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Buffer Overflow

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skk

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Joined: Wed May 23, 2012 2:54 pm

Post Tue Jul 03, 2012 1:31 am

Buffer Overflow

HI Guys,

I am preparing for OSCP, i am new to buffer overflow, can someone point out a good ref material on this topic for beginners
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MaXe

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Joined: Tue Aug 17, 2010 9:49 am

Post Tue Jul 03, 2012 7:11 am

Re: Buffer Overflow

Corelan tutorials and of course the PWB course you are doing.
(Link: http://corelan.be/index.php/category/se ... tutorials/ )
I'm an InterN0T'er
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skk

Newbie
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Posts: 2

Joined: Wed May 23, 2012 2:54 pm

Post Tue Jul 03, 2012 7:43 am

Re: Buffer Overflow

yup , i am repeating the videos several times and slowly getting the hang of things now. Thanks for the response.

I will also check the link you mentioned.
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dbest

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Post Sat Jul 07, 2012 12:04 am

Re: Buffer Overflow

@skk - even I struggled with the buffer overflow material of OSCP and wasted most of my lab time.

I finally managed to figure it out when I tested it in my own lab and got a shell on the victim machine. Hence my suggestion, move on with the rest of the course and do not waste your lab time on buffer overflow exploitation. Once your lab time is up, you can focus on testing it locally.
CISM, CEH, CISA, ISO 27001 LA
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cd1zz

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Post Sat Jul 07, 2012 12:34 pm

Re: Buffer Overflow

After you get a feel for how a basic stack overflow works, go to exploit-db and recreate as many exploits as possible. Meaning, down load the vulnerable software, try to find the bug your self and recreate the exploit. It's the best practice you can get.

I also highly recommend downloading "Freefloat FTP Server" there are a hundred buffer overflows in it and its a fantastic way to practice.

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