示例#1
0
 def test_constructor(self):
     """Check opcode informations."""
     inst1 = Instruction()
     inst2 = Instruction(b"\xc3")
     inst3 = Instruction(0x1000, b"\xc3")
     self.assertEqual(inst1.getOpcode(), b"")
     self.assertEqual(inst1.getAddress(), 0)
     self.assertEqual(inst2.getOpcode(), b"\xc3")
     self.assertEqual(inst2.getAddress(), 0)
     self.assertEqual(inst3.getOpcode(), b"\xc3")
     self.assertEqual(inst3.getAddress(), 0x1000)
示例#2
0
def run(pc, seed):
    global seeds
    while pc:
        if pc in seeds and seeds[pc] == 0:
            print("get one")
            seeds[pc] = seed

        flag = 0

        # Build an instruction
        inst = Instruction()

        # Setup opcode
        opcode = Triton.getConcreteMemoryAreaValue(pc, 16)

        inst.setOpcode(opcode)
        inst.setAddress(pc)

        arr = [elem.encode("hex") for elem in inst.getOpcode()]
        if arr[:4] == ['f3', '0f', '1e', 'fa']:
            pc += 4
            continue
        if arr[:3] == ['0f', '01', 'd0']:
            pc += 3
            continue
        if arr[0] == 'f4':
            print("abort")
            break

        # Setup Address

        Triton.processing(inst)

        # hookingHandler(Triton)
        pc = Triton.getConcreteRegisterValue(Triton.registers.rip)
        for seedr in seeds.values():
            if seedr == 0:
                flag = 1
                break
        if flag == 0:
            break
示例#3
0
class TestInstruction(unittest.TestCase):

    """Testing the Instruction class."""

    def setUp(self):
        """Define and process the instruction to test."""
        self.Triton = TritonContext()
        self.Triton.setArchitecture(ARCH.X86_64)
        self.inst = Instruction()
        self.inst.setOpcode("\x48\x01\xd8")  # add rax, rbx
        self.inst.setAddress(0x400000)
        self.Triton.setConcreteRegisterValue(self.Triton.registers.rax, 0x1122334455667788)
        self.Triton.setConcreteRegisterValue(self.Triton.registers.rbx, 0x8877665544332211)
        self.Triton.processing(self.inst)

    def test_address(self):
        """Check instruction current and next address."""
        self.assertEqual(self.inst.getAddress(), 0x400000)
        self.assertEqual(self.inst.getNextAddress(), 0x400003)

    def test_memory(self):
        """Check memory access."""
        self.assertListEqual(self.inst.getLoadAccess(), [])
        self.assertListEqual(self.inst.getStoreAccess(), [])
        self.assertFalse(self.inst.isMemoryWrite())
        self.assertFalse(self.inst.isMemoryRead())

    def test_registers(self):
        """Check register access."""
        self.assertEqual(len(self.inst.getReadRegisters()), 2, "access RAX and RBX")
        self.assertEqual(len(self.inst.getWrittenRegisters()), 8, "write in RAX, RIP, AF, XF, OF, PF, SF and ZF")

    def test_taints(self):
        """Check taints attributes."""
        self.assertFalse(self.inst.isTainted())

    def test_prefix(self):
        """Check prefix data."""
        self.assertFalse(self.inst.isPrefixed())
        self.assertEqual(self.inst.getPrefix(), PREFIX.INVALID)

    def test_control_flow(self):
        """Check control flow flags."""
        self.assertFalse(self.inst.isControlFlow(), "It is not a jmp, ret or call")
        self.assertFalse(self.inst.isBranch(), "It is not a jmp")

    def test_condition(self):
        """Check condition flags."""
        self.assertFalse(self.inst.isConditionTaken())

    def test_opcode(self):
        """Check opcode informations."""
        self.assertEqual(self.inst.getOpcode(), "\x48\x01\xd8")
        self.assertEqual(self.inst.getType(), OPCODE.ADD)

    def test_thread(self):
        """Check threads information."""
        self.assertEqual(self.inst.getThreadId(), 0)

    def test_operand(self):
        """Check operand information."""
        self.assertEqual(len(self.inst.getOperands()), 2)
        self.assertEqual(self.inst.getOperands()[0].getName(), "rax")
        self.assertEqual(self.inst.getOperands()[1].getName(), "rbx")
        with self.assertRaises(Exception):
            self.inst.getOperands()[2]

    def test_symbolic(self):
        """Check symbolic information."""
        self.assertEqual(len(self.inst.getSymbolicExpressions()), 8)

    def test_size(self):
        """Check size information."""
        self.assertEqual(self.inst.getSize(), 3)

    def test_disassembly(self):
        """Check disassembly equivalent."""
        self.assertEqual(self.inst.getDisassembly(), "add rax, rbx")
示例#4
0
def run(pc, seed):
    global flagr
    prev=None
    prevpc=0
    while pc:
        inst = Instruction()

