Switch to lite version Switch to dark theme

391 challenges are currently available for a total of 1745 points.


RingZer0 Team provide you couple of tools that can help you. See available tools.
Means challenge completed.
Point to write-up that worth to be reading.
Earn RingZer0Gold for each of your write-up.

You have the opportunity to submit a write up for every challenge you successfully complete. Every time your write up is approved your earn RingZer0Gold. It's possible for you to exchange this gold for hints. The main goal of this initiative is to stimulate people to submit write up and share how they solved a challenge with other people. When you finish a challenge, you have the ability to view all published write up for the challenge. This way you can learn many ways to solve a unique challenge.

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 3435 Mr.Un1k0d3r
Ask your grandpa! 2 1227 Mr.Un1k0d3r's Dad
Hash me reloaded 3 1851 Mr.Un1k0d3r
I hate mathematics 3 1969 Mr.Un1k0d3r
Ask your grandpa again! 4 427 Mr.Un1k0d3r's Dad
Hash breaker 4 1515 Mr.Un1k0d3r
I saw a little elf 4 552 Mr.Un1k0d3r
Hash breaker reloaded 5 875 Mr.Un1k0d3r
Execute me if you can 5 424 Mr.Un1k0d3r
Read me if you can 6 468 Mr.Un1k0d3r
Ascii Art 6 696 Mr.Un1k0d3r
Execute me if you can again 6 214 Mr.Un1k0d3r
Hash breaker reloaded again 6 291 Mr.Un1k0d3r
Xor me if you can 6 436 Mr.Un1k0d3r
Find the right word 7 366 Mr.Un1k0d3r
Number game 7 346 Mr.Un1k0d3r remade by theindian
Classic Sudoku 7 296 Mr.Un1k0d3r remade by dread_knight

Cryptography (36)

Challenges descriptions Points Validation Author
Some martian message 1 7385 Mr.Un1k0d3r
You're Drunk! 1 2426 Mr.Un1k0d3r
File recovery 1 3356 Mr.Un1k0d3r
Fashion Victim 2 603 GoSec CTF 2014
Martian message part 2 2 3048 Mr.Un1k0d3r
Public key recovery 2 1623 Mr.Un1k0d3r
I Lost my password 3 1203 Mr.Un1k0d3r
Let's Play Scrabble! 3 71 Madness
Hangovers and more: Bacon 3 581 SynneR
Martian message part 3 3 1189 Mr.Un1k0d3r
Can you understand this sentence? 3 726 Mr.Un1k0d3r
Encrypted Zip 4 606 Mr.Un1k0d3r
Crypto over the network 4 145 Mr.Un1k0d3r remade by theindian
Crypto Object 4 205 GoSec CTF 2014
Crypto Leak 4 55 NSEC 2018 (Towel)
SSO Service 4 23 Mr.Un1k0d3r (Trustwave CTF 2020)
Is it a secure string? 5 278 Cedrick Chaput
Let's Play Scrabble! Part 2 5 29 Madness
Jabber 5 10 Madness
Free Flag Encrypter 5 19 Towel
Guess the number 6 26 cyberguru
TotalSecure Message Encrypter 6 95 Towel
Welcome to the asylum 6 59 GoSec CTF 2014
Pattern is the key 6 47 Mr.Un1k0d3r
Malcolm 7 22 Trustwave CTF 2020
Jabber Part 2 7 8 Madness
Homemade craptography #2 7 13 HoLyVieR ft. large software company
Homemade Craptography 8 10 NSEC 2018 (HoLyVieR)
Mars Log 8 12 NSEC 2018 (Towel)
Crypto is not good as you think 8 176 Mr.Un1k0d3r
Find your path 9 13 cyberguru
Rusty RSA message signing service 9 15 b0n0n & An0n remade by dysleixa
Spies 9 34 CS Games 2016 (HoLyVieR)
Polly Wants a Cracker 10 7 Madness
TotalSecure Message Encrypter V2 10 19 Towel
Unicorn As A Service 11 9 Towel

Exotic Data Storage (4)

Challenges descriptions Points Validation Author
Just another login form 2 1529 Mr.Un1k0d3r
DON'T login as admin 2 42 mbergeron
I forgot my password 3 37 mbergeron
Inspiration 6 39 NSEC 2019 (becojo)

Forensics (28)

