148 lines
4.0 KiB
Python
148 lines
4.0 KiB
Python
#!/usr/bin/env python3
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"""
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解密游戏的 Main.swf 文件
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基于反编译得到的 BinaryEncrypt 类逻辑
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"""
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import sys
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def conversion_key(key_str):
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"""转换密钥字符串为数组"""
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key_str = key_str.strip('-')
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return [int(x) for x in key_str.split('-')]
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def recover_swf_header(data):
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"""恢复 SWF 文件头"""
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data[0] = 67 # 'C'
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data[1] = 87 # 'W'
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data[2] = 83 # 'S'
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return data
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def remove_random_bytes(data, key_length):
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"""移除随机字节"""
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data_length = len(data)
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result_length = data_length - key_length * 2
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# 从 key_length 位置开始读取 result_length 字节
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result = bytearray(data[key_length:key_length + result_length])
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return result
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def un_split_join_swf(data, key_array):
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"""反分割合并 SWF"""
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key_length = len(key_array)
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data_length = len(data)
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remainder = data_length % key_length
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chunk_size = data_length // key_length
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# 分割数据
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chunks = [None] * key_length
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for i in range(key_length):
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start = i * chunk_size
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end = start + chunk_size
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chunks[key_array[i]] = bytearray(data[start:end])
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# 获取余数部分
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remainder_data = bytearray(data[data_length - remainder:])
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# 重新组合
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result = bytearray(data_length)
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for i in range(key_length):
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chunk = chunks[i]
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start = i * chunk_size
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result[start:start + chunk_size] = chunk
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# 添加余数部分
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result[data_length - remainder:] = remainder_data
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return result
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def decrypt_swf(encrypted_data, key_str):
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"""解密 SWF 文件"""
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print(f"🔐 开始解密...")
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print(f" 密钥: {key_str}")
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print(f" 加密文件大小: {len(encrypted_data)} 字节")
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# 转换密钥
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key_array = conversion_key(key_str)
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print(f" 密钥数组: {key_array}")
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# 反分割合并
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print(f" 步骤1: 反分割合并...")
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data = un_split_join_swf(encrypted_data, key_array)
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# 移除随机字节
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print(f" 步骤2: 移除随机字节...")
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data = remove_random_bytes(data, len(key_array))
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# 恢复 SWF 文件头
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print(f" 步骤3: 恢复 SWF 文件头...")
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data = recover_swf_header(data)
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print(f"✅ 解密完成！")
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print(f" 解密文件大小: {len(data)} 字节")
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return bytes(data)
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def main():
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print("🎮 游戏 SWF 解密工具")
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print("="*60)
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if len(sys.argv) < 2:
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print("用法: python3 decrypt_swf.py <加密的SWF文件>")
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print("\n步骤:")
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print("1. 下载加密的 Main.swf:")
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print(" curl http://47.121.191.22:8012/swf13/Main.swf?verson=jz -o Main_encrypted.swf")
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print("\n2. 解密:")
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print(" python3 decrypt_swf.py Main_encrypted.swf")
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print("\n3. 用 JPEXS 打开解密后的文件:")
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print(" Main_decrypted.swf")
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sys.exit(1)
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input_file = sys.argv[1]
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output_file = input_file.replace('.swf', '_decrypted.swf')
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# 从反编译得到的密钥
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key = "0-1-2-3-4-5-9-8-7-6"
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print(f"📂 输入文件: {input_file}")
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print(f"📂 输出文件: {output_file}")
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try:
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# 读取加密文件
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with open(input_file, 'rb') as f:
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encrypted_data = f.read()
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# 解密
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decrypted_data = decrypt_swf(encrypted_data, key)
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# 保存解密文件
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with open(output_file, 'wb') as f:
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f.write(decrypted_data)
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print(f"\n{'='*60}")
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print(f"✅ 解密成功！")
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print(f"📁 解密文件已保存: {output_file}")
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print(f"\n💡 下一步:")
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print(f" 用 JPEXS 打开 {output_file}")
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print(f" 查找所有的 API 调用和 GM 命令")
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print(f"{'='*60}")
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except FileNotFoundError:
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print(f"❌ 文件不存在: {input_file}")
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sys.exit(1)
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except Exception as e:
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print(f"❌ 解密失败: {e}")
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import traceback
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traceback.print_exc()
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sys.exit(1)
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if __name__ == "__main__":
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main()
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