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Author Topic: Simple yet useful virus  (Read 29076 times)

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Offline DJ Omnimaga

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Re: Simple yet useful virus
« Reply #15 on: October 28, 2010, 09:42:15 pm »
Ah right I forgot that worked too. I wonder if it's even longer when all values are different?
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Offline Scipi

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Re: Simple yet useful virus
« Reply #16 on: October 28, 2010, 09:46:32 pm »
Quote from: JustCause on October 28, 2010, 06:43:00 pm
Code: [Select]
:999->dim(L1
:Fill(0,L1
:SortD(L1
Disables ON for quite a long time. Colloquially known as the "Bunny Virus."

I am infamous at my school for this. No one wants to let me borrow their calc. Though now they let me since I can pretend my nspire is broken cause the screen doesn't display.
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Late last night, Quebec was invaded by a group calling themselves, "Omnimaga". Not much is known about these mysterious people except that they all carried calculators of some kind and they all seemed to converge on one house in particular. Experts estimate that the combined power of their fabled calculators is greater than all the worlds super computers put together. The group seems to be holding out in the home of a certain DJ_O, who the Omnimagians claim to be their founder. Such power has put the world at a standstill with everyone waiting to see what the Omnimagians will do...

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In the wake of these events, we can only ask, Why? Why do these people make these demands, what caused them to gather, and what are their future plans...

Offline calcdude84se

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Re: Simple yet useful virus
« Reply #17 on: October 30, 2010, 06:13:56 pm »
On the TI-81, it was worse: no command can be broken by pressing [ON]. For example, if you try to evaluate
Code: [Select]
sin(sin(sin(sin(sin(sin(sin(sin(sin(sin(sin(sin(9001you'll be waiting a while since you can't interrupt it.
« Last Edit: October 30, 2010, 06:14:10 pm by calcdude84se »
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Offline thepenguin77

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Re: Simple yet useful virus
« Reply #18 on: October 30, 2010, 07:48:44 pm »
This is the longest non assembly way to put a calculator out of commission.

On the home screen:
"GarbageCollect [enter]
ans+ans [enter][enter][enter][enter]... repeat until error memory
[2nd][STO]ans[enter]

This lasts about 5 minutes. The best is then the person will press clear, which will take another 5 minutes. They should have pressed enter and just gotten ERR:SYNTAX.
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Offline DJ Omnimaga

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Re: Simple yet useful virus
« Reply #19 on: October 31, 2010, 03:22:29 am »
Quote from: calcdude84se on October 30, 2010, 06:13:56 pm
On the TI-81, it was worse: no command can be broken by pressing [ON]. For example, if you try to evaluate
Code: [Select]
sin(sin(sin(sin(sin(sin(sin(sin(sin(sin(sin(sin(9001you'll be waiting a while since you can't interrupt it.
wow really? I didn't notice that. Good thing ON break still works for other stuff, tho, else I would have lost Illusiat 81 often. X.x


Quote from: thepenguin77 on October 30, 2010, 07:48:44 pm
This is the longest non assembly way to put a calculator out of commission.

On the home screen:
"GarbageCollect [enter]
ans+ans [enter][enter][enter][enter]... repeat until error memory
[2nd][STO]ans[enter]

This lasts about 5 minutes. The best is then the person will press clear, which will take another 5 minutes. They should have pressed enter and just gotten ERR:SYNTAX.
That reminds me when I tried to archive the "#" program (I think) once, back when MirageOS still showed them in the menu if they contained ":" at the start. I did 2nd then ENTER and it took several minutes to scroll through junk. X.x My calc crashed afterward, of course. :P
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Offline calcdude84se

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Re: Simple yet useful virus
« Reply #20 on: October 31, 2010, 08:23:00 pm »
Yeah. You can break between commands in a program just fine, but the line itself is unbreakable.
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Offline Xeda112358

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Re: Simple yet useful virus
« Reply #21 on: November 04, 2010, 03:15:30 am »
Quote from: yunhua98 on October 28, 2010, 04:50:17 pm
Its machine code for simulating pulling a battery.  along with C8

ironically, C4 works too.  XD
Using C4 is a Call and it will use the next two bytes in memory to jump to. This could be very bad.
C7 is rst 00h, so it doesn't do much harm
C8 is ret z so it doesn't properly exit
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Offline gangsterveggies

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Re: Simple yet useful virus
« Reply #22 on: November 09, 2010, 05:12:14 pm »
All this virus talk is making me hungry. The C7 thing... pure evil genius!
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Offline Munchor

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Re: Simple yet useful virus
« Reply #23 on: November 09, 2010, 05:14:51 pm »
Quote from: gangsterveggies on November 09, 2010, 05:12:14 pm
All this virus talk is making me hungry. The C7 thing... pure evil genius!

Code: [Select]
.FM2010
Pause 0
Pause 0
Pause 0
Pause 0
Pause 0

Evil Genius ;)
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Re: Simple yet useful virus
« Reply #24 on: November 09, 2010, 05:18:20 pm »
Asm(ED54 in a axe program

...on an Nspire only :P
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Offline gangsterveggies

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Re: Simple yet useful virus
« Reply #25 on: November 09, 2010, 05:20:54 pm »
I did it to a friend that's always nagging me about not being able to do a cool virus in a calculator and he freaked out... now his ok... I guess
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Offline Xeda112358

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Re: Simple yet useful virus
« Reply #26 on: November 09, 2010, 05:21:11 pm »
Nice. That is all I can say. If you want an assembly code for fun... EF104510FB Just be warned that you have to pull out your batteries and you will get a RAM clear...
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Offline Munchor

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Re: Simple yet useful virus
« Reply #27 on: November 09, 2010, 05:21:44 pm »
Asm(EF104510FB)

Try everyone, very cool!
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Offline Xeda112358

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Re: Simple yet useful virus
« Reply #28 on: November 09, 2010, 05:23:08 pm »
I'm glad you like! I can come up with a bajillion other fun things like that... Maybe a bunch of 1's and 0's ?
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Offline DJ Omnimaga

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Re: Simple yet useful virus
« Reply #29 on: November 09, 2010, 11:54:44 pm »
What does those do? Do they just freeze/crash and RAM clear or do they do funky stuff before crashing/freezing?
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