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
5answers
533 views

Computer hasn't been connected to internet for 2 weeks

A computer hasn't been connected to the internet for 2 weeks but has still been used. It's running Windows 8 and various notices are complaining about virus definitions and updates not being current. ...
2
votes
1answer
164 views

what is the difference between dll hooking and dll injection [duplicate]

I am confused and would like to know the difference between DLL injection and DLL hooking? I am familiar with its use in malware and I know that key-loggers use it. I also know that SetWindowsHooKEX ...
1
vote
1answer
110 views

what is the difference between dll hijacking and dll injection

I am confused. I would like to know if dll hijacking and dll injection are the same or are they different. I know that some malware use it to do malicious things. thank you in advance
0
votes
1answer
55 views

What process would add gdiplus.dll and msdia80.dll at the root of a hard disk

I added a new 4TB hard disk drive to my desktop computer, and noticed a couple of days later two .dll files at the root of the drive. The environment in question is a 64-bit Windows 7 Professional ...
0
votes
1answer
347 views

Should the thumbprint be SHA2 in addition to the Signature Hash Algorithm?

I'm looking at a Windows PKI and see that the Thumbprint is SHA1, while the Signature is SHA2 (SHA256). Is this an acceptable configuration? Should I recommend that the client update to SHA2 for a ...
2
votes
1answer
741 views

My MP3 file is blocked, but still playable?

My computer is telling me that my MP3 file is blocked: I have no problems playing the song, so I was wondering what exactly does it mean for my MP3 file to be blocked?
0
votes
0answers
54 views

Detection of pass the hash

I have researched about PTH Attacks but yet found any solid way detecting it in a network.is there a way to detect a pass the hash ? analysing the windows message from the dcs or something ?
0
votes
0answers
129 views

Windows CTF/war games/reverse engineering/exploit challenges

War Games are fun but mainly deal with Linux reverse engineering. Example: http://blackbox.smashthestack.org:85/ Does anyone know of similar online games for Windows security?
22
votes
3answers
7k 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 ...
1
vote
2answers
2k views

Any network related security benefits using RODC (Read Only DC) in DMZ?

Windows servers in the DMZ need to communicate with the Active Directory. I do not like that the servers will have direct communication with my Active Directory, so I consider installing a Read-Only ...
0
votes
1answer
181 views

How do I view a list of known unpatched windows xp arbitrary code execution vulnerabilities? [duplicate]

I know there is secunia and cve.mitre and ms kb database but I could not find a way to filter results only for operating system "windows xp" (or 2003 server, they share about the same code) with ...
1
vote
2answers
86 views

MITM on program with no proxy settings

I'm trying to inspect the traffic of a program (which is running on my computer) that uses SSL over TCP to a non-standard port. The traffic may or may not be HTTP traffic, likely isn't. Neither ...
0
votes
1answer
44 views

Add certificate authority to one browser only

For testing purposes, I'd like to add a "CA" to the list of trusted-CA's of one browser - and use it only for testing. I want to make sure that it won't get added to the computer's trusted CA list. ...
2
votes
1answer
92 views

Is it possible to modify the last time a user logged into Windows?

On my digital forensics course I need to analyze an image and look for evidences to ask a couple of questions. One question was to find out when was the system installed, and another one was to find ...
1
vote
0answers
85 views

Mcafee endpoint encryption doesn't see previously encrypted partition after Windows 7 reinstallation

My partitions C and D were encrypted and Windows 7 was installed on C. I copied all important files to D and then changed harddrive controller from IDE to AHCI, removed C and created it again and then ...
2
votes
2answers
2k views

Is this a valid Windows update page

In my chrome browser if I google for Windows Update the first hit is windowsupdate.microsoft.com/‎ When I click on it I am redirected to ...
0
votes
2answers
134 views

Trust relationship between domains

I am working in a organisation where it has a structure of parent company and Subsidiary. Both are individual domains without Trust. I work for Subsidiary Requirement is Subsidiary company should ...
4
votes
4answers
670 views

How widely deployed is TLS with cipher ECDHE?

