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
5k views

windows firewall turns OFF automatically

It seems pretty weird but for some reason, the Windows 7 firewall turns off. After I turn the firewall on in the control panel, it seems that it turns itself off when I go back to the control after I ...
0
votes
1answer
202 views

Windows security policy analysis tool [closed]

I have several security policy files (INF exported from different Windows machines) which I need to audit. Is there any automatic tool you know of, that can analyse those files according to best ...
6
votes
4answers
476 views

Finding date of last network access

I have a system that contains highly sensitive data that does not reside on the Internet. However, when I was going through the machine recently, I detected that it had cookies, and temporary internet ...
6
votes
3answers
20k views

Windows 7 Password Hash Security

I recently came across a number of sources that suggest that cracking Windows user account passwords is easy by examining their password hashes. I understand that these hashes are stored in the SAM ...
-1
votes
1answer
197 views

What was Microsoft trying to do when they had Windows Updates over their website? [closed]

What was Microsoft trying to do when they had Windows Updates over their website? Now it's completely integrated into the operating system and it seems much smoother. The Linux and Mac I've used got ...
-1
votes
3answers
266 views

How to find & remove twitter spambot?

Sometimes i can see that i've "retweeted" some tweets , that i actually didn't. And all of them spam to some gaming & pharma websites. I've got windows 7 64bit, norton internet security , using ...
6
votes
3answers
835 views

How to effectively (and reasonably) secure Windows in corporate environment.

A member on my staff recently had their work computer compromised while on their home network. The following is the information regarding their computer Windows XP SP3 - fully patched at the time of ...
5
votes
4answers
2k views

What are the most common files to check with File integrity monitoring software?

I have a file integrity monitoring suite and in it I have to select specific files and folders for it to monitor. There are some obvious services that I want monitored like our web-server. Is there a ...
2
votes
2answers
4k views

how to identify p2p on network

Im trying to work out if the traffic in the below image is P2P file sharing? If you notice the source ports are all random but the time 17.24 from c.port 58338 runs for a good length maybe about 400 ...
3
votes
0answers
188 views

How secure is HTTP basic authentication over SSL? [duplicate]

Possible Duplicate: Is BASIC-Auth secure if done over HTTPS? I want to set up a web server on a computer at home which will basically do no more than send the browser a file which contains ...
1
vote
2answers
626 views

Closing handles of a process as a regular user

Here's the situation: As an adminstrator, I am able to stall the application by closing 2 handles held by the process. (Using ProcExplorer) . Is there any way/hack I can use to close file handles ...
1
vote
1answer
707 views

How to fix the audit failure in our web server

We noticed that we are getting the following audit failure logs in our web server. The workstation is not in our network. Can anybody help me how to isolate and prevent this from happening? An ...
4
votes
3answers
10k views

How do you properly setup Tor on Windows 7?

How do you properly setup Tor on a Windows 7 box to guarantee that ALL connections will run through Tor?
6
votes
4answers
541 views

Would running VMs inside of VMs be a more secure way to study viruses, etc?

I was reading this post on SuperUser, and it made me wonder about security. I've read somewhere else that some viruses/malware/whatever CAN break outside of a VM... and then infect the host OS. BUT, ...
0
votes
1answer
804 views

Suspicious .exe set to run at startup: Determine if file exists still

When I open MSConfig and look at all the applications set to run on startup there is a suspicious file set to run at startup. I have disabled the .exe to not run at startup but I want to delete the ...
2
votes
1answer
300 views

Windows 8 in a VDI environment and the use of Secure Boot

I have a question, How would secure boot be implemented in a virtulized environment, say XEN hypervisor with multiple guest OS's including Windows 8 guest VM? does the guest VM need access to the ...
6
votes
1answer
2k views

NVidia update service creates local account on system. Does anyone know the users password?

Nvidia update service has created a local user on several of my boxes. Does anyone know its password? I recon it could possible be leveraged as an entry way for an attacker. Details: wmic ...
0
votes
1answer
480 views

Can the FiddlerCore library be used for Malware (e.g. MitM attacks)?

