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419 challenges are currently available for a total of 1840 points.

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Sandboxes Status

Challenges
SysAdmin Part 1 sandbox is Up Secure Mail sandbox is Up
Looking for god in your life? sandbox is Up XSS Challenge 1 sandbox is Up
Captcha I sandbox is Up Propaganda mail sandbox is Up
Basics of Linux x64 shellcoding sandbox is Up Level1 Pwnage Linux Level Up sandbox is Up
Level1 Pwnage Linux x86_64 sandbox is Up Virtual World sandbox is Up
Hot Single Mom sandbox is Up Bash Jail 1 sandbox is Up
Sometime there is no buffer overflow sandbox is Up Delivery As A Service sandbox is Up
Can you get the service password sandbox is Up Just another useless service sandbox is Up

Challenges

Coding Challenges (17)

Challenges descriptions Points Validation Author
Hash me please 2 3865 Mr.Un1k0d3r
Ask your grandpa! 2 1345 Mr.Un1k0d3r's Dad
Hash me reloaded 3 2059 Mr.Un1k0d3r
I hate mathematics 3 2178 Mr.Un1k0d3r
Ask your grandpa again! 4 473 Mr.Un1k0d3r's Dad
Hash breaker 4 1671 Mr.Un1k0d3r
I saw a little elf 4 618 Mr.Un1k0d3r
Hash breaker reloaded 5 961 Mr.Un1k0d3r
Execute me if you can 5 472 Mr.Un1k0d3r
Read me if you can 6 513 Mr.Un1k0d3r
Ascii Art 6 771 Mr.Un1k0d3r
Execute me if you can again 6 247 Mr.Un1k0d3r
Hash breaker reloaded again 6 319 Mr.Un1k0d3r
Xor me if you can 6 500 Mr.Un1k0d3r
Find the right word 7 414 Mr.Un1k0d3r
Number game 7 388 Mr.Un1k0d3r remade by theindian
Classic Sudoku 7 342 Mr.Un1k0d3r remade by dread_knight

Cryptography (36)

Challenges descriptions Points Validation Author
Some martian message 1 8385 Mr.Un1k0d3r
You're Drunk! 1 3010 Mr.Un1k0d3r
File recovery 1 3731 Mr.Un1k0d3r
Fashion Victim 2 736 GoSec CTF 2014
Martian message part 2 2 3424 Mr.Un1k0d3r
Public key recovery 2 1804 Mr.Un1k0d3r
I Lost my password 3 1358 Mr.Un1k0d3r
Let's Play Scrabble! 3 106 Madness
Hangovers and more: Bacon 3 650 SynneR
Martian message part 3 3 1381 Mr.Un1k0d3r
Can you understand this sentence? 3 810 Mr.Un1k0d3r
Encrypted Zip 4 686 Mr.Un1k0d3r
Crypto over the network 4 159 Mr.Un1k0d3r remade by theindian
Crypto Object 4 230 GoSec CTF 2014
Crypto Leak 4 77 NSEC 2018 (Towel)
SSO Service 4 34 Mr.Un1k0d3r (Trustwave CTF 2020)
Is it a secure string? 5 315 Cedrick Chaput
Let's Play Scrabble! Part 2 5 41 Madness
Jabber 5 19 Madness
Free Flag Encrypter 5 26 Towel
Guess the number 6 41 cyberguru
TotalSecure Message Encrypter 6 112 Towel
Welcome to the asylum 6 63 GoSec CTF 2014
Pattern is the key 6 53 Mr.Un1k0d3r
Malcolm 7 35 Trustwave CTF 2020
Jabber Part 2 7 12 Madness
Homemade craptography #2 7 17 HoLyVieR ft. large software company
Homemade Craptography 8 13 NSEC 2018 (HoLyVieR)
Mars Log 8 14 NSEC 2018 (Towel)
Crypto is not good as you think 8 194 Mr.Un1k0d3r
Find your path 9 24 cyberguru
Rusty RSA message signing service 9 17 b0n0n & An0n remade by dysleixa
Spies 9 39 CS Games 2016 (HoLyVieR)
Polly Wants a Cracker 10 9 Madness
TotalSecure Message Encrypter V2 10 23 Towel
Unicorn As A Service 11 14 Towel

