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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.

You can also donate by sending bitcoin. 1GGSvqGm8NhE1h7hfkAzd5seTsnUfYR4oR

Chat / Questions / Help

You'll find all what you need in the Slack Channel. https://ringzer0team.slack.com

https://ringzer0team.slack.com

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 »


Scoreboard - 16966 players

Position Username Points Gold Last Validation
51
klammydia
381 15 2017-02-20 19:33:16
52
uaf.io
371 8 2017-03-14 01:40:03
53
Snider
362 5 2017-05-17 05:16:38
54
ProloG-Shaman
360 4 2017-05-19 11:53:59
55
freak_out
357 0 2017-02-01 08:43:56
56
tanovich
355 1 2017-02-02 04:08:35
57
yayctf
354 0 2017-03-08 12:46:58
58
Felis-Sapiens
353 0 2016-10-07 07:18:23
59
andreaf83
352 113 2016-09-05 06:54:18
60
ekse
340 15 2016-07-28 06:55:49
61
stefano118
339 1 2016-08-27 23:25:22
62
lixtelnis
332 0 2017-05-10 22:09:13
63
fatihender
328 123 2017-02-21 03:22:45
64
dank23
325 2 2016-04-25 17:37:23
65
HPx
325 2 2015-03-05 16:20:00
66
Fooker
324 2 2016-04-28 14:30:16
67
TyrannoKing
322 10 2015-07-20 00:13:07
68
Mister_Bert0ni
322 0 2017-05-22 10:47:49
69
ts
314 0 2016-04-15 08:47:00
70
arthepsy
312 0 2016-11-23 11:11:57
71
MtucX
310 1 2016-06-28 10:04:32
72
snowscan
309 16 2017-05-17 11:03:58
73
ExKiller
307 3 2017-05-22 09:05:48
74
hugbed
305 92 2016-12-25 02:48:28
75
nospace
301 0 2017-04-18 20:04:52
76
slothy
300 1 2017-04-02 23:53:54
77
nitbx
296 0 2017-05-03 19:58:24
78
sushi
295 198 2017-05-17 19:29:57
79
fclout
294 59 2015-06-13 23:20:09
80
christrc
293 13 2017-01-22 12:28:26
81
ramza500
292 28 2017-03-12 19:01:55
82
meme
290 0 2016-09-10 20:14:39
83
OKOB
288 0 2015-04-15 04:58:09
84
Hart_Attack
285 285 2014-06-14 23:26:27
85
kichung
281 0 2017-03-09 16:47:26
86
kalazalak
280 0 2017-01-14 09:48:57
87
evigeant
279 33 2016-05-12 21:20:06
88
pandolia
279 17 2016-09-16 08:06:01
89
limbernie
276 175 2017-02-24 23:12:47
90
ifftq2016
276 10 2017-03-12 21:20:37
91
lavish
274 21 2016-11-08 19:47:41
92
SFT
274 1 2016-03-12 18:00:01
93
M4t
273 37 2016-04-03 14:12:05
94
kasia-tutej
273 3 2017-05-12 09:31:17
95
faaip
273 2 2016-05-14 22:20:42
96
mung
272 147 2017-03-03 12:01:54
97
pwndre
272 17 2016-01-20 02:55:59
98
cg
272 6 2017-03-24 02:22:59
99
Val
272 0 2016-12-12 06:16:56
100
privat
271 18 2017-02-21 23:12:08

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Latest challenges validations

Last validation Challenge User who solved it
2017-05-22 13:30:41 Most basic SQLi pattern. InfiniteUniverse
2017-05-22 13:19:20 SysAdmin Part 4 k4ndar3c
2017-05-22 13:16:34 Hash breaker reloaded Redouane
2017-05-22 12:52:44 SysAdmin Part 2 k4ndar3c
2017-05-22 12:51:22 SysAdmin Part 1 k4ndar3c
2017-05-22 12:41:21 Can you see through the star k4ndar3c
2017-05-22 12:32:20 Time to learn x86 ASM & gdb k4ndar3c
2017-05-22 12:26:53 Ask your grandpa again! t3c404
2017-05-22 12:18:05 Why not? vinegrep
2017-05-22 11:18:20 Basics of Linux x64 shellcoding Lefnui

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Free Flag Encrypter 5 Cryptography
Bash Jail 7 12 Jail Escaping
C Jail 6 14 Jail Escaping
C Jail 5 7 Jail Escaping
C Jail 4 5 Jail Escaping


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.

You can also donate by sending bitcoin. 1GGSvqGm8NhE1h7hfkAzd5seTsnUfYR4oR

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