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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1answer
312 views

Spoofed DDoS mitigation / DNS amplification mitigation [duplicate]

Recently my server has been attacked multiple times, after looking at my firewall I've come to the conclusion that the IP's are spoofed. (10,000+ IP's connect at once) I'm running Win server 2012 x64 ...
3
votes
2answers
211 views

Security Scanning for Desktop Applications

Our company develops Windows desktop applications. We offer off the shelf solutions - not custom development. A potential new customer wants to add a section to our standard contract that requires ...
5
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1answer
499 views

How do I make or get computer certificates to use with IPSEC user authentication on Windows?

I am having trouble and need some direction using computer certificates with Windows 7 firewall IP Security rules, using certificates only for user authentication. I can get everything to work ...
1
vote
1answer
255 views

Using a Web Server to steal NTLM credentials

I am trying to design an attack vector against an organization in which the pen tester (myself), steals NTLM credentials through HTTP. I am thinking of these scenarios: 1- I set up a web server on my ...
3
votes
4answers
473 views

Is it possible to catch a virus on my LAN without clicking on anything?

My unpatched PC running Windows is connected to a network which contains other "infected" computers, can I get infected by viruses without any interaction on my part?
4
votes
2answers
179 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 ...
2
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1answer
106 views

Offline registry analysis - Hardware info?

Is it possible to get information about the hardware from an offline version of HKLM/SOFTWARE hive? There is OEMInformation in there, which gives things like machine manufacturer, but does the machine ...
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1answer
111 views

Why should I use the VPN? [closed]

Does a Virtual Private Network (VPN) provide an encrypted connection from outside networks or from ISPs to the internal network?
3
votes
2answers
346 views

How can I identify / discover files hidden with ADS?

ADS, or alternate data streams, were added in to Windows in 1993 (First Windows NT version) as a feature of the new NTFS file system to help support some features of the Mac OS at the time. I like to ...
5
votes
2answers
959 views

Microsoft Office 2013 File Encryption

To what extent can the native file encryption provided by Microsoft Office 2013 (Word, Powerpoint, Excel, etc.) be relied upon to maintain the confidentiality of documents, especially within the ...
0
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3answers
604 views

How to hide local network traffic on my computer?

I want to hide any traffic an application makes on the local network, make it look like the network is completely quiet to the system and other monitoring software. Is this doable? How would I ...
5
votes
3answers
1k views

Man-in-the-middle Blue coat proxy ssl or what?

I have just discovered that my workplace have enabled some new feature in the blue coat network proxy. It seems like all https certificates in chrome on windows is being issued by this internal ...
5
votes
3answers
2k views

Need a software that can monitor and log network traffic of installed applications [closed]

I need to monitor and log network activities of a specific software installed on my system. I know there are lots of network monitoring software out there, even system explorer has one built in. I ...
5
votes
1answer
1k views

How to whitelist an Amazon ELB in a(ny) firewall?

We have a customer with a very locked-down network. Any outbound connections require whitelisting of the port and IP address. However, we are running our system behind an Amazon Elastic Load Balancer ...
1
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1answer
1k views

How Do I find Out the Username And Password Of Wifi Windows 7?

Basically i have a computer that is dual booted with Windows 7 and Ubuntu. On the windows 7 side I do not have admin control. However on the Ubuntu side I have full control. So I want to know how can ...
6
votes
3answers
378 views

NTLMv2 resistance to bruteforcing

I have a question regarding NTLMv2 resistance to password bruteforcing. I know that some modern graphic processors (like Radeon 6990) are able to calculate billions hashes per second and crack NTLM ...
10
votes
1answer
575 views

How does LSA authentication on Windows work?

