需求：

讀取二進制（bytes）的文件

轉換為十六進制（hex），保存到txt純文本文件里

從純文本文件搜索某個字符串，如ffff00

無需安裝第三方庫，使用內置庫binascii即可

• analysis.py

#!/usr/bin python3 # -*- coding: utf-8 -*-import binasciidef analysis(bin_path: str, out_txt_path: str):with open(bin_path, 'rb') as f:# 讀取全部行all_data = f.readlines()with open(out_txt_path, 'a+') as new_f:for i in all_data:# 二進制（bytes）類型轉換成十六進制類型hex_str = binascii.b2a_hex(i).decode('unicode_escape')# 以str格式逐行寫入到文本new_f.write(str(hex_str) + '\n')print("解析完成")if __name__ == '__main__':input_file_path = "./kill.bin"out_file_path = "./hex_of_kill.txt"analysis(input_file_path, out_file_path)

• find.py

#!/usr/bin python3 # -*- coding: utf-8 -*-def search(txt_path: str, key_word: str, target_segment_length: int):target_txt_dict = {}target_result_list = []state = Falsewith open(txt_path) as f:for index, line in enumerate(f.readlines()):if key_word in line:target_txt_dict[index + 1] = linestate = True# print(target_txt_dict)if not state:print(f"未在文件中發現{key_word}")else:for k, v in target_txt_dict.items():if v.find(key_word) != -1:find_start_index = 0while 1:target_txt_index = v.find(key_word, find_start_index)segment_start_index = target_txt_index + len(key_word)target_data = v[segment_start_index:segment_start_index + target_segment_length]target_result_list.append(target_data)find_start_index = segment_start_indexif v.find(key_word, find_start_index) == -1:breakprint(target_result_list)print("查找完成")if __name__ == '__main__':search_txt = 'ffff00'file_path = "./hex_of_kill.txt"search(file_path, search_txt, 16)

總結

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