I've used the excellent Fiddler web debugging software before and have recently come across the Fiddler Core headless .NET library which gives you all the abilities of Fiddler in library form. It's ...
8
votes
7answers
5k views

Linux or Windows- the security issue [duplicate]

Possible Duplicate: Open Source vs Closed Source Systems Almost anyone who has grown up on Windows must have had the notion (that I had) of Linux being more secure than Windows- one of ...
2
votes
2answers
170 views

Why would encrypting data result in a call to a Domain Controller

This KB article mentions an issue where signing or encrypting information may result in a network IO call to a Domain Controller. Apparently the RSACryptoServiceProvider's SignData and VerifyData ...
4
votes
1answer
404 views

A simple example for showing the use of Data Execution Prevention (DEP) security feature

I am finding it really hard to figure out why we need a DEP! Microsoft states this about DEP: The primary benefit of DEP is to help prevent code execution from data pages. Typically, code ...
4
votes
4answers
6k views

Detecting or preventing process memory injections on Windows (anti-hack)

Standard hacking case. Hack injects into a started game process and writes over process memory using WriteProcessMemory call. The situation is like this: we are hosting a game server clients join ...
1
vote
1answer
724 views

Smart card compatible with Schlumberger (Gemalto) Cryptoflex 16K and USB reader

Another question related to previous ones A SW system constructed with Microsoft CNG can be FIPS 140-2 Level 2 Compliant? and About performance of Smard card for performing 3DES in a MD5 hash We need ...
1
vote
1answer
426 views

About performance of Smart card for performing 3DES in a MD5 hash

Another question related to previous, unanswered A SW system constructed with Microsoft CNG can be FIPS 140-2 Level 2 Compliant? Another alternative is to store the keys in a Smart card permanently ...
3
votes
2answers
504 views

A SW system constructed with Microsoft CNG can be FIPS 140-2 Level 2 Compliant?

We have to design and construct a system that signs files with sensible data, like evidences/proofs. The sign process is simple, basically calculate MD5 of the file content and encrypt the MD5 result ...
2
votes
1answer
201 views

What does a IT Security Pro need to know about .NET Code Access Security (CAS)?

Background In .NET 1.0 through 3.5 administrators could administer the runtime security policy through mscorcfg. Aparrently many of these security features have been removed in .NET 4.0,. ...
2
votes
1answer
930 views

Generate one CSR for two Windows servers

I have two Windows 2008 R2 servers which will be hosting a load balanced website. I will generate a private key and use it to generate a CSR using OpenSSL. How can I make this CSR (or the resulting ...
0
votes
2answers
108 views

Should a host based firewall have an API accessible to other applications?

Some people are hesitant to use Windows Firewall because it allows software to alter its state via an API. The benefit of this is that the Firewall configuration can be centrally manged in GPO. On ...
1
vote
2answers
303 views

Elcomsoft Advanced EFS Data Recovery

The Elcomsoft "Advanced EFS Data Recovery" whitepaper says First the program tries to do this automatically, for example trying to extract the password from cache or system files, checking simple ...
5
votes
1answer
4k views

What's the risk of changing permissions of the Security Eventlog registry key to IT operations?

Background Many developers are unnecessarily lowering the security of the event log, or requiring applications to run in Administrator mode just so they can use the event log with this C# or VB code: ...
17
votes
3answers
938 views

Why do rootkits hide in drivers?

A lot of rootkits for Windows (maybe even Linux?) do hide in drivers. Why is that? One reason I can think of is that using a driver they run in kernel mode and have full system access, but aren't ...
1
vote
1answer
185 views

Is the javascript browser tool at printfriendly.com secure for my browser

I use Win Xp Home with SP3 and am pretty aware of security problems. I use Palemoon 12.1, a version of Firefox optimized for windows. I usually use printfriendly bookmarklet to create printable pages ...
3
votes
2answers
505 views

Mitigations for Windows clients that don't support OCSP Nonces

Windows 7 clients (and older) don't support NONCES, a key feature used in securing the revocation check. Without a NONCE a MITM could replay a previously signed response and alter the validation of ...
5
votes
1answer
14k views

What is updated with “Update Root Certificates” enabled? What is the equivalent in Windows 2008R2?

