Class: Rex::Proto::SMB::SimpleClient::UnitTest

Inherits:
Test::Unit::TestCase
  • Object
show all
Defined in:
lib/rex/proto/smb/simpleclient.rb.ut.rb

Constant Summary collapse

Klass = 
Rex::Proto::SMB::SimpleClient
DCERPCPacket =

Alias over the Rex DCERPC protocol modules

Rex::Proto::DCERPC::Packet
DCERPCClient = 
Rex::Proto::DCERPC::Client
DCERPCResponse = 
Rex::Proto::DCERPC::Response
DCERPCUUID = 
Rex::Proto::DCERPC::UUID
XCEPT = 
Rex::Proto::SMB::Exceptions
FILE_CREATE = 
0x10
FILE_TRUNC = 
0x02
FILE_OPEN = 
0x01

Instance Method Summary collapse

Instance Method Details

#test_smb_dcerpc ⇒ Object 



68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
 
# File 'lib/rex/proto/smb/simpleclient.rb.ut.rb', line 68

def test_smb_dcerpc
	begin
	Timeout.timeout($_REX_TEST_TIMEOUT) {
	s = Rex::Socket.create_tcp(
		'PeerHost' => $_REX_TEST_SMB_HOST,
		'PeerPort' => 445
	)

	c = Klass.new(s, true)

	user = ''
	pass = ''

	begin
		c.('*SMBSERVER', user, pass)
	rescue XCEPT::LoginError
		flunk('login failure')
	end

	c.connect('IPC$')
	f = c.create_pipe('\BROWSER')

	bind, ctx = DCERPCPacket.make_bind_fake_multi(
		'4b324fc8-1670-01d3-1278-5a47bf6ee188', '3.0',
		10,
		4
	)

	# Evasion techniques:
	# 	1) Write the bind out a few bytes at a time with a random offset
	#	2) Read the response back a few bytes at a time with a random offset

	# Write the bind request out in random chunk sizes
	while (bind.length > 0)
	    f.write( bind.slice!(0, (rand(20)+5)), rand(1024)+1 )
	end

	d = ''
	# Read the response back a few bytes a time
	begin
	    while(true)
		    t = (f.read((rand(20)+5), rand(1024)+1))
			last if ! t.length
			d << t
		end
	rescue XCEPT::NoReply
	end

	r = DCERPCResponse.new(d)
	assert_equal(r.type, 12)
	assert_equal(r.ack_result[ctx-0], 0)
	assert_equal(r.ack_result[ctx-1], 2)

	s.close
	}
	rescue Timeout::Error
		flunk('timeout')
	end
end

#test_smb_open_share ⇒ Object 



26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/rex/proto/smb/simpleclient.rb.ut.rb', line 26

def test_smb_open_share
	user = 'SMBTest'
	pass = 'SMBTest'
	share = 'C$'

	write_data = ('A' * (1024 * 8))
	filename = 'smb_tester.txt'
	begin
	Timeout.timeout($_REX_TEST_TIMEOUT) {
	s = Rex::Socket.create_tcp(
		'PeerHost' => $_REX_TEST_SMB_HOST,
		'PeerPort' => 445
	)

	c = Klass.new(s, true)

	begin
        c.('*SMBSERVER', user, pass)
	rescue XCEPT::LoginError
		flunk('login failure')
	end

	c.connect(share)

	f = c.open(filename, 'rwct')
    f << write_data
	f.close

	f = c.open(filename, 'ro')
    d = f.read()
    f.close

	c.delete(filename)
	c.disconnect(share)

	s.close
	}
	rescue Timeout::Error
		flunk('timeout')
	end
end