Tagged Questions

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
562 views

Reverse TCP connection from exploited SearchIndexer.exe failing

I'm working on a tool that exploits SearchIndexer.exe on Windows 7 x86 and connects back to a metasploit multi/handler, using standard metasploit reverse TCP stagers. The exploit seems to function as ...
0
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1answer
196 views

How many security holes were discovered in the original version of Windows XP?

In order to steer our future, it is important to understand our past. Now as the end of Windows XP draws near it would be interesting to see how the worlds most popular operating system fared ...
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2answers
412 views

Can I exploit Windows kernel from user-mode application?

In this document is detailed technique of exploiting Windows kernel. But writer is talking about accessing kernel memory & doing exploit from user-mode application at the same time. Can I do this ...
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2answers
1k views

MS12-020: Remote Code Execution

I'm doing some exercises in the lab. My vuln. scanner detects MS12-020 on a few machines. The report indicates that this could be exploited to allow the execution of code remotely. To me this would ...
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7answers
2k views

Can hackers detect my operating system?

I've seen people demonstrating the use of backtrack to attack VMs. In one of the components of backtrack, it shows the operating system of the targets. Since support for Windows XP is ending soon, i ...
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1answer
195 views

Java Drive By & Stub - Explanation [closed]

I have been trying to make some extensions for chrome lately to block some unwanted stuff. I have also been searching for quite some time to find what a JDB does.So , the applet downloads a file , ...
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0answers
167 views

Problem with qgankgyefx..vbe virus

I am not sure if I am in right forum. But i am having problem with this virus. On affected computer, If we use a USB drive, all the file become hidden. I am using HFV.exe for retrieve all data in ...
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2answers
184 views

PC showed evidence of a phone being attached for no obvious reason. Theories on why? [closed]

Connecting via remote desktop to a Windows 7 machine today showed the last couple of seconds of a windows device installing and the "Your device is ready" popup for a Sony Xperia T. Going to ...
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0answers
74 views

Windows EFS on Amazon - how secure?

We evaluate using Windows EFS on Amazon EBS. There is a report about Windows flaw that allows you to copy data from encrypted volume: ...
4
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1answer
216 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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5answers
314 views

“Safe” public WiFi [duplicate]

Is there any danger of any of my computer's files being read or changed (mainly - infected by malware) in the following scenario (I'm using Windows 7): I have file sharing turned off (in "advanced ...
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1answer
2k views

Where does Active Directory store user hashes?

During a penetration test for a client, having an infrastructure with multiple (5) Active Directory Servers (Win Serv 2008 R2)... I found a nice exploit to drop a system shell in one of the servers, ...
2
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1answer
563 views

Windows privileges to escalate? [closed]

What are the windows privileges that deserve to pay attention to prevent a user (non-admin) to escalate his privileges to the local admin group ? I know SeDebugPrivilege, but what else ? Thanks. ...
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1answer
107 views

Can I trust the details given in Resource Monitor?

I'm looking at Resource Monitor in Windows 7 and wondered whether a process could be hiding in plain sight by mimicking another process. For example I've renamed an executable file as chrome.exe and ...
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votes
1answer
95 views

Self-changing javascript characters in text editors

On Windows Server 2008-R2, certain javascript files are exhibiting the same behavior. Text can be copied from other files and pasted into new ones. In both NotePad++ and Windows' default notepad, ...
2
votes
0answers
1k views

What is a self-contained cross-platform encryption for USB drive? [closed]

I'm trying to find self-contained encryption solution for USB drives while at the same time being platform independent. For example, Windows' BitLocker only works on Windows and not on OS X or Linux. ...
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2answers
732 views

How could disabling 'Hide File Extensions' in Windows make a system more secure?

I'm reading up on the Cryptolocker virus, and I came across this comment, it says: And one additional measure: disable the default "Hide extensions for known file types" check box in Explorer. I ...
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1answer
166 views

One or two machines in a network have been compromised. How to proceed [duplicate]

Edit This post has been marked as duplicate. While I have read the referenced thread I see some differences in the descibed situation. My scenario below is a non-server home network with both machines ...
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0answers
248 views

Bypass Nmap Scans Being Blocked [closed]

A friend has set up a VM for me to play with, I am currently stuck on a little problem: On this network he set up, there are 6 machines and a router, 5 servers (plus the router) show up on a typical ...
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1answer
2k views

Use Metasploit to exploit SMB through Conficker

I've got an SP0/unpatched Windows XP which is vulnerable to the Conficker worm. I'm using metasploit to use the Conficker exploit with the purpose of opening a remote shell/command line. My ...
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1answer
267 views

NTKRNLPA.EXE connected to strange IP

Some assistance/advice needed to research this. First: I am not sure if this is the right place to ask this. If it isn't please note and I'll close. Over the weekend my email accounts (yahoo & ...
2
votes
1answer
183 views

Is it possible for me to extract my own AES disk encryption key?

I use Check Point Full Disk Encryption, but hope that this question can be answered generally. Is it possible for me to get, or extract, my own 256-bit AES key? By the way, I don't use any special ...
3
votes
2answers
792 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 ...
4
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2answers
720 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 ...
0
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1answer
243 views

Secret Santa and Windows Security

When i turned on my pc at the office this morning i found a file (text document) on my desktop saying that my secret santa salutes me and gave me a clue for where to find my gift. The weird thing ...
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1answer
138 views

How can an out-of-the-box (Windows) server not be secure? [closed]

Background: I'm considering switching from shared web hosting to VPS for added security. However - managed VPS's costs much more than unmanaged ones. So, assuming: I secured my website against any ...
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2answers
532 views

Is my computer trying to download something malicious from Dropbox?