Microsoft deployed a patch for Windows 2012 R2 and Windows 8.1 that adds the following ciphers. Cipher suite Exchange Encryption Hash TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 DH ...
2
votes
2answers
321 views

ByPass usb GPO with iphone -and probably other mobile-

So I am running pentest on a device running Win7 and admin user set group policy to disable all mass storage devices and all usb's. I have access to local user without privs. Although my usb stick ...
1
vote
3answers
199 views

USGCB on a non-networked computer

We will be getting some data that needs to be kept in accordance with USGCB regulations. Our intent was to keep it secure by storing and using it on a non-networked computer, but the regulations seem ...
0
votes
1answer
63 views

PCI Compliance - Antivirus in host and virtual environment?

We have a couple servers with a host system, and virtual DB and Web instances. Is it possible to be compliant with PCI if you install the Antivirus only on the host system, or does it need to be ...
2
votes
1answer
86 views

Safe to disable UAC?

I have programmed my own Windows kiosk application (.NET) which requires admin rights from the OS to ensure certain services are running (amongst other things). However, this causes the UAC prompt ...
1
vote
1answer
57 views

Notifications (RSS or mailing list) of CVE with high scores for Windows and Red Hat? [closed]

I'm looking for a RSS feed or a mailing list that would allow me to be alerted of new CVEs impacting Windows or Red Hat that have a very high score, such as the recent ones for Shellshock and Winshock ...
16
votes
4answers
5k views

Can the Windows Schannel vulnerability be exploited by visiting a website?

Microsoft has just patched a vulnerability in Schannel that could allow remote code execution (MS14-066). What I can't find are any reliable details on how this can be exploited. I've seen some people ...
0
votes
1answer
177 views

Does MS14-066 affect CE versions of Windows?

I'm aware of the impact of MS14-066 to Windows servers/workstations, and have managed the patching our of desktop networks. However, I am concerned that our Windows CE systems may also be affected, ...
2
votes
1answer
243 views

Are Java applications vulnerable to CVE-2014-6321 (WinShock)?

CVE-2014-6321 (also known as MS14-066) is a heap overflow vulnerability discovered by Microsoft engineers in Schannel, the SSL/TLS implementation used by Windows. My Java application uses SSL (JSSE ...
1
vote
0answers
465 views

How does Bitlocker only-PIN method work?

Microsoft explained USB-key and TPM based BitLocker decryption process on this article. USB-Key process: The steps in the illustrated sequence are as follows: 1- The operating system starts ...
2
votes
1answer
216 views

How Windows Server 2008 Stores Local Users Passwords?

It is not clear to me how Windows Srver 2008 R8 stores local account passwords. Is there any salt added or just NT hash is computed and stored. The following article describes all the methods used by ...
3
votes
1answer
110 views

How to store client secret securely on application base in Windows?

I would like to store valuable client data (ex. passwords, OAuth tokens) in a way that they will be accessible only from one application (separation on application base). The mechanism must be ...
1
vote
1answer
117 views

Machine Certificate Key File Artifacts

When a new machine certificate is imported with a private key a MachineKey file is generated in "%ProgramData%\Microsoft\Crypto\RSA\MachineKeys". When using the certificate mmc snapin or removing a ...
1
vote
1answer
202 views

Trojan/Worm Cridex Issue

Currently we are receiving a surge in machines that are being attacked with Cridex. We received several spam/infected emails that have used macros to we think deploy a backdoor trojan that is ...
1
vote
1answer
83 views

Recovering From Suspected MPEG Malware Attack

Against my better judgement I foolishly opened an MPEG video emailed to me from a friend's email address because the topic in the email was something we had recently discussed. I am fairly certain ...
1
vote
0answers
54 views

About Windows Interactive services Security

I know most services run under non interactive windows station or desktop also called session 0 while as some services (interactive) running under local system account create a window on interactive ...
0
votes
0answers
79 views

How can the .rsrc section of a PE used for evil?

