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0answers
13 views

Add a scheduled task to the GPO progrematically [migrated]

The assumption is I'm on a DC with admin rights. I want to add an immediate task to the GPO to run a .exe on the workstations, but I want to do it without the GUI i.e. quietly. Is there a way to do ...
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0answers
39 views

PowerShell's Module logging, a few questions

I'm looking for some more information concerning the white paper which goes into some detail over PowerShell's Module logging. Specifically, once this is enabled, are the default cmdlets logged? For ...
1
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0answers
147 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 ...
2
votes
1answer
134 views

Powershell opened up, switched to administrator mode and ran scripts all without me touching my computer. How worried should I be?

I'm on a laptop running Window 8.1 connected to the internet running Kaspersky. I am the sole user and administrator of this laptop. While going about my usual work, I paused for a moment (hands off ...
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1answer
213 views

Windows netsh pivoting

I am pentesting a windows box to which I have gained system privileges. This box has two network interfaces. I have been able to reach machines on the second interface via the below netsh command. ...
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0answers
250 views

Active Directory Injection attack

Is there a possible way of injecting code to pull data from Active directory? I have written a PHP page that executes Powershell and is able to change passwords to a controlled group of people. ...
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0answers
99 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 ...
3
votes
1answer
283 views

What causes a powershell payload to run the first time but not the second?

I created a windows/meterpreter/reverse_https powershell payload using the python script provided at the end of this article. In the first run, the meterpreter session opened successfully, when I ...
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3answers
569 views

How to increase Windows PowerShell WebAccess security?

What are some recommended techniques to improve the security of powershell? Google returns many articles about powershell security like these: PowerShell’s Security Guiding Principles TechNet Edge ...
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2answers
719 views

How insecure is PowerShell Web Access?

Windows Server 2012 comes with a new feature that allows you to administrate the server via a PowerShell command line in any modern browser including Smartphones. This sounds cool and scary at the ...
4
votes
1answer
4k views

Checklist for configuring WinRM Security settings on servers

WinRM has a very difficult to use command line interface and that leads me to believe some settings will be easily reconfigured, overlooked, and eventually exploited. In other words, insecurity ...
5
votes
1answer
311 views

What is the security impact of changing PowerShell's PSLanguageMode?

A vendor is asking me to change the PSLanguageMode from within IIS on my Exchange server(s). What potential vulnerabilities am I opening myself up to? I'm surprised to see this option present within ...
6
votes
1answer
3k views

What are the security implications of enabling WINRM on all domain members?

As Powershell becomes more and more popular, it appears that using WINRM may end up being a better option than using PSEXEC from SysInternals for remote management. Given that WINRM is disabled by ...
13
votes
2answers
30k views

How is PowerShell's RemoteSigned execution policy different from AllSigned?

I'm still pretty new to PowerShell, and recently read this in a blog posting about creating and using PowerShell scripts. To prevent the execution of malicious scripts, PowerShell enforces an ...