-
Notifications
You must be signed in to change notification settings - Fork 524
/
test_symbolic_array.py
201 lines (153 loc) · 7.07 KB
/
test_symbolic_array.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
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
67
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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
#!/usr/bin/env python3
# coding: utf-8
"""Test Symbolic Array."""
import unittest
from triton import *
class TestSymbolicArray(unittest.TestCase):
"""Testing symbolic array."""
def setUp(self):
self.ctx = TritonContext(ARCH.X86_64)
self.ctx.setMode(MODE.MEMORY_ARRAY, True)
self.ctx.setMode(MODE.SYMBOLIZE_LOAD, True)
self.ctx.setMode(MODE.SYMBOLIZE_STORE, True)
def test_1(self):
code = [
b"\x48\xc7\xc0\x00\x10\x00\x00", # mov rax, 0x1000
b"\x48\xc7\xc3\x32\x00\x00\x00", # mov rbx, 0x32
b"\xc7\x04\x18\xad\xde\x00\x00", # mov dword ptr [rax + rbx], 0xdead
b"\x48\x81\xf6\xef\xbe\x00\x00", # xor rsi, 0xbeef
b"\x48\x8b\x0e", # mov rcx, [rsi]
b"\x48\x81\xf9\xad\xde\x00\x00", # cmp rcx, 0xdead
]
self.ctx.symbolizeRegister(self.ctx.registers.rsi, 's_rsi')
for op in code:
i = Instruction(op)
self.ctx.processing(i)
zf = self.ctx.getRegisterAst(self.ctx.registers.zf)
m = self.ctx.getModel(zf == 1)
self.assertEqual(m[0].getValue(), 0xaedd)
def test_2(self):
code = [
(1, b"\x48\xc7\xc0\x00\x10\x00\x00"), # mov rax, 0x1000
(2, b"\x48\xc7\xc3\x32\x00\x00\x00"), # mov rbx, 0x32
(3, b"\xc7\x04\x18\xad\xde\x00\x00"), # mov dword ptr [rax + rbx], 0xdead
(4, b"\x48\x8b\x0e"), # mov rcx, [rsi]
(5, b"\x48\x81\xf9\xad\xde\x00\x00"), # cmp rcx, 0xdead
]
self.ctx.symbolizeRegister(self.ctx.registers.rsi, 's_rsi')
for _, op in code:
i = Instruction(op)
self.ctx.processing(i)
zf = self.ctx.getRegisterAst(self.ctx.registers.zf)
m = self.ctx.getModel(zf == 1)
self.assertEqual(m[0].getValue(), 0x1032)
def test_3(self):
code = [
(1, b"\x48\xc7\xc0\x00\x10\x00\x00"), # mov rax, 0x1000
(2, b"\x48\xc7\xc3\x32\x00\x00\x00"), # mov rbx, 0x32
(3, b"\x89\x34\x18"), # mov dword ptr [rax + rbx], esi
(4, b"\x8b\x0c\x18"), # mov ecx, dword ptr [rax + rbx]
(5, b"\x48\x81\xf9\xad\xde\x00\x00"), # cmp rcx, 0xdead
]
self.ctx.symbolizeRegister(self.ctx.registers.rsi, 's_rsi')
for i, op in code:
inst = Instruction(op)
self.ctx.processing(inst)
zf = self.ctx.getRegisterAst(self.ctx.registers.zf)
m = self.ctx.getModel(zf == 1)
self.assertEqual(m[0].getValue(), 0xdead)
def test_4(self):
code = [
(1, b"\x48\xc7\xc0\x00\x10\x00\x00"), # mov rax, 0x1000
(2, b"\x48\xc7\xc3\x32\x00\x00\x00"), # mov rbx, 0x32
(3, b"\x89\x34\x18"), # mov dword ptr [rax + rbx], esi
(4, b"\x8b\x0c\x18"), # mov ecx, dword ptr [rax + rbx]
(5, b"\x48\x81\xf9\xad\xde\x00\x00"), # cmp rcx, 0xdead
]
self.ctx.symbolizeRegister(self.ctx.registers.rsi, 's_rsi')
for i, op in code:
if i == 4:
self.ctx.concretizeMemory(0x1032)
inst = Instruction(op)
self.ctx.processing(inst)
zf = self.ctx.getRegisterAst(self.ctx.registers.zf)
m = self.ctx.isSat(zf == 1)
self.assertEqual(m, False)
def test_5(self):
code = [
(1, b"\x48\xc7\xc0\x00\x10\x00\x00"), # mov rax, 0x1000
