PowerShell

Yesterday Microsoft announced a new critical vulnerability CVE-2023-23397, a vulnerability in Microsoft Outlook that allows a threat actor to harvest NTLMv2 hashes via a specifically crafted Outlook appointment. Microsoft state that attackers can exploit this vulnerability by sending an email that triggers automatically when it is retrieved and processed by the Outlook client. This can lead to exploitation BEFORE the email is viewed in the Preview Pane. They also state that this vulnerability is being actively exploited in the wild....

Do you relate to the cover photo? Have your NTFS permissions just bombed out and you can’t bare the idea of waiting hours or days for your new permissions to apply? Don’t worry, I’m here to help. It’s no secret that applying NTFS permissions to any directory tree larger than a few thousand files quickly decends in to a painstaking waiting game. The built in UI is garbage, and icacls is decent but single-threaded and slow....

If you’re working on Windows Server Core or remotely on another computer and don’t have access to the Windows GUI, you might have trouble disabling a faulty or unwanted plug-and-play device. Thankfully PowerShell makes it easy to get, enable and disable devices in Device Manager using Get-PnpDevice, Enable-PnpDevice and Disable-PnpDevice How to query devices 1 2 3 4 5 6 7 Get-PnpDevice # Get's all PNP Devices Get-PnpDevice -PresentOnly # Gets all PNP Devices currently attached or physically present in the system Get-PnpDevice -FriendlyName "*Ethernet*" # Gets all PNP Devices with a name containing "Ethernet" Get-PnpDevice -Status ERROR # Gets all PNP Devices in an errored states How to enable or disable devices To enable disable a device, simply pipe the output of Get-PnpDevice to Disable-PnpDevice or Enable-PnpDevice....

The proxy address is already being used by the proxy addresses of another mailbox Why can’t I create a mailbox at account@domain2.com if one already exists at account@domain1.com The Problem So, you have two (or more) domains associated with your Office 365 Exchange account. When you try to create a shared mailbox on one domain, you encounter an error stating the proxy address is already being used. For example You have two domains, lets call them domain1....