# The decrypted content is often a zip file or raw ext4 image # Try to detect ZIP header if decrypted[:2] == b'PK': output_zip = os.path.join(output_dir, 'extracted.zip') with open(output_zip, 'wb') as out: out.write(decrypted) print(f"[+] Extracted as ZIP: output_zip") # Attempt to unzip automatically import zipfile with zipfile.ZipFile(output_zip, 'r') as zip_ref: zip_ref.extractall(output_dir) print(f"[+] Unzipped contents to output_dir") else: # Assume it's an ext4 image output_img = os.path.join(output_dir, 'system.img') with open(output_img, 'wb') as out: out.write(decrypted) print(f"[+] Extracted as raw image: output_img") def extract_zte_ozip(input_path, output_dir): """Extract ZTE-specific OZIP (simpler header removal).""" with open(input_path, 'rb') as f: # ZTE OZIP has a 4-byte header 'ZTE\x00' then raw data header = f.read(4) if header != b'ZTE\x00': raise ValueError("Not a ZTE OZIP file") data = f.read()
# Often just raw ext4 or sparse image output_img = os.path.join(output_dir, 'system.img') with open(output_img, 'wb') as out: out.write(data) print(f"[+] Extracted ZTE OZIP to: output_img") Main function ------------------------------------------------------------ def main(): if len(sys.argv) < 2: print("Usage: ozip_extractor.py <input.ozip> [output_directory]") print("\nExample: ozip_extractor.py firmware.ozip ./extracted") sys.exit(1) ozip extractor tool
| Tool | Platform | Notes | |------|----------|-------| | ) | Windows GUI | Best for Asus | | ozip2img (Linux) | Command line | Supports ZTE | | Firmware Extractor (Android app) | Android | Extracts on-device | Troubleshooting | Error | Solution | |-------|----------| | Not a valid OZIP file | File may be corrupted or from an unsupported OEM. | | unsupported OZIP variant | Try changing XOR_KEY or search for a device-specific extractor. | | MemoryError | File is too large; modify script to use chunked reading. | This complete text provides everything needed to understand, run, and troubleshoot an OZIP Extractor Tool. # The decrypted content is often a zip
output_dir = sys.argv[2] if len(sys.argv) > 2 else "ozip_output" Path(output_dir).mkdir(parents=True, exist_ok=True) | This complete text provides everything needed to
#!/usr/bin/env python3 """ OZIP Extractor Tool v1.0 Author: Open Source Purpose: Extract .ozip firmware files from Asus, ZTE, and similar Android devices. """ import sys import os import struct import zlib from pathlib import Path Configuration ------------------------------------------------------------ OZIP_MAGIC = b'OZIP' # Common OZIP file signature XOR_KEY = 0x6D # Typical obfuscation key (may vary)
input_file = sys.argv[1] if not os.path.exists(input_file): print(f"[-] File not found: input_file") sys.exit(1)
# Check magic if data[:4] != OZIP_MAGIC: raise ValueError("Not a valid OZIP file")