Group Policy – PwnDefend

Hunting for New Group Policies Where Scheduled Tasks are…

A common way to deploy an encryption routine used in Ransomware scenarios is to create a scheduled task to launch a cyptor exe. This is commonly deployed via a Group Policy Object (GPO).

So I wanted to look at how with Microsoft Defender for Endpoint (MDE) we could detect this both on domain controllers but also on CLIENT devices (MEMBER SERVERS/PCs)

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Malicious Scheduled Tasks

A very common technique in ransomware scenarios is the deployment of Scheduled Tasks via Group Policy object.

So I thought I’d start to post some content around this. To start with I was looking locally to enable the following:

“Show me all the command lines used in scheduled tasks on Windows with PowerShell”

So I knocked up this really simple proof of concept (there are other ways to write this obvs)