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| Subject: | Re: [Full-disclosure] alpha numeric exploitation |
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| Date: | Fri, 27 May 2005 00:08:18 +1200 |
RaMatkal wrote:
I'm trying to develop an alphanumeric payload that needs to do a JMP -600 bytes... Anyone got any ideas how to do this with only alpha numeric chars? 'eb' and 'e9' are obviously out of the question...
Think "encoding/decoding" and "self-modifying". EICAR.COM has been doing it for more than decade to get its INT (cd) op- codes executed, so this is hardly revolutionary new territory... Beyond that, I'd be extremely surprised if someone hasn't written tutorials on doing alphanumeric-only payloads, if not even provided toolkits to take arbitrary code and "ASCII-fy" it. Regards, Nick FitzGerald _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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