Switch to lite version Switch to dark theme

About nopernik

Usernamenopernik
CountryIsrael
Member since2016-08-21
Coins66
Points972
Write-up with special mention9
Ranking29 / 48570
Challenges completed263 / 391

Challenge Write-up with special mention
Web
Propaganda mail
185.txt
SQL Injection
stackoverflow.com lied to me... again
271-Stackoverflow-Lied.txt
Cryptography
You're Drunk!
274.py
Steganography
Hidden In Plain Sight
188-xor-all-the-things.py
Forensics
Really Depressed Protocol
117.py
Reverse Engineering
Kernel introduction
72.c
Reverse Engineering
Introduction to MIPS
53.c
Malware Analysis
Capture 2 Part 6
207-memory-payload-forensics.py
Forensics
802.1X Part 1
192.txt
Validation date Challenge Number of points
2023-06-18 18:17:36
NorthSec 2023
Ask G.O.D (01/18)
3
2023-02-06 08:59:09
Steganography
The vestige of dial-up Internet
2
2023-02-06 02:27:12
Steganography
The Sloth
2
2023-02-06 01:51:45
NorthSec 2021
Knight Portal (2/3)
2
2023-02-06 01:41:37
NorthSec 2021
Knight Portal (1/3)
2
2023-02-06 01:33:35
NorthSec 2021
Farmer Search (3/3)
4
2023-02-06 00:48:31
NorthSec 2021
Farmer Search (2/3)
2
2023-02-05 22:34:19
NorthSec 2021
Farmer Search (1/3)
3
2023-02-05 21:42:19
NorthSec 2021
Reading Through the Cloud
4
2023-02-05 21:35:51
NorthSec 2021
Crapto Century
3
2023-01-23 22:00:47
Web
Timesheet As a Service
5
2022-01-12 07:46:22
Web
Hacking skill are optional
1
2021-12-28 04:14:14
Cryptography
Rusty RSA message signing service
9
2021-12-21 11:34:50
Reverse Engineering
The supreme bash
7
2021-12-21 07:06:23
Malware Analysis
Evil X
8
2021-12-20 12:29:09
Reverse Engineering
Pwndr3 Authenticator
5
2021-12-18 21:44:20
Reverse Engineering
I love tea!
4
2021-12-18 09:50:25
Malware Analysis
WebShell of Hell
5
2021-12-13 09:49:00
Malware Analysis
This malware excels Part 4
5
2021-12-12 21:20:43
Malware Analysis
This malware excels Part 3
2
2021-12-12 19:38:54
Web
Serial killer part 2
6
2021-12-10 13:15:50
Web
The archive
5
2021-12-10 12:44:46
Cryptography
Crypto Leak
4
2021-12-07 13:03:34
Malware Analysis
This malware excels Part 1
2
2021-12-07 12:52:32
Malware Analysis
This malware excels Part 2
1
2021-12-06 14:28:02
Cryptography
Crypto over the network
4
2021-12-06 09:22:12
Malware Analysis
Capture 1 Part 4
2
2021-08-05 19:04:33
Reverse Engineering
Reindeer Game
5
2021-08-05 18:47:03
Reverse Engineering
Phenix Golgoth
5
2021-08-05 16:56:04
Pwnage Linux
All You Need Is a Client
8
2021-08-05 07:45:39
Pwnage Linux
The Vault
3
2021-08-05 06:46:15
Pwnage Linux
Level1 Pwnage Linux Level Up
1
2021-08-04 21:49:44
Coding Challenges
Classic Sudoku
7
2021-08-04 21:08:25
Web
Captcha III
4
2021-08-04 19:46:20
Reverse Engineering
Gift as a Service Part 2
2
2021-08-04 19:05:10
Web
Gift as a Service Part 1
3
2020-09-16 13:00:24
Web
Beyond Reality Part 2
5
2020-09-14 21:28:31
Shellcoding
Linux x64 shellcoding level 4
8
2020-09-14 21:05:41
Coding Challenges
Ask your grandpa again!
