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Mr F is starting a new company named FF.C0, an important and essential image file document is acting weird. He needs your help to help figure it out. A flag maybe your reward!
Author: Ilham
exiftoolをhint.jpegに対して適用すれば、フラグが出てきました。
$ exiftool ./hint.jpg > out.txt | cat out.txt
ExifTool Version Number : 12.30
File Name : hint.jpg
Directory : .
File Size : 50 KiB
File Modification Date/Time : 2022:02:27 23:53:33+09:00
File Access Date/Time : 2022:02:27 23:57:58+09:00
File Inode Change Date/Time : 2022:02:27 23:57:27+09:00
File Permissions : -rw-r--r--
File Type : JPEG
File Type Extension : jpg
MIME Type : image/jpeg
Exif Byte Order : Little-endian (Intel, II)
Orientation : Horizontal (normal)
X Resolution : 96
Y Resolution : 96
Resolution Unit : inches
Y Cb Cr Positioning : Centered
Exif Version : 0210
Components Configuration : Y, Cb, Cr, -
Flashpix Version : 0100
Color Space : Uncalibrated
Exif Image Width : 1920
Exif Image Height : 1080
Ads Created : 2021-12-25
Ads Ext Id : 4e5bc376-1250-4971-aae8-4918738abcfc
Ads Fb Id : 525265914179580
Ads Touch Type : 2
Title : wtfctf{IHDR_h34d3r_w4s_th3_k3y}
Author : Ilham Rahm
Creator Tool : Canva
Image Width : 350
Image Height : 130
Encoding Process : Baseline DCT, Huffman coding
Bits Per Sample : 8
Color Components : 1
Image Size : 350x130
Megapixels : 0.045wtfctf{IHDR_h34d3r_w4s_th3_k3y}