65 lines
2.6 KiB
Python
65 lines
2.6 KiB
Python
import angr
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import time
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import claripy
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GREEN = "\033[92m"
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PURPLE = "\033[35m"
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RESET = "\033[0m"
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RED = "\033[31m"
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INPUT_DATA = None
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def GetModuleFileNameW(state: angr.SimState):
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global INPUT_DATA, INPUT_SIZE
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INPUT_DATA = state.solver.BVS('input_data', 8 * INPUT_SIZE)
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state.memory.store(state.regs.rbp - 0x228, INPUT_DATA) # [rsp+20h] [rbp-228h] BYREF
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def GetCurrentProcess(state: angr.SimState): pass
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def SetPriorityClass(state: angr.SimState):
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state.regs.eax = claripy.BVV(0, 32)
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if __name__ == "__main__":
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# Загрузка бинарного файла
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print(f"{GREEN}Uploading executable file to angr...{RESET}")
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proj = angr.Project('test4.exe', auto_load_libs=False)
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print(f"{GREEN}The executable has been uploaded to angr!{RESET}")
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ENTRY_POINT = 0x140001000 # Адрес функции main
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TARGET_ADDR = 0x14000107C # Целевой адрес, нахождение на нем означает что программа взломана
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# Хуки
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proj.hook(0x140001026, GetModuleFileNameW, length=5)
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proj.hook(0x14000107C, GetCurrentProcess, length=5)
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proj.hook(0x14000108A, SetPriorityClass, length=5)
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# Перебираем размер входных данных от 1 до 20
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for INPUT_SIZE in range(1, 264+1):
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print(f"{GREEN}Trying input size: {INPUT_SIZE}{RESET}")
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# Создаем начальное состояние
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state = proj.factory.entry_state(
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addr=ENTRY_POINT,
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add_options={angr.options.ZERO_FILL_UNCONSTRAINED_REGISTERS,
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angr.options.ZERO_FILL_UNCONSTRAINED_MEMORY}
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)
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# Инициализация стека
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state.regs.rbp = 0x7ffffffffffffff
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state.regs.rsp = 0x7ffffffffffffff
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# Запуск симуляции
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simgr = proj.factory.simulation_manager(state)
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start_time = time.time()
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simgr.explore(find=TARGET_ADDR)
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elapsed = time.time() - start_time
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# Проверка результата
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if simgr.found:
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found_state = simgr.found[0]
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input_data = found_state.solver.eval(INPUT_DATA, cast_to=bytes)
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print(f"{GREEN}Success cracked! Input: {PURPLE}{input_data}{PURPLE}{RESET}")
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print(f"{GREEN}Pwd cracking time = {elapsed}{RESET}")
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break # Выход из цикла, если найдено решение
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else:
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print(f"{RED}Failed with input size {INPUT_SIZE}{RESET}")
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else:
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print(f"{RED}Failed to find a solution with input sizes from 1 to 20{RESET}") |