Convincingly “breaking” a system for a non technical user

For various reasons out of scope for Super User, I’ve been tasked with temporarily disabling one of my own systems. I have full admin control and own this system. It’s running Windows 7 SP1. I want to do this right—something believable, deniable and artistic. I took a look at these, but most of them aren’t deniable.

Ideally, I’d like something I can trigger off at a scheduled time, and seem like a hardware error—BSODs, random reboots and the like, or random connectivity issues. I’d also like to be sneaky and not actually be at the system when this happens (I have a few hours to get this working, but I’d rather not actually be at the system when all hell breaks loose). How would I do this? I’d like to get the semblance of random errors, often enough to be annoying, rather than take down the system. I don’t need it to pass muster with a technical user, I just need to have it as annoyingly broken as possible.

How would I do this?

Answer

The command line interface for the DiskCryptor Open source partition encryption software includes a -bsod parameter, the wiki says it will

Erase all keys in memory and generate BSOD

(emphasis mine).

You can use Windows Task Scheduler to schedule its execution at a given time, and it should generate a BSOD as desired. I have not tested this solution, as I am not currently on Windows, but it is stated to work in 32 and 64 bit versions of Windows 2000, XP, Server 2003, Vista, Server 2008, and 7.

But don’t stop at that:

You can use this reboot tool to display custom cryptic-looking messages that ask for a reboot and perform it after X seconds. Set X to a really low value. Set multiple events in the Task Scheduler. Alternatively, use a reboot tool that will display no message, or the builtin shutdown function.

Finally, there is also NotMyFault

Notmyfault is a tool that you can use to crash, hang, and cause kernel memory leaks on your Windows system. It’s useful for learning how to identify and diagnose device driver and hardware problems, and you can also use it to generate blue screen dump files on misbehaving systems.

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