I was doing some work with a bootable iso and ClamXav notified me that if found a potential security threat in one of the drivers, nvstor32.sys, located in the iso. I was really curious, so I googled ...
1
vote
0answers
36 views

Clear EFS Cache at Set Interval

My boss wants to set up encrypted file shares using EFS on Windows Server 2012 R2 Boxes accessed by Windows 8.1 clients. I've been able to set the default DRA, issue certificates in test cases and so ...
3
votes
1answer
58 views

Clarification on the -h Flag for Makecert.exe

When using Microsoft's Makecert.exe to generate a certificate (and key), there is the option to allegedly "specify the maximum height of the tree below that certificate", using the -h flag (see MSDN). ...
-2
votes
1answer
114 views

Forensic Question Invisible User [closed]

I was able to create an invisible user in windows 7 and 8.1. The user is not visible at the login Screen, I added it to the SYSTEM account group and Remote desktop Users Group, The Administrator can ...
0
votes
1answer
92 views

SSID rotation prevent tracking or not?

The Program VirtualWifi Manager can rotate SSID's. Does rotating SSID's prevent the google tracking _nomap problem?
-3
votes
3answers
199 views

How to capture the traffic of a computer in my LAN?

I have a machine with the Windows 10 preview installed and I want to capture all the traffic it sends for a day and then block all the MS hosts it sent data to without my direct permission. I don't ...
1
vote
1answer
259 views

Is google.com/webhp malicious?

Lately, I've noticed the addition of "/webhp" in the url of Google searches along with some additional variables, "sourceid", "rlz", and a few others. Together, they make a URL in the form of ...
1
vote
0answers
429 views

automatic connection from LSASS to different IPs. Is this the usual behavior?

I'm using windows 7. firefox 22. connecting through a regular residential wifi router. In the last month I've noticed that when I connect to the internet and once in a while my firewall indicates me ...
2
votes
1answer
206 views

Hardening ciphersuites on Windows Server 2012 R2

I'm currently in the process of compiling a Ciphersuite policy to be used on all of our new WS 12 & IIS 8.5 web servers. In the past I've always manually applied the registry keys into SChannel ...
3
votes
1answer
121 views

Dos Attack and other malwares!

I have been experiencing DoS attacks: ack scan and rst scan. Now I know these are supposed to be normal and the internet works that way but I experience severe internet disconnection when that ...
164
votes
7answers
28k views

What's the rationale behind Ctrl-Alt-Del for login

Why is Ctrl+Alt+Del required at login on certain Windows systems (I have not seen it elsewhere, but contradict me if I'm wrong) before the password can be typed in? From a usability point of view, ...
0
votes
1answer
87 views

Floppy disk partition showed up when USB Flash drive inserted

For one of my course's midterm lab portion, the professor provided us flash drives to put our project in. Everyone had their named labeled on one, so she gave me the last one left out, which had a ...
3
votes
4answers
379 views

How do I encrypt external drive with Password which is compatible with both Linux and Windows? [closed]

I wanted to encrypt my external drive with password, which is compatible in both Linux and Windows. Truecrypt is an option. But the development of it is stopped few months back. I came across ...
3
votes
6answers
10k views

Hardware USB Key to Reset Any Windows Password

This tool requires physical access of course, and there are many things you can do once you have physical access, but this peaked my curiosity. The tool in question: ...
1
vote
2answers
252 views

Will Ad Block Plus block the ads that give someone Cryptowall 2.0?

Now I already know that making sure your browser plugins are either non-existent or up-to-date is one way of being on the safe side against ransomeware like Cryptowall 2.0; but since clicking ads are ...
2
votes
2answers
617 views

What agency digitally signed Cryptowall 2.0 so that it can run without being detected?

What agency issued a digital signature for the Cryptowall 2.0 ransomware virus? Is it too early to tell? As far as I know this is how Microsoft planned to prevent malware, by adding a digital ...
13
votes
3answers
30k views

How do you discover what permissions an AD group has, if you have no documentation?

You just got hired at company A and the old administrator is no longer there. Requests start coming through for adding users to the internet restrict group. When you look at the groups none of the ...