Exotic Data Storage (4)

Challenges descriptions Points Validation Author
Just another login form 2 1616 Mr.Un1k0d3r
DON'T login as admin 2 65 mbergeron
I forgot my password 3 56 mbergeron
Inspiration 6 59 NSEC 2019 (becojo)

Forensics (28)

Challenges descriptions Points Validation Author
I made a dd of Agent Smith usb key 1 4025 Cedrick Chaput
Who I am part 2 1 1130 Mr.Un1k0d3r
Meat Loaf 2 527 Ekse
Who I am? 2 1397 Mr.Un1k0d3r
Dr. Pouce 2 2722 Cedrick Chaput
Attention Dinosaure Survive 2 1677 PRL
The good, the bad and the ugly 2 248 Mr.Un1k0d3r
1 / 3 Do not waste the environment 2 1159 PRL
Hide my ass in my home! 2 1861 Cedrick Chaput
Hey Chuck where is the flag? 2 1849 Mr.Un1k0d3r
I love cat 2 989 Mr.Un1k0d3r
The words flew but writing remains 3 204 Martin Dube
2 / 3 Did you see my desktop? 3 946 PRL
Are you Twisted Insane? 3 34 Cedrick Feat Mr.Un1k0d3r
Someone steal my flag! 3 519 Mr.Un1k0d3r
802.1X Part 1 4 92 NSEC 2015
R.I.P MsPaint 4 126 Misker
3 / 3 Suspicious account password? 4 770 PRL
Poor internet connection 4 446 Cedrick Chaput
Agent Smith reloaded 4 310 Cedrick Chaput
Someone steal my flag again 5 207 GoSec CTF 2014
We got breached 5 275 Mr.Un1k0d3r
Ping pong 5 115 SynneR
Spy my girl 5 251 Cedrick Chaput
Russian Crypto Roulette 6 88 SynneR
We got breached again 6 185 Mr.Un1k0d3r
Really Depressed Protocol 7 90 SynneR
802.1X Part 2 8 59 NSEC 2015

Jail Escaping (21)

Challenges descriptions Points Validation Author
Bash Jail 1 1 2802 Mr.Un1k0d3r
Bash Jail 2 2 1787 Mr.Un1k0d3r
Bash Jail 3 3 1024 Mr.Un1k0d3r
Bash Jail 4 4 557 Mr.Un1k0d3r
Bash Jail 5 6 250 Mr.Un1k0d3r
Bash Jail 6 8 38 Garigouster
Bash Jail 7 12 20 Garigouster
C Jail 1 1 483 Mr.Un1k0d3r
C Jail 2 2 333 Mr.Un1k0d3r
C Jail 3 3 272 Mr.Un1k0d3r
C Jail 4 5 32 Garigouster
C Jail 5 7 21 Garigouster
C Jail 6 14 15 Garigouster
PHP Jail 1 1 663 Mr.Un1k0d3r
PHP Jail 2 2 455 Mr.Un1k0d3r
PHP Jail 3 3 335 Mr.Un1k0d3r
PHP Jail 4 4 268 Mr.Un1k0d3r
PHP Jail 5 6 233 Mr.Un1k0d3r
PyJail 1 3 279 Martin Dube
PyJail 2 5 150 Martin Dube
PyJail 3 6 56 Martin Dube

JavaScript (10)

Challenges descriptions Points Validation Author
Client side validation is bad! 1 7938 Mr.Un1k0d3r
Hashing is more secure 1 6837 Mr.Un1k0d3r
Then obfuscation is more secure 1 5232 Mr.Un1k0d3r
Why not? 2 4050 Mr.Un1k0d3r
Valid key required 2 1114 Francois Lajeunesse
Most Secure Crypto Algo 2 1889 Mr.Un1k0d3r
Why not be more secure? 5 712 Mr.Un1k0d3r
WTF Lol! 6 347 HoLyVieR
Interstellar PhoneBook 6 46 NSEC 2018 (HoLyVieR)
Beauty and the beast 7 49 Mr.Un1k0d3r

