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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138 views

Did DKOM trigger PatchGuard on x64 Windows?

DKOM can be used to hide processes and drivers. It works well on x86 system. However, there are PatchGuard on x64 system. Can PatchGuard detect DKOM?
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1answer
784 views

Windows Certificate Store - Generating / importing personal certificates using a smartcard?

I think we all know Windows can store and handle certificates which is a nice feature as this enables many appliations to rely on this (like Putty-CAC). Now I'm having the problem, that I own a ...
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3answers
703 views

How can I scan open ports through Windows Firewall?

I use Kali Linux and VMWare for testing some penetration techniques. The problem is that when I scan ports with Nmap to my Windows IP "all ports are filtered". I know that the firewall is blocking the ...
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0answers
47 views

What is SAM Account\F as reported by chntpw? [closed]

I am working through some study material and decided to explore the chntpw tool. I have a listing for SAM Account\F and it is off (0). I am wondering what this is as I am curious why it is off and ...
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2answers
684 views

How effective is antivirus software? [duplicate]

On one hand, most antivirus websites claim their products are highly effective, and I've seen antivirus "test" videos claiming 95%+ detection rates for new malware (as in less than a day old, not old ...
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1answer
214 views

CryptoAPI to CommonCrypto with RC4

I have cryptographic code used in the Windows platform, which uses the Crypto API functions and need to convert this to using Common Crypto on OS X. Essentially the original code is this, with error ...
2
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0answers
928 views

Convert RSA openSSH key/putty key to gpg key [closed]

Scenario Two work sites, site 1 and site 2. Two Linux servers, server A and server B. Server A is reachable from both sites, while server B is reachable from site 1 only. Two Windows workstations, ...
0
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1answer
244 views

Warning message about Git on IE 11: “a website wants to open web content using this program on your computer”

This is about something that happened while using IE 11 on Win 7 x64. Not sure if it matters but IE is running in "Protected Mode". I was posting a support request for a software that I use at that ...
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1answer
133 views

How to encrypt or store data so that only a pool of processes can share it on Windows?

I am writing an application T1 which is using SQLite database to store some sensitive data and i am trying to encrypt it securely. The issue i am facing is that i don't want my symmetric key to be ...
2
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1answer
179 views

Security behind “Windows Security” Feature

Within the Windows Security authentication mechanism active, there are cases the user-login popup comes up. Are this username and password sent encrypted or they are sent as plain-text as the ...
1
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1answer
818 views

Execute cmd commands with http directory traversal attack

Question Summary: I am trying to create a lab scenario wherein the "attacker" is intended to perform a directory transversal attack from an HTML page and move into the Windows system directories. Can ...
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0answers
36 views

Protect Specific Services on Client PC

I am not sure if I am asking in the correct location for this, but will ask in the hopes you assist. I want to be able to lock certain services from being restarted/stopped/ended. I know most ...
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2answers
66 views

secure notebook options [closed]

How can I secure my notebook with highly sensitive information stored in a spreadsheet. I am keeping the following options in mind: Password protect & encrypt BIOS Full disk encryption Password ...
1
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1answer
217 views

Can the Windows lock screen be attacked with software? [duplicate]

As a follow-up to this question, I am wondering how much care I need to put into my Windows login password, for when I leave my computer alone in "sleep" mode. (I know that Windows passwords can be ...
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0answers
77 views

Why malicious browser extensions along with API hooking

Most malware steals financial data by hooking to browser APIs like PR_Read, PR_write etc.. Also I see some malware like Sinowal use browser extensions along with these API hooks. I believe a user ...
33
votes
4answers
4k views

Is my data safe if, with an encrypted hard disk, I put Windows in “sleep” mode

Both my boot partition and my data partition are encrypted with TrueCrypt. My password is lengthy, so I find myself avoiding a reboot of my system whenever possible. When going to lunch (for ...
25
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4answers
5k views

Is it possible to detect a honeypot? [closed]

