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Posted in PowerShell

PowerShell workshop with Angry Admin – Security guide for ESXi

Today I will show you how to apply VMware security recommendation to ESXi hosts using PowerShell. The script is smart way check the hosts compliance…

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Posted in PowerShell

PowerShell – Disable SLP on ESXi firewall – VMSA-2019-0022 (CVE-2019-5544), VMSA-2020-0023 (CVE-2020-3992) and VMSA-2021-0002 (CVE-2021-21974).

OpenSLP vulnerabilities have been disclosed that affect ESXi. The possibility of exploitation can be removed by performing the steps detailed in this article I will…

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Posted in PowerShell

Embracing UEFI Booting and Secure Boot in ESXi Environments

Transitioning from BIOS to UEFI booting in ESXi environments is a pivotal step toward enhancing system security and performance. UEFI, with its advanced features like…

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Posted in Security Advisory

Royal Ransomware Escalates: Targets Linux and VMware ESXi Environments

The Royal ransomware group, believed to be composed of ex-Conti gang members, has intensified its operations since its emergence last year. The group has primarily…

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Posted in PowerShell

Embrace the Power of PowerCLI 13.1: Innovative Modules, Enhanced vSAN Capabilities, and Beyond

This version ushers in a long-awaited PowerCLI feature – a PowerCLI module for vSphere Replication, utilizing the same foundation as our auto-generated modules for NSX…

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Posted in PowerShell vCenter Virtual Machines

Let’s talk about snapshots! Snapshots Explained!

A VMware snapshot is a point-in-time copy of the virtual machine’s state, including its virtual disk files and configuration. Snapshots are used to capture the…

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Posted in Security Advisory

Prevention and Mitigation against Unsigned vSphere Installation Bundles (VIBs) in ESXi

Researchers from cyber threat intelligence company Mandiant on Thursday 29th published information on two malware leveraging unsigned vSphere Installation Bundles (“VIBs”) to install backdoors VirtualPita…

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Posted in Security Advisory

Let’s determine expired SSL certificates in vCenter and ESXi 6.x and 7.x

Once you have an issue with signing in to your environment or some services cannot start, the more likely root cause is the SSL cert…

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Posted in PowerShell

A general system error occurred: Exceeded the maximum number of permitted snapshots” error when creating a virtual machine snapshot

Before upgrading my NSX-T nodes I wanted to take a snapshot. To my surprise, I was not able to do so, as I received an…

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Posted in PowerShell

Let’s create a local user for ESXi and add the new account to the exclusion list for Lockdown Mode

Today we will use PowerCLI to create a local user for ESXi hosts and exclude that user from Lockdown Mode. The challenge is to communicate…

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