Challenges descriptions Points Validation Author
I made a dd of Agent Smith usb key 1 3566 Cedrick Chaput
Who I am part 2 1 877 Mr.Un1k0d3r
Meat Loaf 2 364 Ekse
Who I am? 2 1155 Mr.Un1k0d3r
Dr. Pouce 2 2480 Cedrick Chaput
Attention Dinosaure Survive 2 1460 PRL
The good, the bad and the ugly 2 171 Mr.Un1k0d3r
1 / 3 Do not waste the environment 2 1050 PRL
Hide my ass in my home! 2 1664 Cedrick Chaput
Hey Chuck where is the flag? 2 1644 Mr.Un1k0d3r
I love cat 2 836 Mr.Un1k0d3r
The words flew but writing remains 3 174 Martin Dube
2 / 3 Did you see my desktop? 3 854 PRL
Are you Twisted Insane? 3 33 Cedrick Feat Mr.Un1k0d3r
Someone steal my flag! 3 443 Mr.Un1k0d3r
802.1X Part 1 4 73 NSEC 2015
R.I.P MsPaint 4 112 Misker
3 / 3 Suspicious account password? 4 694 PRL
Poor internet connection 4 408 Cedrick Chaput
Agent Smith reloaded 4 275 Cedrick Chaput
Someone steal my flag again 5 155 GoSec CTF 2014
We got breached 5 225 Mr.Un1k0d3r
Ping pong 5 96 SynneR
Spy my girl 5 223 Cedrick Chaput
Russian Crypto Roulette 6 77 SynneR
We got breached again 6 161 Mr.Un1k0d3r
Really Depressed Protocol 7 83 SynneR
802.1X Part 2 8 50 NSEC 2015

Jail Escaping (21)

Challenges descriptions Points Validation Author
Bash Jail 1 1 2539 Mr.Un1k0d3r
Bash Jail 2 2 1597 Mr.Un1k0d3r
Bash Jail 3 3 904 Mr.Un1k0d3r
Bash Jail 4 4 488 Mr.Un1k0d3r
Bash Jail 5 6 214 Mr.Un1k0d3r
Bash Jail 6 8 32 Garigouster
Bash Jail 7 12 17 Garigouster
C Jail 1 1 407 Mr.Un1k0d3r
C Jail 2 2 264 Mr.Un1k0d3r
C Jail 3 3 217 Mr.Un1k0d3r
C Jail 4 5 23 Garigouster
C Jail 5 7 15 Garigouster
C Jail 6 14 10 Garigouster
PHP Jail 1 1 596 Mr.Un1k0d3r
PHP Jail 2 2 397 Mr.Un1k0d3r
PHP Jail 3 3 280 Mr.Un1k0d3r
PHP Jail 4 4 218 Mr.Un1k0d3r
PHP Jail 5 6 184 Mr.Un1k0d3r
PyJail 1 3 255 Martin Dube
PyJail 2 5 138 Martin Dube
PyJail 3 6 47 Martin Dube

JavaScript (10)

Challenges descriptions Points Validation Author
Client side validation is bad! 1 7335 Mr.Un1k0d3r
Hashing is more secure 1 6343 Mr.Un1k0d3r
Then obfuscation is more secure 1 4859 Mr.Un1k0d3r
Why not? 2 3729 Mr.Un1k0d3r
Valid key required 2 980 Francois Lajeunesse
Most Secure Crypto Algo 2 1763 Mr.Un1k0d3r
Why not be more secure? 5 604 Mr.Un1k0d3r
WTF Lol! 6 289 HoLyVieR
Interstellar PhoneBook 6 41 NSEC 2018 (HoLyVieR)
Beauty and the beast 7 43 Mr.Un1k0d3r

Malware Analysis (22)

