Information

Description

Files can always be changed in a secret way. Can you find the flag? cat.jpg

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Steps :

╰─❯ exiftool image.jpg                                                       
ExifTool Version Number         : 13.10
File Name                       : image.jpg
Directory                       : .
File Size                       : 878 kB
File Modification Date/Time     : 2025:02:13 03:34:22+05:30
File Access Date/Time           : 2025:02:13 03:36:12+05:30
File Inode Change Date/Time     : 2025:02:13 03:36:09+05:30
File Permissions                : -rw-r--r--
File Type                       : JPEG
File Type Extension             : jpg
MIME Type                       : image/jpeg
JFIF Version                    : 1.02
Resolution Unit                 : None
X Resolution                    : 1
Y Resolution                    : 1
Current IPTC Digest             : 7a78f3d9cfb1ce42ab5a3aa30573d617
Copyright Notice                : PicoCTF
Application Record Version      : 4
XMP Toolkit                     : Image::ExifTool 10.80
License                         : cGljb0NURnt0aGVfbTN0YWRhdGFfMXNfbW9kaWZpZWR9
Rights                          : PicoCTF
Image Width                     : 2560
Image Height                    : 1598
Encoding Process                : Baseline DCT, Huffman coding
Bits Per Sample                 : 8
Color Components                : 3
Y Cb Cr Sub Sampling            : YCbCr4:2:0 (2 2)
Image Size                      : 2560x1598
Megapixels                      : 4.1

so under liscene cGljb0NURnt0aGVfbTN0YWRhdGFfMXNfbW9kaWZpZWR9 is the flag. decrypt it using base64

╰─❯ echo "cGljb0NURnt0aGVfbTN0YWRhdGFfMXNfbW9kaWZpZWR9" | base64 -d          ─╯
picoCTF{the_m3tadata_1s_modified}%