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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.



The RingZer0 Team Online CTF is now proudly hosted by NorthSec.

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 - 43924 players

Position Username Points Gold Last Validation Special Mention
101
carapas
411 1 2017-11-04 14:38:12
102
xaav
409 53 2022-12-08 14:16:18
103
love0day
408 0 2017-01-02 00:48:37
104
tunelko
407 0 2017-04-25 02:46:51
105
flash2307
403 0 2022-06-24 00:52:40
106
div
403 0 2022-02-03 16:24:39
107
mukkul007
401 0 2020-04-22 18:52:09
108
Snider
398 5 2018-07-11 10:45:02
109
ramza500
391 19 2018-05-27 00:27:46
110
markmark
391 0 2018-04-23 20:31:44
111
mikejam
390 0 2020-10-21 11:23:58
112
GinTora
389 1 2022-05-15 00:12:54
113
capsl
389 0 2016-02-14 18:48:16
114
pylessard
388 15 2017-01-14 02:01:38
115
yayctf
388 0 2018-08-15 22:49:20
116
Decay
384 11 2019-05-11 19:55:20
117
kasia-tutej
384 10 2020-09-11 11:24:59
118
falcon
384 0 2019-12-05 04:22:34
119
sambecks
383 22 2016-05-05 12:02:20
120
zerosum0x0
375 0 2020-02-05 20:05:26
121
Mister_Bert0ni
375 0 2017-06-24 15:54:59
122
techr0n
374 13 2019-01-27 05:14:40
123
ekse
374 0 2022-04-27 18:52:43
124
wszostak
373 0 2022-02-08 12:39:09
125
andreaf83
370 113 2018-03-05 16:57:35
126
uaf.io
370 8 2017-03-14 01:40:03
127
Akorlith
370 0 2022-07-13 06:48:16
128
twado
369 121 2022-05-23 23:13:23
129
0xFF1E071F
368 0 2022-02-27 09:29:38
130
Cyberslash17
367 7 2022-08-11 00:51:38
131
Fox1337
367 6 2020-07-30 22:09:11
132
noble
363 0 2022-05-27 13:01:44
133
freak_out
362 0 2017-12-16 16:40:51
134
mnadeau
359 1 2021-08-19 15:41:23
135
testing
359 0 2022-12-01 20:00:49
136
tanovich
358 1 2018-10-06 12:53:14
137
Felis-Sapiens
354 0 2016-10-07 07:18:23
138
stefano118
349 1 2019-04-27 21:31:10
139
bluerng
349 1 2018-04-18 06:41:41
140
hrundelborger
349 0 2022-09-05 18:14:38
141
jeromeS
344 2 2022-05-29 21:01:14
142
_Unkn0wn_
343 9 2017-08-28 13:14:18
143
kensalt
340 0 2021-04-30 15:17:27
144
Fooker
335 2 2022-09-29 12:38:19
145
dank23
334 1 2020-03-25 01:14:26
146
wiz3kid
333 10 2021-12-13 22:38:10
147
fatihender
330 118 2017-08-22 05:26:58
148
benjamin6A
327 0 2020-02-08 01:49:44
149
arthepsy
326 0 2017-11-15 17:26:50
150
HPx
324 2 2015-03-05 16:20:00

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Latest challenges validations

Last validation Challenge User who solved it
2022-12-10 01:35:37 Smart enough? hinata34
2022-12-10 01:15:58 Windows x86 reversing is cool hinata34
2022-12-09 23:40:39 Most basic SQLi pattern. usern
2022-12-09 23:08:52 File recovery BibisBootyPalace
2022-12-09 23:00:54 You're Drunk! BibisBootyPalace
2022-12-09 22:47:47 Some martian message BibisBootyPalace
2022-12-09 18:56:11 stackoverflow.com lied to me... again CyberPi2
2022-12-09 16:42:25 Attention Dinosaure Survive Anonymous.Alyph
2022-12-09 16:37:06 XSS Challenge 2 CyberPi2
2022-12-09 16:20:49 Password reset reloaded CyberPi2

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Farmer Search (3/3) 4 NSEC 2021
Farmer Search (2/3) 2 NSEC 2021
Farmer Search (1/3) 3 NSEC 2021
Reading Through the Cloud 4 NSEC 2021
Crapto Century 3 NSEC 2021


Charles F. Hamilton started RingZer0 website in 2014 by hosting everything in his own garage (Picture here). You can find the list of users that contributed over the years here.


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