        # Setup opcode
        opcode = Triton.getConcreteMemoryAreaValue(pc, 16)

        inst.setOpcode(opcode)
        inst.setAddress(pc)
        arr = [elem.encode("hex") for elem in inst.getOpcode()]


        Triton.processing(inst)
        if pc==0x403cec:
            print("new ok")

        if prevpc not in visited_branch and prev!=None and prev.isBranch():
            visited_branch.add(prevpc)
            print("new branch "+str(hex(prevpc)))
            break
        prev=inst
        prevpc=pc


        print("inst: "+str(inst))

        if arr[:4] == ['f3', '0f', '1e', 'fa']:
            pc += 4
            continue
        if arr[:3] == ['0f', '01', 'd0']:
            pc += 3
            continue
        if arr[0] == 'f4':
            print("abort")
            break

        if arr[0] == 'e8':
            offset = 0
            offset += int(arr[4], 16)
            offset = offset << 8
            offset += int(arr[3], 16)
            offset = offset << 8
            offset += int(arr[2], 16)
            offset = offset << 8
            offset += int(arr[1], 16)
            faddr = offset + pc + 5
            faddr = faddr & 0xffffffff

            # print(str(hex(pc))+ " calling "+str(hex(faddr)))

            try:
                printf_addr = gbinary.get_function_address("printf")
                if printf_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fprintf_addr = gbinary.get_function_address("fprintf")
                if fprintf_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fread_addr = gbinary.get_function_address("fread")
                if fread_addr == faddr:
                    adr = Triton.getConcreteRegisterValue(Triton.registers.rdi)
                    num = Triton.getConcreteRegisterValue(
                        Triton.registers.rsi
                    ) * Triton.getConcreteRegisterValue(Triton.registers.rdx)
                    for i in range(num):
                        if adr + i not in seed:
                            # Triton.symbolizeMemory(MemoryAccess(adr + i, 1))
                            seed[adr + i] = 0
                    pc += 5

                    Triton.setConcreteRegisterValue(Triton.registers.rax, num)
                    continue
            except:
                pass

            try:
                fseek_addr = gbinary.get_function_address("fseek")
                if fseek_addr == faddr:
                    Triton.setConcreteRegisterValue(Triton.registers.rax, 0)
                    pc += 5
                    continue
            except:
                pass
        pc = Triton.getRegisterAst(Triton.registers.rip).evaluate()
    return seed
示例#5
0
文件: locate.py 项目: xsuler/seedgen
def run(pc, func_spec, seed):
    global addrs
    flag = 0
    while pc:
        inst = Instruction()

        # Setup opcode
        opcode = Triton.getConcreteMemoryAreaValue(pc, 16)

        inst.setOpcode(opcode)
        inst.setAddress(pc)
        arr = [elem.encode("hex") for elem in inst.getOpcode()]
        if arr[:4] == ['f3', '0f', '1e', 'fa']:
            pc += 4
            continue
        if arr[:3] == ['0f', '01', 'd0']:
            pc += 3
            continue
        if arr[0] == 'f4':
            print("abort")
            break

        if arr[0] == 'e8':
            offset = 0
            offset += int(arr[4], 16)
            offset = offset << 8
            offset += int(arr[3], 16)
            offset = offset << 8
            offset += int(arr[2], 16)
            offset = offset << 8
            offset += int(arr[1], 16)
            faddr = offset + pc + 5
            faddr = faddr & 0xffffffff

            try:
                fclose_addr = gbinary.get_function_address("fclose")
                if fclose_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fgets_addr = gbinary.get_function_address("fgets")
                if fgets_addr == faddr:
                    adr = Triton.getConcreteRegisterValue(Triton.registers.rdi)
                    num = Triton.getConcreteRegisterValue(Triton.registers.rsi)
                    for i in range(num):
                        if adr + i not in seed:
                            seed[adr + i] = 0

                    pc += 5
                    continue
            except:
                pass

            try:
                fread_addr = gbinary.get_function_address("fread")
                if fread_addr == faddr:
                    adr = Triton.getConcreteRegisterValue(Triton.registers.rdi)
                    num = Triton.getConcreteRegisterValue(
                        Triton.registers.rsi
                    ) * Triton.getConcreteRegisterValue(Triton.registers.rdx)
                    for i in range(num):
                        if adr + i not in seed:
                            print("new fread")
                            seed[adr + i] = 0

                    pc += 5
                    continue
            except:
                pass

            try:
                printf_addr = gbinary.get_function_address("printf")
                if printf_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fprintf_addr = gbinary.get_function_address("fprintf")
                if fprintf_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

