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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

Challenges


Coding Challenges (17)

Challenges descriptions Points Validation Author
Hash me please 2 2953 Mr.Un1k0d3r
Ask your grandpa! 2 1094 Mr.Un1k0d3r's Dad
Hash me reloaded 3 1632 Mr.Un1k0d3r
I hate mathematics 3 1726 Mr.Un1k0d3r
Ask your grandpa again! 4 367 Mr.Un1k0d3r's Dad
Hash breaker 4 1330 Mr.Un1k0d3r
I saw a little elf 4 484 Mr.Un1k0d3r
Hash breaker reloaded 5 775 Mr.Un1k0d3r
Execute me if you can 5 383 Mr.Un1k0d3r
Read me if you can 6 413 Mr.Un1k0d3r
Hash breaker reloaded again 6 262 Mr.Un1k0d3r
Ascii Art 6 614 Mr.Un1k0d3r
Execute me if you can again 6 192 Mr.Un1k0d3r
Xor me if you can 6 388 Mr.Un1k0d3r
Number game 7 309 Mr.Un1k0d3r remade by theindian
Classic Sudoku 7 262 Mr.Un1k0d3r remade by dread_knight
Find the right word 7 320 Mr.Un1k0d3r

Cryptography (36)

Challenges descriptions Points Validation Author
Some martian message 1 6189 Mr.Un1k0d3r
You're Drunk! 1 1697 Mr.Un1k0d3r
File recovery 1 2929 Mr.Un1k0d3r
Fashion Victim 2 476 GoSec CTF 2014
Public key recovery 2 1447 Mr.Un1k0d3r
Martian message part 2 2 2626 Mr.Un1k0d3r
Let's Play Scrabble! 3 44 Madness
Can you understand this sentence? 3 648 Mr.Un1k0d3r
Hangovers and more: Bacon 3 512 SynneR
Martian message part 3 3 1002 Mr.Un1k0d3r
I Lost my password 3 1068 Mr.Un1k0d3r
Crypto over the network 4 123 Mr.Un1k0d3r remade by theindian
Encrypted Zip 4 533 Mr.Un1k0d3r
Crypto Object 4 178 GoSec CTF 2014
Crypto Leak 4 43 NSEC 2018 (Towel)
SSO Service 4 15 Mr.Un1k0d3r (Trustwave CTF 2020)
Jabber 5 9 Madness
Free Flag Encrypter 5 17 Towel
Let's Play Scrabble! Part 2 5 24 Madness
Is it a secure string? 5 244 Cedrick Chaput
Guess the number 6 17 cyberguru
TotalSecure Message Encrypter 6 90 Towel
Pattern is the key 6 41 Mr.Un1k0d3r
Welcome to the asylum 6 54 GoSec CTF 2014
Jabber Part 2 7 8 Madness
Malcolm 7 18 Trustwave CTF 2020
Homemade craptography #2 7 10 HoLyVieR ft. large software company
Mars Log 8 9 NSEC 2018 (Towel)
Crypto is not good as you think 8 163 Mr.Un1k0d3r
Homemade Craptography 8 9 NSEC 2018 (HoLyVieR)
Rusty RSA message signing service 9 13 b0n0n & An0n remade by dysleixa
Spies 9 31 CS Games 2016 (HoLyVieR)
Find your path 9 8 cyberguru
Polly Wants a Cracker 10 5 Madness
TotalSecure Message Encrypter V2 10 17 Towel
Unicorn As A Service 11 7 Towel

Exotic Data Storage (4)

Challenges descriptions Points Validation Author
Just another login form 2 1433 Mr.Un1k0d3r
DON'T login as admin 2 33 mbergeron
I forgot my password 3 31 mbergeron
Inspiration 6 33 NSEC 2019 (becojo)

Forensics (28)