(2, b"\x48\xc7\xc3\x32\x00\x00\x00"), # mov rbx, 0x32
(3, b"\x89\x34\x18"), # mov dword ptr [rax + rbx], esi
(4, b"\x8b\x0c\x18"), # mov ecx, dword ptr [rax + rbx]
(5, b"\x48\x81\xf9\xad\xde\x00\x00"), # cmp rcx, 0xdead
]
self.ctx.setConcreteRegisterValue(self.ctx.registers.rsi, 0xdeae)
self.ctx.symbolizeRegister(self.ctx.registers.rsi, 's_rsi')
for i, op in code:
if i == 4:
self.ctx.concretizeMemory(0x1033)
inst = Instruction(op)
self.ctx.processing(inst)
zf = self.ctx.getRegisterAst(self.ctx.registers.zf)
m = self.ctx.isSat(zf == 1)
self.assertEqual(m, True)
def test_6(self):
code = [
b"\x48\x8b\x3e", # mov rdi, [rsi]
b"\x81\xff\x44\x33\x22\x11", # cmp edi, 0x11223344
]
self.ctx.symbolizeRegister(self.ctx.registers.rsi, 's_rsi')
self.ctx.setConcreteMemoryAreaValue(0x1000, b"\x99\x88\x77\x66\x55\x44\x33\x22\x11\x00\xaa\xbb\xcc")
for op in code:
inst = Instruction(op)
self.ctx.processing(inst)
zf = self.ctx.getRegisterAst(self.ctx.registers.zf)
m = self.ctx.getModel(zf == 1)
self.assertEqual(m[0].getValue(), 0x1005)
def test_7(self):
code = [
b"\x8b\x3e", # mov edi, dword ptr [rsi]
]
self.ctx.setConcreteRegisterValue(self.ctx.registers.rsi, 0x1005)
self.ctx.setConcreteMemoryAreaValue(0x1000, b"\x99\x88\x77\x66\x55\x44\x33\x22\x11\x00\xaa\xbb\xcc")
for op in code:
inst = Instruction(op)
self.ctx.processing(inst)
edi = self.ctx.getRegisterAst(self.ctx.registers.edi)
self.assertEqual(edi.evaluate(), 0x11223344)
def test_8(self):
self.ctx.setConcreteMemoryAreaValue(0x1000, b"\x99\x88\x77\x66\x55\x44\x33\x22\x11\x00\xaa\xbb\xcc")
value = self.ctx.getSymbolicMemoryValue(0x1000)
self.assertEqual(value, 0x99)
value = self.ctx.getSymbolicMemoryValue(MemoryAccess(0x1000, 4))
self.assertEqual(value, 0x66778899)
def test_9(self):
self.ctx.setMode(MODE.CONSTANT_FOLDING, True)
self.ctx.setConcreteRegisterValue(self.ctx.registers.rdi, 0x1000)
self.ctx.symbolizeRegister(self.ctx.registers.rsi)
inst = Instruction(b"\x48\x89\x37") # mov [rdi], rsi
self.ctx.processing(inst)
x = self.ctx.getSymbolicMemory(0x1000)
self.assertEqual(str(x), "(define-fun ref!9 () (Array (_ BitVec 64) (_ BitVec 8)) (store ref!8 (_ bv4096 64) ((_ extract 7 0) ref!0))) ; Byte reference - MOV operation")
x = self.ctx.getMemoryAst(MemoryAccess(0x1000, 1))
self.assertEqual(str(x), "(select ref!9 (_ bv4096 64))")
x = self.ctx.getSymbolicMemory()
self.assertEqual(len(x), 8) # 8 bytes
sym = self.ctx.isMemorySymbolized(0x1000)
self.assertTrue(sym)
sym = self.ctx.isMemorySymbolized(0x1008)
self.assertFalse(sym)
def test_10(self):
self.ctx.setConcreteRegisterValue(self.ctx.registers.rdi, 0x1000)
self.ctx.setConcreteRegisterValue(self.ctx.registers.rsi, 0xdeadbeef)
self.ctx.symbolizeRegister(self.ctx.registers.rsi)
inst = Instruction(b"\x48\x89\x37") # mov [rdi], rsi
self.ctx.processing(inst)
x = self.ctx.getSymbolicMemory(0x1000)
self.assertEqual(x.getAst().evaluate(), 0xef)
x = self.ctx.getMemoryAst(MemoryAccess(0x1000, 1))
self.assertEqual(x.evaluate(), 0xef)
x = self.ctx.getMemoryAst(MemoryAccess(0x1000, 2))
self.assertEqual(x.evaluate(), 0xbeef)
x = self.ctx.getMemoryAst(MemoryAccess(0x1000, 4))
self.assertEqual(x.evaluate(), 0xdeadbeef)