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.


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 - 33861 players

Position Username Points Gold Last Validation Special Mention
101
techr0n
374 13 2019-01-27 05:14:40
102
kasia-tutej
373 10 2019-10-04 14:40:49
103
uaf.io
371 8 2017-03-14 01:40:03
104
andreaf83
370 113 2018-03-05 16:57:35
105
freak_out
363 0 2017-12-16 16:40:51
106
Akorlith
361 0 2019-10-17 23:23:33
107
ekse
360 7 2019-08-01 19:16:35
108
tanovich
358 1 2018-10-06 12:53:14
109
Felis-Sapiens
353 0 2016-10-07 07:18:23
110
bluerng
350 1 2018-04-18 06:41:41
111
stefano118
349 1 2019-04-27 21:31:10
112
_Unkn0wn_
343 9 2017-08-28 13:14:18
113
div
340 0 2019-04-15 17:01:50
114
hsp
338 28 2020-02-23 19:16:38
115
Fooker
337 2 2018-04-27 16:40:49
116
dank23
333 1 2017-11-10 09:57:06
117
fatihender
332 118 2017-08-22 05:26:58
118
arthepsy
328 0 2017-11-15 17:26:50
119
wiz3kid
327 10 2019-06-01 12:31:28
120
benjamin6A
327 0 2020-02-08 01:49:44
121
HPx
325 2 2015-03-05 16:20:00
122
TyrannoKing
322 10 2015-07-20 00:13:07
123
rebe11ion
322 0 2019-05-17 23:43:13
124
mnadeau
319 1 2020-01-29 14:46:49
125
nitbx
319 1 2019-01-30 01:54:01
126
gsdt
316 2 2019-11-02 00:11:43
127
ts
314 0 2016-04-15 08:47:00
128
christrc
311 13 2018-08-04 12:37:18
129
d4sher
310 1 2017-11-14 04:23:07
130
colonelzombie
309 0 2018-06-12 02:37:28
131
kichung
308 0 2018-05-18 12:13:44
132
hugbed
307 91 2017-11-04 23:57:06
133
zM_
307 6 2019-06-30 09:43:34
134
funny_guy
304 2 2019-12-17 10:51:46
135
slothy
303 1 2017-11-13 22:47:03
136
noble
302 0 2020-01-26 08:21:28
137
ifftq2016
296 10 2019-02-25 08:12:25
138
fclout
294 59 2015-06-13 23:20:09
139
Fox1337
293 6 2019-10-25 13:15:32
140
privat
292 18 2018-05-23 14:42:38
141
OKOB
292 0 2019-11-21 17:29:33
142
meme
290 0 2016-09-10 20:14:39
143
pandolia
286 20 2017-07-29 09:23:10
144
Hart_Attack
285 285 2014-06-14 23:26:27
145 Occupe 285 0 2019-09-16 11:28:46
146
vanhelsing
285 0 2018-07-25 20:48:53
147
xaav
282 70 2020-01-14 12:05:43
148
faaip
282 2 2018-02-13 07:01:27
149
SyraTR
280 8 2020-01-08 07:37:36
150
gai1xeRoh
280 2 2019-07-30 18:26:05

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2020-02-27 18:49:50 Hashing is more secure script
2020-02-27 18:49:37 Hash breaker reloaded again wszostak
2020-02-27 18:43:49 Client side validation is bad! script
2020-02-27 18:34:57 Martian message part 2 chum1ngo
2020-02-27 18:10:29 Looking for password file script
2020-02-27 17:46:23 Hashing is more secure chum1ngo
2020-02-27 17:36:36 I made a dd of Agent Smith usb key cavca
2020-02-27 17:34:28 Most basic SQLi pattern. cavca
2020-02-27 17:31:22 I made a dd of Agent Smith usb key xenoktombedx
2020-02-27 17:30:48 I made a dd of Agent Smith usb key 1N1T

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Ping It! 7 Web
Super Lottery Reloaded 7 Web
I love tea! 4 Reverse Engineering
Homemade craptography #2 7 Cryptography
Lost API 5 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