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How do we crash systems, browsers, or otherwise bring things to a halt, and how do we protect those things? 
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Taking down webpages the elegant way
Posted by: Torstein
Date: December 19, 2006 02:24PM

So... I have an idea.

Say you want to take down google.com, which has huge amounts of bandwidth available (or should have, anyway), you'd have trouble using normal methods.

And if you happen to be a virus/worm writer, you could just include some input from http://google.com and eval the input. If the worm/virus is spread enough, there would be quite a pressure on google to replace their index.

Or what do you think?

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Re: Taking down webpages the elegant way
Posted by: rsnake
Date: December 19, 2006 03:07PM

They'd probably look for referrer and block on that or something equally trivial. I wrote something on this a while back that might give you a little more bang for your buck: http://ha.ckers.org/blog/20060816/dosing-search-engines/

- RSnake
Gotta love it. http://ha.ckers.org

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Re: Taking down webpages the elegant way
Posted by: j-hc
Date: January 18, 2007 04:01AM

so say for example somone wanted to take down myspace for some reason, what would they have to do? find errors and holes in their systems or secirity? i dare say myspace would have very good secirity...

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Re: Taking down webpages the elegant way
Posted by: lobas
Date: January 18, 2007 09:11AM

you could easily open a site with an iframe 100k times and refresh meta tag or grab a large file x amount of times

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Re: Taking down webpages the elegant way
Posted by: rsnake
Date: January 21, 2007 09:16PM

Grabbing large files won't cut it. They will get cached. You need to perform intense and/or unique actions. Things that cannot be cached or are intentionally not cached (like search engine hits).

- RSnake
Gotta love it. http://ha.ckers.org

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Re: Taking down webpages the elegant way
Posted by: banshee
Date: July 05, 2007 11:38PM

Just tell your bot not to send a referrer or cache stuff. Also, replacing their index would be trivial and it probably wouldn't DOS them since they have so much bandwidth. As for MySpace(tm) being secure, heh. ACTION wonders how many people break it every day.

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Re: Taking down webpages the elegant way
Posted by: rsnake
Date: July 09, 2007 06:40PM

I didn't mean cached by the robot, I meant cached by any caching proxies which are used heavily for large files in companies of any size and potentially the webserver itself.

- RSnake
Gotta love it. http://ha.ckers.org

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Re: Taking down webpages the elegant way
Posted by: chronicburst
Date: February 08, 2009 10:04AM

Well if doing anything involving google just watch your back. They know whats going on. I have a cousin who works on the project and thats all I can say but the NSA and google work very, very close. Thats all I got to say. Moreover... Later! Im Hungary and horny, babes comming over!

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Re: Taking down webpages the elegant way
Posted by: Cagekicker
Date: April 22, 2009 11:49AM

chronicburst Wrote:
-------------------------------------------------------
Thats all I got to say. Moreover... Later!
> Im Hungary and horny, babes comming over!


Translation: Pizza being delivered and pr0n being streamed...lol
Sorry, couldn't help it. :)

--------------------------------------------------------
Regarding gun carry laws: I'd rather be judged by 12 than carried by six...



Edited 1 time(s). Last edit at 04/22/2009 11:49AM by Cagekicker.

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Re: Taking down webpages the elegant way
Posted by: thrill
Date: April 22, 2009 12:40PM

lol!

--thrill

---

It is not the degrees you hold, but the mind you possess. - thrill

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Re: Taking down webpages the elegant way
Posted by: asterx
Date: May 27, 2009 01:13PM

can u give some DDoS bots or some software that can do that ?

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Re: Taking down webpages the elegant way
Posted by: Spyware
Date: May 28, 2009 12:20PM

asterx Wrote:
-------------------------------------------------------
> can u give some DDoS bots or some software that
> can do that ?

...

Get out.

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