PowerShell one liner to ping sweep a range of IPv4 addresses

I was in London a couple of weeks ago on an ethical hacking training course. It was very interesting subject matter, and our instructor mentioned his increasing interest in PowerShell for scripting. It chimed with me, as I’m finding PowerShell to be a very useful technology for a wide range of tasks.

One of the useful capabilities of PowerShell is the interactive shell, and the opportunity to quickly develop scripts that automate a laborious task.

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PowerShell Threats Grow Further and Operate in Plain Sight — Symantec

https://www.symantec.com/blogs/threat-intelligence/powershell-threats-grow-further-and-operate-plain-sight

Malicious PowerShell attacks increased by 661 percent from the last half of 2017 to the first half of 2018, and doubled from the first quarter to the second of 2018.

There are some good guides from the major security vendors on the risks of PowerShell exploitation. No solution is complete, but some sensible steps can be taken.