On Windows-based tasks, the flag might be hidden in an NTFS stream associated with the file. 5. Tools Summary Tool Recommended Inspection file , binwalk , strings Hex Editing HxD , 010 Editor Cracking Hashcat , John the Ripper , fcrackzip Extraction 7z , WinRAR , unrar
RAR files allow for "Archive Comments." Clues or encoded strings are often hidden here. task.GOt1k.rar
In a typical CTF scenario, task.GOt1k.rar is presented as a "corrupted" or "locked" evidence file. Digital Forensics / Cryptography / Steganography. On Windows-based tasks, the flag might be hidden