F5 steganography Tool Use

 

0x00 Preface

today in the experiment, see a picture of the hidden topic, using the stegslove and winHex Analysis of a discovery and there is no effective information. Read the comment area big guy's hint said to use the F5 hidden Writing tool, so Baidu Tutorial used a bit, found that really solved the problem.

Problem Solving Links: http://www.shiyanbar.com/ctf/1938

0x01 F5 Download Installation

F5 implicitly writes the full name f5-steganography, enter the following codeon the kail system command side:

git clone https://github.com/matthewgao/F5-steganography

The above information indicates that the download is complete. After downloading is a folder, such as:

The use of the 0x02 F5 hidden writing tool

I use the image of the experiment to write the picture as an example . F5 Tools.

on the kail command side input:wget http://ctf5.shiyanbar.com/stega/123456.jpg get the picture.

found in folder, downloaded F5 Toolkit, double-click Open, and then right click in the blank to open with terminal.

Enter Java extract/root/123456.jpg-p 123456 in the command window

The resolution is now complete. you can find the FLG directly in the output file in the F5 Toolkit.

F5 steganography Tool Use