CTF Challenge Platform

Description: Can you see if there's anything interesting about it?

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Description: Did you know that zulu is part of the phonetic alphabet?

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Description: Can you feel the flag. print " [ len(intro.txt) ]" ;

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Description: We've intercepted a Telegram chat that seems to involve the exchange of highly sensitive secrets. But where is the hidden information? We need our best experts to uncover it!

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Description: Cow is our national animal.

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Description: I need some kind of rotation.
bgqampbardy5]2k]hs3r]af1ai5le]2ar5t1]a5d]nj2wcp]f_f_f_{

Description: While digging through a hacker's activity logs, you stumbled upon something unexpected — a Canva design file. Strange choice for a hacker, right? Curiosity got the better of you, and you decided to take a look. Maybe there’s more to this than just graphic design.

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Description: Do you think you can solve this challenge? Have you become lost in your ego? Your ego is in my foot.

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Description: Flag is hidden somewhere in discord server of Attack On Hash Function.

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Description: I am shocked. I was just tapping my mouse clicks. Suddenly these decimals appears.
Note: Message should be in lowercase and space should be replaced by "_".

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Description: Can You escalate the privillege and get the flag. Flag is in home directory of user hacker.
Note: Reversing Docker and Docker Desktop is strictly prohibited

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Description: Can you escalate the privilege and read the file /root/flag.txt ?
Note: Reversing Docker and Docker Desktop is strictly prohibited.

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Description: I can play with bits. Look I know 8 bits = 1 byte

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Description: Can you decode this PowerShell to find the flag? Its in Raw Deflate. Archive password: infected-station

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Description: A user interacted with a suspicious file on one of our hosts. The only thing we managed to grab was the user's registry hive. Are they hiding any secrets?

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Description: Dance in Cyber Security is Dangerous.

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Description: I found an unusual signal on my walkie-talkie. I think someone is trying to communicate. Can you intercept the transmission? I also heard something that sounded like "CCTV" around 9:36 o'clock.

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Description: Mero kaan bigryo jasto xa.. Chasma lagauxu wait!
Note: Flag is case sensitive. Before Uploading flag Please check the flag format below:

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Description: My friend wouldn't shut about his new keyboard, so

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Description: This is a png image. Can you recover the corrupted image and get the flag. Even if you recover the image, you can't get the flag coz its too stepic.

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Description: Can you get my pin?

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Description: There is only one way to hide something in the image.

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Description: I mistakely commited the flag. Can you get the flag.
GitHub Repository

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Description: Flag is hidden somewhere in the fragment of packets.

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Description: Our team has put in a lot of effort developing new features for the flag printing script. I'm curious to see how well they integrate together.

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Description: I've hidden some data using XOR with a single byte, but that byte is a secret. Don't forget to decode from hex first. 73626960647f6b206821204f21254f7d694f7624662065622127234f726927756d

Description: 1100 1111 1110 1111 1100 1111 1100 1010 1001 1110 1011 1010 1010 1001 1110 1011 1001 1100 1100
To prevent industrial espionage, the development team devised their own secret method of communication. By using a custom encoding scheme, they ensured that only insiders could decipher their messages. However, one of their transmissions has been intercepted. Your task is to decode it and reconstruct the flag before it falls into the wrong hands. The flag is basecally in the attachement. To make a complete flag, you must put the result in discordctf{}.
Hint:
Binary is also known as Base 2. This means it is composed of only 0's and 1's. What happen if binary has base 3, base 4 , base 5 and so on.....

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Description: 0e0b213f26041e480b26217f27342e175d0e070a3c5b103e2526217f27342e175d0e077e263451150104
Data is encrypted. Find the key and get the flag.
1 minute , Do you know the basic concept of XOR ??

Description: An elite hacker left behind a cipher.png file on the server. The twist ? It is not what it is

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Description: A football player got injured during the match. The referee immediately made a substitude, bringing Lionel Messi onto the field. His presence instantly shifted the frequency of play, turning the game in a new direction.
Note: Flag text should be in lowercase.

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Description: Guess the number and find the flag.

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Description: Go-based malware is becoming increasingly common, so it's time to level up your Go reverse engineering skills. We've created three simple CrackMe challenges written in Go to help you become a reverse engineering expert.
Archive password: infected

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Description: hmm, looks like some part of flag are missing.

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Description: Invisible forces at play within an ordinary paragraph. The secret lies in the subtle balance between absence and presence. Seek the hidden pattern, and the truth will emerge.

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Description: Is there any nation named as Mystery Nation or There is mysterious mystery behind that mystery.

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Description: The admin portal uses JWT authentication, but the signing key might be exposed somewhere in the API. Can you find it and forge an admin token?

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Description: Give me your name. I wil greet you. Hello Sir
Note: Brute Force is strictly prohibited

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Description: Run the exception and get the flag.
Challenge Instance: Link

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Description: I love baking cookie :3
Challenge Instance: Link

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Description: Welcome to Attack On Hash Function event, the ultimate cybersecurity group! The event's online guestbook lets attendees share their thoughts and hacker profiles. But something's off—rumor has it the guestbook has a flaw that could let you access sensitive data. Your mission: post a message that tricks the admin's browser into revealing a secret. The guestbook has some defenses, but they're not foolproof. Can you bypass them and snag the flag?

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Description: This handsome man is looking at a beautiful woman. The flag is a filename in which the woman face is stored. Use only characters that are at least in 90% visible.

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Description: I'm not sure where I lost my car, but I believe I’ll remember if I can see the original photo again. Can you find it? I only have this photoshopped and cropped version, but I’m confident it contains enough information for an OSINT expert. To prove your success, submit a flag with the Build Number from the EXIF data in the format: osint{Build Number}.

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Description: Mattia said he was feeling a little mischevious today and sent me these photos, can you help me understand what he's up to?

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Description: He was imprisoned in a Soviet labor camp after the Battle of Stalingrad.
Decades later, his name appeared in CIA documents tied to psychological conditioning experiments.
Some say he helped an American operative escape.
But there’s no record of him ever leaving Vorkuta alive.
Stranger still — years later, he was seen on the battlefield……but only by one man.

What was his name?

Description: Shadowed by a giant high and grand,
Clues lie hidden across the land.
Hear the whispers, follow the trail,
Open your mind, don’t let it fail.
On this path, young minds unite,
Learn the secret, find the light.
Note: The flag is not the location shown in the image but somewhere nearby. The riddle is important.

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