Category Archives: PowerShell

How to Use the PowerShell Get-MessageTrace Command in Office 365

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The PowerShell Get-MessageTrace command can help Office 365 admins track down the delivery and processing of email messages that may not be getting into their users’ mailboxes. In this article, I’ll show you how to use the Get-MessageTrace command to manage and analyze email message traces in Office 365. Using PowerShell Get-MessageTrace with Exchange Online…

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Researchers Disclose PowerShell Gallery Design Flaws Vulnerable to Supply Chain Attacks

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Key Takeaways: Attention all IT Pros! Security researchers have unveiled three design flaws within the PowerShell Gallery, an online platform for distributing PowerShell code modules. These vulnerabilities have the potential to let malicious hackers upload harmful packages onto the repository, introducing risks such as typosquatting and supply chain attacks. Specifically, researchers at Aqua Nautilus first…

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Microsoft 365 Backup – Is Your Cloud Data Secure?

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Is your data in Microsoft 365 as secure as you think it is? It depends. As Microsoft 365 Backup goes into preview, I look at the solution and whether you need a separate backup of your cloud data. Plus, changes to WSUS and new Windows Autopatch feature… Continue reading Microsoft 365 Backup – Is Your Cloud Data Secure?→

How to Use PowerShell If Statements to Add Conditional Logic to Your Scripts

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PowerShell is a powerful scripting language for many reasons. One such reason is its support for conditional logic, which can help you supercharge your PowerShell scripts to make them even more efficient and effective. In this article, I’m going to teach you how to use If, Else, and Elseif conditional logic and explain how this…

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[SANS ISC] Deobfuscation of Malware Delivered Through a .bat File

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Today, I published the following diary on isc.sans.edu: “Deobfuscation of Malware Delivered Through a .bat File“: I found a phishing email that delivered a RAR archive (password protected). Inside the archive, there was a simple .bat file (SHA256: 57ebd5a707eb69dd719d461e1fbd14f98a42c6c3dcb8505e4669c55762810e70) with the following name: “SRI DISTRITAL – DPTO DE COBRO -SRI

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All About PowerShell Attacks: The No. 1 ATT&CK Technique

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How do cyber pros prioritize their security efforts? A good place to start is knowing exactly what tactics, techniques and procedures (TTP) threat actors use. In a recently published report, aggregated data was used to identify the most common attack techniques as defined by the MITRE ATT&CK framework. The study revealed that PowerShell Command & […]

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[SANS ISC] Malware Delivered Through .inf File

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Today, I published the following diary on isc.sans.edu: “Malware Delivered Through .inf File“: Microsoft has used “.inf” files for a while. They are simple text files and contain setup information in a driver package. They describe what must be performed to install a driver package on a device. When you

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CISA advisory on LockBit: $91 million extorted from 1,700 attacks since 2020

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FBI, CISA and international organizations released an advisory detailing breadth and depth of LockBit, and how to defend against the most prevalent ransomware of 2022 and (so far) 2023.
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