Do techniques exists to know if a machine is a honeypot (or suspicious indicators)? What techniques can be used for a software inside the honeypot or outside it? What techniques uses malware to ...
4
votes
2answers
1k views

How does process migration work in Meterpreter [closed]

Did anyone try to figure out how process migration works in Meterpreter in Windows? I want to make my own script to learn that, but am failing to find a starting point for that. Well, I have an idea ...
2
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3answers
74 views

Utility to build IP exclusion list? [closed]

Are there any utilities out there that can assist in building an IP exclusion list? Scenario: Recently suffered a brute force attack where 50000 failed login attempts came from a multitude of ...
0
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0answers
393 views

Sysinternals tool suite not working on low priv shell

Currently oscp student. I asked this on the oscp forum yesterday, but no responses so far. I am new to infosec, but have 18 years of education / work experience in IT. As far as I can tell, ...
3
votes
1answer
99 views

Hooking an *unexported* API

I want to know is there any way to hook (inline hook) an unexported API of a PE? I have this binary (PE 32 bit) which does not uses any DLL (A statically linked binary) and I would like to know what ...
2
votes
1answer
119 views

How do I audit the effect of security policy on a computer?

I have developed different templates for local security policy. I have been using the program Nexpose to test the effects of those security policies but so far I am not able to detect the visible ...
0
votes
1answer
153 views

Disable a specific services in Windows 7 [closed]

I am using a Windows 7 and I want to Disable some Services, How can I do this? For my machine only? For some machines inside the Active Directory I can control? For all machines inside the Active ...
0
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0answers
72 views

Forensics: Any legitimate reason for code injection in artifacts?

I have two images I'm analyzing using volatility. I've found two instances where malfind found injected code in processes in which the code had well defined function prologues and returns. One was ...
5
votes
2answers
374 views

What are the new security features in Windows 10?

Title says it all really. I realise I can Google this, but the top links don't cover all the new features I am aware of, so people will benefit from a canonical answer here.
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1answer
143 views

Is the enforcement of only allowing signed application to run in a Windows server a safe rule in a prod environment?

There are various security tools that allow an administrator to enforce only signed applications to run in a Windows operating system. is this a realistic general enforcement rule in a production ...
1
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1answer
248 views

Windows passwords: Blank/non-blank, admin/non-admin

What are the security concerns of the following user account setups on a normal Windows 7/8/10 desktop machine compared to: Using a non-privileged account with a password and having an admin account ...
2
votes
3answers
4k views

Completely encrypting virtual machine (for free) [closed]

I know in VMware workstation there's the option to encrypt a virtual machine. Is there a free way to do this without VMware workstation? I'm aiming for the fullest encryption and encapsulation ...
1
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4answers
571 views

Possible to find out the last person to open a file on Windows without specialist tools?

So I suppose this is specific to the OS you are using or the filetype or software used to open it, but my question stands open for all really but I am particularly interested in more common files such ...
3
votes
0answers
116 views

Lowercase 'w' seen in C:\windows application paths from wmic services list

In reviewing several Windows 7 computers built from the same image (using wmic services command), I'm seeing most all the Window services paths displayed as C:\windows not C:\Windows. The 'w' is ...
0
votes
2answers
64 views

Can I add a new user to an unencrypted Windows installation from a Windows installation disk?

I recall hearing this before, the ability to boot up a Windows PC with an unencrypted hard drive using an installation disk/usb, and use the command line utility on the Windows installation disk to ...
3
votes
1answer
551 views

Forensics - trace back DNS query origin on host?

So I tried to search the web for answers but didn't find any. Is there any way to trace back which exe file or application caused the computer to make a specific DNS query?
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2answers
13k views

Bitlocker without TPM with both a startup USB and password?

On a Windows 8.1 Pro PC without TPM, how can I use Bitlocker with both a startup USB drive and password? I don't have the option to use both of them, is this possible via command line? Currently, ...
10
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1answer
4k views

Why is Windows Explorer making external connections?

