Challenges List
Business Gathering 
25 points
2830 solved
I am a huge cyber security conference that run every year in three places : San Francisco, Singapore and Lately AbuDhabi. Who am I ? No spaces in answering
Level: Basic
Hackers Gathering 25 points
3204 solved
I am a cyber security conference that run in August every year in Las Vegas. I am the largest gathering for Hackers in the whole world. No Credit cards, no online booking , Only Cash allowed . Who am I ?
Level: Easy
Founder 25 points
2497 solved
I have founded two of the most famous Cyber Security conferences across the globe in Las Vegas, USA. I am not The Dark Knight. I am The DarK--------?
Level: Basic
Back to History 25 points
2713 solved
am the First Computer Virus ever known . You will find me in your head . My name is ……..?
Level: Basic
Contribute 25 points
2643 solved
I am an Organization that releases the Top 10 Vulnerabilities in Application Security . I am ……?
Level: Basic
Greeks 50 points
2629 solved
The art of hiding messages or information inside other image / text or data
Level: Easy
Robot 50 points
1981 solved
A group or network of machines that are controlled by an attacker to do a certain task
Level: Easy
Japanese Warrior 50 points
2001 solved
I am a linux distrubition with two versions one for Web Penetration Testing and the other for attacking smart grids. What is my smart grid distribution name ?
Level: Easy
Close Look 100 points
1647 solved
I am a linux distribution that has many tricks to do packet and traffic analysis. Who am I ?
Level: Medium
Pay Me 25 points
2442 solved
I will lock your machine screen or files till you pay me. Who am i ?
Level: Basic
TrendMicro Conference 25 points
1900 solved
Periodic Conference in many cities hosted by Trend Micro
Level: Basic
Admin has the power 50 points
3493 solved
Administrators only has the power to see the flag , can you be one ?
Level: Easy
Cypher Anxiety 50 points
478 solved
An image was leaked from a babies store. the manager is so annoyed because he needs to identify the image to fire charges against the responsible employee. the key is the md5 of the image
Level: Easy
Can You Find Me? 100 points
210 solved
A Cyber criminal is hiding important data. We find this log file.It is highly compressed. Find the attacker's secret.
Level: Medium
LOTR Hero Mania 50 points
705 solved
lord of the rings addict is the user of this application, can you find the creds?, the key is the md5(userpass)
Level: Easy
G&P List 25 points
1375 solved
Just Open the File and Capture the flag . Submission in MD5
Level: Basic
Hidden Message 25 points
1402 solved
A cyber Criminal is hiding information in the below file . capture the flag ? submit Flag in MD5 Format
Level: Basic
Crack the Hash 25 points
2866 solved
A hacker leaked the below hash online.Can you crack it to know the password of the CEO? 1ab566b9fa5c0297295743e7c2a6ec27
Level: Basic
Guess The Password 50 points
2616 solved
A hacker leaked the below hash online.Can you crack it to know the password of the CEO? the flag is the password Hash: 06f8aa28b9237866e3e289f18ade19e1736d809d
Level: Easy
getting started 50 points
942 solved
The correct input is the flag, format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}
Level: Easy
ADSL Modem 100 points
448 solved
After tracking a cyber criminal, We were able to extract this firmware from a DSL modem . Try to find the flag !!!
Level: Medium
Partition Lost 50 points
605 solved
Our Company's CEO had a car accident. His HDD was damaged and he lost all his files and partitions. Can you help him to recover his important data
Level: Easy
This is Sparta 50 points
2598 solved
Morning has broken today they're fighting in the shade when arrows blocked the sun they fell tonight they dine in hell
Level: Easy
Search in Trash 50 points
532 solved
My HDD was destroyed in an accident. However, I was able to recover my recycle bin file . Can you know the flag ?
Level: Easy
Intercept 25 points
750 solved
the attacker intercept information between receiver and sender. what is the attack name ?
