DawgCTF 2021: Tag, You're It!

Tag, You’re It!

Category: Audio/Radio

chal

100 points

Keeping your music library labeled and organized is like a full time job sometimes.

retaliate.mp3: https://drive.google.com/file/d/1xgCTjoBzydbiURCdMMjxEDMq2i9VN1gX/view?usp=sharing

Author: Noodle

Solution

exiftool retaliate.mp3 
ExifTool Version Number         : 12.16
File Name                       : retaliate.mp3
Directory                       : .
File Size                       : 2.8 MiB
File Modification Date/Time     : 2021:05:08 00:41:42+02:00
File Access Date/Time           : 2021:05:08 00:41:52+02:00
File Inode Change Date/Time     : 2021:05:08 00:41:44+02:00
File Permissions                : rw-r--r--
File Type                       : MP3
File Type Extension             : mp3
MIME Type                       : audio/mpeg
MPEG Audio Version              : 1
Audio Layer                     : 3
Audio Bitrate                   : 128 kbps
Sample Rate                     : 44100
Channel Mode                    : Joint Stereo
MS Stereo                       : On
Intensity Stereo                : Off
Copyright Flag                  : False
Original Media                  : True
Emphasis                        : None
Encoder                         : LAME3.99r
Lame VBR Quality                : 4
Lame Quality                    : 3
Lame Method                     : CBR
Lame Low Pass Filter            : 17 kHz
Lame Bitrate                    : 128 kbps
Lame Stereo Mode                : Joint Stereo
ID3 Size                        : 19325
Picture Format                  : JPG
Picture Type                    : Other
Picture Description             : 
Picture                         : (Binary data 9063 bytes, use -b option to extract)
Title                           : RETALIATE
Artist                          : Sam Gellaitry, Connor Pearson
Band                            : Sam Gellaitry, Connor Pearson
Composer                        : Sam Gellaitry
Album                           : RETALIATE (single)
Track                           : 1/1
Part Of Set                     : 1/1
Year                            : 2015
Beats Per Minute                : 120
Genre                           : Unclassifiable
Lyrics                          : [Verse 1].I don't know what's going on.I'm feeling weak, but I feel so strong.And I won't fight, and I won't run.Don't need a knife, I need a gun.[Bridge].Don't need a knife, I need a gun.[Chorus].Retaliate, retaliate.Retaliate, retaliate.Retaliate, retaliate.[Syllabic improvisation].[Outro].Retaliate.Retaliate.Retaliate.[Syllabic improvisation].[DogeCTF{wr0te_0ut_th3s3_1yrics_by_hand_1ma0}]
Comment                         : Ḑ̶͙̀á̴̡̳͈̏ẃ̸͇͚g̸̭̣̱͂C̵̹̆̂Ṱ̴̡͍̀F̴̻͚͐̿̄{̴̟̃̀̐w̵̺̻͒̔͋h̴̭͛0̵͍̤͒͆͝_̷̟̈́͘̚d̶͙͕͜͝0̶͕͚͎̏̚w̸̦͙̃̽ǹ̷͙͚l̶̛̜̈́0̴̧̱͓͝a̶̘̮͚̿̈́ď̷̡̬́ŝ̴̢͔̌͝ͅ_̶̬̺͛̎̈́ͅm̵̳͗ű̶͎̊s̷̰̀̄͆1̸͕͖̈́c̶͔͆_̷̢̧̔̉̚â̵̙̔ǹ̵̖̦͈̇̿ỵ̴̬̓̔m̸̛͉̩̑0̸̮͓̏̊̀r̴͇͕̈́̄̉3̶̙̭͎͋̚͝?̴͔̟̩͊͛}̴̤̲͂͜
Date/Time Original              : 2015
Duration                        : 0:03:04 (approx)

The flag wasn’t in the obvious Lyric metadata, but in Comment hidden under “messy fonts”.

comment

DawgCTF{wh0_d0wnl0ads_mus1c_anym0r3?}

Flag

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