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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3answers
130 views

Can a virus persist across Windows version upgrades?

It is possible for a trojan which allows a remote user to secretly control a computer, to re-install itself after upgrading to a newer version of Windows?
2
votes
1answer
295 views

Can someone explain, in simple terms, how the FREAK attack on browsers works?

Is there a reason it only affects browsers on Windows machines and not Mac's or UNIX/LINUX environments? A lot of the wording on this site is particularly complicated and I don't understand fully what ...
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0answers
64 views

Open source database of malware signatures

I'm looking for an open source database of malware signatures/hashes (if possible regularly updated and well documented) that I could use in one of my software for scanning a huge numbers of files ...
3
votes
1answer
66 views

Any reason for a user to use an email scanner if they don't use any offline mail clients?

I typically recommend that users enable a real-time email scanner (aka a mail shield) in order to detect a possible vector used by malware. Even if they don't use an email application, the rationale ...
0
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1answer
79 views

How does driver install with an expired cert?

I'm working on making a silent installer of WinpkFilter driver. In my silent installation, I'm always getting a (not so silent) prompt that says "Windows can't verify the publisher of this driver ...
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0answers
38 views

IIS | Block execution of files in directory

I am dealing with user uploads via a PHP application. I want to secure the server so no exploits are available to the user, such as uploading a php shell and executing it. I have set it so all ...
2
votes
1answer
81 views

Ease of Getting Data On Self-Encrypting Drive From Screen-Locked Windows 7/8 Computer

Hypothetical: a Windows 7 or 8 computer has a self-encrypting hard drive. It is stolen with the power on, but with the Windows lockscreen on. Are there easy off-the-shelf ways to access the data on ...
2
votes
2answers
148 views

Can changing a MAC address give an attacker more leverage in a network?

Security lessons force us to use limited users (Standard User) on Windows networks. I found that an administrator account can change his MAC address from Control Panel\Network and Internet\Network ...
2
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0answers
47 views

How can I restore my Windows certificate cache so I only have those from trusted CAs? [duplicate]

All this talk about Superfish and other adware crap has made me healthily paranoid that a wrong certificate can enter my certificate cache at any time. I have no reason to assume that there is a ...
1
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2answers
161 views

How to change default cipher in GnuPG on both Linux and Windows?

How can I change the default symmetric cipher used by GnuPG from CAST5 to another? I'm using GPG4Win on Windows, but would also be interested in a solution for Linux.
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0answers
68 views

How to turn off need for bitlocker to go on Windows 7

I am the system administrator of my local computer (Windows 7) and I am unable to write to an external hard drive if it is not encrypted using Bitlocker to go. The local computer is not encrypted and ...
3
votes
1answer
129 views

Has the security of PuTTY been examined?

I am wondering how PuTTY stacks up against other SSH implementations with respect to scrutiny and security of its SSH2 protocol implementation. PuTTY is probably the most-used SSH client on the ...
4
votes
2answers
105 views

Is UAC actually worth it? [duplicate]

Windows UAC: It's annoying. It seems pointless. Should I just disable it? Or in other words - is there actually a real risk of something malicious happening if I do? Is there malware out there that ...
3
votes
1answer
348 views

Is RDP susceptible to the BEAST attack?

I have Windows 2008 R2 servers which are failing a PCI vulnerability scan because they have RDP enabled (needs to be disabled). I have applied the PCI settings of IISCrypto tool, but I have to leave ...
1
vote
1answer
49 views

multiple authenticode signatures

Is it possible to have multiple Authenticode signatures in an executable? The Digital Signatures tab suggests you can, so I was wondering if, for example, you can sign an executable with Verisign's ...
1
vote
2answers
145 views

Are there other roots of trust on my computer aside from these 46 root certificates?

I've heard many people imply that modern browsers and OSes trust a myriad of root certificates. The implication is that it is impossible to ensure the private keys of all of the root certificates ...
3
votes
2answers
89 views

Does a valid code signing certificate mean that an installer has not been tampered with in transit?

