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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2
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1answer
90 views

Hashed passwords for NTLM authentication

I understood that Windows users' password hashes can be exported very easily. Right? So my question is: If I can have the hashes of other user accounts (e.g. local users on my Windows machine), isn't ...
0
votes
1answer
373 views

how to bypass windows xp firewall with nmap

I'm scanning a Windows XP in a virtualized environment. I use all of needed arguments to bypass its firewall but it doesn't answer: nmap -e eth0 -Pn --data-length 5 --badsum -g 80 -S 192.168.1.103 -f ...
-2
votes
1answer
117 views

How malware spreads nowadays [closed]

How malware nowadays spreads? For example, I have a Windows computer infected with some kind of malware (someone ran malicious executable on the computer when nobody was looking at it) and it can ...
5
votes
4answers
7k views

Secure use of psexec or better alternative to it

I want to remotely start VMWare virtual machines (I own VMWare Workstation) and to this end I need to execute on host something like "vmrun -T ws H:\VMWare\VM1\VM1.vmx nogui" with user desktop ...
2
votes
1answer
53 views

Similar products to MS EMET [closed]

Following the weekend announcement from Microsoft regarding the vulnerability in IE I have been looking at additional security defences for our endpoints. I've read some technical documentation and ...
-3
votes
1answer
137 views

Vulnerability in Internet Explorer [closed]

An attacker could host a specially crafted website that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the website. This here being remote code ...
2
votes
1answer
69 views

Access control on a primarily windows LAN [closed]

This question is a bit broad, but I'm hoping someone can point me in the right direction. I administer a small LAN at work with 15-20 machines on it. They are running Windows XP - Windows 8 and I have ...
0
votes
1answer
245 views

Use SSH config file with Putty [closed]

I'm using SourceTree (a Git GUI) which uses PuTTY as SSH client. I need to push some code into a repository for which I need to tunnel through SSH to do so. The trouble is, the repository and SSH ...
5
votes
1answer
5k views

Recover Server 2008 R2 Domain Admin Password

So I did the ultimate silly thing: I lost my domain admin password for my Server 2008 R2 box. Sure, I could just re-install but that's going to be a huge pain. I tried rebooting with the Windows ...
2
votes
3answers
272 views

Is it secure to access web with Xubuntu in VirtualBox running in Windows XP?

Support for Windows XP is ending soon. Therefore, I am seeking a secure solution to continue with Windows XP. When I access the web from Xubuntu in VirtualBox running in Windows XP, is the Windows ...
3
votes
4answers
180 views

One computer with multiple OSs in different drives

I use my personal computer for both programming work and gaming at my free time(and sometimes penetration testing) all these in different operating systems each. The problem is that I dont really ...
1
vote
2answers
126 views

How to make an efficient bruteforce attack on Windows? [closed]

I've been trying to figure out a way to efficiently bruteforce on Windows, but the method I currently have isn't very efficient. I did some profiling and found out that on average it can go through ...
1
vote
4answers
265 views

I only use windows for games. Do I need anti virus protection?

I use Linux, and even though I'm not pretending my system is virus-free, it's generally accepted that even an aggressive firewall is not a requirement. I want to install Windows 7 on a machine which ...
20
votes
4answers
6k 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 ...
6
votes
2answers
387 views

What features do you look for in an Enterprise Log Management solution?

This question is for IT Pros, and people who manage a company's infrastructure. Developers should see this related answer for tools geared for them. What are your requirements for such a Event Log ...
0
votes
2answers
157 views

Does the Heartbleed vulnerability affect signed java applets [closed]

I have a Windows based server that serves a signed JAVA applet. The website isn't secured (HTTP), but all JAVA applets have to be signed now, so the site serves a signed JAVA applet as part of a web ...
3
votes
0answers
159 views

Does heartbleed have any effect if OpenSSL was only used to generate the certificate [duplicate]

Edit: Please follow the above link to the original. I have a self-signed certificate which is use to sign other certificates that I issued. This is all done with an affected version of OpenSSL. ...
1
vote
0answers
58 views

Lock Windows to a specific app

Is it possible, using some program or application, to lock Windows 7 so only a specific app can be used, for example Word, until a password is entered? Thanks!
1
vote
3answers
160 views

Are there any exploits that would allow a user to “spoof” a screen capture system?

