Challenges

Little (30pts)
Description

The most annoying thing when teaching beginners pwn...

Attachments

`ftcidne{nna1_sse1_s1ropmtnatfa5_2384...}`

Category

Misc

Author

Eth007

Overlooked (125pts)
Description

A friend of mine sent me this picture of ICTF. Told me there was a package for me, but what could they mean?! It's almost as if the text file is my key.

Attachments

https://imaginary.ml/r/F04A-anew.rar

Category

Forensics

Author

Zyphen

What's a database (125pts)
Description

What's a database? Why don't you store actual information? Why do I need to guess?

Attachments

https://whats-a-database.robinjadoul.repl.co

Category

web

Author

Robin_Jadoul

The GOAT (150pts)
Description

Buffer overflows are overrated. Try to pwn the GOAT's server instead. Connect with `nc stephencurry.ctfchallenge.ga 5001`.

Attachments

https://imaginary.ml/r/E7BF-goat

Category

Pwn

Author

Eth007

lookup-rev (75pts)
Description

This program is too slow, what do I do?

Attachments

https://imaginary.ml/r/E0FA-wpre.py

Category

Reversing

Author

ainz

Spacebar Smasher (150pts)
Description

I hid my flag super deep in this game. Press the spacebar to advance. You'll have to play for days <:rooDevil:783453429938913290> . I challenge you to get the flag! *Note this is NOT a reversing challenge*

Attachments

https://spacebarsmasher.netlify.app/

Category

Misc/Web

Author

Astro

Rotations of a different kind (75pts)
Description

We've had one rotation, yes, but what about another one?

Attachments

`69c6d133b72d9bb172cab52be68e5a3767beb12b668ed7396fe885a396ed9bb97d`

Category

crypto/misc

Author

Robin_Jadoul

Look-For-It (30pts)
Description

Look for `flag.txt` **Note:** This is a very easy 30 point challenge and does not require the use of enumeration tools.

Attachments

http://lookforit.epizy.com/

Category

Web

Author

ainz

Blind Shell (125pts)
Description

Normally once you have a shell, you win. Here, you already start with a shell - can you find your way to the flag?

Attachments

https://imaginary.ml/r/CABD-blind.py, `nc oreos.ctfchallenge.ga 12345`

Category

Misc/Pwn

Author

puzzler7

Optimal RSA (75pts)
Description

You're aware that textbook RSA is actually insecure, right? So anyway, I applied some padding. For even more security, I'm also using SHA512.

Attachments

https://imaginary.ml/r/96A4-output.txt

Category

Crypto

Author

Robin_Jadoul

ReDOS (75pts)
Description

I've made a Super Secure Server(tm) with no vulnerabilities whatsoever. Can you DOS my server to prove me wrong? Note: do **NOT** DDOS the server.

Attachments

`nc oreos.ctfchallenge.ga 1337`, https://imaginary.ml/r/5FC3-redos.py

Category

Reversing/Misc

Author

puzzler7

ImaginaryBot v2 (75pts)
Description

@ImaginaryBot is ok, but @Imaginary Bot(v2) is even better (this is neither an OSINT chall nor an exploitation chall, everything you need to solve the chall can be gotten through commands :wink: )

Attachments

DM @Imaginary Bot (v2) (Do not use the bot in this server)

Category

Misc

Author

Max49

pyrev (50pts)
Description

I think it's time for a `dis.dis()` track...

Attachments

https://imaginary.ml/r/7F0C-out.txt

Category

rev

Author

Robin_Jadoul

sources-adventure-hardened (100pts)
Description

The boss isn't happy that you all were able to retrieve his flag last time. Now, with the new features he's implemented, he's sure no one will ever get his flag now (NOTE: this challenge does not require the use of enumeration tools or injections)

Attachments

https://sources-adventure-hardened.max49.repl.co/

Category

Web

Author

Max49

Camouflage (50pts)
Description

I can't see anything... maybe I need to get glasses. Please put "ictf" before the string you find.

Attachments

https://imaginary.ml/r/BCBE6E1A

Category

Forensics

Author

Artemis37

ret2win (75pts)
Description

Here comes your monthly dose of one easy pwn. Can you reach the `win()` function?

