Switch to lite version Switch to dark theme

RingZer0 Team Online CTF

RingZer0 Team's online CTF offers you tons of challenges designed to test and improve your hacking skills through hacking challenges. Register and get a flag for every challenge.



I started this website in 2014 hosting everything in my garage (Picture here). If you like the website you can support us by making a donation. With those donations it will be possible to buy modern hardware and add new great stuff on the website that required more resources. You can find the list of users that contributed here.

Bitcoin: 16vqCWxyjvJPcVAuYnXr6FCvM9mDCsr1Ra | Ethereum: 0x6052363B113d90701E35768487643636134f3f2f


The RingZer0 Team Online CTF is now proudly hosted using Claranet FR cloud service.

Chat / Questions / Help

You'll find all what you need in the Slack Channel. https://ringzer0team.slack.com

Join the slack

Challenges

Currently more than 200 challenges are available over 13 categories. Have fun resolving them.

View challenges »

Register

Your first time here? First step register an account, that way you will be able to login and start solving challenges.

Register »


Want to become certified RCEH?

Super simple get at least 1000 points and you will receive your official badge and certification. The RingZer0 Certified Elite Hacker (RCEH) certification is a highly technical certification. Anyone holding the RCEH title is a highly skilled hacker.

Once you get your RCEH title you can proudly use the certified logo and show to the rest of the world that you successfully managed to solve several hacking challenges on the RingZer0 CTF.


Scoreboard - 27745 players

Position Username Points Gold Last Validation
Corb3nik
1218 0 2018-12-07 22:51:59
stamparm
1200 14 2018-09-25 11:21:27
Freddrickk
1156 17 2019-02-22 04:32:29
4
Towel
1143 653 2019-01-31 17:40:54
5
sagefault
1141 75 2019-03-25 22:31:03
6
an0n
1129 11 2017-08-20 17:04:56
7
jusb3
1111 0 2019-03-17 03:18:58
8
cyberguru
1038 0 2018-07-19 20:33:11
9
killer2
1005 311 2018-10-29 12:29:39
10
HoLyVieR
1001 86 2019-01-09 23:18:34
11
fLink
950 2 2019-03-19 17:05:15
12
dinus
881 14 2019-02-05 21:29:57
13
garigouster
872 791 2017-06-05 09:19:11
14
nic-lovin
864 5 2019-03-21 19:43:16
15
mbergeron
848 181 2019-03-25 12:14:05
16
acormier
846 90 2019-03-07 23:49:20
17
GuilT
845 109 2019-03-10 21:25:10
18
dysleixa
825 28 2019-03-26 04:06:14
19
allfro
785 0 2019-01-28 03:53:47
20
lolwut
777 0 2018-01-18 12:58:24
21
Sideni
767 38 2019-02-23 16:20:38
22
fffroze
739 4 2019-02-28 14:53:28
23
marcS0H
695 1 2019-03-25 14:02:15
24
becojo
689 6 2018-11-08 16:43:58
25
nopernik
680 220 2019-03-17 23:28:09
26
fob
677 9 2019-03-02 02:15:50
27
madbat2
665 0 2015-06-15 15:37:39
28
snowscan
656 27 2018-12-27 19:34:33
29
destiny
649 0 2019-02-04 02:38:43
30
turksec
639 8 2017-01-31 06:56:54
31
yehuju
632 0 2019-02-13 09:04:54
32
marlo
614 0 2016-12-12 06:53:58
33
Kileak
611 26 2018-02-23 15:37:57
34
sulliedeclat
610 1 2017-11-27 02:33:19
35
dloser
603 0 2016-05-03 15:48:08
36
xeksec
581 1 2016-10-24 00:59:48
37
pupsik
561 0 2019-02-23 22:55:15
38
maxenced
555 43 2017-03-08 08:01:22
39
M.tucX
553 0 2018-04-15 22:00:18
40
gorebrau
535 12 2018-03-18 13:53:40
41
marcan2020
529 18 2019-02-10 03:27:50
42
ExKiller
529 3 2018-12-09 14:12:09
43
sparkix
527 96 2019-03-15 15:07:57
44
europa
525 348 2017-12-12 15:27:09
45
klammydia
516 33 2019-01-14 00:31:21
46
rungekutta
510 1 2017-06-25 21:31:29
47
lixtelnis
506 26 2019-03-19 16:50:48
48
anujkrr317
500 1 2019-02-28 17:24:35
49
Shill
488 49 2019-01-30 01:52:35
50
Pourliver
479 0 2018-12-01 22:40:52

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2019-03-26 04:07:14 Login portal 4 ttuongann
2019-03-26 04:07:12 Most basic SQLi pattern. ceh13581
2019-03-26 04:06:14 Really Depressed Protocol dysleixa
2019-03-26 02:27:15 Agent Smith reloaded d3npa
2019-03-26 02:12:07 3 / 3 Suspicious account password? d3npa
2019-03-26 02:00:06 2 / 3 Did you see my desktop? d3npa
2019-03-26 01:26:14 Hashing is more secure mdehghani
2019-03-26 01:24:05 Client side validation is bad! mdehghani
2019-03-26 01:06:55 Time to learn x86 ASM & gdb Laladee
2019-03-26 00:53:25 1 / 3 Do not waste the environment d3npa

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Let's Play Scrabble! Part 2 5 Cryptography
Let's Play Scrabble! 3 Cryptography
Stop the violence 5 Steganography
Super Lottery 5 Web
Hacking skill are optional 1 Web


I started this website in 2014 hosting everything in my garage. If you like the website you can support us by making a donation. With those donations it will be possible to buy modern hardware and add new great stuff on the website that required more resources. You can find the list of users that contributed here.


top