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
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1answer
204 views

Impersonating a computer in a Windows domain

I've been trying to wrap my head around how computers are identified and granted access to a Windows domain. More specifically, I've been asking myself if whatever mechanism is involved really ...
4
votes
1answer
702 views

(ctrl + alt + del) on Windows 8/8.1/10

After seeing this answer I wondered, how is this done in newer versions of windows, where [ctrl + alt + del] is no longer required for login? Was this feature just removed, or is it somehow ...
1
vote
1answer
43 views

Privilege seperation when using the same login credentials?

While thinking about preventing ransomware attacks on my machine I stumbled across the following question: Assume I'm on a Windows (10) PC. Assume further that I have two (local) accounts, one with ...
6
votes
1answer
110 views

Can windows domains be faked?

Without the equipment and software (and knowledge yet) readily available to test myself, I've been wondering about the relationship between computers and domains in a Windows environment. Some ...
1
vote
1answer
112 views

Unexpected attachment inside PDF

I have a PDF file that I downloaded in august last year. At that time, I opened it using Adobe Reader and didn't notice anything suspicious. Only today when I opened it in SumatraPDF did I notice that ...
0
votes
3answers
241 views

Are we anonymous when not connected to internet on windows?

When we don't use internet on windows, can windows or any Laptop vendor can access our Laptop (similar as connected to internet ). If yes, then How ?
1
vote
0answers
52 views

What personal information, if any, can be gleaned from a Microsoft APPCRASH problem signature?

I am trying to debug an "APPCRASH" problem event for a program running on Microsoft Windows 7. When this happens a problem signature is presented, like this example from SuperUser: Problem Event ...
16
votes
3answers
5k views

Running windows in virtual machine, should I bother with security?

I'm running Windows in a virtual machine on my mac (via Parallels). Should I bother installing antivirus, firewall and using other conventional wisdom practices (like don't open unknown .exe etc)? I ...
0
votes
2answers
91 views

How reliable is the method of overwriting deleted files with large files? [duplicate]

In addition to the question posted regarding purging data without formatting and the ability to recover data with forensic tools, how reliable is the method regarding overwriting with large file sets? ...
0
votes
0answers
34 views

Rootkit driver to change executed instructions

Say I have a process that has a bunch of functions I want to NOP out. From userland, I want anyone viewing the virtual memory to see the normal instructions. However physical memory, and in the end ...
2
votes
2answers
120 views

Limiting FTP privileges on Windows Server

I currently have a Windows 2012 Server which is acting as a webserver running IIS. I am using Filezilla to host an FTP server to allow some clients FTP access to their own websites. I have setup the ...
1
vote
1answer
151 views

What are the advantages and disadvantages of installing an operating system through network? [duplicate]

Netboot is a technology that allows a computer to boot through the network, instead of starting on a hard drive, USB stick or DVD, it connects to a remote server to retrieve a disk image to start. It ...
0
votes
0answers
46 views

How to prevent injection of Layered Service Provider (LSP) module in application with kernel-level?

LSP technology is often exploited by spyware and adware programs in order to intercept the communication across the Internet. For example, malware may insert itself as an LSP in the network stack ...
0
votes
1answer
85 views

How can I get someone to use PGP in emails [closed]

I do my part and ready to use PGP. There is a another user who is new to PGP.I have windows running, I did some installations to get PGP running.How can I get that user start using PGP ? what happens ...
2
votes
2answers
154 views

Block mobile tethering on android phones from Windows (DLP)

In our small organisation I have tried my best at implementing DLP by: Making sure users access all files from the server Local disks are denied access (forced to work only on network drives) ...
0
votes
2answers
88 views

Access to system32 [closed]

Is there a way anyone can access the system32 folder on Windows without being logged in? If so, how would he do that and how to prevent it.
4
votes
2answers
192 views

Location of Password Hashes on a Windows Local Machine?

"Where are the two locations that user's password hashes are stored on a local windows machine?" My place of business asked me this question. I know that the SAM stores password hashes, where would ...
3
votes
0answers
55 views

Lookaside List Injection

I've been reading a lot about Use-after-free and came across this document. It talks about a "Lookaside" injection exploit. The document says to empty the dynamic memory cache, called the Lookaside ...
0
votes
1answer
93 views

Why does Windows 7 remove Authenticated Users from file permissions when a folder is shared?