Malware Analysis (22)

Challenges descriptions Points Validation Author
APT 1337 4 60 NSEC 2017 (Mr.Un1k0d3r)
Capture 1 Part 1 1 794 Mr.Un1k0d3r
Capture 1 Part 2 1 268 Mr.Un1k0d3r
Capture 1 Part 3 1 294 Mr.Un1k0d3r
Capture 1 Part 4 2 63 Mr.Un1k0d3r
Capture 1 Part 5 3 90 Mr.Un1k0d3r
Capture 1 Part 6 3 194 Mr.Un1k0d3r
Capture 1 Part 7 3 57 Mr.Un1k0d3r
Capture 2 Part 1 1 76 Mr.Un1k0d3r
Capture 2 Part 2 1 146 Mr.Un1k0d3r
Capture 2 Part 3 1 147 Mr.Un1k0d3r
Capture 2 Part 4 3 142 Mr.Un1k0d3r
Capture 2 Part 5 4 49 Mr.Un1k0d3r
Capture 2 Part 6 7 24 Mr.Un1k0d3r
Evil X 8 13 cyberguru
Just Another MBR Ransomware 8 24 Towel
RAO democracy 4 67 NSEC 2017 (Mr.Un1k0d3r)
This malware excels Part 1 2 54 HF 2020 (nic-lovin)
This malware excels Part 2 1 53 HF 2020 (nic-lovin)
This malware excels Part 3 2 36 HF 2020 (nic-lovin)
This malware excels Part 4 5 21 HF 2020 (nic-lovin)
WebShell of Hell 5 25 An0n

NorthSec 2021 (10)

Challenges descriptions Points Validation Author
Crapto Century 3 79 NSEC 2021 (davidlebr1)
Farmer Search (1/3) 3 51 NSEC 2021 (mbergeron)
Farmer Search (2/3) 2 41 NSEC 2021 (mbergeron)
Farmer Search (3/3) 4 32 NSEC 2021 (mbergeron)
Knight Portal (1/3) 2 113 NSEC 2021 (mbergeron)
Knight Portal (2/3) 2 78 NSEC 2021 (mbergeron)
Knight Portal (3/3) 5 29 NSEC 2021 (mbergeron)
Reading Through the Cloud 4 51 NSEC 2021 (davidlebr1)
Scammed again 3 8 mnadeau
The Cabal 2 46 mnadeau

NorthSec 2022 (4)

Challenges descriptions Points Validation Author
Email Template (1/3) 2 32 mbergeron
Email Template (2/3) 5 13 mbergeron
Email Template (3/3) 4 6 mbergeron
Stock Options Portal 6 9 SynneR

NorthSec 2023 (27)

Challenges descriptions Points Validation Author
Ask G.O.D (01/18) 3 31 mbergeron
Ask G.O.D (02/18) 1 17 mbergeron
Ask G.O.D (03/18) 2 16 mbergeron
Ask G.O.D (04/18) 5 15 mbergeron
Ask G.O.D (05/18) 3 15 mbergeron
Ask G.O.D (06/18) 1 31 mbergeron
Ask G.O.D (07/18) 1 26 mbergeron
Ask G.O.D (08/18) 3 16 mbergeron
Ask G.O.D (09/18) 7 11 mbergeron
Ask G.O.D (10/18) 2 22 mbergeron
Ask G.O.D (11/18) 2 22 mbergeron
Ask G.O.D (12/18) 2 22 mbergeron
Ask G.O.D (13/18) 1 25 mbergeron
Ask G.O.D (14/18) 2 26 mbergeron
Ask G.O.D (15/18) 1 26 mbergeron
Ask G.O.D (16/18) 2 16 mbergeron
Ask G.O.D (17/18) 2 16 mbergeron
Ask G.O.D (18/18) 2 17 mbergeron
Corporate Cafeteria Menu 6 9 SynneR
Orchestry (1/3) 1 12 dlebrun
Orchestry (2/3) 4 5 dlebrun
Orchestry (3/3) 2 4 dlebrun
The G.O.D Archive 12 5 alxbl
We Call it Spring (1/4) 1 12 dlebrun
We Call it Spring (2/4) 1 12 dlebrun
We Call it Spring (3/4) 5 6 dlebrun
We Call it Spring (4/4) 2 6 dlebrun

