Re: PPC OSX Shellcode ASM

[KF <dotslash () snosoft com>]

Nice paper... even though you reference Ghandi at the bottom you may 
wanna give specific credit to him for your null free technique...

        ;; Use the magic offset constant 268 because it makes the
       ;; instruction encodings null-byte free.
        addi    r31, r31, 268+36
        addi    r3, r31, -268   ; r3 = path


http://www.dopesquad.net/security/shellcode/ppc/execve_binsh.s

And If I remember correctly that army.mil webserver is a m68k not ppc...
-KF


> llo there,
>                 Please find attached my paper
> on designing shellcodes on the PowerPc architecture.
>
> The paper outlines PowerPC architecture fundementals,
> and methods of deriving working shellcodes for the
> exploitation of vulnerabilities discovered on the OSX
> and Darwin Operating Systems.
>
> Very sorry if this considered OFF TOPIC please excuse.
>
> Kind Regards
>
>         B-r00t.

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