Stack Based Buffer Overflow Tutorial 1
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Uploaded by sig111immense on Apr 12, 2010
This is the first video tutorial in the buffer overflow series...
This is very simple and almost will never be found this easy in real life situations however, the concept is good to grasp to advance onto further techniques which will enable you to exploit more complex programs in no time at all...!
you should have an understanding of C programming lanugage and assembly language and how the stack is laid out and little endian systems...
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Uploader Comments (sig111immense)
All Comments (32)
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sorry bro but you need to actually talk over the video instead of having gay ass music lol
its more educational that way
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I can't help but notice you started as root... Could you do the same thing as a lower-level user?
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nice.. now a viedo about fuzzing... and we're all set, eh? ;)
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@NoShit12 no sure i'm not even the uploader. sig111immense is
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how do you calculate the address "0xbfff2dc"?
king5201 9 months ago
@king5201 what do you mean by calculate? and if you mean the part where your subtracting the NOP bits, then putting it in little endian is the way.. \xdc\xf2\xff\xbf
sig111immense 9 months ago
will you decipher the ...::: OnyxCode :::...
OnyxCode 11 months ago
@OnyxCode check ur profile
sig111immense 11 months ago
For anyone wondering, what he did at the end was set the suid bit. Basically, when the program runs, it normally runs as the owner of the file (in this case root but not always). This is common for programs such as passwd (to change your password). The passwd program edits /etc/passwd even when run by a normal user. On the other hand, if this program was a network program, you could use something similar to connect via the network to get a shell as the user who is running the program.
wolfricacc 1 year ago
@wolfricacc thanks for that :) a good explanation for those who were curious :)
sig111immense 1 year ago