The Top 10 PowerShell Commands That You Should Know

In this guide, we’re going to detail the top ten PowerShell commands for managing Windows PCs, checking services and processes, creating automated tasks, and output options. If you’ve never used PowerShell before, this is a very versatile task automation solution and we hope this guide the PowerShell commands covered in this guide will make your […] Continue reading The Top 10 PowerShell Commands That You Should Know

Practical Microsoft Graph PowerShell for Microsoft Teams

Managing Microsoft Teams if you’re an IT Pro can often be a complicated process that requires multiple services to be combined. When provisioning a team, services such as Azure Active Directory (AAD), SharePoint Online, and Exchange Online connect to the core plumbing. It means that for you as an IT administrator, you need to connect […] Continue reading Practical Microsoft Graph PowerShell for Microsoft Teams

Petri is Looking for Writers

The Petri IT Knowledgebase is looking for writers! Petri is a leading site providing IT professionals with tutorials, news, and advice on how to work with Microsoft enterprise technologies. The editorial team is looking for content creators and IT professionals in the field who would like to help others by contributing their knowledge in the […] Continue reading Petri is Looking for Writers

[SANS ISC] More Undetected PowerShell Dropper

I published the following diary on isc.sans.edu: “More Undetected PowerShell Dropper“: Last week, I published a diary about a PowerShell backdoor running below the radar with a VT score of 0! This time, it’s a dropper with multiple obfuscation techniques in place. It is also important to mention that the injection technique used is similar

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[SANS ISC] Simple but Undetected PowerShell Backdoor

I published the following diary on isc.sans.edu: “Simple but Undetected PowerShell Backdoor“: For a while, most security people agree on the fact that antivirus products are not enough for effective protection against malicious code. If they can block many threats, some of them remain undetected by classic technologies. Here is

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Nation State Threat Group Targets Airline with Aclip Backdoor

In March 2021, IBM Security X-Force observed an attack on an Asian airline that we assess was likely compromised by a state-sponsored adversary using a new backdoor that utilizes Slack. The adversary leveraged free workspaces on Slack, a legitimate messaging and collaboration application likely to obfuscate operational communications, allowing malicious traffic, or traffic with underlying […]

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