NorthSec 2024 (7)

Challenges descriptions Points Validation Author
Anti-Allergens Immune System 4 7 mbergeron
Appendix System 2 31 mbergeron
Integumentary System (1/2) 3 1 mbergeron
Integumentary System (2/2) 5 1 mbergeron
Linguistic Memory System 5 5 mbergeron
Photographic Memory System (1/2) 3 7 mbergeron
Photographic Memory System (2/2) 3 7 mbergeron

NorthSec 2025 (21)

Challenges descriptions Points Validation Author
Disabling the camera operator (1/4) 1 8 SynneR
Disabling the camera operator (2/4) 3 8 SynneR
Disabling the camera operator (3/4) 4 4 SynneR
Disabling the camera operator (4/4) 4 2 SynneR
LED Display Controller (1/3) 4 5 mbergeron
LED Display Controller (2/3) 2 5 mbergeron
LED Display Controller (3/3) 3 4 mbergeron
Motor Sensors - Agent 1 (1/3) 1 6 mbergeron
Motor Sensors - Agent 1 (2/3) 5 1 mbergeron
Motor Sensors - Agent 1 (3/3) 2 1 mbergeron
Motor Sensors - Agent 2 (1/3) 4 1 mbergeron
Motor Sensors - Agent 2 (2/3) 2 1 mbergeron
Motor Sensors - Agent 2 (3/3) 3 1 mbergeron
Motor Sensors - Agent 3 (1/2) 5 1 mbergeron
Motor Sensors - Agent 3 (2/2) 4 1 mbergeron
Motor Sensors - Controller (1/4) 3 4 mbergeron
Motor Sensors - Controller (2/4) 3 2 mbergeron
Motor Sensors - Controller (3/4) 6 1 mbergeron
Motor Sensors - Controller (4/4) 2 1 mbergeron
Passenger Manifesto (1/2) 5 3 mbergeron
Passenger Manifesto (2/2) 4 1 mbergeron

Pwnage Linux (21)

Challenges descriptions Points Validation Author
Level1 Pwnage Linux Level Up 1 796 P-Y Feat Martin Dube
Level2 Pwnage Linux Level Up 2 489 P-Y Feat Martin Dube
Remote Auth 2 132 NSEC 2015
Level3 Pwnage Linux Level Up 3 354 P-Y Feat Martin Dube
The Vault 3 81 Mr.Un1k0d3r
Level1 Pwnage Linux x86_64 3 224 Mr.Un1k0d3r
Can you get the service password 4 144 Mr.Un1k0d3r remade by sagefault
Sometime there is no buffer overflow 4 92 Mr.Un1k0d3r remade by GuilT
Level2 Pwnage Linux x86_64 4 79 Mr.Un1k0d3r
Friendly race 5 29 Garigouster
Level4 Pwnage Linux Level Up 5 154 Mr.Un1k0d3r
RPCFTW! 6 43 NSEC 2015
Jack the heaper 6 25 uaf.io
Level4 Pwnage Linux x86_64 7 45 Mr.Un1k0d3r
Level3 Pwnage Linux x86_64 7 76 Mr.Un1k0d3r
Just another useless service 8 45 NSEC 2015
Take over the Virtual World 8 37 NSEC 2015
Base64 As A Service 8 40 Guilt
All You Need Is a Client 8 16 Mr.Un1k0d3r (Trustwave CTF 2020)
Base64 As A Service Reloaded 9 33 Guilt
Delivery As A Service 10 21 NSEC 2016

Reverse Engineering (56)

