Related to security concerns specific to the Microsoft Windows operating system itself. For security of applications that happen to be running on Windows, please use [appsec]. For the X Window System, please use [x11].

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2
votes
3answers
574 views

Boot or reboot to clean state on Windows each time?

I use virtual box to securely surf the web, but it's easy to get lazy and use the same image more than once. Currently, I have a golden Win 7 image that I built and loaded my required software. I ...
1
vote
3answers
26k views

Multiple running instances of rundll32.exe

I've noticed that in the Task Manager of Windows 7, I have multiple running instances (2) of rundll32.exe. Does this necessarily means that my machine is infected by a malware as noted here: ...
2
votes
3answers
148 views

Is possible to know if increased marketshare means more viruses?

I'm having an argument with other developers about why more "viruses" exist (including all forms of external attacks, exploits, etc) in Android vs iOS. Like with Windows vs *nix, the main idea is that ...
2
votes
2answers
1k views

Command injection Windows platform

Let's say there's a site which is vulnerable to user's input. For example users can ping a specified IP. Since the site is vulnerable to Os command injection, a user as well as an IP address ...
5
votes
6answers
936 views

How can a novice find proof of a system compromise?

I am almost certain a colleague has installed a keylogger on my system. I am totally new to IT security, but have substantial linux / windows / programming experience. The system I believe is ...
2
votes
2answers
631 views

How to define different firewall rules for different users on the same machine running on Windows 7?

Provided that one machine running on Windows 7, connected to LAN, and connected to the Internet via a gateway in the LAN. There are two logon user accounts A and B on the machine. I want: 1, User A ...
3
votes
3answers
5k views

Making a Windows cert say it's purpose is “Ensures the identity of a remote computer”

Maybe this is a superuser.com question, I don't know. Anyway, I want my cert to show up like this when I double click on it in Windows: If I just double click on a random cert I get this: The ...
14
votes
4answers
31k 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 ...
2
votes
3answers
872 views

Strange file named Aview.exe - WinClient

Today I've just discovered some strange files on my Win 7 PC. I was browsing through the Windows Firewall Inbound Rules and saw two ACCEPT rules for a program, Aview.exe. It is located in ...
2
votes
3answers
2k views

Identify a process that uploads data

I am using the tool "Internet Traffic Agent" to monitor my in- and outbound traffic. It shows me clearly that over a period of approx. an hour, some process on my machine is uploading data, about ...
2
votes
1answer
2k views

Fuzzing tool to find heap overflows in a Windows binary [closed]

Is there a fuzzing tool that can scan some arbitrary windows binary and identify a set of heap overflow vulnerabilities? For example, a tool that applies a set of heuristics or maybe a list of ...
1
vote
1answer
126 views

How to know what's the type of an attack and from whom is sent?

I'm currently running a game server on a dedicated Windows 7 machine and it is being attacked. How do I know what kind of attack it is and from whom is sent? When he attacks, the RDP freezes and the ...
2
votes
1answer
496 views

How should I audit and monitor shared TCP ports in Windows?

Windows has a feature called .NET TCP Port Sharing which allows different .NET applications to share the same TCP/IP port. I would like to monitor the source and destination connections of each ...
3
votes
1answer
394 views

Potential services.exe infected file?

I was asked by a coworker to help solve a problem with a remote client site through VNC. Immediately after connecting I've started noticing some strange behaviors that I am lead more and more to ...
1
vote
1answer
739 views

Windows 7 EFS - connot decrypt

I have some files on my laptop that were accidentally encrypted, I think by Visual Studio. I didn't even know that was possible. Anyway, the way I discovered they were encrypted was that I changed ...
-1
votes
3answers
676 views

How to increase Windows PowerShell WebAccess security?

What are some recommended techniques to improve the security of powershell? Google returns many articles about powershell security like these: PowerShell’s Security Guiding Principles TechNet Edge ...
0
votes
1answer
228 views

Windows Firewall accepts a three-second unicast response from any source

I have read this article but still has some doubts may be after that... The Windows Firewall feature in Microsoft Windows XP Service Pack 2 (SP 2) accepts a three-second unicast response from ...
0
votes
2answers
246 views

Setting up a remote test environment correctly

My setup: - Main Box (connected to network) - VM1 : Linux - VM2 : Windows 7 Both the VMs are running off VM Player and using Bridged: connected directly to the physical network and replicating ...
4
votes
1answer
417 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 ...
1
vote
2answers
171 views

Auditing EXEs to ensure buffer overflow protections are in place? (such as SEHOP, ASLR, and DEP)

According to this answer, it's possible to compile a GCC-based application without certain buffer overflow techniques. Perhaps this is even possible with Visual Studio. How can I audit a given EXE ...
-3
votes
1answer
11k views

windows firewall disabled with Norton Internet security or Norton Smart Firewall? [closed]

My Company decide to Change antiviruses and anti-spywares and firewalls. How to apply changes in all clients and servers safety? Norton say: ( in this article): When you are using Windows ...
-1
votes
4answers
5k views

why Windows Firewall in XP cannot block outbound connections [closed]

wikipedia say: XP's Windows Firewall cannot block outbound connections; it is only capable of blocking inbound ones. another article says: XP defends you with your traffic coming from the web but ...
4
votes
2answers
17k 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 ...
3
votes
1answer
689 views

How do I configure Terminal Server (and clients) for use over untrusted Wifi networks?

Suppose a client wants to directly connect to Terminal Server exposed to the Internet, without a VPN, ... what software & settings is needed to properly protect against WiFi based attacks? ...
12
votes
4answers
562 views

How to safely synchronize time over Internet?

All modern OS now keep accurate time by regularly synchronizing time over an untrusted network - Internet. Could an attacker conducting a MITM attack, influence or change the time of a computer while ...
8
votes
1answer
769 views

Better way to import Win32 APIs from injected shellcode

I'm injecting native x86 code into a .NET application, via a TLS callback in the binary image. Unfortunately, .NET executables only import mscorlib.dll within the PE, and have kernel32.dll mapped ...
7
votes
3answers
37k 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 ...
0
votes
1answer
667 views

Deny domain admins from steal User files on PCs [duplicate]

Possible Duplicate: Dealing with untrusted administrators in a Windows domain I'm trying to block Domain Admins from accessing classified files on PCs that joined the domain. But it looks ...
2
votes
3answers
4k 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
944 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
117 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
294 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
140 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 ...
5
votes
1answer
5k 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
294 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 ...
13
votes
3answers
4k 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 ...
2
votes
3answers
3k 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
760 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
2k 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 ...
3
votes
1answer
1k 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, ...
4
votes
3answers
129k 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
90 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
10k 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 ...
1
vote
2answers
1k 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 ...
10
votes
2answers
898 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
628 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
375 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 ...
5
votes
1answer
409 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 ...
6
votes
2answers
3k 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
139 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 ...