        if arr[0] == 'e8' and flag == 0:
            offset = 0
            offset += int(arr[4], 16)
            offset = offset << 8
            offset += int(arr[3], 16)
            offset = offset << 8
            offset += int(arr[2], 16)
            offset = offset << 8
            offset += int(arr[1], 16)
            addr = offset + pc + 5
            addr = addr & 0xffffffff

            if addr in func_spec:
                last_op = addr
                if func_spec[addr][0] in ["==", ">=", "<="]:
                    Triton.setConcreteRegisterValue(Triton.registers.rax,
                                                    func_spec[addr][1])
                if func_spec[addr][0] == '>':
                    Triton.setConcreteRegisterValue(Triton.registers.rax,
                                                    func_spec[addr][1] + 1)
                if func_spec[addr][0] == '!=':
                    Triton.setConcreteRegisterValue(Triton.registers.rax,
                                                    func_spec[addr][1] + 1)
                if func_spec[addr][0] == '<':
                    Triton.setConcreteRegisterValue(Triton.registers.rax,
                                                    func_spec[addr][1] - 1)
                flag = 1
                pc += 5
                continue
        Triton.processing(inst)

        gflag = 0
        for addr in func_spec:
            if addr not in addrs:
                gflag = 1
                break
        if gflag == 0:
            break

        if flag == 2:
            addrs[last_op] = pc
            flag = 0
        if flag == 1:
            if inst.isBranch():
                flag = 2

        # hookingHandler(Triton)
        pc = Triton.getConcreteRegisterValue(Triton.registers.rip)
示例#6
0
文件: locate.py 项目: xsuler/seedgen
def runR(pc, binary):
    seed = {}
    while pc:
        # Build an instruction
        inst = Instruction()

        # Setup opcode
        opcode = Triton.getConcreteMemoryAreaValue(pc, 16)

        inst.setOpcode(opcode)
        inst.setAddress(pc)

        arr = [elem.encode("hex") for elem in inst.getOpcode()]
        # endbr64
        if arr[:4] == ['f3', '0f', '1e', 'fa']:
            pc += 4
            continue
        if arr[:3] == ['0f', '01', 'd0']:
            pc += 3
            continue
        if arr[0] == 'f4':
            print("abort")
            break

        if arr[0] == 'e8':
            offset = 0
            offset += int(arr[4], 16)
            offset = offset << 8
            offset += int(arr[3], 16)
            offset = offset << 8
            offset += int(arr[2], 16)
            offset = offset << 8
            offset += int(arr[1], 16)
            faddr = offset + pc + 5
            faddr = faddr & 0xffffffff
            print(str(hex(pc)) + " calling: " + str(hex(faddr)))

            try:
                fclose_addr = binary.get_function_address("fclose")
                if fclose_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fgets_addr = binary.get_function_address("fgets")
                if fgets_addr == faddr:
                    adr = Triton.getConcreteRegisterValue(Triton.registers.rdi)
                    num = Triton.getConcreteRegisterValue(Triton.registers.rsi)
                    for i in range(num):
                        seed[adr + i] = 0

                    pc += 5
                    continue
            except:
                pass

            try:
                fread_addr = binary.get_function_address("fread")
                if fread_addr == faddr:
                    print("fread at " + str(hex(pc)))
                    adr = Triton.getConcreteRegisterValue(Triton.registers.rdi)
                    num = Triton.getConcreteRegisterValue(
                        Triton.registers.rsi
                    ) * Triton.getConcreteRegisterValue(Triton.registers.rdx)
                    for i in range(num):
                        seed[adr + i] = 0

                    pc += 5
                    continue
            except:
                pass
            try:
                printf_addr = binary.get_function_address("printf")
                if printf_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fprintf_addr = binary.get_function_address("fprintf")
                if fprintf_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

        Triton.processing(inst)

        # Setup Address

        # hookingHandler(Triton)
        pc = Triton.getConcreteRegisterValue(Triton.registers.rip)
    return seed
示例#7
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class TestInstruction(unittest.TestCase):

    """Testing the Instruction class."""

