Mifd-481-u.part09.rar [ Easy – METHOD ]

import pathlib import sys import hashlib

Forensic Reconstruction and Analysis of Multi‑Part RAR Archives: A Case Study of “MIFD‑481‑u.part09.rar”

out = f"base.reconstructed.rar" concatenate(parts, out) MIFD-481-u.part09.rar

if __name__ == "__main__": main()

print("[*] Whole‑archive SHA‑256:", compute_sha256(out)) out_file): with open(out_file

#!/usr/bin/env python3 """ reconstruct_rar.py Reconstructs a multi‑part RAR archive from sequential .partNN.rar files. """

def compute_sha256(file_path): h = hashlib.sha256() with open(file_path, "rb") as f: for chunk in iter(lambda: f.read(8192), b''): h.update(chunk) return h.hexdigest() Ph.D.² ¹ Department of Computer Science

# Optional: verify per‑segment CRC using `unrar -v` (omitted for brevity)

def concatenate(parts, out_file): with open(out_file, "wb") as out: for p in parts: out.write(p.read_bytes()) print(f"[+] Concatenated len(parts) parts → out_file")

Jane Doe, MSc¹; John Smith, Ph.D.² ¹ Department of Computer Science, University of Somewhere ² Digital Forensics Laboratory, Institute of Cybersecurity

base = sys.argv[1] # e.g., "MIFD-481-u" parts = list_parts(base)