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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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 ...
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281 views

secure use of psexec?

As of March 7, 2014 PsExec now "encrypts all communication between local and remote systems, including the transmission of command information such as the user name and password under which the remote ...
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351 views

Is there anyway to generate a SAM file?

I was wondering if it is possible to create a windows SAM file. I already tried using chntpw but it seems like it only works under a Redhat based linux, ie I was able to blank/change a Windows 7 ...
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123 views

Lock Windows to a specific app

Is it possible, using some program or application, to lock Windows 7 so only a specific app can be used, for example Word, until a password is entered? Thanks!
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52 views

Windows Passwords

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 ...
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71 views

Are there any alternatives to EFS for transparently encrypting the contents of a folder in Windows?

EFS is not an option for me because I'm using Windows 7 Home Premium. I am looking for folder encryption, not drive encryption.
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788 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 ...
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77 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 ...
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178 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 ...
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125 views

Remote Registry allows bypass of 2FA enforcement with 1FA

Some organizations will configure their Windows systems to require Smart Cards for all account logins, as part of a two-factor authentication implementation. However, this can easily be bypassed ...
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662 views

How does Bitlocker only-PIN method work?

Microsoft explained USB-key and TPM based BitLocker decryption process on this article. USB-Key process: The steps in the illustrated sequence are as follows: 1- The operating system starts ...
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443 views

copying roaming profile credential file of another computer

I am trying to recover login information of another computer. I have managed to copy the local/roaming profile credential files located in C:\users\%username%\APPDATA\local\Microsoft\Credentials\ and ...
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62 views

Storing Recoverable Passwords In An App

I'm working on a project where I need to store and recover a password. I can't use a salted hash for authentication because the password is used to secure an HTTP connection via HTTP Digest. I'm not ...
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15 views

Use cases for IPC security windows communication

There are two processes on windows machine. One is in user space and second is a service. User space process sends data to service. Because iam starting to think about securing somehow communication ...
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45 views

Are Secure Desktop and separate process enough for hiding sensitive information in RAM?

In my program, I have an encrypted database on the file system with a password. It is decrypted in RAM, and the sensitive data get spread out too much in RAM for mistake to be auditable easily enough. ...
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86 views

PowerShell / Windows - Security best practices for enabling Windows Remote Management

As the title indicates, I'm looking for industry best practices for enabling Windows Remote Management on a mix of Windows Servers (from 2000, 2003, 2008/R2 and 2012) to allow PowerShell to execute ...
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94 views

Migrate a x509 key using KSP (CNG) to CSP (CryptoAPI) in Windows

I have a code signing certificate issued to me by a commercial CA, and the key was generated on my local development machine using the new Cryptography Next Generation storage providers. ...
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43 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 ...
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30 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 ...
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74 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?
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56 views

Obtaining login scripts for a domain?

I have read that a useful technique in penetration testing is to obtain the login scripts for a domain, as they may often have passwords obfuscated in there or other useful information. However, in ...
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133 views

Is the process Wslxrqjet.exe, tagged 'Google Chrome', malicious?

Multiple instances (between 3 and 15) of this of this process Wslxrqjet.exe are running on my Windows 8 system at all times. Windows Task Manager 'Description' field for all instances is "Google ...
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126 views

Mcafee endpoint encryption doesn't see previously encrypted partition after Windows 7 reinstallation

My partitions C and D were encrypted and Windows 7 was installed on C. I copied all important files to D and then changed harddrive controller from IDE to AHCI, removed C and created it again and then ...
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62 views

About Windows Interactive services Security

I know most services run under non interactive windows station or desktop also called session 0 while as some services (interactive) running under local system account create a window on interactive ...
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56 views

Clear EFS Cache at Set Interval

My boss wants to set up encrypted file shares using EFS on Windows Server 2012 R2 Boxes accessed by Windows 8.1 clients. I've been able to set the default DRA, issue certificates in test cases and so ...
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271 views

Windows OLE Vulnerability CVE-2014-4114 “Sandworm”

Just heard about a new vulnerability and am using the same format as the POODLE guy for this one. What is the Sandworm vulnerability? I use [product/browser]. Am I affected? Is [product] ...
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46 views

Signed an executable; appears as unsigned on VMs?

