Bach_guitar.rar

Check for DTMF tones (phone keypad sounds) that might represent a code. The flag is usually hidden in one of three ways:

A text file named flag.txt extracted from the image. Bach_Guitar.rar

The challenge is a forensics and steganography-themed Capture The Flag (CTF) task. It typically involves investigating an archive containing audio or image files related to classical music (specifically Bach) to find a hidden flag. 1. Initial Analysis File Type: .rar archive. Check for DTMF tones (phone keypad sounds) that

g., HackTheBox, PicoCTF, or a private lab) to give you the exact flag? Bach_Guitar.rar

Checking the of the .rar file itself (using exiftool ).

Use strings to look for readable text at the end of the file. Inspect the LSB (Least Significant Bit) using zsteg . Open the file in Audacity .

Looking for a in the archive (using 7z l -slt Bach_Guitar.rar ).