system (Win XP SP2 ...
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1answer
4k views

Windows task manager can see all processes as non administrator without permission

On Windows Server 2008 R2 operating as a standard user, when I open Task Manager I can see all the processes from different users on the system. I have the option to click "Show all processes" which ...
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1answer
470 views

Does sandboxie “grab” all the system calls?

Sandboxie: http://www.sandboxie.com Does sandboxie "grab" all the system calls, e.g.: filesystem calls? Or it "grabs" all the low level calls from a process?
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572 views

how unsafe is it for Windows webserver IIS to have domain privileges

Normally in the past, I've managed that the production server only serves http(s) to the internet, and is isolated from it's database by a firewall which only allows database queries to travel. ...
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1answer
196 views

Remove a privilege from a Windows admin account : good or useless idea?

In order to protect a Windows administrator account from attacks such a Pass-the-Hash and other Token Passing tehcniques (e.g. via Incognito tool), can you tell me if it is a good idea to remove the ...
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1answer
110 views

Is access to the caller API in mobile phones a real security threat?

From time-to-time I receive "Unknown" caller on my mobile phone. I do not want to answer those calls as I do not trust the identity of a caller. I feel safer if I can see caller name or at least ...
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1answer
301 views

A simple example for showing the use of Data Execution Prevention (DEP) security feature

I am finding it really hard to figure out why we need a DEP! Microsoft states this about DEP: The primary benefit of DEP is to help prevent code execution from data pages. Typically, code ...
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4answers
386 views

How to securely delete a table in MS-Access?

I have a Windows 7 computer which currently has a large working Microsoft Access 2007 database on it containing some tables with confidential data. I would like to securely delete/remove the tables ...
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2answers
206 views

With full access to the disk of an IIS web server, could you access the database server?

Here is a theoretical setup: You have a web server running Windows Server with IIS You have a website running here which connects to a database This website can start automatically when the server ...
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168 views

can I find on which machine was a zipped archive created?

I have the following security issue. A zipped archive of emails was found on a machine (A) by using an undelete program. The claim made by the subject of the investigation is that they made the ...
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1answer
2k views

AIA/CRL locations for Offline Root

I've read the answer to the following "Checklist on building an Offline Root & Intermediate Certificate Authority (CA)" and I have one questions based on the system I am trying building It's an ...
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1answer
323 views

Need help on understanding obfuscated code in CVE-2012-4969 exploit

As you may know this vulnerability was found a while ago in the wild and the exploit is available too, btw I'm having problem on understanding the obfuscated code. Is it necessary to use obfuscation ...
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2answers
442 views

When do Ps Tools send cleartext passwords, and how can I demonstrate this?

The Ps Tools from Mark Russinovich are very handy remote administration utilities. However, they all come with one big caveat. Note that the password is transmitted in clear text to the remote ...
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1answer
1k views

Should I only disable, but never delete an account from ActiveDirectory?

In the early days of NT4, I would never delete an account from the domain because I would lose the correlation between the SID and username in event logs and all related audit trails. Is this a ...
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4answers
11k views

how to import a private key in windows

Say I have an X.509 cert and a private key that corresponds to it. I can import X.509 certs easily enough into Windows but what about private keys? Is the only way I can do that by converting both ...
4
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1answer
179 views

Managing a large amount of MBSA Results?

I am responsible for scanning and fixing issues on ~50 servers with Microsoft Baseline Security Analyzer (MBSA) version 2.2. Unfortunately, there is no out of the box way to manage multiple MBSA ...
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2answers
5k views

Discover what workstations a user us connected to in a Windows AD Environment?

I currently have a naughty user in my environment. We don't want to set any alarms of (even from speaking to the AD admins), and wish to discover the workstation the user is connected to in our AD ...
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18k views

Windows Firewall - how to block inbound for all .exe files in a folder

In Windows Firewall with Advanced Settings I can create a rule which blocks all inbound or outbound traffic for particular program by pointing to its .exe file. The problem is that this program has ...