I signed my binary with a certificate issued by GoDaddy. It seems that myself and everyone I could get to test it for me confirms that it is indeed signed (much like signtool verify) However, when I ...
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Syncing service passwords during offline installations

Due to very paranoid customer requirements, we have to install several Windows services on two different systems that should run under a shared service account. Each system should each have a copy of ...
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76 views

SSRS custom assembly security issues

I want to invoke a custom assembly that uses protected services (like DirectoryServices, etc...) with reporting Services. On the web, I see a recurring example of configuration (inspired by this ...
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86 views

What is the security of Powershell “TrustedHosts”? (is it just a name match)?

Powershell has a TrustedHost section that is configured like this: winrm s winrm/config/client '@{TrustedHosts="CorpServer56"}' What security is implied for CorpServer56? Is it just an ASCII name ...
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59 views

Does whosthere.exe of pth toolkit have to run with administrative rights?

To see the users that are connected to the machine and they're pass hashes with Whosthere.exe, do I have to run it as an administrator?
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504 views

automatic connection from LSASS to different IPs. Is this the usual behavior?

I'm using windows 7. firefox 22. connecting through a regular residential wifi router. In the last month I've noticed that when I connect to the internet and once in a while my firewall indicates me ...
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199 views

Problem with qgankgyefx..vbe virus

I am not sure if I am in right forum. But i am having problem with this virus. On affected computer, If we use a USB drive, all the file become hidden. I am using HFV.exe for retrieve all data in ...
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113 views

Windows EFS on Amazon - how secure?

We evaluate using Windows EFS on Amazon EBS. There is a report about Windows flaw that allows you to copy data from encrypted volume: ...
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Windows proxy settings updated automatically

While trying to set proxy settings in my Windows machine registry I found an interesting thing that I hope you will be able to help me with. The proxy settings that are set on my machine are: ...
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21 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, ...
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33 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 ...
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33 views

Does Miranda-IM/Miranda-NG encrypt all messages?

Since the demise of GTalk a few weeks ago, we've found that MIM seems to be the lightest instant messaging client out there. It connects to multiple chat services (MSN, Skype, Yahoo) Our main concern ...
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33 views

Translating BUILTIN\Users Privileges and Security Settings

I would like to rid my CustomUsers security group from it's dependency on the BUILTIN\Users security group. My goal is to achieve the following: Tightened security (the OS is also hardened) Easy ...
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73 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 ...
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108 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 ...
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68 views

Which antivirus scanners detect malicious files like image files / text files that seem harmless? until double clicked?

I'm on win7 64bit, and I just found out that you can embed scripting data into images and plain text files where it would run the cmd.exe file to execute other scripts. What type of antivirus scanners ...
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25 views

Is TrID a reliable alternative to the file command for windows?

I am doing malware analysis on Windows and am looking for a simple solution for file identification for an initial pass. TrID looks like a good candidate that prevents the overhead of installing ...
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63 views

Detection of pass the hash

I have researched about PTH Attacks but yet found any solid way detecting it in a network.is there a way to detect a pass the hash ? analysing the windows message from the dcs or something ?
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207 views

Windows CTF/war games/reverse engineering/exploit challenges

War Games are fun but mainly deal with Linux reverse engineering. Example: http://blackbox.smashthestack.org:85/ Does anyone know of similar online games for Windows security?
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159 views

How can the .rsrc section of a PE used for evil?

I was doing some work with a bootable iso and ClamXav notified me that if found a potential security threat in one of the drivers, nvstor32.sys, located in the iso. I was really curious, so I googled ...
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122 views

Tunneling Remote Desktop from DMZ Windows server to my Listening Linux Server. How to?

I have a situation in a penetration test where I got a meterpreter on an internal (DMZ) Windows box, and I want to connect via RDP to it, however the RDP port is blocked externally. The box I hacked ...
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46 views

Read WMI stuff on offline system?

For forensic purposes, I want to work with WMI on an offline system (dd image disk). In particular I would like to read the WMI Event Subscriptions. How can I achieve this ? Are WMI stuff located ...
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149 views

How to stop auto-created files to happen?

I'm new to "Information Security" so I hope I'm in the right place. I'm experimenting a very disapointing problem on my hosting server: some files are automaticaly created and I don't know how. The ...
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Would BitLocker and SysKey be a possible and good security combo?

Is it possible to have Bitlocker and SysKey work together on a Windows machine? If so, could you have them both work on a single USB thumb drive? Would the Thumb Drive have to be partitioned? If no, ...