From: Steve Kemp (steve@steve.org.uk)
Date: Fri Feb 13 2004 - 14:43:59 EST
On Fri, Feb 13, 2004 at 03:42:08PM -0000, Karsten Johansson wrote:
> I just did some experimenting with the idea of simply entering an
> ASCII characters as NOP sleds.
Of course to complete the cycle it's possible to write pure
ASCII shellcode, or even shellcode that will pass manipulations
such as being passed through toupper()/tolower().
See for example this page:
http://www.livejournal.com/community/shellcode/1983.html
An entirely ASCII piece of code for writing a message to the
console. (x86 - linux).
Steve
--- # Debian Security Audit Project http://www.steve.org.uk/Debian/ --------------------------------------------------------------------------- Free trial: Astaro Security Linux -- firewall with Spam/Virus Protection Protect your network with the comprehensive security solution that integrates six applications for ease of use and lower TCO. Firewall - Virus protection - Spam protection - URL blocking - VPN - Wireless security. Download 30-day evaluation at: http://www.astaro.com/php/contact/securityfocus.php ----------------------------------------------------------------------------
This archive was generated by hypermail 2.1.7 : Sat Apr 12 2008 - 10:53:48 EDT