Challenges List

Business Gathering  25 points  2658 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  2999 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  2367 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  2576 solved

am the First Computer Virus ever known . You will find me in your head . My name is ……..?


Level: Basic

Contribute  25 points  2505 solved

I am an Organization that releases the Top 10 Vulnerabilities in Application Security . I am ……?


Level: Basic

Greeks  50 points  2490 solved

The art of hiding messages or information inside other image / text or data


Level: Easy

Robot  50 points  1863 solved

A group or network of machines that are controlled by an attacker to do a certain task


Level: Easy

Japanese Warrior  50 points  1883 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  1531 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  2317 solved

I will lock your machine screen or files till you pay me. Who am i ?


Level: Basic

TrendMicro Conference  25 points  1790 solved

Periodic Conference in many cities hosted by Trend Micro


Level: Basic

Admin has the power  50 points  3331 solved

Administrators only has the power to see the flag , can you be one ?


Level: Easy

Eye of Sauron  50 points  775 solved

Can you find the key to pass?


Level: Easy

Cypher Anxiety  50 points  444 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  205 solved

A Cyber criminal is hiding important data. We find this log file.It is highly compressed. Find the attacker's secret.


Level: Medium

Hidden in Plain  100 points  258 solved

Search for the key hidden in the packets


Level: Medium

LOTR Hero Mania  50 points  684 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  1320 solved

Just Open the File and Capture the flag . Submission in MD5


Level: Basic

Hidden Message  25 points  1356 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  2768 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  2521 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  912 solved

The correct input is the flag, format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}


Level: Easy

ADSL Modem  100 points  423 solved

After tracking a cyber criminal, We were able to extract this firmware from a DSL modem . Try to find the flag !!!


Level: Medium

Lost Files  100 points  598 solved

I lost all my files :( . capture the flag !!!


Level: Medium

Partition Lost  50 points  582 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  2469 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

share the ideas  100 points  1077 solved

can you reveal the admin password ?


Level: Medium

Search in Trash  50 points  503 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  660 solved

the attacker intercept information between receiver and sender. what is the attack name ?


Level: Basic

Message in a Bottle  50 points  271 solved

That's so easy. Just Capture the Flag


Level: Easy

Modify Code  50 points  308 solved

Change code from one form to another to prevent attacker from understanding it


Level: Easy

Get rid of them all  50 points  449 solved

Someone corrupted the file so that we cannot execute it, and we need your help. Obtain the flag ,format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}


Level: Easy

Dark Project  100 points  263 solved

What kind of Project are you seeking for ?


Level: Medium

Pure Luck  25 points  400 solved

(1/24) * (1/60) * (1/60) , flag format:flag{xxxxxxxxxxxxxxxxxxxxxxxxx}


Level: Basic

They are many  100 points  63 solved

We need some scripts to help us, can you do it ? format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}


Level: Medium

Hack the App  200 points  117 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  343 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  674 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

Iam Legend  50 points  1137 solved

If I am a legend, then why am I so lonely?


Level: Easy

Weird Blog  200 points  226 solved

Das Kinda weird Just Do it


Level: Hard

Android101  100 points  184 solved

It is password protected, can you crack it ???


Level: Medium

Bruteforce Me  50 points  67 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  128 solved

Receive malware from a known person. What is the attack type ?


Level: Easy

Functions Everywhere  100 points  144 solved

The flag was transmitted over the network, can you recover it ? ? Flag formag flag{XXXXXXXXXXXX}


Level: Medium

Cool Name Effect  50 points  1273 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  418 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

Crash  50 points  729 solved

enter a lot of random trash till the application crash


Level: Easy

JTAG Dump  100 points  304 solved

this is a JTAG mobile Extraction for a handset in a criminal case. Catch the Flag


Level: Medium

GUI I  50 points  302 solved

The correct input is the flag,format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}


Level: Easy

Developer locks  50 points  226 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  544 solved

Flag is restricted to logged users only , can you be one of them.


