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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 Discord Server.

Join the Discord now!

Challenges

Currently more than 300 challenges are available over 15 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 - 37913 players

Position Username Points Gold Last Validation Special Mention
101
mikejam
390 0 2020-10-21 11:23:58
102
pylessard
388 15 2017-01-14 02:01:38
103
yayctf
388 0 2018-08-15 22:49:20
104
Decay
384 11 2019-05-11 19:55:20
105
kasia-tutej
384 10 2020-09-11 11:24:59
106
falcon
384 0 2019-12-05 04:22:34
107
chl0r
380 0 2020-09-20 17:47:54
108
zerosum0x0
377 0 2020-02-05 20:05:26
109
Mister_Bert0ni
375 0 2017-06-24 15:54:59
110
techr0n
374 13 2019-01-27 05:14:40
111
uaf.io
371 8 2017-03-14 01:40:03
112
andreaf83
370 113 2018-03-05 16:57:35
113
ekse
367 7 2020-03-07 15:43:36
114
Fox1337
367 6 2020-07-30 22:09:11
115
freak_out
363 0 2017-12-16 16:40:51
116
Akorlith
361 0 2019-10-17 23:23:33
117
tanovich
358 1 2018-10-06 12:53:14
118
mnadeau
357 1 2020-05-22 15:18:56
119
hsp
354 28 2020-12-06 17:21:23
120
Felis-Sapiens
353 0 2016-10-07 07:18:23
121
bluerng
350 1 2018-04-18 06:41:41
122
stefano118
349 1 2019-04-27 21:31:10
123
_Unkn0wn_
343 9 2017-08-28 13:14:18
124
noble
342 0 2020-11-26 18:07:30
125
div
340 0 2019-04-15 17:01:50
126
Fooker
337 2 2018-04-27 16:40:49
127
jeromeS
334 2 2020-12-06 22:16:35
128
dank23
334 1 2020-03-25 01:14:26
129
kensalt
334 0 2021-01-11 15:10:36
130
fatihender
332 118 2017-08-22 05:26:58
131
arthepsy
328 0 2017-11-15 17:26:50
132
wiz3kid
327 10 2019-06-01 12:31:28
133
benjamin6A
327 0 2020-02-08 01:49:44
134
flash2307
326 0 2020-12-08 21:33:50
135
HPx
325 2 2015-03-05 16:20:00
136
TyrannoKing
322 10 2015-07-20 00:13:07
137
rebe11ion
322 0 2019-05-17 23:43:13
138
nitbx
319 1 2019-01-30 01:54:01
139
baklava
319 0 2020-08-18 20:07:09
140
gsdt
316 2 2019-11-02 00:11:43
141
wszostak
314 0 2020-03-18 18:33:45
142
ts
314 0 2016-04-15 08:47:00
143
christrc
311 13 2018-08-04 12:37:18
144
d4sher
310 1 2017-11-14 04:23:07
145
colonelzombie
309 0 2018-06-12 02:37:28
146
kichung
308 0 2018-05-18 12:13:44
147
hugbed
307 91 2017-11-04 23:57:06
148
zM_
307 6 2019-06-30 09:43:34
149
funny_guy
306 2 2020-03-04 07:38:51
150
c0l0a0f8
306 0 2020-10-03 09:26:52

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2021-01-26 02:32:19 Words mean something? elchals
2021-01-26 02:11:32 File recovery adrian2117
2021-01-26 01:59:13 You're Drunk! adrian2117
2021-01-26 01:52:25 Some martian message adrian2117
2021-01-25 21:19:54 Then obfuscation is more secure pynchon
2021-01-25 21:08:54 Hashing is more secure pynchon
2021-01-25 21:04:31 Client side validation is bad! pynchon
2021-01-25 20:22:44 PHP feature or 0day? nostoc
2021-01-25 20:11:59 Gift as a Service Part 2 nostoc
2021-01-25 19:48:42 Can you see through the star pynchon

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Reindeer Game 5 Reverse Engineering
Gift as a Service Part 2 2 Reverse Engineering
Gift as a Service Part 1 3 Web
Find your path 9 Cryptography
This malware excels Part 4 5 Malware Analysis


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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