I'm trying to understand the security protocols on Windows from a high level as part of legal research into cybercrime, and I'm having difficulty figuring out where to focus my research. I've already ...
1
vote
3answers
557 views

Task Manager and Keyloggers

I know that some of the best keyloggers can't be viewed from the Task Manager. Where can one see if such keyloggers are running on the system? Will they be in the Windows Services or are they hidden ...
2
votes
1answer
134 views

404s with /like and /undefined

We recently got hacked and after cleaning the virus from our machine we pushed out site to go through cloudflare. Although I've noticed scanning attempts on the site have dropped we do for some reason ...
3
votes
1answer
5k views

Setting up Windows laptops to require a smartcard for unlocking

I am looking for details on how to secure a windows laptop using smart cards. The scenario is that we have laptops in vehicles, which remotely connect (via https) to an application server over the ...
6
votes
6answers
1k views

Using linux to combat windows flash drive malware?

I just put an old flash drive which i used with a windows machine into my linux. I noticed many files, mostly exes which were never visible in windows (my windows does not hide hidden files and ...
0
votes
2answers
277 views

Recover password or password hash from locked acount.

I have a locked administrator account. Other accounts is unlocked, but it has no rights. I want to get a password from the locked account, or maybe password hash, if possible.
6
votes
1answer
529 views

When taking ownership of a TPM in Windows 7, how is the SRK derived from the password?

When you take ownership of a TPM in Windows 7 you encounter a screen like this: Based on this document, it is my understanding that completing this dialog box somehow results in the generation of ...
0
votes
1answer
454 views

csrss.exe process

I've experienced some odd behavior lately (cookies being cleared in Firefox, forcing me to log in again). Antivirus scans (MS Security Essentials, MalwareBytes) aren't showing anything, but Process ...
1
vote
2answers
1k views

Where do I securely store application-specific symmetric key?

I am writing an application App1. This application uses SQLite database and I plan to encrypt it using AES256. For symmetric encryption I need a key, which I need to store somewhere. From a similar ...
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votes
1answer
485 views

Can File Sharing being Controlled by Mac Address? [closed]

I am currently setting up secure environment between 2 pc in isolated network. Just wondering can we do file sharing based on that pc mac address instead of username? The environment is OEM Windows ...
1
vote
3answers
318 views

Is the aggregate severity rating of “Important” for MS13-027 too low?

The Security Bulletin states that the "Maximum Security Impact" is "Elevation of Privilege"; however, the SRD blog post says code execution is possible. Additionally, SRD says "Other software that ...
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votes
1answer
122 views

Windows “Send to compressed file” creates an image? [closed]

One of my friends windows laptops (which I don't have access to right now) has in the recent past had a virus (where .doc files were converted to .exe files) which we dealt with. Now when she ...
5
votes
5answers
839 views

Windows 2003 Enterprise infected by Conficker; post-infection problems continue

I used various tools to remove Conficker, and I pretty much succeeded, but I've had recurring problems afterward. It won't update anymore (with the following error message: 0x800706B5) I tried ...
1
vote
2answers
1k views

Single File Encryption in a Windows Environment

Would it be correct to assume that encrypting a single file in a Windows environment, for example a simple text file containing login credentials for a variety of accounts, is inherently insecure? It ...
1
vote
1answer
142 views

How to run client's code on server securely

I'm working on a project basically a web application. It accepts code (java, c, c++) from client, compile and execute on server and return the results back to client. As I'm going to execute code on ...
1
vote
1answer
1k views

How can I monitor a named pipe?

I have installed an application that opens a named pipe that is accessible over the network. I would like to monitor/sniff what is sent to this named pipe, any idea how I can do that? Edit: Even ...
5
votes
3answers
772 views

Tools helps: First time cracking passwords

I am trying to crack passwords on two Windows member servers (2003 and 2008). There is no Active Directory. Each user seems to use the same password across servers, workstations, etc. I have access to ...
1
vote
1answer
609 views

Windows Update - Interception

I'm trying to monitor the HTTP requests/responses made when performing a Windows Update. I have a Windows 8 machine configured with a proxy in IE. I've also imported via netsh for winhttp: netsh ...
0
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2answers
176 views

