The flag is typically found inside a .txt file within the archive or hidden within an image's metadata (EXIF) if an image was the only content extracted. FLAG{...} or CTF{...}
Generate a SHA-256 hash to ensure the file hasn't been corrupted during transit. POST-09.rar
Use strings POST-09.rar to look for plaintext hints, potential passwords, or suspicious URLs embedded in the metadata. 2. Archive Inspection The flag is typically found inside a