Level: Basic
Modify Code 50 points
344 solved
Change code from one form to another to prevent attacker from understanding it
Level: Easy
Get rid of them all 50 points
473 solved
Someone corrupted the file so that we cannot execute it, and we need your help. Obtain the flag ,format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}
Level: Easy
Pure Luck 25 points
424 solved
(1/24) * (1/60) * (1/60) , flag format:flag{xxxxxxxxxxxxxxxxxxxxxxxxx}
Level: Basic
They are many 100 points
74 solved
We need some scripts to help us, can you do it ? format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}
Level: Medium
Hack the App 200 points
124 solved
We extracted this app from an infected device, can you extract the secret hidden inside? Flag format : flag{xxxxxxxxxxxxxxx}
Level: Hard
Rogueone 200 points
103 solved
A pcap which contains communication between the galaxy riots were captured, try to recover their message. Flag format: flag{xxxxxxxxxxxxx} Hint: Some Reversing is needed
Level: Hard
Packet abomination 100 points
356 solved
Someone insisted on exploding the flag in a seriously messed up way, Can you extract the MD5 hash
Level: Medium
Join Team 100 points
698 solved
Flag safe in the server environment , can you reveal it.
Level: Medium
Come Play with me 200 points
18 solved
This strange game can give you the flag, will you play ?
Level: Hard
you_bee_ex 200 points
13 solved
We thought that UPX can undo what it does, but we were wrong...
Level: Hard
Is it really here? 200 points
5 solved
Our tools flagged this file as suspicious, can you know the reason?
Level: Hard
Bruteforce Me 50 points
77 solved
flag format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx},only a-z,0-9,_ are allowed. try to find the only flag that makes sense. Note: no special hardware is required to bruteforce https://www.youtube.com/watch?v=hyk46UmJPS4 this may help you coding the solution. DON'T BRUTEFORCE KEY SUBMISSIONS.
Level: Easy
Files Leakage 100 points
1 solved
A CIA Agent Leaked some files, but can you hear what is beyond the storm ?
Level: Medium
Do you trust senders 50 points
169 solved
Receive malware from a known person. What is the attack type ?
Level: Easy
Functions Everywhere 100 points
151 solved
The flag was transmitted over the network, can you recover it ? ? Flag formag flag{XXXXXXXXXXXX}
Level: Medium
Cool Name Effect 50 points
1351 solved
Webmaster developed a simple script to do cool effects on your name, but his code not filtering the inputs correctly execute javascript alert and prove it.
Level: Easy
My box 25 points
497 solved
I am a professional pen tester. I do not need to know any information from the customer, I do ....box pen test
Level: Basic
JTAG Dump 100 points
315 solved
this is a JTAG mobile Extraction for a handset in a criminal case. Catch the Flag
Level: Medium
GUI I 50 points
313 solved
The correct input is the flag,format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}
Level: Easy
Developer locks 50 points
232 solved
This is kinda easy to the degree that you`ll be asked for the hash at once.
Level: Easy
The Restricted Sessions 100 points
585 solved
Flag is restricted to logged users only , can you be one of them.
Level: Medium
Encrypted Database 50 points
1101 solved
The company hired an inexperienced developer, but he told them he hided the database and have it encrypted so the website is totally secure, can you prove that he is wrong ??
Level: Easy
Newsletter 50 points
680 solved
the administrator put the backup file in the same root folder as the application, help us download this backup by retrieving the backup file name
Level: Easy
Searching for the cookie 100 points
223 solved
simple search website we need to know which cookie to eat ;)
Level: Medium
Jumping Pixels 50 points
200 solved
You need to jump the right sequence in order to get the key
Level: Easy
you have been hacked 50 points
248 solved
we can hide secret messages, try to capture the flag. Submit answer in MD5
Level: Easy
genfei 100 points
160 solved
We found an encrypted secret and an encrypting machine. It seems to be a complicated cipher, can you break it?
Level: Medium
Red Stone Admin 200 points
23 solved
his code was run on a megacomputer but we lost our secret. Can you find it?
Level: Hard
Wrong Token 200 points
125 solved
Request to the flag is forbidden due to wrong csrf token ... can you fix it and reveal the flag
Level: Hard
who is admin 100 points
607 solved
Your mission is to know who's the admin running this website by knowing his email.
