Net send all command!

Whenever we wanted to not do any work, we'd unplug one of the BNC connectors on the 10BASE2 network, leave it 30 seconds and reconnect.

This would typically take the whole network down - which was typically just the two classes currently taking an IT lesson, as there were only the two rooms which had computers.

By the time the IT people knew about it, we'd reconnected the disconnected cable, and no trace could be found...
 
Ah net send :)

Used to use this for lols at my old work (as recently as 2010 though!). We used to send messages to a colleague with stuff like "To assist us testing a network upgrade, we request all users to refrain from using the space bar for 1 hour. Thankyou, IT support" etc etc, then listen to all his 'WTF!' 'stupid IT' etc etc. Then we got told off for juvenile use of net send :(

We did other fun stuff to him like taking a screen shot of his desktop and making it into a powerpoint presentation - one slide the screenshot and one slide the screenshot up-side-down. Then play the presentation fullscreen on loop. He comes back to his desk, sees what looks like normal desktop, has working mouse pointer, but every click simply flips the desktop :) Endless fun.
 
We spent most of "IT" classes writing text-based games, while the Business Studies teacher got herself off on making colourful graphs in Excel. Surprisingly though the network security wasn't bad.
 
Pre XP I sent a command when at school to all users at logon that said something like "P*** off". Problem was, it showed the username it was sent from. Got a day's suspension :/
 
Burnsy2023 said:
No, not really.

I've also worked on the other side of the fence and it's genuinely quite amusing to see what people do when they think they're being clever.

That said, I was a little **** at school when it came to computer security and had way more access than I ever should have. But we live and learn and eventually grow up.
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Lol :rolleyes:
 
Liampope said:
We did other fun stuff to him like taking a screen shot of his desktop and making it into a powerpoint presentation - one slide the screenshot and one slide the screenshot up-side-down. Then play the presentation fullscreen on loop. He comes back to his desk, sees what looks like normal desktop, has working mouse pointer, but every click simply flips the desktop :) Endless fun.
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That's actually pretty funny!
 
this is by no means by clever computing but, in our IT class we pranked a mate by when windows boots it would open loads of webbrowsers and set the homepage to p***.com then the wave of ads opened even more windows and it kept multiplying, teacher came over to see his pc, he was trying to close one at a time lol, got caught and was like "IT ISN'T ME SIR" :D
 
Burnsy2023 said:
I'm pretty sure that any user that executes it locally or remotely will need local admin rights, so this wouldn't work. You'd just get an access denied message.
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shutdown.exe doesn't need elevated priveledges, I used to have a shortcut in my quick launch at school that I used to use to log off.
 
Ah the days of breaking school computers.

Brb running a batch file that creates a text file which gets filled with crap until it fills up the hard drive
 
Mate in school looked over the Tech guys shoulder when he typed the domain admin password into his PC.

A few days later, using these credentials starts watching pron off his usb stick ... the teacher had some software to watch what students were doing in their classroom and there it was, projected onto a whiteboard, some bloke smashing a fat woman for all to see :D
 
I'm enjoying the shutdown command disguised as a chrome icon. I may have to add that shortcut to a few mate's startup folders :)
 
Black Dynamite said:
Mate in school looked over the Tech guys shoulder when he typed the domain admin password into his PC.

A few days later, using these credentials starts watching pron off his usb stick ... the teacher had some software to watch what students were doing in their classroom and there it was, projected onto a whiteboard, some bloke smashing a fat woman for all to see :D
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Genuinely laughing hard with this :-D

Oh the days of college.. and the mischief we got up to. Hacking the printer servers and running as them :-D Sending a load of random files onto a mates PC so that he was unable to log in (no space in account). Lots of other silly things in the days we thought we were heroes and the net admins clueless (they probably were fully aware!)
 
Burnsy2023 said:
Really? Sending a shutdown command requires local admin rights. How did you get them?
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Couldn't tell you RE School, college we were all on lab machine and servers anyway so we could do what ever including permissions during our learning.

Uni I was obviously too grown up to mess about :p
 
Burnsy2023 said:
No, you need elevated rights to execute that command on a remote machine (and even the local one IIRC). You can't run it on any old machine without specific account privileges.

And shutdown -a would stop it. That's what you had to do when you had the MS Blaster malware.
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I messed around with this in school and you could definitely run it without special privileges.
I did it by making a desktop shortcut to shutdown.exe, then put it in a shared folder with a tempting name ("free xxx" or something like that).
 
We did loads of stuff to the school computers actually.

I remember when we discovered that our IT teacher's password was "wizard". So my friend went into the IT room during lunch and just logged off a student who had been working on his coursework for the past hour. Without saving.

Then the old "stick a house key into the USB slot to shut down someone's PC instantly".

I once showed someone that you can use a magnet to distort CRT screens, he immediately rubs one right up against the screen for a while and leaves it with a big brown burn mark in the centre.

Oh and my favourite, I managed to install a cracked copy of Midtown Madness 2 onto a USB stick, gave everyone a copy and we spent our IT lessons for the rest of the year playing MM2 with the ethernet cable unplugged so the teacher couldn't remote shutdown.

Good times.
 
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