Several dominant software vendors distribute updates over HTTP or over HTTPS with bad certificates. In general, it doesn't seem like I can expect to rely on a secure channel to ensure that an ...
2
votes
1answer
274 views

ISP glitch or a malware? Has this ever happened to you?

Brief background: I consider myself a relatively paranoid power-user, if not an absolute pro. I regularly update my AV and keep up with all the latest updates on my Windows7 machine. But what happened ...
5
votes
2answers
179 views

Which Windows Files Should be Monitored by HIDS?

I highlighted my question below. Here is some background. It's easy to find data showing the most commonly trojaned/modified Linux binaries and config files. ps, ls, find, kill, lsof, passwd, ...
1
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0answers
26 views

How do I get the thumbprint of an SSH2 public key on windows?

I have a SSH2 public key with a .PUB extension and when viewed in notepad it has this header: ---- BEGIN SSH2 PUBLIC KEY ---- How do I view the thumbprint of this key? I've attempted ssh-keygen ...
3
votes
1answer
153 views

Security of Windows Screen Saver Password

How secure is the Windows screensaver password? Seeing that screen saver passwords are used in the corporate world, is there any way of bypassing the screen saver after it is already running? Could a ...
-3
votes
2answers
101 views

i want to know the mac address of my stolen system having windows 10 installed in it? [closed]

My dell laptop has been stolen and i want to know the mac address of the device to track it. the system is sync with google and windows 10 OS is installed.
2
votes
3answers
151 views

On Windows, how to restrict access to a folder, sub folder and files to only some applications (not users)

We have an application which is not per user and can be used by multiple users simultaneously. Data is also shared by all users. The path to the data folders we use is ProgramData\OurAppName\Data ...
1
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1answer
30 views

How can user credetials be leveraged when doing a penetration test for a Windows network? [closed]

Assume the following scenario: NTLMv2 only Only Vista machines or higher Remote desktop disabled throughout network No open shares psexec needs administrative level access. Without any shares ...
4
votes
5answers
138 views

How can I determine the domain controller when it's not in DNS?

On a penetration test going in blind for an organization, meaning no knowledge of network topology of design, no idea what the domain(s) might be, and domain controller is not apparent in DNS...how ...
-1
votes
1answer
45 views

Undelete-secure AES software and software for carrying out “full undeletion” free-partition-space zeroing/reformatting on Windows?

It is fairly well known that on Windows, when you delete a file (or folder which may contain any number of files and subfolders possibly containing other files and subfolders and so on), Windows just ...
3
votes
2answers
67 views

Is it possible to “fingerprint” the “patches” applied to a Windows system?

Two situations with a similar goal: 1) You have access to a target network, and you a Windows host. Is it possible to remotely finger print which (operating system security) patches are applied to ...
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2answers
56 views

How does RealVNC Enterprise Know My System Credential?

After the installation of RealVNC on a Windows computer, the default login username and password via VNC is the same as the system username and password. Can anyone tell me how RealVNC can access such ...
1
vote
3answers
104 views

How to find what has been added to my hard drive [closed]

Why is my hard drive being filled up when I am not installing anything? How would I find out the cause, e.g. is it malware, a hacker, or potentially something else? Every few days I come home to ...
0
votes
1answer
242 views

How does LSARPC protocol work?

I'm trying to understand how does the LSARPC protocol work internally. In particular, I would like to know how secured is it. I couldn't find anything in the internet or in different books.
-1
votes
1answer
50 views

Mitigate DDos on Windows box

I would love to know, If you know some way to mitigate DDos/Dos attacks on Windows. In Linux we can Mitigate using the IPTables Almighty, but I wonder If there is something like that in Windows. ...
2
votes
3answers
58 views

Controlling variables used by an application

One thing that I have seen commonly used by game cheating engines it to control variables that the game is using. The idea is to edit the variables used by the game to say, give ones self unlimited ...
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0answers
69 views

Detecting reflective DLL injection any other ways?

any way to detect it? maybe using mcafee hips rules? Are there any known Techniques to detect it ? like walking the VAD tree or something?
2
votes
1answer
273 views

IIS 7 World Wide Web Publishing Service service account

We have a security requirement for IIS 7 (Windows 2008R2) that reads as follows: The service account ID used to run the web site must have its password changed at least annually. ...
0
votes
1answer
151 views

Can I create an SSL certificate on windows signed with the machine's certificate?

