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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.


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 - 32352 players

Position Username Points Gold Last Validation Special Mention
sagefault
1367 126 2019-11-04 09:25:48
Corb3nik
1328 5 2019-08-01 13:01:38
jusb3
1237 7 2019-09-09 18:41:34
4
stamparm
1201 0 2018-09-25 11:21:27
5
Towel
1199 664 2019-11-18 20:21:07
6
Freddrickk
1156 17 2019-02-22 04:32:29
7
an0n
1129 11 2017-08-20 17:04:56
8
mbergeron
1069 202 2019-10-04 09:47:24
9
cyberguru
1067 0 2019-08-11 07:43:52
10
HoLyVieR
1040 90 2019-09-17 16:22:09
11
fLink
1018 2 2019-11-13 14:37:57
12
GuilT
1009 117 2019-08-09 23:04:53
13
killer2
1005 311 2018-10-29 12:29:39
14
dinus
1002 4 2019-11-20 14:21:50
15
Sideni
957 10 2019-09-06 02:39:21
16
acormier
946 90 2019-10-28 02:24:55
17
nic-lovin
943 23 2019-11-17 19:12:03
18
allfro
911 0 2019-11-18 14:38:51
19
dysleixa
886 62 2019-06-25 02:18:28
20
garigouster
872 791 2017-06-05 09:19:11
21
lolwut
777 0 2018-01-18 12:58:24
22
fffroze
761 1 2019-11-03 15:59:22
23
snowscan
752 3 2019-11-18 21:24:09
24
alxbl
719 74 2019-11-15 19:53:39
25
marcS0H
713 1 2019-11-11 16:17:16
26
fob
713 0 2019-10-31 17:58:19
27
becojo
704 3 2019-09-04 18:22:18
28
yehuju
703 0 2019-07-30 02:30:31
29
nopernik
680 220 2019-03-17 23:28:09
30
madbat2
665 0 2015-06-15 15:37:39
31
destiny
664 0 2019-08-02 20:13:10
32
turksec
639 8 2017-01-31 06:56:54
33
sparkix
623 105 2019-07-10 16:44:56
34
sulliedeclat
619 1 2019-11-10 12:43:33
35
marlo
614 0 2016-12-12 06:53:58
36
Kileak
611 26 2018-02-23 15:37:57
37
dloser
603 0 2016-05-03 15:48:08
38
Pourliver
600 0 2019-10-17 11:10:06
39
madness
582 500 2019-11-19 18:01:55
40
xeksec
581 1 2016-10-24 00:59:48
41
pupsik
561 0 2019-02-23 22:55:15
42
maxenced
555 43 2017-03-08 08:01:22
43
M.tucX
553 0 2018-04-15 22:00:18
44
Laish
550 210 2019-11-12 06:08:07
45
lixtelnis
550 9 2019-07-17 18:36:19
46
jfgauron
538 4 2019-06-25 14:45:41
47
gorebrau
535 12 2018-03-18 13:53:40
48
marcan2020
529 18 2019-02-10 03:27:50
49
ExKiller
529 3 2018-12-09 14:12:09
50
europa
525 348 2017-12-12 15:27:09

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2019-11-22 05:56:45 Some martian message t0mcr00se
2019-11-22 04:24:56 See No Evil - Part 1 toboxos
2019-11-22 02:55:38 Someone steal my flag! Sidfoxtrot
2019-11-22 02:47:10 Can you see through the star jaydie
2019-11-22 02:35:17 Level2 Pwnage Linux Level Up pwnalone
2019-11-22 02:25:58 Time to learn x86 ASM & gdb jaydie
2019-11-22 02:21:37 Bash Jail 1 SanShei
2019-11-22 01:58:42 Hide my ass in my home! SanShei
2019-11-22 01:53:21 I made a dd of Agent Smith usb key SanShei
2019-11-22 01:49:20 Level1 Pwnage Linux Level Up pwnalone

The latest write-up with special mention


The latest challenges added

Challenge Points Category
I love tea! 4 Reverse Engineering
Homemade craptography #2 7 Cryptography
Lost API 5 Web
The archive 5 Web
Even the Odds 4 Steganography


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.


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