4
2020-09-14 18:41:05
Shellcoding
Linux x64 shellcoding level 3
6
2020-09-14 18:06:20
Shellcoding
Linux x64 shellcoding level 2
4
2020-09-14 16:10:12
Web
Beyond Reality Part 1
3
2020-09-14 12:51:37
Forensics
The good, the bad and the ugly
2
2020-09-14 12:47:12
Jail Escaping
PyJail 1
3
2020-09-14 12:29:36
Jail Escaping
C Jail 3
3
2020-09-14 12:01:25
Jail Escaping
C Jail 2
2
2020-09-14 11:58:57
Jail Escaping
C Jail 1
1
2020-09-14 10:53:44
Reverse Engineering
See No Evil - Part 4
4
2020-09-14 10:53:10
Reverse Engineering
See No Evil - Part 3
3
2020-09-14 10:52:18
Reverse Engineering
See No Evil - Part 2
3
2020-09-14 10:51:06
Reverse Engineering
See No Evil - Part 1
2
2020-09-14 10:15:01
Exotic Data Storage
I forgot my password
3
2020-09-14 09:29:48
Exotic Data Storage
DON'T login as admin
2
2020-09-14 09:03:17
Jail Escaping
PHP Jail 5
6
2020-09-13 23:20:20
Jail Escaping
PHP Jail 4
4
2020-09-13 22:59:22
Jail Escaping
PHP Jail 3
3
2020-09-13 22:37:19
Cryptography
SSO Service
4
2020-09-13 22:08:40
Steganography
Your old friend Orloge Simard
3
2020-09-13 21:21:09
Forensics
I love cat
2
2020-09-13 21:16:49
Steganography
A ghost sound
2
2020-09-13 20:17:45
Cryptography
Malcolm
7
2020-09-13 13:48:41
Web
UploadStar Reloaded
5
2020-09-11 08:49:42
Web
UploadStar
3
2020-09-10 20:23:07
Web
Lost API
5
2020-09-10 16:58:51
Reverse Engineering
Virtual World
5
2020-09-10 13:28:18
Reverse Engineering
Smart enough?
5
2020-09-09 22:22:01
Coding Challenges
Ask your grandpa!
2
2020-09-09 16:56:33
Cryptography
Let's Play Scrabble!
3
2020-09-06 21:45:06
Web
Captcha IV
3
2020-09-06 20:05:46
Web
NeuroSoft: Observation Unit Center
3
2020-09-06 19:23:21
Web
Super Lottery Reloaded
7
2020-09-06 10:10:10
Web
Super Lottery
5
2020-09-06 09:48:14
Web
Ping It!
7
2020-09-06 09:08:36
Web
JWT pitfall 1
3
2020-09-05 15:34:49
Coding Challenges
Number game
7
2019-03-17 23:28:09
SysAdmin Linux
SysAdmin Part 5
2
2019-03-17 22:49:51
SysAdmin Linux
SysAdmin Part 8
4
2019-03-17 22:10:33
SysAdmin Linux
SysAdmin Part 4
2
2019-03-17 21:53:50
SysAdmin Linux
SysAdmin Part 3
1
2019-03-17 21:49:57
SysAdmin Linux
SysAdmin Part 2
1
2019-03-17 21:13:51
SysAdmin Linux
SysAdmin Part 7
4
2019-03-17 21:10:29
SysAdmin Linux
SysAdmin Part 6
3
2019-03-17 21:03:30
SysAdmin Linux
SysAdmin Part 1
1
2018-11-06 02:22:10
SQL Injection
Don't Stumble in the Process
4
2018-05-28 21:45:23
Reverse Engineering
The MI7 password prompt
5
2018-05-28 20:08:35
Forensics
Meat Loaf
2
2018-05-28 19:27:13
Forensics
802.1X Part 2
8
2018-05-28 00:57:48
Forensics
802.1X Part 1
4
2018-05-26 15:55:19
Web
Read the unreadable
5
2018-05-14 00:10:55
Reverse Engineering
Back to our roots
5
2018-05-13 23:54:52
Reverse Engineering
Can I speak with the kernel?