Challenges descriptions Points Validation Author
Time to learn x86 ASM & gdb 2 2538 Mr.Un1k0d3r
See No Evil - Part 1 2 250 alxbl
Can you see through the star 2 1458 Mr.Un1k0d3r
Gift as a Service Part 2 2 62 H0H0H0 Day (R0 team)
See No Evil - Part 2 3 184 alxbl
See No Evil - Part 3 3 171 alxbl
Intro To Sparc 3 240 Ian-Kyle Wagner
Kernel introduction 3 307 Mr.Un1k0d3r
Heap allocator 3 316 NSEC 2015
Crack Me 1 3 861 Mr.Un1k0d3r
Introduction to MIPS 3 373 Mr.Un1k0d3r
I never forget the Nintendo 64 3 764 Mr.Un1k0d3r
Windows x86 reversing is cool 3 835 Mr.Un1k0d3r
Old School 4 104 Towel
Power to the people 4 94 NSEC 2015
Let's take a detour 4 114 Floesen
Altera? 4 87 NSEC 2016
ASM Lovers 4 108 NSEC 2016
Wrong byte! 4 309 Mr.Un1k0d3r
See No Evil - Part 4 4 129 alxbl
See No Evil - Part 5 4 120 alxbl
I love tea! 4 45 nic-lovin
Space Invaders 4 32 Trustwave CTF 2020
Introduction to ARM 4 398 Mr.Un1k0d3r
Windows API for the win 4 374 Mr.Un1k0d3r
WASM Part 1 5 98 NSEC 2018 (Isra17)
The MI7 password prompt 5 90 NSEC 2018 (Mr.Un1k0d3r)
Phenix Golgoth 5 67 Hackfest 2016
Can I speak with the kernel? 5 104 Zerosum0x0
Reindeer Game 5 20 H0H0H0 Day 2020 (Towel)
Back to our roots 5 136 Mr.Un1k0d3r
Virtual World 5 89 NSEC 2015
Smart enough? 5 139 NSEC 2015
Pwndr3 Authenticator 5 77 Pwndr3
RingZer0 Authenticator 5 272 Ekse
Need a client 6 86 Mr.Un1k0d3r
I Think I forgot to take out the garbage! 6 31 Mr.Un1k0d3r
Flag stealer 6 93 Ekse
Update Manager 6 71 Ekse
Buggy Bunny 7 16 Garigouster
Cappin' 7 8 Mr.Un1k0d3r (Trustwave CTF 2020)
The supreme bash 7 32 NSEC 2017 (Mr.Un1k0d3r)
Armed and ready 7 33 NSEC 2015
SOS Lib 7 40 Mr.Un1k0d3r
You're not welcome 8 67 Towel
WASM Part 2 8 17 NSEC 2018 (Isra17)
License to kill 8 5 Mr.Un1k0d3r
Rebate As A Service 8 51 NSEC 2016
The Matrix 9 17 Towel
Keygen time again 10 41 GoSec CTF 2014
Trolling the troll 10 36 Mr.Un1k0d3r
The unknown challenge 11 18 Mr.Un1k0d3r
WASM Part 3 12 10 NSEC 2018 (Isra17)
You're not welcome again! 12 23 Towel
The oracle 13 22 Towel
Mars Reloaded 18 13 NSEC 2018 (Towel)

Shellcoding (7)

Challenges descriptions Points Validation Author
Basics of Linux x64 shellcoding 2 601 Mr.Un1k0d3r
Linux x64 shellcoding level 2 4 303 Mr.Un1k0d3r
Linux x64 shellcoding level 3 6 239 Mr.Un1k0d3r
Linux x64 shellcoding level 4 8 194 Mr.Un1k0d3r
Linux x64 shellcoding level 5 10 144 Mr.Un1k0d3r
Linux x64 shellcoding level 6 12 124 Mr.Un1k0d3r
Linux x64 shellcoding level 7 14 70 Mr.Un1k0d3r

Software Defined Radio (5)

Challenges descriptions Points Validation Author
SigID Level 1 1 1182 Guenael
You Turn Me On And Off 3 40 Trustwave CTF 2020
Let's Get Scwhifty! 5 32 Trustwave CTF 2020
SigID Level 2 6 13 Guenael
Don't flip out, Thomas! 7 30 Trustwave CTF 2020

SQL Injection (32)