Level: Medium
catch me if you can 100 points
227 solved
I'm Just wanna Make Sure if you Are Mr.Robot
Level: Medium
Can you see me 100 points
186 solved
The correct input is the flag,format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}
Level: Medium
Capture 50 points
1164 solved
Network analysis tool used to captured packets and present it in readable format
Level: Easy
lineq 100 points
149 solved
Can you solve some equations for us? Hint: For modular inverse function. use (from Crypto.Util.number import inverse)
Level: Medium
Postbase 50 points
316 solved
We got this letters and numbers and don't understand them. Can you? R[corrupted]BR3tCNDUzXzYxWDdZXzRSfQ==
Level: Easy
Black Inc. 100 points
164 solved
Black Inc is a file sharing website, however the file uploads was disabled by an administrator, can you change that or find a bypass?
Level: Medium
Blue Inc. 50 points
662 solved
Blue Inc is a new social media website that's still under construction, However it doesn't have registration yet, but if you are interested in seeing our website then you can login with demo/demo.
Level: Easy
Imaginizer Pins 200 points
53 solved
Someone made an application to hide the keys in a user-supplied image, can you find the key?
Level: Hard
Listen Carefully 200 points
97 solved
A wanted hacker knew he was going to get arrested, he wanted to save a secret before he was arrested. The police tech team found that this image was the last accessed file. Please help the police find the evidence.
Level: Hard
ezez keygen 100 points
68 solved
I want to play this game with the admin account, could you help me?
Level: Medium
bypass the world 100 points
223 solved
I Don't Care if the world is against you, but i believe that you can bypass the world
Level: Medium
Book Lover 200 points
86 solved
share your love for books and search for the flag inside the source code.
Level: Hard
One shot 100 points
27 solved
You have only one shot. Here is how to connect nc 35.222.174.178 31339
Level: Medium
screenshot 200 points
64 solved
Developer is generating screenshots using internal api servers , flag is the front server hostname (not the api hostname) , can you extract it ??"
Level: Hard
Finding Voice 100 points
73 solved
Tom created a zip file containing an audio file that has a special message, can you retrieve it knowing the zip password is 1234?
Level: Medium
Cloak and Dagger 100 points
40 solved
Someone made an application to extract the secret flag from a certain file, but you don't have that file..
Level: Medium
Inbox 100 points
139 solved
The developer emailed the flag to the admin , can you get it.
Level: Medium
SoftwareCo Registration V2 100 points
36 solved
Since the old registration process was bypassed by hackers, SoftwareCo Created another portal login solution. Your mission is to get the right flag!
Level: Medium
Stupid Rand 100 points
52 solved
We wanted to give you this flag for free, but this nasty ransomware encrypted the flag file. We managed to salvage the encryption module, maybe you could do something? (the flag started with "flag{").
Level: Medium
Cash 50 points
201 solved
I am a type of attacks that used to spread malware. I push data in the cache records of your DNS. I am cache ........?
Level: Easy
Music Chairs 100 points
28 solved
There are a bunch of singers images, however some images might be more related to each others than expected. Two of them have the flag! Flag is the two file names without extensions.
Level: Medium
Hide Data 50 points
723 solved
I used to hide my data with a classic cypher, can you get the flag hidden inside? gur synt vf 2w68lsudym Vg vf cerggl rnfl gb frr gur synt ohg pna lbh frr vg v gbbx arneyl 1 zvahgr gb rapbqr guvf jvgu EBG13 tbbq yhpx va fbyivat gung
Level: Easy
File Found 50 points
112 solved
We found the following file on a machine, we know it contains a secret but we do not know what this file is can you help us obtain the code?
Level: Easy
Help Ann 100 points
71 solved
Ann scanned a QR code of an item, she tried to open the image but it seems it was corrupted, can you identify what is Ann lost item?
Level: Medium
Reverse Me 100 points
1 solved
Developer thinks he can code better than us, lets prove him wrong!
Level: Medium
I love images 50 points
113 solved
A hacker left us something that allows us to track him in this image, can you find it?
Level: Easy
Try to see me 100 points
19 solved
you`ll need your glasses or good pair of eyes and some brainzzz.
Level: Medium
Back to basics 50 points
181 solved
not pretty much many options. No need to open a link from a browser, there is always a different way
Level: Easy
Hack a nice day 100 points
74 solved
can you get the flag out to hack a nice day. Note: Flag format flag{XXXXXXX}