Challenges descriptions Points Validation Author
APT 1337 4 51 NSEC 2017 (Mr.Un1k0d3r)
Capture 1 Part 1 1 719 Mr.Un1k0d3r
Capture 1 Part 2 1 241 Mr.Un1k0d3r
Capture 1 Part 3 1 263 Mr.Un1k0d3r
Capture 1 Part 4 2 42 Mr.Un1k0d3r
Capture 1 Part 5 3 68 Mr.Un1k0d3r
Capture 1 Part 6 3 168 Mr.Un1k0d3r
Capture 1 Part 7 3 36 Mr.Un1k0d3r
Capture 2 Part 1 1 65 Mr.Un1k0d3r
Capture 2 Part 2 1 123 Mr.Un1k0d3r
Capture 2 Part 3 1 124 Mr.Un1k0d3r
Capture 2 Part 4 3 121 Mr.Un1k0d3r
Capture 2 Part 5 4 45 Mr.Un1k0d3r
Capture 2 Part 6 7 21 Mr.Un1k0d3r
Evil X 8 7 cyberguru
Just Another MBR Ransomware 8 20 Towel
RAO democracy 4 59 NSEC 2017 (Mr.Un1k0d3r)
This malware excels Part 1 2 38 HF 2020 (nic-lovin)
This malware excels Part 2 1 38 HF 2020 (nic-lovin)
This malware excels Part 3 2 25 HF 2020 (nic-lovin)
This malware excels Part 4 5 17 HF 2020 (nic-lovin)
WebShell of Hell 5 21 An0n

NorthSec 2021 (10)

Challenges descriptions Points Validation Author
Crapto Century 3 42 NSEC 2021 (davidlebr1)
Farmer Search (1/3) 3 42 NSEC 2021 (mbergeron)
Farmer Search (2/3) 2 35 NSEC 2021 (mbergeron)
Farmer Search (3/3) 4 25 NSEC 2021 (mbergeron)
Knight Portal (1/3) 2 83 NSEC 2021 (mbergeron)
Knight Portal (2/3) 2 66 NSEC 2021 (mbergeron)
Knight Portal (3/3) 5 26 NSEC 2021 (mbergeron)
Reading Through the Cloud 4 36 NSEC 2021 (davidlebr1)
Scammed again 3 2 mnadeau
The Cabal 2 10 mnadeau

NorthSec 2022 (4)

Challenges descriptions Points Validation Author
Email Template (1/3) 2 26 mbergeron
Email Template (2/3) 5 11 mbergeron
Email Template (3/3) 4 6 mbergeron
Stock Options Portal 6 3 SynneR

NorthSec 2023 (27)

Challenges descriptions Points Validation Author
Ask G.O.D (01/18) 3 15 mbergeron
Ask G.O.D (02/18) 1 10 mbergeron
Ask G.O.D (03/18) 2 9 mbergeron
Ask G.O.D (04/18) 5 9 mbergeron
Ask G.O.D (05/18) 3 5 mbergeron
Ask G.O.D (06/18) 1 14 mbergeron
Ask G.O.D (07/18) 1 13 mbergeron
Ask G.O.D (08/18) 3 6 mbergeron
Ask G.O.D (09/18) 7 5 mbergeron
Ask G.O.D (10/18) 2 10 mbergeron
Ask G.O.D (11/18) 2 10 mbergeron
Ask G.O.D (12/18) 2 10 mbergeron
Ask G.O.D (13/18) 1 12 mbergeron
Ask G.O.D (14/18) 2 10 mbergeron
Ask G.O.D (15/18) 1 13 mbergeron
Ask G.O.D (16/18) 2 6 mbergeron
Ask G.O.D (17/18) 2 6 mbergeron
Ask G.O.D (18/18) 2 6 mbergeron
Corporate Cafeteria Menu 6 4 SynneR
Orchestry (1/3) 1 7 dlebrun
Orchestry (2/3) 4 4 dlebrun
Orchestry (3/3) 2 3 dlebrun
The G.O.D Archive 12 2 alxbl
We Call it Spring (1/4) 1 8 dlebrun
We Call it Spring (2/4) 1 8 dlebrun
We Call it Spring (3/4) 5 2 dlebrun
We Call it Spring (4/4) 2 2 dlebrun

Pwnage Linux (21)

Challenges descriptions Points Validation Author
Level1 Pwnage Linux Level Up 1 727 P-Y Feat Martin Dube
Level2 Pwnage Linux Level Up 2 444 P-Y Feat Martin Dube
Remote Auth 2 119 NSEC 2015
Level3 Pwnage Linux Level Up 3 317 P-Y Feat Martin Dube
The Vault 3 65 Mr.Un1k0d3r
Level1 Pwnage Linux x86_64 3 212 Mr.Un1k0d3r
Can you get the service password 4 130 Mr.Un1k0d3r remade by sagefault
Sometime there is no buffer overflow 4 81 Mr.Un1k0d3r remade by GuilT
Level2 Pwnage Linux x86_64 4 76 Mr.Un1k0d3r
Friendly race 5 28 Garigouster
Level4 Pwnage Linux Level Up 5 146 Mr.Un1k0d3r
RPCFTW! 6 38 NSEC 2015
Jack the heaper 6 24 uaf.io
Level4 Pwnage Linux x86_64 7 44 Mr.Un1k0d3r
Level3 Pwnage Linux x86_64 7 71 Mr.Un1k0d3r
Just another useless service 8 40 NSEC 2015
Take over the Virtual World 8 37 NSEC 2015
Base64 As A Service 8 36 Guilt
All You Need Is a Client 8 14 Mr.Un1k0d3r (Trustwave CTF 2020)
Base64 As A Service Reloaded 9 29 Guilt
Delivery As A Service 10 19 NSEC 2016

