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# Challenges

Choose a topic, check the difficulty and work towards your next solve.

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Challenges marked Computer need a terminal or desktop tools.

53 challenges found | filtered

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Crypto Computer: You will analyse downloaded files, which usually needs a computer. Easy

Fingerprint

All you get is the SHA-256 fingerprint of a secret word. Recover the word and wrap it as T43CTF{...}. Source is provided.

75 points 8 solves
Hardware/IoT Computer: You will analyse downloaded files, which usually needs a computer. Easy

Paper Tape

A scan of a strip of punched paper tape, one character per row. The little holes down the middle are just the feed tr...

100 points 7 solves
Web Easy

The Panel

Portalul InvataCyber.ro este în lockdown. Modulul de autentificare se presupune ca a fost dezactivat, iar pagina publ...

100 points 6 solves
Web Easy

The Blog 2

Aceeași redacție, altă problemă. După migrarea de pe vechiul CMS, SSO-ul nu a mai fost configurat pe instanța asta, a...

100 points 1 solves
Web Easy

The Blog 1

The Blog este un blog clasic: câteva articole publicate și un formular de contact deschis oricui. Redacția are un edi...

100 points 1 solves
Crypto Computer: You will analyse downloaded files, which usually needs a computer. Easy

Operațiunea HashXOR

Pe o stație compromisă au fost găsite două fișiere. Descarcă-le din atașamentele provocării. parole.txt conține 100 d...

100 points 8 solves
Misc Computer: You will analyse downloaded files, which usually needs a computer. Easy

Wires

zTXt

50 points 13 solves
Steganography Computer: You will analyse downloaded files, which usually needs a computer. Easy

The Odyssey Compass

Follow the compass to the flag

100 points 9 solves
Steganography Computer: You will analyse downloaded files, which usually needs a computer. Easy

Shaker

Shake that song until the flag falls out. Original sound: https://www.youtube.com/watch?v=1lcc21RQx_A

100 points 4 solves
Steganography Computer: You will analyse downloaded files, which usually needs a computer. Easy

Needle

Have you seen the needle?

100 points 5 solves
Steganography Computer: You will analyse downloaded files, which usually needs a computer. Easy

Metaverse

Is that the metaverse?

50 points 7 solves
Steganography Computer: You will analyse downloaded files, which usually needs a computer. Easy

Hidden in Plain Sight

Just look at that image

100 points 9 solves
Steganography Computer: You will analyse downloaded files, which usually needs a computer. Easy

Genie's Trasure

Find a way to release the Genie and your wish will come true.

100 points 6 solves
Steganography Computer: You will analyse downloaded files, which usually needs a computer. Easy

Curse Hunter (6)

As you stride down the desolate street of the fallen realm, your attention is suddenly captured by an unusual cube si...

50 points 5 solves
Steganography Computer: You will analyse downloaded files, which usually needs a computer. Easy

Curse Hunter (3)

After the brief conversation, you continued your journey to the location. Meanwhile, you noticed that Ijichi had hand...

100 points 5 solves
Steganography Computer: You will analyse downloaded files, which usually needs a computer. Easy

Bytes Explosion

Recover it Password:1234

100 points 7 solves
Reverse Engineering Computer: Solving this needs desktop tools such as a disassembler, debugger or APK decompiler. Easy

SilentRelay

I found a binary run by my cron. What does it exfiltrate?

100 points 2 solves
OSINT Computer: You will analyse downloaded files, which usually needs a computer. Easy

Curse Hunter (1)

You have suddenly found yourself in the fascinating world of Japan. All you can remember is a single word: 'Curse.' A...

100 points 14 solves
Forensics Computer: You will analyse downloaded files, which usually needs a computer. Easy

Mission 1 : Galactic Hunt - The Galactic Password Gambit

In the vast cosmos, you command the starship "CyberSleuth," tasked with tracking down the universe's most elusive vil...

100 points 8 solves
Forensics Computer: You will analyse downloaded files, which usually needs a computer. Easy

Eclairs

I wanna try some eclairs, but I only found some cookies..

50 points 7 solves
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