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.

learn more… | top users | synonyms

2
votes
3answers
1k views

Dealing with untrusted administrators in a Windows domain

I'm providing consultation to a company, where they have domain-joined Windows workstations. One basic requirement is that they don't want anyone (including the an administrator) to be able to login ...
2
votes
4answers
447 views

Virus won't be picked up by Antivirus tools

Today we found a virus / trojan on our network which has thus far: Hidden all files and folders Replaced the hidden files and folders with executables of itself, with matching icons, and renamed ...
1
vote
1answer
96 views

Best way to secure file removals in Windows remotely

I have Windows 2008 R2 box on colocation. I want to remove certain files with a high degree guarantee it cannot be recovered from physical HDD access. Could someone please explain what levels of ...
3
votes
1answer
184 views

Is it possible to prevent user from dumping hashes?

I run a Windows server, is it possible to prevent user from enumerating user password hashes? Also can someone explain how the hash dumping tools works? As I didn't find it with google
0
votes
1answer
99 views

How does duqu implement its dll files in PNF file format?

As you know files with PNF extension are associated with bitmap file type, from technically point of view how did authors of duqu implement this? as I concluded it is possible to make dlls in any ...
4
votes
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 ...
1
vote
1answer
178 views

Worst-case scenario for ShellExecute(0,“open”,arbitrary_string)

I found an application that uses ShellExecute to open hyperlinks. However, it doesn't check if the string is actually a hyperlink - it is passed directly to ShellExecute. Aside from opening arbitrary ...
7
votes
3answers
1k views

Can you extract memory contents from a hibernated Windows machine?

In a recent discussion about hardware hacks, attacks surrounding Windows hibernate popped up. I am not entirely convinced that it would be viable to get stuff out of the memory saved to disk. When ...
1
vote
3answers
503 views

Potential consequences of using “Everyone” to manage permissions?

If a web application is set to run using a specific account, could a malicious user do something they shouldn't if I use the "Everyone" account to manage permissions on a folder on the server? The ...
2
votes
1answer
446 views

VMware Workstation 9 Security Best Practice Guides

Could someone please be able point me in the direction of where I could find some best practice security guides for VMware Workstation 9 please? I've searched the VMware site and to say it's badly ...
4
votes
2answers
1k views

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 ...
2
votes
1answer
374 views

SafeSEH and x64

I read here that /SAFESEH is only valid when linking for x86 targets. /SAFESEH is not supported for platforms that already have the exception handlers noted. For example, on x64 and Itanium, ...
1
vote
3answers
47k views

How to detect if files were saved or copied to a USB drive?

How can I find out if files from my computer were written/copied/moved to a USB storage device? I want to know if there is a solution that would work in a system that has not got any ...
3
votes
1answer
80 views

auditing mod security rule sets

Is there a audit system that can help me try my strings? Such as user agents, post/get data, a simple way to test general sql injections to see how my rule sets hold? I know with fire fox I can ...
0
votes
5answers
4k views

How to list missing security updates for Windows servers?

I have a list of applied security patches and updates, exported from Windows server 2003. The exported list is in CSV format, but converting it is not a problem for me. Is there any tool/site/script ...
0
votes
2answers
778 views

Running Apache as system service on Windows 2003 R2 64-bit

Trying to make my point, that running Apache with PHP5 module as Windows service is not secure. All I got to prove it - FTP access to some internal website. So what I did - I uploaded file test.php ...
9
votes
2answers
469 views

How insecure is PowerShell Web Access?

Windows Server 2012 comes with a new feature that allows you to administrate the server via a PowerShell command line in any modern browser including Smartphones. This sounds cool and scary at the ...
0
votes
1answer
267 views

is it OK to grant permission for IUSR_ to cmd.exe?

One of my developers asked me to grant permission to IUSR_ user (the IIS user) to CMD.exe (console) now I'm wondering is it safe to do it? He is complaing, that his libraries had to use console for ...
1
vote
1answer
167 views

Where are located the DPAPI BLOBS and is there any tool to decypher them?

I'm doing some testing with DPAPI for a project where I'm involved. I would like to know where the users Masterkey are located and if there is any free utility to find and decipher them. I'm pretty ...
4
votes
1answer
179 views

Does DPAPI works if a user hasn't a login password?

I was wondering if the DPAPI will still work properly if a user doesn't have a a login password (like most of the home users). I can't find this information on Google or in the official documentation ...
5
votes
2answers
1k views

How would I go about rebuilding the IAT of a packed executable?

When executables are packed with a tool such as UPX, the real code and data sections are encrypted or obfuscated, then loaded into memory using an injected decrypter stub. This makes static analysis ...
2
votes
1answer
117 views

Which .CER file format is more secure for purposes of an AIA record?

What file format is most appropriate or secure for the AIA record in a PKI certificate? The options I'm aware of are: DER encoded binary X.509 (.cer) Base-64 encoded X.509 (.cer) I also have the ...
1
vote
1answer
412 views

Silent (no user interaction) utility to clear cached credentials on Windows [closed]

Is there any way to clear cached credentials on Windows, that doesn't require: user interaction (e.g. a confirmation window); administrator access; or making a persistent change to the ...
2
votes
2answers
247 views

How does duqu delete itself?