When I try to share a folder using the share tab in file properties, if I go back and remove sharing options from the Share tab, it also affects the Security tab, removing inheritance of permissions ...
3
votes
1answer
146 views

When using Dropbox to sync Keepass db, is it ok to open it in synced folder?

I'm going to be storing a Keepass 2 database file (.kdbx) in a local folder that's synced by Dropbox. Is it safe to use Keepass to open the database directly considering everything in the folder is ...
2
votes
0answers
84 views

Windows certificate verification with timestamping

I have been trying to replicate the behaviour of the Digital Signatures tab on windows file properties. I'm using WinVerifyTrust api and X509Certificates namespace to achieve my goal. I've managed to ...
0
votes
2answers
96 views

Are there any consequences of clicking on a URL to a facebook.com link?

So I stupidly clicked on a suspicious link on a Facebook post today. Guest account for shame. In my defense, it was a link to facebook.com itself, but it loaded a Facebook page, then seemed to ...
2
votes
0answers
207 views

Is possible to prevent input emulation with SetWindowsHookEx in specific application?

The one of technique of input emulation protection with automation toools like AutoIt or ACTools used most of simple game bot programs is SetWindowsHookEx usage WH_KEYBOARD_LL flags. This solution is ...
5
votes
2answers
162 views

Security of Windows Processes using “RunAs A Different User”

I've struggled to find much information on this topic. What I'm interested in is the following: Scenario A user is logged into a Windows (7, 8.1, etc) workstation as a standard non-administrative ...
1
vote
1answer
75 views

Track cmd executions history logs?

I bought a new notebook with Windows 10 Home edition installed on it. The notebook also had tons of other software pre-installed: all kinds of drivers, keyboard back-lighting managers and so on. I've ...
2
votes
1answer
228 views

How does Zeus (and other malware) inject code into other processes

Recently, I've been studying how malware works, most recently the infamously known Zeus bot, and I've noticed one thing that I don't seem to understand: The malware is said to be able to hook APIs in ...
2
votes
1answer
124 views

Is there any way to discover why Windows Smartscreen is flagging your download?

Since Windows Smartscreen is now marking downloaded files signed with SHA1 post 1/1/16 as potentially unsafe, we have had to get a new code-signing cert. With it being a new cert, it has no '...
3
votes
1answer
113 views

Is the Windows paging file safe in the encrypted partition?

I came across this setting called ClearPageFileAtShutdown. The setting is described here and says: If you are truly worried about security, boot Windows off a fully-encrypted drive. Then you needn'...
1
vote
1answer
75 views

How to protect Windows Registery from being changed or from programs trying to add keys

This question is with regards to Windows Personal PC. How to protect Windows Registry from being changed or from programs trying to add keys? I understand that the following general good practices ...
5
votes
2answers
115 views

Path Disclosure without ability to read files

So I am a pentester, and I have discovered "feature" on a server that allows me to, essentially, blindly traverse a web server's files (without executing or reading them). The problem is that I ...
2
votes
1answer
115 views

In Windows, what should I do to run a program with admin rights without concerns?

I'm currently using Windows 8.1 - 64 bits. In my computer, I have 2 accounts, 1 with admin power (used to install programs), and another without admin power (for everyday usage). There's a certain ...
1
vote
3answers
116 views

Is it possible to gain control of a Windows computer with no browser notifications when a user clicks a URL?

If so, how? Currently working on a spam filter for a large company and trying to determine the level of risk involved with this. We run many different Windows versions. This CNN video seems to imply ...
0
votes
2answers
114 views

Any idea to prevent on this case of security breach on Windows 7

I'm using a Windows 7 64 PC in my company. Today I found a strange username on the login screen. I checked and found some users' folders inside my Windows directory. Only my account from company ...
0
votes
0answers
39 views

Meeting HIPAA standards in a server-to-domain-client application?