My wife's computer was recently compromised and I have tried to clean it. I installed Microsoft Network Monitor to see if there was any unexplained internet traffic and I noticed a connection to ...
3
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1answer
239 views

unexpected thumbprint when connecting via remote desktop - what now?

I have an Amazon EC2 instance in a VPC. I have not logged into it for some time, so I used the Amazon EC2 CLI with ec2-get-console-output to check what the thumbprint should be when I connect. To my ...
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1answer
106 views

What protection certificates would be required for an application that consists of setup, loading utility and main application?

Say we have an InnoSetup installer script, a native C++ QT files loading application and a .Net client application that we load/update each time and which is the main application. We load files via ...
3
votes
4answers
320 views

Shared hosting vs VPS

I have an Asp.net site. Which hosting system do I need to secure it adequately* against anyone reading private information that's on the server? This is assuming I'm not worried about the sysadmins ...
1
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1answer
160 views

Can a program change the shortcut location of a browser to itself without UAC (Admin) in Windows?

I was reading an article on .desktop files used to spread malware on Gnome and KDE. I just thought that the same could be applied to Windows. On Windows: Malware is disguised as a picture by ...
6
votes
1answer
528 views

Browsers silently adding trusted root certificates in Windows

When accessing https://internetbanking.caixa.gov.br (site of a well known bank in Brazil), the server returns a certificate signed by "Autoridade Certificadora Raiz Brasileira" (Brazilian Root ...
2
votes
1answer
4k views

Explanation of open ports

I've run metasploit against my web-server and it found several opened ports that I didn't know. Please note that I have a firewall and IPSec configured but they were disabled just for testing ...
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0answers
81 views

A crash/mini dump concern [closed]

I just experienced a crash on my laptop. I was surfing the internet and all of a sudden everything crashed and a small blue screen (centred on the screen) popped up and was counting down. I didn't ...
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2answers
70 views

Restricting locations for unzipping a zip file

I hope that I have found the correct place to ask my question regarding unzipping files. I would like to see if there is a way to restrict the locations available to the user to unzip a password ...
1
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1answer
111 views

Reliability of windows OS security for “program files” safe guard

I want to do inter process communication between Firefox (via extension) and my application. Both reside in "Program files" (of windows 7 OS). I also assume that malware is running in the system and ...
3
votes
1answer
922 views

How do I verify exactly which cipher suite is in use for this Remote Desktop session?

You can configure Windows to use only certain cipher suites during things like Remote Desktop sessions. Cipher suites such as RC4 56 bit, RC4 128 bit, Triple DES 168 bit, etc. SSL/TLS is not in play ...
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3answers
886 views

Prevention against Cryptolocker virus by requesting password for all installing apps in Windows 7

Is it possible to protect Windows like Linux? I mean, I have Ubuntu installed on my laptop and when some program wants to install something etc. the pop up shows up and I need to type the password. ...
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4answers
1k views

Block all Nmap scan methods on Windows [closed]

How can I prevent someone from scanning my Windows box using Nmap? I used Comodo as my firewall but someone still can scan my box using Nmap and get some info like open services and OS detection.
0
votes
1answer
169 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 ...
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1answer
1k views

Single user mode for Windows

I am familiar with single user mode on OSX. By holding down Command-S, you can boot into a terminal as root. Resetting the PRAM with Command-Option-P-R will disable any firmware protection that would ...
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2answers
261 views

Are KIS 2014, Malewarebytes Pro and SpyBot sufficient to prevent internet attacks?

As mentionned in the title, I have KIS 2014, Malewarebyte Pro and Spybot installaed on my windows 7 (regularly updated). I regularly scan my pc for viruses and spywares and clean it with Glary ...
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1answer
146 views

Antivirus keeps blocking connection from a file I don't recognize

This is a follow up to this question. I've finally tracked down the file Avast keeps detecting and it's C:\Users\Jacob\AppData\Local\Updater.exe , I've no clue what this file is for , but am wondering ...
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votes
3answers
2k views

Cryptolocker: can servers be protected?

I'm IT in a small company. The network is about as ancient as most of the staff (at 30, I'm the company's youngest), and the staff also is notorious for spreading viruses around the network despite ...
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1answer
46 views

Is it safe/correct to grant full access to Everyone on a Windows symlink?

Does it really matter what the permissions are on a symlink as long as the smymlink target is configured correctly?
3
votes
1answer
118 views

Who watches the watchmen? User empowerment over firewall behaviour on a personal computer

I've been exploring the gamut of free Windows firewall applications recently and have encountered the following problem: The better firewalls are excellent at stopping other apps from phoning home ...
6
votes
4answers
600 views

Security of different OS

At my work we are given a computer to set up at home so if we ever feel like working from home we can do so. The thing is that whenever it comes to developing for java I always prefer using windows or ...
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4answers
710 views

Hacking Windows Box via Directory Traversal

I am practicing directory traversal attacks and found a vulnerability in a windows XP machine that is running a vulnerable HTTP server that is prone to directory traversal. I can guess file names and ...
3
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1answer
1k views

What are the risks posed by “pass-through authentication” and how are they mitigated?

Related: Local Admin has Domain Admin rights "Pass-through authentication" on Windows systems allows for the possibility for user accounts with the same name and password to impersonate one ...
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2answers
2k views

Basic self-signed certificate questions

A few basic questions around self-signed certificates Question 1 Does a self-signed certificate has to have a CA? I realize that a "real" certificate must as it otherwise can be chain validated but ...