We have a security system installed that takes pictures of the client user's screen and sends them to a server. The pictures are saved until they get to the point where they are old enough to be ...
0
votes
1answer
145 views

How do you secure service account password on enterprise windows enviroment?

I'm suppose to have a large environment ( 500+ servers ) all Windows based joined to Active Directory domain. Some domain accounts are used for application\middleware authentication that needs high ...
2
votes
1answer
64 views

Safety while ciphering data

Say I wanted to encrypt some sensitive information with a symmetric algorithm using a program on a computer. Is it possible that a hacker could retrieve the data,salt, iteration, cipher, keysize while ...
40
votes
9answers
7k views

Why am I allowed to access protected Windows files when I boot Ubuntu from USB?

How come I'm allowed to reboot a computer that I don't own, put in a USB, boot ubuntu from it and then access all files stored on the drives available (even critical files such as system files on C ...
0
votes
1answer
130 views

Is using MD5 in NTLMv2 protocol to store Windows passwords is secure?

I read that Windows (probably not new OSs but say, Windows Server 2008) stores passwords using Hashes using NTLMv2 protocol which uses MD5 hash function. My questions: MD5 is known to be insecure ...
3
votes
3answers
373 views

Watching for applications like WireShark and other eaves dropping on corporate network

Are there ways to monitor and check for network monitoring like WireShark? Or would it just be more ideal to ensure every application uses SSL to ensure no employee or anyone could packet sniff ...
3
votes
2answers
246 views

Security of a Windows XP system after April 8th when running the latest Firefox or Chrome

As we all know, Microsoft stops developing security patches for Windows XP very soon. If a bug in the kernel was to be found that would allow an attacker to take control by, say, sending a specially ...
0
votes
1answer
242 views

Full disk encryption for server running virtual machines

I have a question about how to properly set up full disk encryption on a server running virtual machines. My setup is Windows 2012 with 2 VM's(Hyper-V) on it. I was looking into using Becrypt for ...
0
votes
1answer
209 views

RAM memory data remanence and double boot, risky?

I wonder if my setup can be risky. To give a good starting point for answers I would briefly sketch the situation setup: double boot system GNU/Linux and Microsoft Windows GNU/Linux is on 2 ...
0
votes
3answers
349 views

Windows DLL Injection

In the past recent years of mine, I have been doing a lot of DLL injection with a few indie games and MMORPGs. I fully understand how to do it, and how it works for allowing these games to work not as ...
2
votes
1answer
52 views

Are the problems with Window's CSPRNG still an issue on modern Windows?

The paper Cryptanalysis of the Random Number Generator of the Windows Operating System describes some problematic aspects of the Windows CSPRNG. However the paper was written in 2007, and looked at ...
1
vote
0answers
49 views

Does whosthere.exe of pth toolkit have to run with administrative rights?

To see the users that are connected to the machine and they're pass hashes with Whosthere.exe, do I have to run it as an administrator?
1
vote
2answers
76 views

Verifying integrity of text files

While I was away from my home I needed to do some work on a java program so I booted a friends netbook(windows 8) I had with me and finished most of the works I needed to do there. Tho when I returned ...
0
votes
2answers
128 views

How do I prove for my client that unused ports are closed and unused services are disabled?

I have seen advice that I need to close all unused ports, and disable any unused services in order to secure my servers. How can I prove, beyond any doubt, to my client that I have done this? I need ...
13
votes
1answer
77k views

How do I clear cached credentials from my Windows Profile?

