Switch to lite version Switch to dark theme

About OKOB

UsernameOKOB
CountryUkraine
Member since2015-02-04
Coins0
Points283
Write-up with special mention0
Ranking200 / 50552
Challenges completed76 / 396

Challenge Write-up with special mention
Validation date Challenge Number of points
2019-11-21 17:29:33
Steganography
Pixel Everywhere
2
2019-11-21 13:15:32
Steganography
The Sloth
2
2015-04-15 04:58:09
Web
Security thru obscurity!
2
2015-04-14 16:57:24
Coding Challenges
Execute me if you can again
6
2015-04-14 16:38:36
Coding Challenges
Execute me if you can
5
2015-03-26 17:04:32
Pwnage Linux
Level2 Pwnage Linux Level Up
2
2015-03-26 15:57:31
Pwnage Linux
Level1 Pwnage Linux Level Up
1
2015-03-26 11:14:05
Steganography
Victor reloaded
2
2015-03-25 18:03:27
Shellcoding
Linux x64 shellcoding level 7
14
2015-03-25 17:23:05
Shellcoding
Linux x64 shellcoding level 6
12
2015-03-25 17:16:37
Shellcoding
Linux x64 shellcoding level 5
10
2015-03-25 17:09:32
Shellcoding
Linux x64 shellcoding level 4
8
2015-03-25 17:00:36
Shellcoding
Linux x64 shellcoding level 3
6
2015-03-25 16:54:09
Shellcoding
Linux x64 shellcoding level 2
4
2015-03-25 16:38:59
Shellcoding
Basics of Linux x64 shellcoding
2
2015-03-25 15:40:34
Web
Words mean something?
1
2015-03-25 11:37:05
Reverse Engineering
Trolling the troll
10
2015-03-25 09:24:33
Reverse Engineering
The unknown challenge
11
2015-03-23 10:55:37
Forensics
3 / 3 Suspicious account password?
4
2015-03-23 10:05:32
Forensics
2 / 3 Did you see my desktop?
3
2015-03-23 09:46:49
Forensics
1 / 3 Do not waste the environment
2
2015-03-23 09:21:38
Forensics
Attention Dinosaure Survive
2
2015-03-09 18:36:14
Steganography
A ghost sound
2
2015-03-09 18:15:20
Steganography
Victor you're hidding me something
1
2015-03-09 18:12:27
Software Defined Radio
SigID Level 1
1
2015-03-09 17:22:51
Cryptography
I Lost my password
3
2015-03-08 22:27:44
Coding Challenges
Number game
7
2015-03-08 21:08:23
Coding Challenges
Classic Sudoku
7
2015-03-08 17:17:07
SQL Injection
Most basic SQLi pattern.
1
2015-03-08 16:35:54
Reverse Engineering
Flag stealer
6
2015-03-08 15:49:27
Reverse Engineering
Need a client
6
2015-03-08 07:42:48
Coding Challenges
Hash breaker reloaded
5
2015-03-07 18:16:49
Coding Challenges
I saw a little elf
4
2015-03-03 17:41:54
Forensics
We got breached
5
2015-03-03 16:10:06
Forensics
Agent Smith reloaded
4
2015-03-03 15:02:34
Forensics
Poor internet connection
4
2015-03-03 14:28:38
Coding Challenges
Xor me if you can
6
2015-03-03 13:57:32
Coding Challenges
Ascii Art
6
2015-03-03 12:49:09
Coding Challenges
Read me if you can
6
2015-03-02 15:52:01
Steganography
Your old friend Orloge Simard
3
2015-03-02 15:23:47
Steganography
Brainsick
2
2015-03-02 15:20:31
Steganography
Missing Pieces
2
2015-03-02 12:43:05
Coding Challenges
Hash breaker
4
2015-03-02 11:45:46
Forensics
Hey Chuck where is the flag?
2
2015-03-02 10:18:55
Forensics
Hide my ass in my home!
2
2015-03-02 10:14:59
Forensics
Dr. Pouce
2
2015-03-02 09:45:07
Forensics
I made a dd of Agent Smith usb key
1
2015-02-23 03:34:38
Reverse Engineering
Let's take a detour
4
2015-02-19 12:23:30
Coding Challenges
I hate mathematics
3
2015-02-19 12:12:10
Coding Challenges
Hash me reloaded
3
2015-02-19 12:06:44
Coding Challenges
Hash me please
2
2015-02-19 10:57:32
JavaScript
Why not be more secure?
5
2015-02-19 09:08:41
JavaScript
Most Secure Crypto Algo
2
2015-02-19 08:30:18
JavaScript
Valid key required
2
2015-02-19 05:27:06
JavaScript
Why not?
2
2015-02-18 13:04:40
JavaScript
Then obfuscation is more secure
1
2015-02-18 12:57:57
JavaScript
Client side validation is bad!
1
2015-02-18 12:53:42
JavaScript
Hashing is more secure
1
2015-02-18 12:44:16
Web
Headache
1
2015-02-18 11:56:17
Cryptography
Public key recovery
2
2015-02-18 11:50:23
Cryptography
File recovery
1
2015-02-18 11:36:45
Cryptography
Some martian message
1
2015-02-18 11:33:04
Cryptography
Martian message part 2
2
2015-02-18 05:35:39
Reverse Engineering
Introduction to MIPS
3
2015-02-18 03:05:57
Reverse Engineering
Update Manager
6
2015-02-17 18:35:57
Reverse Engineering
Windows API for the win
4
2015-02-17 18:18:44
Reverse Engineering
Introduction to ARM
4
2015-02-17 18:11:46
Reverse Engineering
I never forget the Nintendo 64
3
2015-02-17 17:59:42
Reverse Engineering
RingZer0 Authenticator
5
2015-02-17 16:54:10
Reverse Engineering
Back to our roots
5
2015-02-17 16:34:29
Reverse Engineering
Wrong byte!
4
2015-02-17 16:07:26
Reverse Engineering
Windows x86 reversing is cool
3
2015-02-17 15:56:23
Reverse Engineering
Kernel introduction
3
2015-02-17 14:52:04
Reverse Engineering
Can you see through the star
2
2015-02-17 14:31:08
Reverse Engineering
Time to learn x86 ASM & gdb
2
2015-02-17 14:23:31
Reverse Engineering
Crack Me 1
3
top