What root certificates are/are not updated when the following checkbox is checked? Additional questions If I manually remove a root certificate, will this service replace that very certificate? ...
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vote
2answers
1k views

How does DCOM authentication compare to RPC based authentication/auth?

The following paragraph from MSFT Best Practices for 2003 PKI says Windows 2000 authenticated via RPC vs 2003 that authenticates using DCOM A CA running Windows Server 2003, Enterprise Edition, ...
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votes
2answers
141k views

How do I clear cached credentials from my Windows Profile?

Windows seems to be saving my credentials for a variety of applications (terminal servers, etc) and I'd like to purge this data. How can I backup and purge this data?
3
votes
1answer
4k views

Clearing IE temp files don't erase CRL history. How can this be purged?

Even after I purge all my Internet temporary files, I still see information when I type certutil -urlcache How do I purge this information?
2
votes
3answers
2k views

What is the most secure way to do OCSP signing without creating validation loops?

I'd like to enable the most secure OCSP validation that Windows 2008 SP1 and newer support. Based on the following information, am I required to implement id-pkix-ocsp-nocheck on my OCSP ...
2
votes
1answer
1k views

What are attribute certificates? Why would someone partition a certificate by reason codes?

In "How Certificate Revocation Works" a brief mention of Attribute Certificate and Reason Code partition is made: If validated by a client that supports partitioned and indirect CRLs, the IDP ...
5
votes
1answer
2k views

Can a certificate have multiple chains and multiple self-signed roots?

The following MSFT document has this paragraph: All possible certificate chains are built using locally cached certificates. If none of the certificate chains ends in a self-signed ...
1
vote
1answer
5k views

What are the OIDs (KU and EKU) necessary for Smart Card Authentication in Windows?

MSFT smart card authentication is listed in PKINIT RFC 4556 however I don't see any OIDs listed. Based on this and this KB article the EKU section of the certificate should contain "Client ...
18
votes
4answers
12k views

Checklist on building an Offline Root & Intermediate Certificate Authority (CA)

Microsoft allows a CA to use Cryptography Next Generation (CNG) and advises of incompatibility issues for clients that do not support this suite. Here is an image of the default cryptography settings ...
1
vote
1answer
119 views

Does the “Special Groups” feature in Vista, 2008, R2, and Windows 7 apply to File System access?

The Windows 2008R2 "Special Groups" feature allows for detailed tracking of domain administrators when they log into the machine. This is accomplished by editing a registry key or the LSA. Is there a ...
1
vote
1answer
2k views

How do these Windows services affect the security of Windows Firewall?

Its common to disable unneeded services in Windows 2008 R2, but sometimes I come across installations that use Windows Firewall and related services. More info: see service dependencies for Windows ...
1
vote
1answer
732 views

What encryption is possible for ReadyBoost?

ReadyBoost is a technology to assist getting Windows Vista or 7 to load faster on memory-constrained PC's. Since a USB stick can be easily removed, what security options are available for this ...
0
votes
1answer
635 views

1and1 Dedicated Server got compromised (Windows Server 2003)

We had couple of dedicated servers rented on 1and1 hosting. In past we had situation where our server has got compromised and intruders were able to hack into the Windows 2003 standard edition and ...
2
votes
4answers
161 views

lock for asp.net developer using vs 2010 and win xp?

I am hiring few extra trainees who will use their personal laptop at my office to work on .net projects. I want to restrict the code/file access in their laptops with password. Like when they get in ...
8
votes
5answers
12k views

How to trace a DDOS attack on a dedicated server and block it?

I have a dedicated server and I'm hosting a game, and the web page (using Apache) for account registering. The server is being ddosed since 8 months ago till today. I've tried to talk with the server ...
1
vote
1answer
357 views

Shellcode for higher file privileges

I'm learning exploits from the book Hacking: The Art of Exploitation. The shellcode below was written to enable higher privilege access to files. \x31\xc0\x31\xdb\x31\xc9\x99\xb0\xa4\xcd\x80 ...
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vote
0answers
143 views

Recover Word file password [closed]

I have a Word (.doc) file that I created a long time ago I believe in a Windows XP. The problem is I don't remember the password anymore and need to access the file. What would you recommend I do? I ...