Reverse Engineering (56)

Challenges descriptions Points Validation Author
Time to learn x86 ASM & gdb 2 2269 Mr.Un1k0d3r
See No Evil - Part 1 2 190 alxbl
Can you see through the star 2 1338 Mr.Un1k0d3r
Gift as a Service Part 2 2 51 H0H0H0 Day (R0 team)
See No Evil - Part 2 3 137 alxbl
See No Evil - Part 3 3 129 alxbl
Intro To Sparc 3 209 Ian-Kyle Wagner
Kernel introduction 3 284 Mr.Un1k0d3r
Heap allocator 3 297 NSEC 2015
Crack Me 1 3 804 Mr.Un1k0d3r
Introduction to MIPS 3 344 Mr.Un1k0d3r
I never forget the Nintendo 64 3 687 Mr.Un1k0d3r
Windows x86 reversing is cool 3 758 Mr.Un1k0d3r
Old School 4 94 Towel
Power to the people 4 76 NSEC 2015
Let's take a detour 4 103 Floesen
Altera? 4 77 NSEC 2016
ASM Lovers 4 98 NSEC 2016
Wrong byte! 4 290 Mr.Un1k0d3r
See No Evil - Part 4 4 99 alxbl
See No Evil - Part 5 4 95 alxbl
I love tea! 4 37 nic-lovin
Space Invaders 4 26 Trustwave CTF 2020
Introduction to ARM 4 373 Mr.Un1k0d3r
Windows API for the win 4 356 Mr.Un1k0d3r
WASM Part 1 5 78 NSEC 2018 (Isra17)
The MI7 password prompt 5 77 NSEC 2018 (Mr.Un1k0d3r)
Phenix Golgoth 5 60 Hackfest 2016
Can I speak with the kernel? 5 92 Zerosum0x0
Reindeer Game 5 15 H0H0H0 Day 2020 (Towel)
Back to our roots 5 125 Mr.Un1k0d3r
Virtual World 5 86 NSEC 2015
Smart enough? 5 127 NSEC 2015
Pwndr3 Authenticator 5 69 Pwndr3
RingZer0 Authenticator 5 253 Ekse
Need a client 6 78 Mr.Un1k0d3r
I Think I forgot to take out the garbage! 6 29 Mr.Un1k0d3r
Flag stealer 6 84 Ekse
Update Manager 6 67 Ekse
Buggy Bunny 7 15 Garigouster
Cappin' 7 4 Mr.Un1k0d3r (Trustwave CTF 2020)
The supreme bash 7 28 NSEC 2017 (Mr.Un1k0d3r)
Armed and ready 7 26 NSEC 2015
SOS Lib 7 38 Mr.Un1k0d3r
You're not welcome 8 56 Towel
WASM Part 2 8 11 NSEC 2018 (Isra17)
License to kill 8 5 Mr.Un1k0d3r
Rebate As A Service 8 47 NSEC 2016
The Matrix 9 14 Towel
Keygen time again 10 34 GoSec CTF 2014
Trolling the troll 10 33 Mr.Un1k0d3r
The unknown challenge 11 17 Mr.Un1k0d3r
WASM Part 3 12 5 NSEC 2018 (Isra17)
You're not welcome again! 12 20 Towel
The oracle 13 17 Towel
Mars Reloaded 18 12 NSEC 2018 (Towel)

Shellcoding (7)

Challenges descriptions Points Validation Author
Basics of Linux x64 shellcoding 2 550 Mr.Un1k0d3r
Linux x64 shellcoding level 2 4 280 Mr.Un1k0d3r
Linux x64 shellcoding level 3 6 219 Mr.Un1k0d3r
Linux x64 shellcoding level 4 8 176 Mr.Un1k0d3r
Linux x64 shellcoding level 5 10 126 Mr.Un1k0d3r
Linux x64 shellcoding level 6 12 110 Mr.Un1k0d3r
Linux x64 shellcoding level 7 14 64 Mr.Un1k0d3r