I'm curious to know how Duqu deletes itself. From technical point of view and generally, how can an executable delete itself while is running? Does Duqu use a specific procedure to do this?
4
votes
1answer
308 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 ...
4
votes
1answer
370 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 ...
8
votes
2answers
529 views

Can a webcam be turned on when disabled in Windows' device manager?

In addition to whether a webcam can be turned on without the indicator light, I was wondering if disabling the device in Windows' device manager is a good option. Of course when your system is ...
8
votes
1answer
2k views

Detecting reflective DLL injection

In the past few years, malware (and some pen-test tools like Metasploit's meterpreter payload) have begun to use reflective DLL injection (PDF) to load a DLL into the memory of a process. The benefit ...
1
vote
2answers
233 views

Changing IP ID generation of a server

I've seen plenty about Idle Scans and incremental IP IDs on the net, but I have trouble finding a "solution" to the problem. Is there a way to "set" IP IDs for example to all zeros or is it coded into ...
0
votes
1answer
192 views

Good reading about windows architecture/reversing [closed]

I have a feeling that I need to get more knowledge about system programming and winapi/windows architecture in particular to be able to understand how lots of exploits work (like those exploiting ...
0
votes
1answer
82 views

What expertise is required to create an Windows intrusion report?

I need an expert on a subject I know very little. I had a breach on one of my Windows systems. I know how someone got in but for legal purposes I need to prove that some former employee, whom I ...
7
votes
1answer
134 views

Why would it be preferable for a system to shut down when the security log is full?

When running in a configuration that supports Common Criteria, Windows must be configured to shut down when the security event log is full. Why is this a preferable option?
3
votes
2answers
2k views

Using Window Servers 2003 after security updates are discontinued

Let's say that Microsoft has stopped supporting Windows Server 2003 now so there is no any security updates and I use that system for Domain Controller (Windows XP/7 Professional Clients) and File ...
1
vote
1answer
285 views

What is the purpose of the entropy parameter for DPAPI.Protect?

So in Windows, when you make a call to the Data Protection API, you can specify some bytes as "entropy". To me, this sounds like salt. In PBKDF2, the salt is can, and in fact needs to be stored as ...
3
votes
1answer
227 views

DPAPI offline attack by cracking windows password?

I'm thinking of using DPAPI to protect configuration file information in my program. After doing some reading on it, it looks like it uses the user's Windows password as part of the encryption ...
5
votes
2answers
156 views

Windows Vista user logon integrity

Is it possible to delete some or all user session logon datetime records from Windows Vista? Is there any mechanism to give me confidence that individual records aren't deleted even if there isn't a ...
19
votes
4answers
5k views

How secure is Windows 8's Picture Password login?

The final Windows 8 build has been released to manufacturing. One of the new features of Windows 8 is "Picture Password", where the end user logs on to Windows by clicking a specific pattern on the ...
4
votes
1answer
360 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 ...
1
vote
1answer
106 views

tools automating logins/hashes grabbing

Lets assume I have access to the windows machine. I want to grab raw info about logins/hashes from both system and installed apps, dump and analyze it later. I could manually dump things like SAM ...
5
votes
1answer
1k views

How does a client authenticate the domain controller

On an active directory based network how do hosts authenticate the Domain Controller? Is it possible for an attacker to impersonate the Domain Controller? PS: I'm having a problem getting info on how ...
1
vote
1answer
1k views

How to view which mac addresses are connected to some AP?

I set up an open AP. I know I can view mac addresses of connected users via AP's console (local console). this is not what I need. I use tool like Netstumbler or inSSIDer on my Win 7 machine to see ...
3
votes
2answers
650 views

How to counter or fix banner grabbing vulnerability

During an audit i came across banner grabbing findings,and would like to know how to mitigate that on IIS and apache server.
3
votes
2answers
547 views

Hide web.xml file from public view

I have found a vulnerability in a sun java application where the web.xml file is publicly viewable as the application is not using any .htaccess nor web.config. I don't how to restrict. I tried with ...
5
votes
1answer
632 views

IPSec Domain Isolation with Windows Server

I'm looking for a good way to secure my servers, I have a set of dedicated servers that are not in my office but hosted by an external provider. ALL the servers have only one public (WAN) IP. I don't ...
7
votes
3answers
3k views

How to manage admin rights for helpdesk staff?

My question is about issuing administrative rights to helpdesk staff in a large Active Directory setting. Helpdesk staff commonly require administrative rights to provide support for end users. I ...
2
votes
2answers
7k views

How does Remote Access Trojan / Backdoor Software work?

How does the RAT works? I understand it as once we surf the infected website, browser might download the trojan to our PC automatically. Will it executed and auto install in our computer? I can't ...
4
votes
1answer
751 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 ...
5
votes
1answer
4k views

Is windows 7 vulnerable to null session?

My lecturer told me that Windows 7 is not vulnerable to null session but did not explain why. What is the preventive measure that windows 7 did to protect against from it? The recommend fixes for ...
3
votes
3answers
2k views

Securing a Windows Guest Account

I know that a person with physical access to a computer can do almost anything to it. My main concern with my Windows 7 guest account is privacy and sandboxing. I don't want a guest user to have ...
5
votes
2answers
5k views

Can Keyloggers get passwords from Windows 7/8 Logon Screen?

If yes, do you know some examples of Keyloggers capable of perform this? EDIT: I mean when logon in the windows right after power on the PC and/or when locked with Win+L.