5
2018-05-13 22:28:14
Reverse Engineering
Update Manager
6
2018-05-13 02:42:12
Reverse Engineering
Flag stealer
6
2018-05-13 00:19:46
Reverse Engineering
RingZer0 Authenticator
5
2018-05-12 13:12:02
Reverse Engineering
Let's take a detour
4
2018-05-09 03:51:11
Reverse Engineering
Wrong byte!
4
2018-05-09 03:12:00
Reverse Engineering
Windows API for the win
4
2018-05-09 00:26:23
Reverse Engineering
ASM Lovers
4
2018-05-08 20:49:09
Malware Analysis
Capture 2 Part 6
7
2018-05-07 17:05:40
Malware Analysis
Capture 1 Part 7
3
2018-05-07 06:00:18
Malware Analysis
Capture 2 Part 5
4
2018-05-06 22:26:16
Malware Analysis
Capture 1 Part 2
1
2018-05-06 20:54:33
Malware Analysis
Capture 1 Part 5
3
2018-05-06 13:20:51
Malware Analysis
Capture 1 Part 3
1
2018-05-06 12:53:28
Malware Analysis
Capture 1 Part 6
3
2018-05-05 20:18:49
Reverse Engineering
Altera?
4
2018-05-05 03:03:07
Reverse Engineering
Old School
4
2018-05-05 01:11:50
Reverse Engineering
Introduction to ARM
4
2018-05-05 00:49:33
Reverse Engineering
I never forget the Nintendo 64
3
2018-05-05 00:42:23
Reverse Engineering
Windows x86 reversing is cool
3
2018-05-05 00:14:00
Reverse Engineering
Introduction to MIPS
3
2018-05-04 23:46:06
Reverse Engineering
Kernel introduction
3
2018-05-04 22:47:02
Reverse Engineering
Intro To Sparc
3
2018-05-04 17:25:44
Reverse Engineering
Heap allocator
3
2018-05-04 16:04:12
Reverse Engineering
Crack Me 1
3
2018-05-04 04:11:18
Reverse Engineering
Can you see through the star
2
2018-05-04 04:02:29
Reverse Engineering
Time to learn x86 ASM & gdb
2
2018-05-04 03:51:29
Steganography
Pixel Everywhere
2
2018-05-04 03:03:32
Malware Analysis
APT 1337
4
2018-05-04 01:49:14
Malware Analysis
RAO democracy
4
2018-05-03 23:41:07
Malware Analysis
Capture 2 Part 1
1
2018-05-03 21:24:22
Malware Analysis
Capture 2 Part 2
1
2018-05-03 21:22:19
Malware Analysis
Capture 2 Part 3
1
2018-05-03 20:45:26
Malware Analysis
Capture 2 Part 4
3
2018-05-03 15:52:32
Coding Challenges
Execute me if you can again
6
2018-05-01 00:21:25
Coding Challenges
I saw a little elf
4
2018-04-30 23:39:13
Coding Challenges
Read me if you can
6
2018-04-29 02:30:41
JavaScript
WTF Lol!
6
2018-04-29 01:09:21
Forensics
Really Depressed Protocol
7
2018-04-28 10:48:08
Forensics
Russian Crypto Roulette
6
2018-04-23 12:43:31
Malware Analysis
Capture 1 Part 1
1
2018-04-12 14:44:44
Cryptography
Welcome to the asylum
6
2018-04-11 02:43:42
Steganography
Can you see through the matrix!
3
2018-04-11 02:17:28
Steganography
Brainsick
2
2018-04-11 02:12:51
Steganography
Missing Pieces
2
2018-04-11 02:07:21
Steganography
I'm Goronyo Babad Nigerian prince
2
2018-04-11 01:44:16
Steganography
Love Letter
3
2018-04-11 01:34:33
Steganography
Victor reloaded
2
2018-04-11 01:20:37
Steganography
Look inside the house
2
2018-04-11 01:11:41
Steganography
Hidden In Plain Sight
2
2018-04-11 00:53:51
Steganography
You're lost? Use the map
1
2018-04-11 00:41:57
Steganography
Victor you're hidding me something
1
2018-04-10 14:53:06
Cryptography
Pattern is the key
6
2018-04-09 20:52:02
Web
Secure Mail
8
2018-04-09 15:47:40
Cryptography
Can you understand this sentence?
