mcscCTFMiscellaneousCTFWriteup
mcscCTF: πππππ
2025-08-25β’Athul Prakash NJ (@psychoSherlock)
πππππ - Miscellaneous Challenge
Challenge Overview
Category: Miscellaneous
Difficulty: Easy
Skills Required: File Metadata Analysis, EXIF Data Extraction
Description
Is he nodding to the beat or the beat nodding to him πππππ
This peculiar file with an unusual extension might seem like nothing special at first glance, but hidden within its metadata lies a secret message. The rhythmic emoji in the title might just be hinting at something more than meets the eye.
Files Provided
All challenge files can be downloaded from the GitHub Repository
Hints
Sometimes what you're looking for isn't in the content itself, but in the details surrounding it.
Solution
Analysis Approach
- The challenge involves investigating a file with an unusual extension and emoji filename
- The file's content isn't as important as its metadata
- Using EXIF data extraction tools reveals hidden information in the file's metadata
- The flag is stored in the file's Comment field
Metadata Extraction
# Use exiftool to extract metadata from the file
βββ(psychosherlockγΏfsociety)-[~/β¦/labs/mcscCTF25/misc/wtf]
ββ$ exiftool π.wtf
ExifTool Version Number : 13.10
File Name : π.wtf
Directory : .
File Size : 8.5 MB
File Modification Date/Time : 2025:08:23 02:40:53+05:30
File Access Date/Time : 2025:08:25 11:2
....
.....
Comment : mcsc{n0d_of_the_ring}
.....
....
Flag
mcsc{n0d_of_the_ring}
Author
Created by psychoSherlock
GitHub Repository: View Challenge on GitHub