Level: Medium

Encrypted Database  50 points  1032 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  614 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  177 solved

simple search website we need to know which cookie to eat ;)


Level: Medium

Jumping Pixels  50 points  199 solved

You need to jump the right sequence in order to get the key


Level: Easy

you have been hacked  50 points  245 solved

we can hide secret messages, try to capture the flag. Submit answer in MD5


Level: Easy

genfei  100 points  154 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  22 solved

his code was run on a megacomputer but we lost our secret. Can you find it?


Level: Hard

Wrong Token  200 points  114 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  586 solved

Your mission is to know who's the admin running this website by knowing his email.


Level: Medium

who am i?  50 points  362 solved

Do not Start a fight you can not stop it


Level: Easy

catch me if you can  100 points  194 solved

I'm Just wanna Make Sure if you Are Mr.Robot


Level: Medium

Can you see me  100 points  176 solved

The correct input is the flag,format flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}


Level: Medium

Scan  50 points  1423 solved

One of the famous, free port scanner. Who am i ?


Level: Easy

Capture  50 points  1077 solved

Network analysis tool used to captured packets and present it in readable format


Level: Easy

Raw Disk  100 points  276 solved

extract the flag from the raw disk


Level: Medium

Teasing Button  100 points  103 solved

Do you really need the Hash?


Level: Medium

lineq  100 points  144 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  287 solved

We got this letters and numbers and don't understand them. Can you? R[corrupted]BR3tCNDUzXzYxWDdZXzRSfQ==


Level: Easy

Precious Vulnerability  50 points  265 solved

a security flaw that is not yet known


Level: Easy

Black Inc.  100 points  147 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  619 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  49 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  88 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

Secret Box  100 points  188 solved

There is a secret in the box, can you read this?


Level: Medium

String highlighter  200 points  91 solved

Flag is hidden somewhere in the directory


Level: Hard

Check My USB  100 points  205 solved

this is a usb traffic capture ,capture the flag


Level: Medium

SCADA  50 points  389 solved

A worm that targeted SCADA Systems


Level: Easy

OTMP  100 points  42 solved

Can you break the one-time multi pad?


Level: Medium

Owls Blog  100 points  80 solved

Owls are winking at you. Try to get the flag


Level: Medium

ezez keygen  100 points  55 solved

I want to play this game with the admin account, could you help me?


Level: Medium

Big Number  100 points  150 solved

a big number is needed to save the world


Level: Medium

bypass the world  100 points  218 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  74 solved

share your love for books and search for the flag inside the source code.


Level: Hard

One shot  100 points  25 solved

You have only one shot. Here is how to connect nc 35.222.174.178 31339


Level: Medium

Round and Round  100 points  7 solved

it's too dizzy to solve @[email protected]


Level: Medium

Catch me  100 points  80 solved

Catch me if you can


Level: Medium

Arithmetic  100 points  70 solved

SHA256 is safe, the cipher is not?


Level: Medium

Transposed  100 points  75 solved

sseemga si dsenarotps?


Level: Medium

admin gate first  100 points  231 solved

Flag is safe in the admin account info


Level: Medium

screenshot  200 points  51 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  71 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  29 solved

Someone made an application to extract the secret flag from a certain file, but you don't have that file..


Level: Medium

Image Catch  100 points  91 solved

Capture the flag from the supplied image


Level: Medium

Pressure  100 points  31 solved

High-pressure encryption! Break it!


Level: Medium

Inbox  100 points  117 solved

The developer emailed the flag to the admin , can you get it.


Level: Medium

SoftwareCo Registration V2  100 points  34 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  47 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  111 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

saassrarr  100 points  40 solved

Triple power encryption!


Level: Medium

hsah  100 points  45 solved

Unhash the trash?


Level: Medium

Music Chairs  100 points  27 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

Training  100 points  26 solved

training, keep training.


Level: Medium

Hide Data  50 points  672 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  96 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

Just Smile  100 points  71 solved

Can you find the flag hidden in the image?


Level: Medium

Help Ann  100 points  60 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  85 solved

A hacker left us something that allows us to track him in this image, can you find it?


Level: Easy

I love this guy  100 points  59 solved

Can you find the password to obtain the flag?


Level: Medium

Back to basics  50 points  118 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  51 solved

can you get the flag out to hack a nice day. Note: Flag format flag{XXXXXXX}


Level: Medium