Challenges descriptions Points Validation Author
Most basic SQLi pattern. 1 10969 Mr.Un1k0d3r
ACL rulezzz the world. 2 5413 Mart
Login portal 1 2 4292 Mr.Un1k0d3r
Random Login Form 2 2633 Mr.Un1k0d3r
Po po po po postgresql 2 2665 Mr.Un1k0d3r
Login portal 2 3 1081 Mr.Un1k0d3r
0 Day Store 3 172 NSEC 2015
Don't mess with Noemie; she hates admin! 3 1219 Mr.Un1k0d3r
What's the definition of NULL 3 1006 Mr.Un1k0d3r
Quote of the day 4 805 Mr.Un1k0d3r
No more hacking for me! 4 484 Mr.Un1k0d3r
Thinking outside the box is the key 4 684 Mr.Un1k0d3r
Don't Stumble in the Process 4 75 mbergeron
Brain Teaser 1 4 46 Sideni
Quote of the day reloaded 5 353 Mr.Un1k0d3r
When it's lite it's not necessarily easy 6 317 Mr.Un1k0d3r
Login portal 3 6 381 Mr.Un1k0d3r
Hot Single Mom 6 248 GoSec CTF 2014
Brain Teaser 2 7 25 Sideni
Internet As A Service 7 214 Mr.Un1k0d3r
Size DOES matter 7 157 Mr.Un1k0d3r
/etc/passwd 7 179 Mr.Un1k0d3r
Groups of hacker 7 180 Mr.Un1k0d3r
Login portal 4 7 259 Mr.Un1k0d3r
The useless search tool 8 133 Mr.Un1k0d3r
Login portal 5 8 87 Mr.Un1k0d3r
stackoverflow.com lied to me... again 9 94 Corb3nik
Doctor Who ? 9 15 Sideni
Login portal 6 10 72 Mr.Un1k0d3r
SQHell 11 17 Sideni feat. mbergeron
Don't Stumble in the Process Reloaded 12 12 mbergeron
!Mysql + Brain fart 13 36 Mr.Un1k0d3r

Steganography (25)

Challenges descriptions Points Validation Author
Victor you're hidding me something 1 3229 Cedrick Chaput
You're lost? Use the map 1 2273 Mr.Un1k0d3r
Look inside the house 2 1550 Mr.Un1k0d3r
A ghost sound 2 1124 Cedrick Chaput
Victor reloaded 2 1459 Cedrick Chaput
The Sloth 2 212 Misker
Brainsick 2 1085 Mr.Un1k0d3r
Missing Pieces 2 947 Cedrick Chaput
Hidden In Plain Sight 2 793 NSEC 2015
Pixel Everywhere 2 311 Mr.Un1k0d3r
The vestige of dial-up Internet 2 332 Uid0
I'm Goronyo Babad Nigerian prince 2 672 Mr.Un1k0d3r
5 beautiful colors 3 75 PublicName
Crazy Cat Lady 3 137 Madness
Love Letter 3 307 Towel
Can you see through the matrix! 3 171 Mr.Un1k0d3r
Your old friend Orloge Simard 3 682 Cedrick Chaput
Can you see through the matrix reloaded! 4 35 Towel
Stay Classy! 4 20 Sideni
Not just 64 4 19 Madness
Even the Odds 4 22 alxbl
Walk the line! 5 186 Cedrick Chaput
Stop the violence 5 26 jusb3
Stop the violence 2 5 11 jusb3
Hidden out of sight 5 22 cyberguru

SysAdmin Linux (8)

Challenges descriptions Points Validation Author
SysAdmin Part 1 1 3080 Cedrick Chaput
SysAdmin Part 2 1 2259 Cedrick Feat Mr.Un1k0d3r
SysAdmin Part 3 1 1486 Mr.Un1k0d3r
SysAdmin Part 4 2 1337 Cedrick Feat Mr.Un1k0d3r
SysAdmin Part 5 2 916 Cedrick Feat Mr.Un1k0d3r
SysAdmin Part 6 3 851 Cedrick Chaput
SysAdmin Part 7 4 703 Cedrick Chaput
SysAdmin Part 8 4 739 Cedrick Feat Mr.Un1k0d3r

The NC8 Reverse Engineering Track (6)