No where to run, no where to hide - suggestions to improve personal security needed

I think that as a windows user, I have no where to run and no where to hide. In the windows world no matter how many precautions I take, I can get infected by - 1 - Drive by on legal and popular ...
24
votes
3answers
2k views

Stack Overflow is www.doioig.gov/? If not, then could I be infected

Great! I made a post recently where I mentioned that my system might be infected. Now something new came up. When I search for Stack Overflow on Google, I see that the URL is www.doioig.gov/. When I ...
0
votes
4answers
412 views

NMAP scan fails

I started to read a metasploit guide book so I set up 2 Machines in VirtualBox for pen testing (host - BT 5, the second - WinXP SP2). When Im trying to scan open ports with NMAP on the Windows ...
2
votes
1answer
213 views

Normalizing Windows Advanced Firewall rules

How can I best normalize our Windows Advanced Firewall rules while implementing network segmentation? I want them to be as clear and concise as possible for audit purposes. What few examples I've seen ...
0
votes
2answers
1k views

Regedit shows strange chinese characters in my system - should I be worried?

I suspect that my system has been hacked into. I see huge drops in free hard disk space for a while and then the space returns to near old values. A few days ago, when i clicked 'my computer', i saw ...
2
votes
2answers
1k views

UAC and Windows Services

A user has a PowerShell script that does some things that require administrative access on Windows Server 2012 with UAC enabled. When they run the script as a Local Administrator, it fails with ...
1
vote
1answer
305 views

Win server 2003 sp2 'local' Privilege escalation via thin client

Just asking if there is any known exploit that allows a client connected a win server 2003 sp2 x64 via SunRay thin-client to infiltrate (or preform a local privilege escalation on) the server. The ...
0
votes
1answer
223 views

How to enforce NTFS permission compliance?

I have to enforce NTFS permissions based on business roles. Each role (group in ADS) can be granted the permission to read or write a file server directory. I do not care about share permissions. I ...
0
votes
1answer
219 views

Windows 7 File Patching, Custom Visual Styles

In order to apply custom "visual styles" or themes in Windows 7, you must patch a few system files including Explorer. I can see from the start how this could be a potential security problem, but how ...
2
votes
2answers
291 views

Suspect Exchange Server appears to be hacked. How to determine if it was a false positive?

Our security vendor detected that our client's CAS server was doing a nessus scan in the internal network. It's not uncommon for this vendor to issue a false positive, but I'm looking for general ...
18
votes
3answers
4k views

Create a unterminable process in Windows

I am a student, and am genuinely curious about unterminable processes in Windows. For educational purposes, I would like to create an application (possibly in VB6?) which cannot be terminable by a ...
0
votes
3answers
136 views

Implement server serial key for server software

Me and my friend want to sell game server-side software, but we want some sort of control, over use of that software. For example, we want some sort of serial key system, so only verified/paid ...
0
votes
2answers
172 views

How isolated are 2 operating systems on 1 harddisk?

Lets say I have 2 windows dual booting on the same harddrive (windws 7), How isolated are they? I am thinking that there should be up to date antiviruses software on both Windows, and they should be ...
-1
votes
1answer
230 views

A simple but dangerous vulnerability in windows7?

I discovered that if you change the extension of any file to .lnk, that is make it like a shortcut file, then you can't change the extension again, even if you have set 'show the file extension names' ...
3
votes
3answers
1k views

Is there is a way to lock my USB port over the device physically?

Is there is a way to lock my USB port over the device physically ? For example I am connecting the USB mouse and keyboard on an public computer but I do not want anyone to remove them physically. I ...
16
votes
6answers
577 views

How to deal with a person who gets easily fooled by internet and mail scams?

alternative title: How to deal with a person who has gotten paranoid and doesn't want to go online anymore? A person, who has over the years been scammed many times, by bad spam/fraud emails, and ...