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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.

Bitcoin: 16vqCWxyjvJPcVAuYnXr6FCvM9mDCsr1Ra | Ethereum: 0x6052363B113d90701E35768487643636134f3f2f


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 - 27570 players

Position Username Points Gold Last Validation
51
Varsag
472 0 2015-04-07 07:13:52
52
sarin
471 1 2018-06-14 13:30:41
53
pwndre
466 25 2018-07-16 08:40:40
54
flxflndy
464 0 2019-03-03 09:43:49
55
kraken
460 16 2019-03-06 06:39:28
56
SaxX
455 14 2016-02-25 12:01:04
57
CorpOfHack
452 0 2017-09-28 09:39:53
58
MtucX
437 1 2019-01-30 20:05:52
59
govlog
432 1 2018-04-27 17:33:07
60
sushi
430 257 2018-12-09 01:41:25
61
solarwind
427 0 2017-07-04 02:41:01
62
Charo
423 0 2017-01-16 00:17:40
63
blablazej
419 0 2017-08-17 09:47:49
64
s7dn9y
419 0 2015-05-01 23:27:10
65
Laish
413 171 2019-02-08 15:24:23
66
ProloG-Shaman
413 4 2019-02-05 15:45:29
67
alxbl
411 20 2019-01-24 23:09:41
68
carapas
411 1 2017-11-04 14:38:12
69
Radu
409 1 2019-01-08 14:14:59
70
tunelko
408 0 2017-04-25 02:46:51
71
love0day
408 0 2017-01-02 00:48:37
72
mantz
401 2 2017-09-07 03:41:24
73
Snider
398 5 2018-07-11 10:45:02
74
rootkitg
393 0 2019-03-14 16:09:38
75
sambecks
391 22 2016-05-05 12:02:20
76
jfgauron
391 9 2019-01-05 22:10:01
77
markmark
391 0 2018-04-23 20:31:44
78
capsl
391 0 2016-02-14 18:48:16
79
ramza500
390 19 2018-05-27 00:27:46
80
pylessard
388 15 2017-01-14 02:01:38
81
yayctf
388 0 2018-08-15 22:49:20
82
Werclues
386 0 2019-02-06 19:21:06
83
Mister_Bert0ni
375 0 2017-06-24 15:54:59
84
techr0n
374 13 2019-01-27 05:14:40
85
uaf.io
371 8 2017-03-14 01:40:03
86
andreaf83
370 113 2018-03-05 16:57:35
87
MrBurks
370 95 2019-03-12 17:32:19
88
xyzzy5475
369 293 2018-04-15 11:50:07
89
freak_out
363 0 2017-12-16 16:40:51
90
Decay
360 11 2019-01-22 01:53:29
91
tanovich
358 1 2018-10-06 12:53:14
92
madness
356 293 2019-02-06 16:53:17
93
Felis-Sapiens
353 0 2016-10-07 07:18:23
94
bluerng
350 1 2018-04-18 06:41:41
95
theindian
348 253 2019-03-04 17:35:19
96
nospace
348 0 2017-08-09 19:12:32
97
stefano118
345 1 2018-05-16 03:15:41
98
_Unkn0wn_
343 9 2017-08-28 13:14:18
99
ekse
342 12 2019-02-28 21:05:09
100
blakeks4711
337 6 2019-03-08 19:33:40

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2019-03-18 11:33:56 Hash me please Sapessi
2019-03-18 11:27:19 Martian message part 2 Sapessi
2019-03-18 11:22:30 Some martian message Sapessi
2019-03-18 11:15:47 Facebook will never forget this one jdubdbg
2019-03-18 11:10:37 Most Secure Crypto Algo Sapessi
2019-03-18 11:00:25 Then obfuscation is more secure Sapessi
2019-03-18 10:56:57 Hashing is more secure Sapessi
2019-03-18 10:54:49 Client side validation is bad! Sapessi
2019-03-18 10:52:55 Victor you're hidding me something Sapessi
2019-03-18 10:32:31 Who I am? Sapessi

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Let's Play Scrabble! Part 2 5 Cryptography
Let's Play Scrabble! 3 Cryptography
Stop the violence 5 Steganography
Super Lottery 5 Web
Hacking skill are optional 1 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.


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