Software Defined Radio (5)

Challenges descriptions Points Validation Author
SigID Level 1 1 1059 Guenael
You Turn Me On And Off 3 21 Trustwave CTF 2020
Let's Get Scwhifty! 5 18 Trustwave CTF 2020
SigID Level 2 6 13 Guenael
Don't flip out, Thomas! 7 17 Trustwave CTF 2020

SQL Injection (32)

Challenges descriptions Points Validation Author
Most basic SQLi pattern. 1 10190 Mr.Un1k0d3r
ACL rulezzz the world. 2 5000 Mart
Login portal 1 2 3906 Mr.Un1k0d3r
Random Login Form 2 2374 Mr.Un1k0d3r
Po po po po postgresql 2 2452 Mr.Un1k0d3r
Login portal 2 3 969 Mr.Un1k0d3r
0 Day Store 3 155 NSEC 2015
Don't mess with Noemie; she hates admin! 3 1085 Mr.Un1k0d3r
What's the definition of NULL 3 915 Mr.Un1k0d3r
Quote of the day 4 762 Mr.Un1k0d3r
No more hacking for me! 4 435 Mr.Un1k0d3r
Thinking outside the box is the key 4 642 Mr.Un1k0d3r
Don't Stumble in the Process 4 70 mbergeron
Brain Teaser 1 4 36 Sideni
Quote of the day reloaded 5 317 Mr.Un1k0d3r
When it's lite it's not necessarily easy 6 278 Mr.Un1k0d3r
Login portal 3 6 327 Mr.Un1k0d3r
Hot Single Mom 6 216 GoSec CTF 2014
Brain Teaser 2 7 18 Sideni
Internet As A Service 7 175 Mr.Un1k0d3r
Size DOES matter 7 148 Mr.Un1k0d3r
/etc/passwd 7 164 Mr.Un1k0d3r
Groups of hacker 7 168 Mr.Un1k0d3r
Login portal 4 7 207 Mr.Un1k0d3r
The useless search tool 8 127 Mr.Un1k0d3r
Login portal 5 8 79 Mr.Un1k0d3r
stackoverflow.com lied to me... again 9 87 Corb3nik
Doctor Who ? 9 11 Sideni
Login portal 6 10 65 Mr.Un1k0d3r
SQHell 11 15 Sideni feat. mbergeron
Don't Stumble in the Process Reloaded 12 10 mbergeron
!Mysql + Brain fart 13 34 Mr.Un1k0d3r

Steganography (25)

Challenges descriptions Points Validation Author
Victor you're hidding me something 1 2827 Cedrick Chaput
You're lost? Use the map 1 1965 Mr.Un1k0d3r
Look inside the house 2 1230 Mr.Un1k0d3r
A ghost sound 2 951 Cedrick Chaput
Victor reloaded 2 1206 Cedrick Chaput
The Sloth 2 166 Misker
Brainsick 2 955 Mr.Un1k0d3r
Missing Pieces 2 837 Cedrick Chaput
Hidden In Plain Sight 2 701 NSEC 2015
Pixel Everywhere 2 216 Mr.Un1k0d3r
The vestige of dial-up Internet 2 231 Uid0
I'm Goronyo Babad Nigerian prince 2 596 Mr.Un1k0d3r
5 beautiful colors 3 51 PublicName
Crazy Cat Lady 3 102 Madness
Love Letter 3 245 Towel
Can you see through the matrix! 3 156 Mr.Un1k0d3r
Your old friend Orloge Simard 3 611 Cedrick Chaput
Can you see through the matrix reloaded! 4 29 Towel
Stay Classy! 4 19 Sideni
Not just 64 4 16 Madness
Even the Odds 4 18 alxbl
Walk the line! 5 162 Cedrick Chaput
Stop the violence 5 20 jusb3
Stop the violence 2 5 8 jusb3
Hidden out of sight 5 13 cyberguru

SysAdmin Linux (8)