Similar, inconclusive question by someone else found here: HIPAA requirements for local server The requirements are that the application runs on a Windows server and can be expected to connect to up ...
0
votes
2answers
60 views

How to reinstall Win7 from a D-drive on an infected laptop

The laptop is infected with some sort of bad stuff (virus? Trojan? malware? etc). I am thinking of wiping it clean and reinstal Win7 "from scratch". I am running Win7 from an HP Probook, which has a ...
3
votes
1answer
108 views

Can I trust my antivirus' assessment of my computer as clean, if it previously found threats?

Yesterday, I went to my Recycle Bin (for the first time in a while) to purge a bunch of files I had sent there. When I clicked on the folder, my antivirus warned me of a trojan out of the blue. Later, ...
0
votes
1answer
214 views

Is there a risk that file shredders and free space wipers steal our confidential data?

I was wondering how secure are the file shredding software and free space wipers? Lets say we are using PC Windows, and software CCleaner (from piriform) or File Shredder (found here) to securely ...
3
votes
2answers
112 views

Security of natural Windows 7, 8.1 or 10 behind no firewall

I've often been wondering today in 2016 how secure is truly an up-to-date natural Windows 7, Windows 8.1 or Windows 10 OS on internet behind no firewall other than its internal windows firewall. Is ...
0
votes
1answer
298 views

How to find Windows version from the file on a remote system

I need to find out what Windows and Service Pack system is currently running. All I have is ftp access, it means I cannot run any the software. Is there a way to determine what version of Windows, ...
0
votes
1answer
142 views

A seemingly innocent program is attempting to connect online. Should I be worried?

OS: Windows 10 64-bit updated, usually used for development and Steam-CSGO. Straight to the point: Solitaire just tried to connect to the internet. Details: After tightening my firewall rules after ...
1
vote
1answer
118 views

AirVPN, DNS Leaks on Windows 8.1, but not Ubuntu

I've noticed when I visit dnsleaktest.com using Windows 8.1 & Chrome a bunch of UK IP addresses (Belonging to my ISP) are displayed alongside the Netherlands IP address I should be appearing as (...
0
votes
1answer
57 views

Do I need to change my host OS to something like Tails if I already have Tails running in a VM if I want to be protected on the interenet?

First let me say sorry if I sound like a script kitty, because I am. Now on to my question. So I want to be protected on the internet when I go on the deep web, do banking etc. I use Tails to protect ...
5
votes
1answer
164 views

Is reskinning work computer desktops a practical security measure?

Recently, I opened a new checking account a national US bank. The branch of this bank was very modern, and they even had a wall of screens behind the teller's desk. When I was meeting with an advisor ...
0
votes
1answer
91 views

When NtUnmapViewOfSection is called?

I'm analyzing an executable and I see that it created a process child and within it there was a call to NtUnmapViewOfSection. I know that this method is almost always malicious and can be used for ...
0
votes
1answer
71 views

How does resetting passwords twice increase security after a breach?

In regards to https://mva.microsoft.com/en-US/training-courses/how-to-avoid-golden-ticket-attacks-12134 They mention several times that resetting not only AD passwords twice but also local computer ...
1
vote
1answer
145 views

How can I send a file with DLL to Cuckoo Sandbox?

I want to submit an executable for analysis in Cuckoo Sandbox. The file must be in the same folder with a DLL I have. How can I request Cuckoo to test my exe and make it run properly? (i.e exe and ...
4
votes
7answers
814 views

How to completely remove all traces of a file in Windows 7?

I'm curious to know how to completely erase all possible traces of files in Windows 7. For example, let's say I have a subfolder containing five different files at work deemed sensitive (A document, ...
0
votes
2answers
151 views

How does malware install itself as a service without requiring user's credential?

I order to understand malware, I've tried to create a toy-example myself. However, I don't understand how the malware install itself on the computer as a service, without the credentials of the user. ...
1
vote
0answers
34 views

Problem using custom CryptoNG KSP on IE 11

We are currently developing a custom KSP (Key Storage Provider) for a Key Storage System. We successfully developed a CSP (CryptoAPI) and a KSP (CryptoNG) provider, and both work really fine for ...
0
votes
1answer
61 views

Is it a breach to have a ssh program into a tomcat server

I start to working in a project here and find something that at least seems odd to me. Since I'm not an specialist I came here to ask. It is a Java Web project that was made to run into a Tomcat ...