    def setUp(self):
        """Define and process the instruction to test."""
        self.Triton = TritonContext()
        self.Triton.setArchitecture(ARCH.X86_64)
        self.inst = Instruction()
        self.inst.setOpcode(b"\x48\x01\xd8")  # add rax, rbx
        self.inst.setAddress(0x400000)
        self.Triton.setConcreteRegisterValue(self.Triton.registers.rax, 0x1122334455667788)
        self.Triton.setConcreteRegisterValue(self.Triton.registers.rbx, 0x8877665544332211)
        self.Triton.processing(self.inst)

    def test_address(self):
        """Check instruction current and next address."""
        self.assertEqual(self.inst.getAddress(), 0x400000)
        self.assertEqual(self.inst.getNextAddress(), 0x400003)

        inst = Instruction()
        inst.setAddress(-1)
        self.assertEqual(inst.getAddress(), 0xffffffffffffffff)

        inst.setAddress(-2)
        self.assertEqual(inst.getAddress(), 0xfffffffffffffffe)

        inst.setAddress(-3)
        self.assertEqual(inst.getAddress(), 0xfffffffffffffffd)

    def test_memory(self):
        """Check memory access."""
        self.assertListEqual(self.inst.getLoadAccess(), [])
        self.assertListEqual(self.inst.getStoreAccess(), [])
        self.assertFalse(self.inst.isMemoryWrite())
        self.assertFalse(self.inst.isMemoryRead())

    def test_registers(self):
        """Check register access."""
        self.assertEqual(len(self.inst.getReadRegisters()), 2, "access RAX and RBX")
        self.assertEqual(len(self.inst.getWrittenRegisters()), 8, "write in RAX, RIP, AF, XF, OF, PF, SF and ZF")

    def test_taints(self):
        """Check taints attributes."""
        self.assertFalse(self.inst.isTainted())

    def test_prefix(self):
        """Check prefix data."""
        self.assertFalse(self.inst.isPrefixed())
        self.assertEqual(self.inst.getPrefix(), PREFIX.X86.INVALID)

    def test_control_flow(self):
        """Check control flow flags."""
        self.assertFalse(self.inst.isControlFlow(), "It is not a jmp, ret or call")
        self.assertFalse(self.inst.isBranch(), "It is not a jmp")

    def test_condition(self):
        """Check condition flags."""
        self.assertFalse(self.inst.isConditionTaken())

    def test_opcode(self):
        """Check opcode informations."""
        self.assertEqual(self.inst.getOpcode(), b"\x48\x01\xd8")
        self.assertEqual(self.inst.getType(), OPCODE.X86.ADD)

    def test_thread(self):
        """Check threads information."""
        self.assertEqual(self.inst.getThreadId(), 0)

    def test_operand(self):
        """Check operand information."""
        self.assertEqual(len(self.inst.getOperands()), 2)
        self.assertEqual(self.inst.getOperands()[0].getName(), "rax")
        self.assertEqual(self.inst.getOperands()[1].getName(), "rbx")
        with self.assertRaises(Exception):
            self.inst.getOperands()[2]

    def test_symbolic(self):
        """Check symbolic information."""
        self.assertEqual(len(self.inst.getSymbolicExpressions()), 8)

    def test_size(self):
        """Check size information."""
        self.assertEqual(self.inst.getSize(), 3)

    def test_disassembly(self):
        """Check disassembly equivalent."""
        self.assertEqual(self.inst.getDisassembly(), "add rax, rbx")
示例#8
0
def run(pc, seed):
    global seeds
    while pc:
        if pc in seeds and seeds[pc] == 0:
            print("get one")
            seeds[pc] = seed

        flag = 0

        # Build an instruction
        inst = Instruction()

        # Setup opcode
        opcode = Triton.getConcreteMemoryAreaValue(pc, 16)

        inst.setOpcode(opcode)
        inst.setAddress(pc)

        arr = [elem.encode("hex") for elem in inst.getOpcode()]
        if arr[:4] == ['f3', '0f', '1e', 'fa']:
            pc += 4
            continue
        if arr[:3] == ['0f', '01', 'd0']:
            pc += 3
            continue
        if arr[0] == 'f4':
            print("abort")
            break
        if arr[0] == 'e8':
            offset = 0
            offset += int(arr[4], 16)
            offset = offset << 8
            offset += int(arr[3], 16)
            offset = offset << 8
            offset += int(arr[2], 16)
            offset = offset << 8
            offset += int(arr[1], 16)
            faddr = offset + pc + 5
            faddr = faddr & 0xffffffff

            try:
                fclose_addr = binary.get_function_address("fclose")
                if fclose_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fgets_addr = binary.get_function_address("fgets")
                if fgets_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fread_addr = binary.get_function_address("fread")
                if fread_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fprintf_addr = binary.get_function_address("printf")
                if fprintf_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

            try:
                fprintf_addr = binary.get_function_address("fprintf")
                if fprintf_addr == faddr:
                    pc += 5
                    continue
            except:
                pass

        # Setup Address

        Triton.processing(inst)
        print(str(hex(pc)) + " path: " + str(Triton.getPathConstraints()))

        # hookingHandler(Triton)
        pc = Triton.getConcreteRegisterValue(Triton.registers.rip)
        for seedr in seeds.values():
            if seedr == 0:
                flag = 1
                break
        if flag == 0:
            break