Challenges descriptions Points Validation Author
Who I am part 2 1 606 Mr.Un1k0d3r
I made a dd of Agent Smith usb key 1 3055 Cedrick Chaput
I love cat 2 680 Mr.Un1k0d3r
Dr. Pouce 2 2248 Cedrick Chaput
Attention Dinosaure Survive 2 1264 PRL
The good, the bad and the ugly 2 120 Mr.Un1k0d3r
1 / 3 Do not waste the environment 2 959 PRL
Hide my ass in my home! 2 1472 Cedrick Chaput
Hey Chuck where is the flag? 2 1450 Mr.Un1k0d3r
Meat Loaf 2 279 Ekse
Who I am? 2 953 Mr.Un1k0d3r
The words flew but writing remains 3 156 Martin Dube
2 / 3 Did you see my desktop? 3 782 PRL
Are you Twisted Insane? 3 26 Cedrick Feat Mr.Un1k0d3r
Someone steal my flag! 3 390 Mr.Un1k0d3r
802.1X Part 1 4 62 NSEC 2015
3 / 3 Suspicious account password? 4 639 PRL
Poor internet connection 4 380 Cedrick Chaput
Agent Smith reloaded 4 249 Cedrick Chaput
R.I.P MsPaint 4 98 Misker
We got breached 5 204 Mr.Un1k0d3r
Someone steal my flag again 5 134 GoSec CTF 2014
Ping pong 5 85 SynneR
Spy my girl 5 204 Cedrick Chaput
We got breached again 6 147 Mr.Un1k0d3r
Russian Crypto Roulette 6 67 SynneR
Really Depressed Protocol 7 73 SynneR
802.1X Part 2 8 44 NSEC 2015

Jail Escaping (21)

Challenges descriptions Points Validation Author
Bash Jail 1 1 2196 Mr.Un1k0d3r
Bash Jail 2 2 1401 Mr.Un1k0d3r
Bash Jail 3 3 790 Mr.Un1k0d3r
Bash Jail 4 4 426 Mr.Un1k0d3r
Bash Jail 5 6 185 Mr.Un1k0d3r
Bash Jail 6 8 26 Garigouster
Bash Jail 7 12 15 Garigouster
C Jail 1 1 355 Mr.Un1k0d3r
C Jail 2 2 229 Mr.Un1k0d3r
C Jail 3 3 189 Mr.Un1k0d3r
C Jail 4 5 20 Garigouster
C Jail 5 7 11 Garigouster
C Jail 6 14 7 Garigouster
PHP Jail 1 1 545 Mr.Un1k0d3r
PHP Jail 2 2 361 Mr.Un1k0d3r
PHP Jail 3 3 251 Mr.Un1k0d3r
PHP Jail 4 4 195 Mr.Un1k0d3r
PHP Jail 5 6 162 Mr.Un1k0d3r
PyJail 1 3 229 Martin Dube
PyJail 2 5 123 Martin Dube
PyJail 3 6 44 Martin Dube

JavaScript (10)

Challenges descriptions Points Validation Author
Client side validation is bad! 1 6744 Mr.Un1k0d3r
Hashing is more secure 1 5858 Mr.Un1k0d3r
Then obfuscation is more secure 1 4463 Mr.Un1k0d3r
Most Secure Crypto Algo 2 1623 Mr.Un1k0d3r
Valid key required 2 889 Francois Lajeunesse
Why not? 2 3413 Mr.Un1k0d3r
Why not be more secure? 5 552 Mr.Un1k0d3r
WTF Lol! 6 259 HoLyVieR
Interstellar PhoneBook 6 39 NSEC 2018 (HoLyVieR)
Beauty and the beast 7 39 Mr.Un1k0d3r

Malware Analysis (22)

Challenges descriptions Points Validation Author
APT 1337 4 46 NSEC 2017 (Mr.Un1k0d3r)
Capture 1 Part 1 1 620 Mr.Un1k0d3r
Capture 1 Part 2 1 205 Mr.Un1k0d3r
Capture 1 Part 3 1 230 Mr.Un1k0d3r
Capture 1 Part 4 2 32 Mr.Un1k0d3r
Capture 1 Part 5 3 53 Mr.Un1k0d3r
Capture 1 Part 6 3 144 Mr.Un1k0d3r
Capture 1 Part 7 3 28 Mr.Un1k0d3r
Capture 2 Part 1 1 56 Mr.Un1k0d3r
Capture 2 Part 2 1 106 Mr.Un1k0d3r
Capture 2 Part 3 1 106 Mr.Un1k0d3r
Capture 2 Part 4 3 104 Mr.Un1k0d3r
Capture 2 Part 5 4 38 Mr.Un1k0d3r
Capture 2 Part 6 7 16 Mr.Un1k0d3r
Evil X 8 2 cyberguru
Just Another MBR Ransomware 8 18 Towel
RAO democracy 4 52 NSEC 2017 (Mr.Un1k0d3r)
This malware excels Part 1 2 26 HF 2020 (nic-lovin)
This malware excels Part 2 1 26 HF 2020 (nic-lovin)
This malware excels Part 3 2 18 HF 2020 (nic-lovin)
This malware excels Part 4 5 10 HF 2020 (nic-lovin)
WebShell of Hell 5 18 An0n

Pwnage Linux (21)