From MMC > Certificates I can see there's a certificate for the current machine under 'Trusted Root Certification Authorities > Certficates'. e.g. on my workstation called 'RoryWorkstation1' there's a ...
2
votes
0answers
134 views

Using “Security Compliance Manager” to audit a Windows system

I found a few posts which suggest using Microsoft SCM (Security Compliance Manager) to audit the security of Microsoft software solutions: Windows security policy analysis tool How do I apply a ...
1
vote
3answers
206 views

Why are keyloggers a problem for password managers?

Reading the API definition of SetWindowsHookEx, I see Calling the CallNextHookEx function to chain to the next hook procedure is optional, but it is highly recommended; otherwise, other ...
1
vote
2answers
104 views

Unregistering keyboard hooks by timeout expiration

I'm writing a password manager for Windows which I want to protect against keyloggers. There is a timeout of 5000 ms for keyboard hooks. The hook procedure should process a message in less time ...
3
votes
2answers
120 views

Microsoft recommended patching period - Security Patch release and updates

Ideally a security patch released by a vendor such as Microsoft for the Windows OS is required to be patched immediately. What would be the recommended patching period that Microsoft or best practices ...
1
vote
1answer
165 views

How can one restrict Windows shared folders access to specific applications?

There are few shared folders in my company that are accessed by applications from different branches across the country for different transactions. Hence they are kept "open". During a recent PT ...
2
votes
1answer
189 views

How is the file overlay read by an exe/virus?

According to what I know ,Overlay is the part of PE file that is not covered by the PE header and therefore isn't part of the virtual image in the Loaded PE. My question is if the overlay is not ...
4
votes
1answer
225 views

How to protect against viruses that takes files as hostages by encrypting them?

Today I was infected by CoinVault, a new malware similar to CryptoLocker I believe. Before today I was unaware of this entire type of malware. Fortunately I was protected by offline backups, but I ...
1
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2answers
134 views

Can folders [alone] have viruses?

I know that files can be infected, but can a Folder itself have a virus/trojan?
3
votes
1answer
78 views

C:\Users\Public\ for sensitive data

Installing a MS Windows based system that is to handle various sensitive data (accounting, personnel etc.). Somewhat to my surprise it consistently want to put everything under c:\Users\Public\ ...
1
vote
0answers
38 views

Right security architecture for SQL Server access in a distributed Windows-based system [closed]

I am designing a software product for which multiple SQL Server databases will be accessed by multiple applications residing in different Windows environments. Some of the environments are process ...
5
votes
1answer
161 views

Should I install my subordinate Certificate Authority on the domain controller? Why?

I must install a PKI in my organization. I work in a windows environment. I already set an offline CA. I must now install a subordinate CA. I have the choice between installing the subordinate CA on a ...
0
votes
1answer
114 views

How is Thread local storage used by malware/Virus?

I have been told that code in TLS is run before the entry point of an exe is reached ,so if one puts a breakpoint on this TLS address he/she could debug the behavior of the virus.Can Fiber local ...
0
votes
1answer
136 views

Upgrade my Dell Inspiron laptop for PenTesting [closed]

I have a Dell Inspiron N5110 & wanna upgrade it to start practising pentesing with virtual machines. What do u suggest from specs below to upgrade (I have Kali Linux, Tails OS, XP, Metasploitable ...
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votes
1answer
109 views

Corporation Best Practices for Encrypting Locally Stored Email Data

Since the recent Sony hacks took place, the attackers have published troves of data from users' email accounts. Some of this data is very detrimental to the company's image. I suspect that based on an ...
3
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2answers
88 views

Corporate Domain-Joined PC Used in China [closed]

What would be the disadvantages of allowing a user to travel to China (business trip) using a domain-joined corporate Windows PC as opposed to a non-domain-joined PC?