Challenges descriptions Points Validation Author
NC8 MAINFRAME MANAGEMENT INTERFACE Part 1 7 89 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 2 Flag 1 3 60 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 2 Flag 2 7 57 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 2 Flag 3 10 56 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 3 5 46 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 4 15 43 NSEC 2018 (isra17)

Web Warning (52)

Challenges descriptions Points Validation Author
Words mean something? 1 3776 Mr.Un1k0d3r
Big Brother is watching 1 5027 Mr.Un1k0d3r
Hacking skill are optional 1 483 Breached Company
Looking for password file 1 5182 Mr.Un1k0d3r
Area 51 1 3265 Mr.Un1k0d3r
Headache 1 4165 Mr.Un1k0d3r
Security thru obscurity! 2 1312 Mr.Un1k0d3r
PHP Fairy 2 1326 nic-Lovin
XSS Challenge 2 2 580 Mr.Un1k0d3r
XSS Challenge 1 2 578 Mr.Un1k0d3r
Admin Portal 2 1332 Mr.Un1k0d3r
Password reset 2 1089 Mr.Un1k0d3r
Malicious upload 2 717 Mr.Un1k0d3r
Captcha I 2 621 SynneR
Unreadable captcha 2 436 SynneR
Password reset reloaded 3 406 Mr.Un1k0d3r
PHP feature or 0day? 3 502 Mr.Un1k0d3r
Serial killer! 3 523 Mr.Un1k0d3r
JWT pitfall 1 3 85 Mr.Un1k0d3r
REST in peace 3 235 GoSec CTF 2014
Captcha IV 3 51 FadedForEver
NeuroSoft: Observation Unit Center 3 84 NSEC 2019 (ldionmarcil)
Beyond Reality Part 1 3 67 NSEC 2019 (ldionmarcil)
XSS Challenge 3 3 230 Mr.Un1k0d3r
XSS Challenge 4 3 234 Mr.Un1k0d3r
Facebook will never forget this one 3 252 Mr.Un1k0d3r
UploadStar 3 54 nopernik
Gift as a Service Part 1 3 81 H0H0H0 Day (R0 team)
Looking for the flag? 3 832 Mr.Un1k0d3r
Captcha III 4 73 mbergeron
Propaganda mail 4 284 NSEC 2015
Captcha II 4 167 SynneR
Read the unreadable 5 135 Mr.Un1k0d3r
Freedom Firewall 5 139 NSEC 2015
Timesheet As a Service 5 46 Mr.Un1k0d3r
Password Reset As a Service 5 69 Mr.Un1k0d3r
UploadStar Reloaded 5 34 nopernik
Super Lottery 5 99 davidlebr1
Beyond Reality Part 2 5 43 NSEC 2019 (ldionmarcil)
The archive 5 31 NSEC 2019 (HoLyVieR)
Lost API 5 48 NSEC 2019 (HoLyVieR)
PHP feature or 0day reloaded? 6 86 Mr.Un1k0d3r
I hate this one 6 245 Mr.Un1k0d3r
XSS Challenge 5 6 147 Mr.Un1k0d3r
Serial killer part 2 6 60 HoLyVieR
Orao's factory 6 136 NSEC 2015
Ping It! 7 39 mnadeau
Super Lottery Reloaded 7 41 davidlebr1 Feat mbergeron
XPATH of hell! 7 154 Francois L. Feat Mr.Un1k0d3r
Secure Mail 8 88 GoSec CTF 2014
Looking for god in your life? 8 69 NSEC 2015
Lotto 8/33 11 16 fishinspace

Flag statistics (226569 submitted so far)

Number of points Number of validation Number of points Number of validation
18 points 13 15 points 43
14 points 85 13 points 58
12 points 194 11 points 65
10 points 402 9 points 239
8 points 1204 7 points 3077
6 points 6123 5 points 6291
4 points 13496 3 points 27075
2 points 74843 1 points 93361
close Intercepting SSL Traffic on RingZer0ctf.com

If you are using Burpsuite as your proxy, you may experiment some issue regarding interception. If you got the following error unrecognized_name here is the solution.

Go to the main tab on your Burp then click on options you should now see the SSL tab. In the SSL Negociation section, check "Disable Java SNI extension (requires restart)"

Restart your Burp instance and you are good to go.

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