Challenges descriptions Points Validation Author
Level1 Pwnage Linux Level Up 1 655 P-Y Feat Martin Dube
Level2 Pwnage Linux Level Up 2 404 P-Y Feat Martin Dube
Remote Auth 2 96 NSEC 2015
Level3 Pwnage Linux Level Up 3 290 P-Y Feat Martin Dube
The Vault 3 47 Mr.Un1k0d3r
Level1 Pwnage Linux x86_64 3 194 Mr.Un1k0d3r
Level2 Pwnage Linux x86_64 4 69 Mr.Un1k0d3r
Sometime there is no buffer overflow 4 70 Mr.Un1k0d3r
Can you get the service password 4 111 Mr.Un1k0d3r
Friendly race 5 21 Garigouster
Level4 Pwnage Linux Level Up 5 136 Mr.Un1k0d3r
RPCFTW! 6 34 NSEC 2015
Jack the heaper 6 18 uaf.io
Level4 Pwnage Linux x86_64 7 41 Mr.Un1k0d3r
Level3 Pwnage Linux x86_64 7 66 Mr.Un1k0d3r
Base64 As A Service 8 26 Guilt
Take over the Virtual World 8 36 NSEC 2015
Just another useless service 8 34 NSEC 2015
All You Need Is a Client 8 10 Mr.Un1k0d3r (Trustwave CTF 2020)
Base64 As A Service Reloaded 9 21 Guilt
Delivery As A Service 10 14 NSEC 2016

Reverse Engineering (56)

Challenges descriptions Points Validation Author
Can you see through the star 2 1249 Mr.Un1k0d3r
See No Evil - Part 1 2 136 alxbl
Gift as a Service Part 2 2 40 H0H0H0 Day (R0 team)
Time to learn x86 ASM & gdb 2 2034 Mr.Un1k0d3r
See No Evil - Part 2 3 103 alxbl
See No Evil - Part 3 3 99 alxbl
Intro To Sparc 3 178 Ian-Kyle Wagner
Kernel introduction 3 262 Mr.Un1k0d3r
Heap allocator 3 281 NSEC 2015
Windows x86 reversing is cool 3 709 Mr.Un1k0d3r
Crack Me 1 3 768 Mr.Un1k0d3r
Introduction to MIPS 3 321 Mr.Un1k0d3r
I never forget the Nintendo 64 3 636 Mr.Un1k0d3r
Power to the people 4 70 NSEC 2015
Old School 4 79 Towel
Let's take a detour 4 96 Floesen
Altera? 4 73 NSEC 2016
Wrong byte! 4 277 Mr.Un1k0d3r
Windows API for the win 4 338 Mr.Un1k0d3r
Introduction to ARM 4 356 Mr.Un1k0d3r
Space Invaders 4 22 Trustwave CTF 2020
I love tea! 4 30 nic-lovin
See No Evil - Part 5 4 66 alxbl
See No Evil - Part 4 4 73 alxbl
ASM Lovers 4 94 NSEC 2016
The MI7 password prompt 5 64 NSEC 2018 (Mr.Un1k0d3r)
Reindeer Game 5 8 H0H0H0 Day 2020 (Towel)
Phenix Golgoth 5 57 Hackfest 2016
Can I speak with the kernel? 5 84 Zerosum0x0
WASM Part 1 5 70 NSEC 2018 (Isra17)
Back to our roots 5 116 Mr.Un1k0d3r
Virtual World 5 81 NSEC 2015
RingZer0 Authenticator 5 242 Ekse
Smart enough? 5 119 NSEC 2015
Pwndr3 Authenticator 5 61 Pwndr3
Flag stealer 6 78 Ekse
Need a client 6 73 Mr.Un1k0d3r
Update Manager 6 59 Ekse
I Think I forgot to take out the garbage! 6 19 Mr.Un1k0d3r
SOS Lib 7 23 Mr.Un1k0d3r
Armed and ready 7 15 NSEC 2015
The supreme bash 7 22 NSEC 2017 (Mr.Un1k0d3r)
Cappin' 7 2 Mr.Un1k0d3r (Trustwave CTF 2020)
Buggy Bunny 7 10 Garigouster
Rebate As A Service 8 42 NSEC 2016
You're not welcome 8 53 Towel
WASM Part 2 8 8 NSEC 2018 (Isra17)
License to kill 8 3 Mr.Un1k0d3r
The Matrix 9 12 Towel
Trolling the troll 10 32 Mr.Un1k0d3r
Keygen time again 10 30 GoSec CTF 2014
The unknown challenge 11 16 Mr.Un1k0d3r
You're not welcome again! 12 20 Towel
WASM Part 3 12 6 NSEC 2018 (Isra17)
The oracle 13 17 Towel
Mars Reloaded 18 10 NSEC 2018 (Towel)

