metasploit-framework/lib/msf/base/sessions/meterpreter.rb

154 lines
2.8 KiB
Ruby

require 'msf/base'
require 'rex/post/meterpreter'
module Msf
module Sessions
###
#
# This class represents a session compatible interface to a meterpreter server
# instance running on a remote machine. It provides the means of interacting
# with the server instance both at an API level as well as at a console level.
#
###
class Meterpreter < Rex::Post::Meterpreter::Client
#
# The meterpreter session is interactive
#
include Msf::Session
include Msf::Session::Interactive
include Msf::Session::Comm
#
# Initializes a meterpreter session instance using the supplied rstream
# that is to be used as the client's connection to the server.
#
def initialize(rstream)
super
#
# Initialize the meterpreter client
#
self.init_meterpreter(rstream)
#
# Create the console instance
#
self.console = Rex::Post::Meterpreter::Ui::Console.new(self)
end
#
# Returns the session type as being 'meterpreter'.
#
def self.type
"meterpreter"
end
##
#
# Msf::Session overrides
#
##
#
# Returns the session description.
#
def desc
"Meterpreter"
end
#
# Calls the class method.
#
def type
self.class.type
end
##
#
# Msf::Session::Interactive implementors
#
##
#
# Initializes the console's I/O handles.
#
def init_ui(input, output)
console.init_ui(input, output)
console.set_log_source(log_source)
super
end
#
# Resets the console's I/O handles.
#
def reset_ui
console.unset_log_source
console.reset_ui
end
#
# Run the supplied command as if it came from suer input.
#
def queue_cmd(cmd)
console.queue_cmd(cmd)
end
#
# Interacts with the meterpreter client at a user interface level.
#
def _interact
# Call the console interaction subsystem of the meterpreter client and
# pass it a block that returns whether or not we should still be
# interacting. This will allow the shell to abort if interaction is
# canceled.
console.interact { self.interacting != true }
# If the stop flag has been set, then that means the user exited. Raise
# the EOFError so we can drop this bitch like a bad habit.
raise EOFError if (console.stopped? == true)
end
##
#
# Msf::Session::Comm implementors
#
##
#
# Creates a connection based on the supplied parameters and returns it to
# the caller. The connection is created relative to the remote machine on
# which the meterpreter server instance is running.
#
def create(param)
sock = nil
# Notify handlers before we create the socket
notify_before_socket_create(self, param)
case param.proto
when 'tcp'
sock = net.socket.create(param)
else
raise Rex::UnsupportedProtocol.new(param.proto), caller
end
# Notify now that we've created the socket
notify_socket_created(self, sock, param)
# Return the socket ot the caller
sock
end
protected
attr_accessor :rstream, :console # :nodoc:
end
end
end