[Full-disclosure] Re: alpha numeric exploitation

From: Berend-Jan Wever (berendjanwever_at_gmail.com)
Date: 05/30/05

  • Next message: Luigi Auriemma: "[Full-disclosure] Crash in Stronghold 2 1.2" 
    Date: Mon, 30 May 2005 12:46:14 +0200
To: full-disclosure@lists.grok.org.uk

    > I'm trying to develop an alphanumeric payload that needs to do a JMP -600
    bytes...
    ALPHA2 encodes shellcode to alphanumeric, unicode alphanumeric, uppercase
    alphanumeric and uppercase unicode alphanumeric.
    http://www.edup.tudelft.nl/~bjwever/documentation_alpha2.html.php
    You can download the source and compile it or use the online version.
    > Beyond that, I'd be extremely surprised if someone hasn't written
    > tutorials on doing alphanumeric-only payloads,
    Writing ia32 alphanumeric shellcodes by rix:
    http://www.phrack.org/show.php?p=57&a=15
    Building IA32 'Unicode-Proof' Shellcodes by obscou:
    http://www.phrack.org/show.php?p=61&a=11
    Writing IA32 Restricted Instruction Set Shellcode Decoder Loops by SkyLined
    http://www.edup.tudelft.nl/~bjwever/whitepaper_shellcode.html.php
    > if not even provided toolkits to take arbitrary code and "ASCII-fy" it.
    See ALPHA2.
    > Would dissembler do what you want? It should be able to squeeze the
    > ascii shellcode for you ;-)
    Nice tool ;) But printable characters are not all alphanumeric characters.
     Cheers,
    SkyLined 

    -- 
Berend-Jan Wever <berendjanwever@gmail.com>
http://www.edup.tudelft.nl/~bjwever

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