Shellcoding (7)

Challenges descriptions Points Validation Author
Basics of Linux x64 shellcoding 2 517 Mr.Un1k0d3r
Linux x64 shellcoding level 2 4 264 Mr.Un1k0d3r
Linux x64 shellcoding level 3 6 206 Mr.Un1k0d3r
Linux x64 shellcoding level 4 8 163 Mr.Un1k0d3r
Linux x64 shellcoding level 5 10 115 Mr.Un1k0d3r
Linux x64 shellcoding level 6 12 99 Mr.Un1k0d3r
Linux x64 shellcoding level 7 14 58 Mr.Un1k0d3r

Software Defined Radio (5)

Challenges descriptions Points Validation Author
SigID Level 1 1 962 Guenael
You Turn Me On And Off 3 11 Trustwave CTF 2020
Let's Get Scwhifty! 5 11 Trustwave CTF 2020
SigID Level 2 6 12 Guenael
Don't flip out, Thomas! 7 10 Trustwave CTF 2020

SQL Injection (32)

Challenges descriptions Points Validation Author
Most basic SQLi pattern. 1 8707 Mr.Un1k0d3r
Random Login Form 2 1837 Mr.Un1k0d3r
Po po po po postgresql 2 1929 Mr.Un1k0d3r
Login portal 1 2 3230 Mr.Un1k0d3r
ACL rulezzz the world. 2 4233 Mart
Login portal 2 3 692 Mr.Un1k0d3r
Don't mess with Noemie; she hates admin! 3 852 Mr.Un1k0d3r
0 Day Store 3 131 NSEC 2015
What's the definition of NULL 3 711 Mr.Un1k0d3r
Don't Stumble in the Process 4 51 mbergeron
Brain Teaser 1 4 27 Sideni
Quote of the day 4 623 Mr.Un1k0d3r
No more hacking for me! 4 308 Mr.Un1k0d3r
Thinking outside the box is the key 4 521 Mr.Un1k0d3r
Quote of the day reloaded 5 241 Mr.Un1k0d3r
When it's lite it's not necessarily easy 6 218 Mr.Un1k0d3r
Login portal 3 6 247 Mr.Un1k0d3r
Hot Single Mom 6 165 GoSec CTF 2014
Internet As A Service 7 118 Mr.Un1k0d3r
Size DOES matter 7 135 Mr.Un1k0d3r
Brain Teaser 2 7 15 Sideni
/etc/passwd 7 145 Mr.Un1k0d3r
Groups of hacker 7 157 Mr.Un1k0d3r
Login portal 4 7 147 Mr.Un1k0d3r
Login portal 5 8 70 Mr.Un1k0d3r
The useless search tool 8 121 Mr.Un1k0d3r
stackoverflow.com lied to me... again 9 80 Corb3nik
Doctor Who ? 9 8 Sideni
Login portal 6 10 59 Mr.Un1k0d3r
SQHell 11 14 Sideni feat. mbergeron
Don't Stumble in the Process Reloaded 12 8 mbergeron
!Mysql + Brain fart 13 31 Mr.Un1k0d3r

Steganography (24)

Challenges descriptions Points Validation Author
You're lost? Use the map 1 1639 Mr.Un1k0d3r
Victor you're hidding me something 1 2349 Cedrick Chaput
The vestige of dial-up Internet 2 147 Uid0
Pixel Everywhere 2 143 Mr.Un1k0d3r
Hidden In Plain Sight 2 632 NSEC 2015
Missing Pieces 2 728 Cedrick Chaput
Brainsick 2 816 Mr.Un1k0d3r
I'm Goronyo Babad Nigerian prince 2 526 Mr.Un1k0d3r
The Sloth 2 113 Misker
Victor reloaded 2 946 Cedrick Chaput
A ghost sound 2 773 Cedrick Chaput
Look inside the house 2 884 Mr.Un1k0d3r
Crazy Cat Lady 3 76 Madness
Can you see through the matrix! 3 138 Mr.Un1k0d3r
Love Letter 3 192 Towel
5 beautiful colors 3 46 PublicName
Your old friend Orloge Simard 3 562 Cedrick Chaput
Even the Odds 4 17 alxbl
Not just 64 4 15 Madness
Stay Classy! 4 17 Sideni
Can you see through the matrix reloaded! 4 27 Towel
Walk the line! 5 140 Cedrick Chaput
Stop the violence 5 17 jusb3
Stop the violence 2 5 6 jusb3

SysAdmin Linux (8)