Attachments

https://imaginary.ml/r/C2B3-ret2win `nc stephencurry.ctfchallenge.ga 5000`

Category

pwn

Author

ainz

Salty (70pts)
Description

I like my hashes salty. Like, REALLY salty.

Attachments

https://imaginary.ml/r/FB146915

Category

Reversing

Author

Eth007

Rotations (30pts)
Description

Caesar would be proud.

Attachments

`:4E7L=bED0DEcCE0_FE06K0H`E90D_>60C_EcfPN`

Category

Crypto

Author

Eth007

Sanity Check Round 9 (15pts)
Description

Welcome to Round 9! Download the file to get the flag. You can submit flags with the `.flag ictf{s0me_l33t_str1ng}` command. DM your flags to me, ImaginaryCTF, NOT to the old CTF Challenge Bot. H​​​​‎‌‏​​​​‏​‏​​​​‏‌​​​​​‏‎​​​​​‌‌‍​​​​‏‍‏​​​​‏‍‌​​​​‏‎‍​​​​‏‍​​​​​‏​​​​​​‌‌‍​​​​‏‎​​​​​‏​‏​​​​‏‍‌​​​​‏‎‍​​​​‏‌‎​​​​‏​​​​​​‌‌‍​​​​‎‏‎​​​​‏​‌​​​​‌‌‍​​​​‏​‌​​​​‎‏‍​​​​‏‎​​​​​‏‌​​​​​‏​‌​​​​‏‍‏​​​​‌‌‍​​​​‏‎‌​​​​‏​‏​​​​‎‏‍​​​​‏‍​​​​​‌‌‍​​​​‏‌‎​​​​‎‏‍​​​​‏‎​​​​​‏‎‌​​​​‌‌‍​​​​‏‍‏​​​​‏‍‌​​​​‏‎‍​​​​‏‍​​​​​‏​​​​​​‌‏‌​​​​‌‌‍​​​​‍‏‎​​​​‏​‍​​​​‌‌‍​​​​‏‍​​​​​‏‍‌​​​​‏‎‌​​​​‌‎‏​​​​‌‌‍​​​​‏‎‌​​​​‏​‏​​​​‏​‌​​​​‏‍​​​​​‌‌‍​​​​‏​‍​​​​‏​‌​​​​‏​‌​​​​‏‌‎​​​​‌‌‍​​​​‏​‍​​​​‏‍‏​​​​‏​‌​​​​‏​‌​​​​‌‌‍​​​​‏‎‌​​​​‏‍‌​​​​‌‌‍​​​​‏‎​​​​​‏‍‍​​​​‎‏‍​​​​‏‌‏​​​​‌‌‍​​​​‏‍‍​​​​‏‌​​​​​‏‍​​​​​‏​‎​​​​‌‌‍​​​​‍‎‏​​​​‏‎‌​​​​‏​‏​​​​‌‏‎​​​​‌‏‎​​​​‍‌​​​​​‌‍​​​​​‌‏‎​​​​‍‌‌​​​​‌‏‎​​​​‍​‍​​​​‌‌‍​​​​‏‌​​​​​‏‍​​​​​‌‌‍​​​​‌‍​​​​​‏​‎​​​​‏​‌​​​​‏‍​​​​​‏​‌​​​​‏‍‏​​​​‎‏‍​​​​‏‌‎​​​​‌‌‍​​​​‏‍‌​​​​‏‍​​​​​‌‌‍​​​​‏‎‌​​​​‏​‏​​​​‏​‌​​​​‌‌‍​​​​‏​‍​​​​‏‌​​​​​‏‍‏​​​​‏‎​​​​​‏‎‌​​​​‌‌‍​​​​‏​​​​​​‎‏‍​​​​‏‏‌​​​​‌‌‍​​​​‏‍‌​​​​‏​‍​​​​‌‌‍​​​​‏‎‌​​​​‏​‏​​​​‏​‌​​​​‌‌‍​​​​‏‍​​​​​‏​‌​​​​‏‏​​​​​‏‎‌​​​​‌‌‍​​​​‏‍‏​​​​‏‍‌​​​​‏‎‍​​​​‏‍​​​​​‏​​​​​​‌‏‌ave fun in Round 9! (there is definitely no zero width space steganography in this sentence) <-- not part of the challenge

Attachments

https://imaginary.ml/r/547B44EC

Category

Misc

Author

Board