Challenges descriptions Points Validation Author
SysAdmin Part 1 1 2767 Cedrick Chaput
SysAdmin Part 2 1 2017 Cedrick Feat Mr.Un1k0d3r
SysAdmin Part 3 1 1303 Mr.Un1k0d3r
SysAdmin Part 4 2 1191 Cedrick Feat Mr.Un1k0d3r
SysAdmin Part 5 2 790 Cedrick Feat Mr.Un1k0d3r
SysAdmin Part 6 3 737 Cedrick Chaput
SysAdmin Part 7 4 604 Cedrick Chaput
SysAdmin Part 8 4 652 Cedrick Feat Mr.Un1k0d3r

The NC8 Reverse Engineering Track (6)

Challenges descriptions Points Validation Author
NC8 MAINFRAME MANAGEMENT INTERFACE Part 1 7 63 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 2 Flag 1 3 38 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 2 Flag 2 7 35 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 2 Flag 3 10 35 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 3 5 24 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 4 15 20 NSEC 2018 (isra17)

Web Warning (52)

Challenges descriptions Points Validation Author
Words mean something? 1 3376 Mr.Un1k0d3r
Big Brother is watching 1 4619 Mr.Un1k0d3r
Hacking skill are optional 1 313 Breached Company
Looking for password file 1 4767 Mr.Un1k0d3r
Area 51 1 3035 Mr.Un1k0d3r
Headache 1 3916 Mr.Un1k0d3r
Security thru obscurity! 2 1127 Mr.Un1k0d3r
PHP Fairy 2 1131 nic-Lovin
XSS Challenge 2 2 549 Mr.Un1k0d3r
XSS Challenge 1 2 554 Mr.Un1k0d3r
Admin Portal 2 1217 Mr.Un1k0d3r
Password reset 2 1001 Mr.Un1k0d3r
Malicious upload 2 632 Mr.Un1k0d3r
Captcha I 2 576 SynneR
Unreadable captcha 2 407 SynneR
Password reset reloaded 3 373 Mr.Un1k0d3r
PHP feature or 0day? 3 463 Mr.Un1k0d3r
Serial killer! 3 473 Mr.Un1k0d3r
JWT pitfall 1 3 66 Mr.Un1k0d3r
REST in peace 3 219 GoSec CTF 2014
Captcha IV 3 42 FadedForEver
NeuroSoft: Observation Unit Center 3 63 NSEC 2019 (ldionmarcil)
Beyond Reality Part 1 3 57 NSEC 2019 (ldionmarcil)
XSS Challenge 3 3 215 Mr.Un1k0d3r
XSS Challenge 4 3 222 Mr.Un1k0d3r
Facebook will never forget this one 3 233 Mr.Un1k0d3r
UploadStar 3 50 nopernik
Gift as a Service Part 1 3 63 H0H0H0 Day (R0 team)
Looking for the flag? 3 764 Mr.Un1k0d3r
Captcha III 4 62 mbergeron
Propaganda mail 4 260 NSEC 2015
Captcha II 4 153 SynneR
Read the unreadable 5 121 Mr.Un1k0d3r
Freedom Firewall 5 127 NSEC 2015
Timesheet As a Service 5 37 Mr.Un1k0d3r
Password Reset As a Service 5 62 Mr.Un1k0d3r
UploadStar Reloaded 5 30 nopernik
Super Lottery 5 88 davidlebr1
Beyond Reality Part 2 5 35 NSEC 2019 (ldionmarcil)
The archive 5 25 NSEC 2019 (HoLyVieR)
Lost API 5 38 NSEC 2019 (HoLyVieR)
PHP feature or 0day reloaded? 6 75 Mr.Un1k0d3r
I hate this one 6 230 Mr.Un1k0d3r
XSS Challenge 5 6 136 Mr.Un1k0d3r
Serial killer part 2 6 50 HoLyVieR
Orao's factory 6 121 NSEC 2015
Ping It! 7 33 mnadeau
Super Lottery Reloaded 7 34 davidlebr1 Feat mbergeron
XPATH of hell! 7 140 Francois L. Feat Mr.Un1k0d3r
Secure Mail 8 84 GoSec CTF 2014
Looking for god in your life? 8 65 NSEC 2015
Lotto 8/33 11 10 fishinspace

Flag statistics (202122 submitted so far)

Number of points Number of validation Number of points Number of validation
18 points 12 15 points 20
14 points 74 13 points 51
12 points 164 11 points 51
10 points 338 9 points 203
8 points 1084 7 points 2646
6 points 5376 5 points 5466
4 points 12071 3 points 23923
2 points 66415 1 points 84228

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.

top