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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 - 36604 players

Position Username Points Gold Last Validation Special Mention
51
maxenced
555 43 2017-03-08 08:01:22
52
klammydia
555 33 2020-06-15 15:12:49
53
M.tucX
553 0 2018-04-15 22:00:18
54
jfgauron
538 4 2019-06-25 14:45:41
55
rungekutta
536 1 2019-11-30 14:07:49
56
gorebrau
535 12 2018-03-18 13:53:40
57
ExKiller
529 3 2018-12-09 14:12:09
58
europa
525 348 2017-12-12 15:27:09
59
Barberousse
510 167 2020-09-02 12:43:26
60
Shill
501 49 2019-05-14 23:49:35
61
anujkrr317
500 1 2019-02-28 17:24:35
62
ProloG-Shaman
490 4 2020-05-20 20:43:29
63
Boschko
483 29 2020-08-03 02:27:03
64
blakeks4711
482 6 2019-10-27 14:33:32
65
nospace
476 0 2019-11-29 13:48:23
66
Sm4sh3r
475 0 2020-03-03 01:38:51
67
MrBurks
472 95 2020-06-20 14:51:37
68
Varsag
472 0 2015-04-07 07:13:52
69
sarin
471 1 2018-06-14 13:30:41
70
flouflou
470 0 2020-07-09 22:46:44
71
kraken
469 19 2019-06-05 07:00:41
72
flxflndy
464 0 2019-03-03 09:43:49
73
Werclues
461 0 2019-09-12 19:42:44
74
SaxX
455 14 2016-02-25 12:01:04
75
tristan
455 0 2020-09-15 22:43:10
76
CorpOfHack
452 0 2017-09-28 09:39:53
77
vcapra1
445 75 2020-08-11 15:00:27
78
MtucX
442 1 2019-03-27 14:51:50
79
salt
435 250 2019-03-24 01:07:08
80
govlog
432 1 2018-04-27 17:33:07
81
MusicLegend98
431 0 2020-06-24 14:53:20
82
xyzzy5475
428 328 2019-09-13 13:54:40
83
solarwind
427 0 2017-07-04 02:41:01
84
Charo
423 0 2017-01-16 00:17:40
85
blablazej
419 0 2017-08-17 09:47:49
86
s7dn9y
419 0 2015-05-01 23:27:10
87
mantz
415 2 2019-09-30 02:40:59
88
carapas
411 1 2017-11-04 14:38:12
89
Radu
410 1 2019-05-11 08:58:12
90
tunelko
408 0 2017-04-25 02:46:51
91
love0day
408 0 2017-01-02 00:48:37
92 Agent24-D 401 83 2020-09-19 19:48:04
93
mukkul007
401 0 2020-04-22 18:52:09
94
Snider
398 5 2018-07-11 10:45:02
95
chrisdryden
398 0 2020-09-15 16:54:39
96
sambecks
391 22 2016-05-05 12:02:20
97
markmark
391 0 2018-04-23 20:31:44
98
capsl
391 0 2016-02-14 18:48:16
99
ramza500
390 19 2018-05-27 00:27:46
100
pylessard
388 15 2017-01-14 02:01:38

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2020-09-20 13:10:48 Hashing is more secure FunkeJupiter009
2020-09-20 13:00:21 Client side validation is bad! FunkeJupiter009
2020-09-20 12:45:31 Bash Jail 2 lyes2077
2020-09-20 12:41:23 You're lost? Use the map FunkeJupiter009
2020-09-20 12:13:29 Bash Jail 1 lyes2077
2020-09-20 12:04:55 Most basic SQLi pattern. aditya_sh
2020-09-20 11:46:39 Big Brother is watching gigantgigant
2020-09-20 11:42:44 I saw a little elf lomik
2020-09-20 11:40:01 Bash Jail 1 mrd
2020-09-20 11:04:24 Can you see through the star 1hltjmp1b

The latest write-up with special mention


The latest challenges added

Challenge Points Category
UploadStar Reloaded 5 Web
UploadStar 3 Web
SSO Service 4 Cryptography
Space Invaders 4 Reverse Engineering
Don't flip out, Thomas! 7 Software Defined Radio


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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