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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4
votes
2answers
733 views

Unknown Asian/Chinese registry keys

On a Windows Server 2008 machine found registry key "潓瑦慷敲卜湹潣敶祲" under HKEY_CURRENT_USER of the administrator account. It contains a value "敓癲捩剥湵楮杮" of type REG_DWORD which is set to 0. I scanned the ...
-1
votes
2answers
416 views

My Computer hacked?

I have Window 7 and believe it has been hacked. On two occasions, as I was reloading my operating system, I got a message that my computer had been counterfeited. I get the impression that my computer ...
3
votes
4answers
1k views

does switching to linux remove existing computer virus

if you change from a malware/spyware infected windows setup to a linux setup will infections migrate to linux if they were on the computer? (when you are hacked/infected is it the op system that is ...
6
votes
1answer
8k views

Where is my password stored on Windows 7?

Is there a specific location where the passwords are stored ? Are they salted ?
6
votes
1answer
137 views

What are Non-linear/backward overwrites?

I read some slides from the Black Hat USA 2012 conference, and I stumbled across the term non-­linear/backward overwrite, mentioned on slide 5 of the Exploit Mitigation Improvements in Windows 8 by ...
5
votes
1answer
7k 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 ...
3
votes
2answers
1k views

Shutdown: Clear virtual memory pagefile

I was reading about Windows Local Policy of "Shutdown: Clear virtual memory pagefile". I need some clarification on this brief policy description: What do it mean by operating system that allow ...
3
votes
2answers
9k views

Does Chrome OS Allow Executable Files?

My company has some real security issues and I am wondering if using Chrome OS can be some solution to my problem. Typical Windows computers seems all to vulnerable to attacks from malicious images ...
15
votes
2answers
5k views

How secure is the Windows event log, and how is it secured?

I'm curious as to just how secure the Windows event log is, and exactly what security measures it uses. Does it include any defenses against tampering - for example, does it use digital signatures or ...
7
votes
2answers
6k views

How can I view the NTFS $MFT using correct field names?

I am trying to view an NTFS master file table. Each tool I have used so far extracts all of the entries, but puts non standard headers such as STANDARD_INFORMATION_ON instead of say ...
3
votes
1answer
148 views

What about AD2P vulnerability?

My goal is to create a simple one-way intercom using B Speech TX2 and B Speech RX2, an Audio2Bluetooth and Bluetooth2Audio converter. My question is, how secure is the audio(in my case voice) being ...
3
votes
1answer
1k views

Can Windows 7 hibernation files be recovered?

As curiosity, according to my knowledge, hibernation basically moves memory data from memory to hard disk. First of all, is this true? And if so, is it possible to recover the deleted hibernation data ...
4
votes
3answers
742 views

Application to monitor software activities

I am doing black box testing on a software which is installed in my local machine. I want to analyze and see the list of files and registry entries that software create/modify/delete. Basically ...
5
votes
3answers
3k views

Designing a Sandbox for Windows

I am thinking about the design for a sandbox, which is able to execute arbitrary unmodified, untrusted binaries. The goal is to implement an application Unlike something like e.g. Google Chrome's ...
3
votes
5answers
4k views

How secure are iPhone/Android/Windows 8 “PIN”/Pattern Lock features?

Most modern (and tablet-oriented) operating systems now offer alternative ways of logging on other than a strong password. For example, iPhones offer a 4-digit PIN, Android devices offer this and a ...
4
votes
3answers
746 views

Virus with PGP Encryption Preventing Virus Scan

A user reported having a virus that was causing pop up windows asking for money. When he turned on his laptop and logged into PGP encryption (whole disk) the desktop quickly showed but then a white ...
5
votes
1answer
222 views

User Account Control and outside processes

I was using TeamViewer (a remote desktop client) to log in to a remote computer running Windows 7. While logged in, the Java updater prompted me for administrator access to run an update check. Out ...
-2
votes
1answer
399 views

Activation Protection Technologies in Windows 8

Microsoft has implemented a new activation protection with SLIC 3.0, how does this technology work - specifically as compared to the SLIC used in Windows 7?
0
votes
1answer
813 views

Who to assign read/write access rights for a single-user application to run correctly?

My application installs for a single user on a Windows machine. Any user may install the application for himself, but the application will save some information common to all users in a separate ...
12
votes
1answer
1k views

MPPE-Send and Receive key derivation from MS-CHAPv2

I am trying to get the MS-MPPE-Send-key and MS-MPPE-Recv-key from the MS-CHAPv2 challenge material. I am able to follow the RFCs 2548 3078 and 3079 to the step of getting the GetNewKeyFromSHA() it is ...
2
votes
4answers
692 views

Does Disabling Right Click In Windows Explorer Do Anything?

I am at a student at a school which blocks the right click in Windows Explorer and the desktop, as well as on the taskbar. I don't exactly understand why they do this, since most of the commands on ...
5
votes
2answers
2k views

Are there any Windows permissions management applications?

I am currently dealing with permission issues with an IIS app pool. I am tired of clicking through window after window to set permissions on folders for domain and local users. Also, I would like ...
4
votes
1answer
133 views

Is access to the caller API in mobile phones a real security threat?

From time-to-time I receive "Unknown" caller on my mobile phone. I do not want to answer those calls as I do not trust the identity of a caller. I feel safer if I can see caller name or at least ...
18
votes
2answers
97k views

How to figure out if someone has been using TeamViewer 8 to access my computer when I was not here?

I came to my computer today and have not been here since monday afternoon. I am using windows 7. There were some error messages showing even on the log in screen about memory violations done by ...
7
votes
1answer
1k views

Reconstructing bittorrent data from PCAP

I am doing a CTF flag for my school project with a PCAP flag based on this CTF write-up: eindbazen.net - Plaid CTF 2012 - Torrent I setup a local torrent file containing an .mp3 (the audio is my ...
3
votes
1answer
125 views

Windows Phone and Hardcoding Values

Let us say that I have a Windows Phone application. If I hardcode a private key in the Windows Phone application, can people extract it once the application is released to the public on the Windows ...
216
votes
7answers
42k 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, ...
-3
votes
1answer
481 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 ...
4
votes
2answers
872 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
votes
2answers
2k 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
612 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 ...
6
votes
3answers
2k 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
344 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
votes
1answer
186 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 ...
-3
votes
1answer
120 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?
4
votes
2answers
3k 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 ...
7
votes
2answers
3k 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
votes
3answers
2k 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 ...
6
votes
4answers
5k views

Man-in-the-middle Blue Coat proxy SSL or what?

I have just discovered that my workplace has enabled some new features in the Blue Coat network proxy. It seems like all HTTPS certificates in Chrome on Windows are being issued by this internal ...
7
votes
3answers
11k 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 ...
7
votes
1answer
5k 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
vote
1answer
3k 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
2k 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
2k 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 ...
2
votes
3answers
2k 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
163 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 ...
4
votes
1answer
18k 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 ...
8
votes
6answers
2k 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
437 views

Recover password or password hash from locked account

I have a locked administrator account. Other accounts are unlocked, but they have no rights. I want to get a password from the locked account, or maybe password hash, if possible.
7
votes
2answers
2k 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 ...