Windows seems to be saving my credentials for a variety of applications (terminal servers, etc) and I'd like to purge this data. How can I backup and purge this data?
4
votes
3answers
292 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 ...
1
vote
1answer
121 views

A renamed exe automatically running

We are currently developing a web app that allows users to upload files to act as attachments to information they provide. Obviously allowing users to upload any file types is very dangerous, ...
20
votes
4answers
7k views

What can an attacker do with Bluetooth and how should it be mitigated?

What are the security risks of Bluetooth and what technologies and best practices should be used to protect my device? What can an attacker do once a malicious device is paired with mine? ...
3
votes
2answers
152 views

Can viewing an email message in Outlook 2013 install malware on my computer?

I routinely get spam messages which state "Your account for [Insert game here] has been flagged. If you don't click this link/send us this info/go to this website in the next 72 hours, your account ...
2
votes
1answer
145 views

Logging in as administrator in windows 7, is there a downside?

I have a very straightforward question. Is there any downside to logging in as an administrator all the time in windows 7? I mean, it asks you whenever a program asks for permission to do something ...
0
votes
2answers
36 views

Is it possible to keep several files on windows partition after re-installing windows? [closed]

Is it possible to keep several files and programs on windows OS after re-installing it? because of someone can steal the device that uses windows OS, then just removes the windows and install another ...
11
votes
5answers
11k views

How secure is NTFS encryption?

How secure is the data in a encrypted NTFS folder on Windows (XP, 7)? (The encryption option under file|folder -> properties -> advanced -> encrypt.) If the user uses a decent password, can this ...
-4
votes
2answers
157 views

Windows XP has many security vulnerabilities, So why many bank using Windows XP until now? [closed]

I know many banks using Windows XP on almost computers for staff working, WinXP has many security vulnerabilities. But rarely seriously problems occured with thier system. Is there good Firewall and ...
15
votes
4answers
681 views

Firefox pre-downloading

I've found out that if you download a file with Firefox, a similar window as this one pops up (in dutch in my case): ("Bestand opslaan" = "Save file") However, the file is already being ...
0
votes
3answers
129 views

Is a console application with NT Authority/System rights dangerous?

A developer managed to open a console application with NT Authority/System rights at the startup screen before logging in. From that command prompt it is possible to execute arbitrary programs like ...
10
votes
1answer
174 views

Where does a Hyper-V guest get its entropy when generating a certificate authority key pair?

According to findings by the EFF's SSL observatory, there are "tens of thousands of keys that offer effectively no security due to weak random number generation algorithm." My understanding of that ...
1
vote
1answer
127 views

Hash Security of Windows 7 Password

I need to find some materials about how Security Accounts Manager(SAM) works in windows 7+. I am confused with the storage format of hashed value. Many materials (such as, 1) tells me that it uses ...
1
vote
3answers
476 views

Debugging and DLL-Injection

Hi, I am currently reading Gray Hat Python to learn about Debugging and various interesting techniques for binary analysis. So far I have learned an amazing amount of stuff (just read about ...
0
votes
1answer
85 views

Is “bug banking” occurring? [closed]

Reading about the fast approaching end of support for Windows XP, I seem to come across a lot of articles which speak about bug banking. Of it being likely that towards the end of 2013 and beginning ...
3
votes
2answers
456 views

How To Recover EFS Cert From Backup?

I made a backup of the old Win 7 Pro then did a clean install. But I forgot to export my EFS encryption certificate, so when after I restored the encrypted files from backup I could no longer access ...
0
votes
2answers
488 views

Should I restrict Core Networking firewall rules in Windows server?

I have a server that I want to restrict access to by allowing only one IP address to be able to connect to it through desktop and make http request through port 80. Now in my firewall I only have ...
0
votes
2answers
75 views

Use the same IIS RSA key on all servers

I am working on standardizing our server builds where we currently have three different functional pools. For web pools I use the same IIS RSA key across all machines. It keeps life easy and ...