Using encoders directly

[mmiller at hick.org (mmiller at hick.org)]

On Thu, Dec 21, 2006 at 11:19:56AM -0500, Krpata, Tyler wrote:
> I think this question got lost in my last post, so I thought I'd start a
> new thread about it.
>
> Should I be able to use the encoders in Metasploit directly? What I'd
> like to do is use the Alpha2 encoder something like:
> payload = Rex::Encoder::Alpha2::UnicodeMixed.encode(shellcode,"EBX",0)
>
> The "shellcode" argument in this case is actually the code retrieved
> from the "egghunter" class. 

Apologies for the late reply, I've been out of town.

Right now the API that's exposed to encode arbitrary (non-payload)
buffers isn't very easy to use.  It'd be better if we added a method to
the EncodedPayload class that would allow you to specify a buffer
rather than a payload instance.  With that said, your use of the encode
method looks correct.  Can you include the actual exception message
that's displayed (aside from just the call stack)?  That might help
narrow down a bit more what's going on.