McAfee is seeing Windows Explorer (explorer.exe) establishing connections to external IPs: Also verified with cmd: C:\Windows\system32>tasklist|find "explorer.exe" explorer.exe ...
3
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5answers
2k views

Can any dangerous file(Virus, Trojan, Malware, etc) cause harm inside a zip or rar?

I am using Windows 8.1 pro with Mozilla Thunderbird for my email requirements. I have my Thunderbird set to auto download all email attachments, however upon runnning a Virus scan I am seeing many ...
2
votes
0answers
36 views

ESI and EDI Overflow [duplicate]

I tried fuzzing an application and ended up with my fuzz string in the EDI register and my program stopped with access violation when reading ESI. I checked the SEH, but it seems un affected :( I am ...
2
votes
0answers
80 views

Determine in which process a virus is hiding [closed]

My computer got one of those Recycle bin viruses, e621ca05.exe. It's an old installation of Windows XP and I can't even enter safe mode because it was in a shaky state already. So I can't follow the ...
0
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1answer
156 views

Do I need dedicated firewall? [closed]

I have two servers in the datacenter. FreeBSD <--> Windows Server FreeBSD configured as a gateway for Windows Server. What is the best: FreeBSD has only firewall. All services are on the Win ...
1
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1answer
259 views

Minimize risk with Windows 2003 end of life

The company I’m at currently has over 500 Windows 2003 servers remaining globally in production and even though they have a refresh plan they are working through, they are not going to be done anytime ...
9
votes
2answers
2k views

Does http.sys vulnerability affect Windows not running any webservers?

Windows kernel level HTTP driver http.sys is affected by remote code execution vulnerability (MS15-034). This security update resolves a vulnerability in Microsoft Windows. The vulnerability ...
0
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2answers
100 views

Windows / Sensitive Data / Prevent access by various process

It's my understanding if you're logged into your Windows PC as DOMAIN\DUDE.NAME and you have access to \DOMAINFILES\SECRET STUFF\SUPER SECRETS.xlsx any process you run can also access that file - ...
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0answers
76 views

Domain Exploitation [closed]

I have set up a domain testing environment on a couple of old computers that i had lying around at home. I have done a lot of information gathering and attempts at exploiting the machines via ...
4
votes
1answer
233 views

Accessing user accounts without asking for their password

I don't like asking my (windows network) users for their passwords, it doesn't seem like a good security practice. I also want to train my users to never give their password to anyone if they ask for ...
2
votes
0answers
123 views

Remote accessed? [closed]

I'm not an IT professional but I'm hoping someone will take the time to answer this. I'm not generally such an idiot but this happened: I was using Ancestry.com on Chrome and clicking links within ...
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0answers
339 views

Null Session Questions [closed]

Null Session means using unauthenticated SMB session to IPC$ share and accessing the resources anonymously using the RPC function calls in SMB Since The Processes running Under Local System Account ...
0
votes
3answers
390 views

How does Nessus send remote commands on Windows without RDP? [closed]

I would like to know how Nessus sends remote commands on Windows. I have a scan with credentials launched on a Windows machine without RDP enabled, and Nessus can launch commands (.audit with the item ...
1
vote
2answers
401 views

Hidden Malware on a windows OS able to startup [closed]

How do hackers hide there malware on windows, to startup and be impossible to find then delete. The results I found that a hacker can use to hide his malware: (found here) Windows: Setting hidden ...
1
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0answers
47 views

Why windows do not alarm when an application hook keyboard [duplicate]

In microsoft windows , we can simply develop an application that hook the keyboard and mouse or take an screenshot of display. Why windows do not alarm that a program uses hooking (for example ...
0
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1answer
211 views

Organizing results from netstat using find on Windows [closed]

I am trying to figure out a way to natively do this within Windows without having to load any 3rd party applications. When I run: netstat -ba I want to find established connections without losing ...
1
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2answers
407 views

How to wipe potentially infected SSD?

I recently fell victim to some Adware (and possible malware). I was installing Firefox and clicked an ad link in Bing and downloaded a "packaged" Firefox install. I believe the ad is still at the ...