Challenges descriptions Points Validation Author
SysAdmin Part 1 1 2411 Cedrick Chaput
SysAdmin Part 2 1 1744 Cedrick Feat Mr.Un1k0d3r
SysAdmin Part 3 1 1105 Mr.Un1k0d3r
SysAdmin Part 4 2 1040 Cedrick Feat Mr.Un1k0d3r
SysAdmin Part 5 2 666 Cedrick Feat Mr.Un1k0d3r
SysAdmin Part 6 3 630 Cedrick Chaput
SysAdmin Part 7 4 509 Cedrick Chaput
SysAdmin Part 8 4 565 Cedrick Feat Mr.Un1k0d3r

The NC8 Reverse Engineering Track (6)

Challenges descriptions Points Validation Author
NC8 MAINFRAME MANAGEMENT INTERFACE Part 1 7 52 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 2 Flag 1 3 31 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 2 Flag 2 7 29 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 2 Flag 3 10 29 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 3 5 19 NSEC 2018 (isra17)
NC8 MAINFRAME MANAGEMENT INTERFACE Part 4 15 15 NSEC 2018 (isra17)

Web Warning (51)

Challenges descriptions Points Validation Author
Looking for password file 1 4155 Mr.Un1k0d3r
Big Brother is watching 1 3971 Mr.Un1k0d3r
Area 51 1 2710 Mr.Un1k0d3r
Headache 1 3521 Mr.Un1k0d3r
Words mean something? 1 2812 Mr.Un1k0d3r
Hacking skill are optional 1 203 Breached Company
Unreadable captcha 2 379 SynneR
Captcha I 2 533 SynneR
Password reset 2 935 Mr.Un1k0d3r
Admin Portal 2 1130 Mr.Un1k0d3r
PHP Fairy 2 847 nic-Lovin
XSS Challenge 1 2 460 Mr.Un1k0d3r
XSS Challenge 2 2 444 Mr.Un1k0d3r
Security thru obscurity! 2 948 Mr.Un1k0d3r
Malicious upload 2 560 Mr.Un1k0d3r
Gift as a Service Part 1 3 42 H0H0H0 Day (R0 team)
PHP feature or 0day? 3 413 Mr.Un1k0d3r
UploadStar 3 38 nopernik
Beyond Reality Part 1 3 39 NSEC 2019 (ldionmarcil)
NeuroSoft: Observation Unit Center 3 44 NSEC 2019 (ldionmarcil)
Captcha IV 3 31 FadedForEver
JWT pitfall 1 3 57 Mr.Un1k0d3r
REST in peace 3 203 GoSec CTF 2014
XSS Challenge 3 3 181 Mr.Un1k0d3r
XSS Challenge 4 3 196 Mr.Un1k0d3r
Facebook will never forget this one 3 210 Mr.Un1k0d3r
Password reset reloaded 3 341 Mr.Un1k0d3r
Looking for the flag? 3 697 Mr.Un1k0d3r
Serial killer! 3 438 Mr.Un1k0d3r
Propaganda mail 4 231 NSEC 2015
Captcha II 4 137 SynneR
Captcha III 4 50 mbergeron
Beyond Reality Part 2 5 26 NSEC 2019 (ldionmarcil)
Lost API 5 35 NSEC 2019 (HoLyVieR)
The archive 5 22 NSEC 2019 (HoLyVieR)
UploadStar Reloaded 5 26 nopernik
Super Lottery 5 73 davidlebr1
Password Reset As a Service 5 58 Mr.Un1k0d3r
Timesheet As a Service 5 22 Mr.Un1k0d3r
Freedom Firewall 5 118 NSEC 2015
Read the unreadable 5 110 Mr.Un1k0d3r
XSS Challenge 5 6 121 Mr.Un1k0d3r
PHP feature or 0day reloaded? 6 72 Mr.Un1k0d3r
Serial killer part 2 6 43 HoLyVieR
Orao's factory 6 112 NSEC 2015
I hate this one 6 216 Mr.Un1k0d3r
XPATH of hell! 7 131 Francois L. Feat Mr.Un1k0d3r
Ping It! 7 30 mnadeau
Super Lottery Reloaded 7 25 davidlebr1 Feat mbergeron
Looking for god in your life? 8 63 NSEC 2015
Secure Mail 8 78 GoSec CTF 2014

Flag statistics (174402 submitted so far)

Number of points Number of validation Number of points Number of validation
18 points 10 15 points 15
14 points 65 13 points 48
12 points 148 11 points 37
10 points 301 9 points 173
8 points 978 7 points 2239
6 points 4700 5 points 4785
4 points 10444 3 points 20695
2 points 56834 1 points 72930

close Intercepting SSL Traffic on RingZer0team.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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