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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 - 40015 players

Position Username Points Gold Last Validation Special Mention
101
sambecks
391 22 2016-05-05 12:02:20
102
markmark
391 0 2018-04-23 20:31:44
103
capsl
391 0 2016-02-14 18:48:16
104
ramza500
390 19 2018-05-27 00:27:46
105
mikejam
390 0 2020-10-21 11:23:58
106
pylessard
388 15 2017-01-14 02:01:38
107
yayctf
388 0 2018-08-15 22:49:20
108
Decay
384 11 2019-05-11 19:55:20
109
kasia-tutej
384 10 2020-09-11 11:24:59
110
falcon
384 0 2019-12-05 04:22:34
111
zerosum0x0
377 0 2020-02-05 20:05:26
112
Mister_Bert0ni
375 0 2017-06-24 15:54:59
113
techr0n
374 13 2019-01-27 05:14:40
114
uaf.io
371 8 2017-03-14 01:40:03
115
andreaf83
370 113 2018-03-05 16:57:35
116
ekse
367 7 2020-03-07 15:43:36
117
Fox1337
367 6 2020-07-30 22:09:11
118
flash2307
363 0 2021-08-24 21:04:27
119
freak_out
363 0 2017-12-16 16:40:51
120
Akorlith
361 0 2019-10-17 23:23:33
121
mnadeau
359 1 2021-08-19 15:41:23
122
tanovich
358 1 2018-10-06 12:53:14
123
hsp
354 28 2020-12-06 17:21:23
124
Felis-Sapiens
353 0 2016-10-07 07:18:23
125
0xFF1E071F
352 0 2021-09-09 09:37:20
126
bluerng
350 1 2018-04-18 06:41:41
127
noble
350 0 2021-04-17 01:33:00
128
Cyberslash17
349 10 2021-06-18 22:20:01
129
stefano118
349 1 2019-04-27 21:31:10
130
_Unkn0wn_
343 9 2017-08-28 13:14:18
131
kensalt
340 0 2021-04-30 15:17:27
132
div
340 0 2019-04-15 17:01:50
133
Fooker
337 2 2018-04-27 16:40:49
134
jeromeS
334 2 2020-12-06 22:16:35
135
dank23
334 1 2020-03-25 01:14:26
136
fatihender
332 118 2017-08-22 05:26:58
137
arthepsy
328 0 2017-11-15 17:26:50
138
wiz3kid
327 10 2019-06-01 12:31:28
139
benjamin6A
327 0 2020-02-08 01:49:44
140
HPx
325 2 2015-03-05 16:20:00
141
TyrannoKing
322 10 2015-07-20 00:13:07
142
rebe11ion
322 0 2019-05-17 23:43:13
143
privat
319 18 2021-06-02 21:34:33
144
nitbx
319 1 2019-01-30 01:54:01
145
baklava
319 0 2020-08-18 20:07:09
146
gsdt
316 2 2019-11-02 00:11:43
147
wszostak
314 0 2020-03-18 18:33:45
148
ts
314 0 2016-04-15 08:47:00
149
christrc
311 13 2018-08-04 12:37:18
150
d4sher
310 1 2017-11-14 04:23:07

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2021-09-22 06:57:03 Level1 Pwnage Linux Level Up ezi0x00
2021-09-22 06:15:09 Most basic SQLi pattern. spaceface
2021-09-22 06:11:37 You're lost? Use the map spaceface
2021-09-22 06:07:20 Big Brother is watching spaceface
2021-09-22 06:04:03 Looking for password file spaceface
2021-09-22 05:24:57 Bash Jail 1 spaceface
2021-09-22 05:21:48 Level1 Pwnage Linux Level Up rossitang
2021-09-21 19:57:14 Unreadable captcha ert
2021-09-21 17:10:09 Martian message part 2 bsk01217
2021-09-21 17:02:25 Fashion Victim bsk01217

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Evil X 8 Malware Analysis
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


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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