3
2018-04-09 00:26:34
Forensics
Who I am?
2
2018-04-08 03:30:56
Forensics
We got breached again
6
2018-04-08 01:26:22
Forensics
Spy my girl
5
2018-04-08 00:23:53
Forensics
Someone steal my flag again
5
2018-04-07 21:01:09
Forensics
We got breached
5
2018-04-07 18:35:36
Forensics
R.I.P MsPaint
4
2018-04-07 08:15:50
Forensics
Agent Smith reloaded
4
2018-04-07 06:58:14
Forensics
Poor internet connection
4
2018-04-07 05:53:24
Forensics
Someone steal my flag!
3
2018-04-07 04:16:40
Forensics
The words flew but writing remains
3
2018-04-07 03:50:33
Forensics
Hey Chuck where is the flag?
2
2018-04-07 03:17:57
Forensics
Hide my ass in my home!
2
2018-04-07 03:11:43
Forensics
3 / 3 Suspicious account password?
4
2018-04-07 03:07:33
Forensics
2 / 3 Did you see my desktop?
3
2018-04-07 02:59:34
Forensics
1 / 3 Do not waste the environment
2
2018-04-06 07:47:23
SQL Injection
!Mysql + Brain fart
13
2018-04-06 03:16:28
SQL Injection
Internet As A Service
7
2018-04-06 00:36:44
Forensics
Ping pong
5
2018-04-05 04:31:02
SQL Injection
Login portal 6
10
2018-04-05 03:08:21
SQL Injection
Login portal 5
8
2018-04-05 00:56:18
SQL Injection
Login portal 4
7
2018-04-04 15:47:10
SQL Injection
0 Day Store
3
2018-04-02 23:44:03
Forensics
Attention Dinosaure Survive
2
2018-04-02 23:20:21
Forensics
Dr. Pouce
2
2018-04-02 23:01:24
Forensics
I made a dd of Agent Smith usb key
1
2018-04-02 22:57:38
Forensics
Who I am part 2
1
2018-04-02 19:15:24
Cryptography
Is it a secure string?
5
2018-04-02 17:37:43
Cryptography
TotalSecure Message Encrypter
6
2018-04-01 20:04:40
Cryptography
Crypto is not good as you think
8
2018-04-01 16:30:27
Cryptography
Crypto Object
4
2018-03-31 23:42:29
Cryptography
Encrypted Zip
4
2018-03-31 23:25:02
Cryptography
I Lost my password
3
2018-03-31 23:09:06
Cryptography
Martian message part 3
3
2018-03-31 19:33:05
Cryptography
Hangovers and more: Bacon
3
2018-03-31 19:22:35
Cryptography
Martian message part 2
2
2018-03-31 19:12:18
Cryptography
Public key recovery
2
2018-03-31 19:02:06
Cryptography
Fashion Victim
2
2018-03-31 16:38:09
Cryptography
File recovery
1
2018-03-31 16:24:31
Cryptography
You're Drunk!
1
2018-03-31 15:46:23
Web
PHP feature or 0day reloaded?
6
2018-03-30 18:24:11
Web
Freedom Firewall
5
2018-03-30 13:29:44
Web
Looking for god in your life?
8
2018-03-30 00:52:15
Web
Orao's factory
6
2017-10-21 02:10:48
Web
XPATH of hell!
7
2017-10-21 02:05:10
Web
I hate this one
6
2017-10-19 21:37:02
SQL Injection
The useless search tool
8
2017-10-19 19:50:58
SQL Injection
Random Login Form
2
2017-10-17 18:14:11
Shellcoding
Basics of Linux x64 shellcoding
2
2017-10-16 23:07:31
SQL Injection
stackoverflow.com lied to me... again
9
2017-10-14 17:01:41
Web
Unreadable captcha
2
2017-10-14 02:19:42
SQL Injection
Groups of hacker
7
2017-10-14 01:10:48
SQL Injection
Size DOES matter
7
2017-10-13 21:27:40
SQL Injection
When it's lite it's not necessarily easy
6
2017-10-13 20:58:16
SQL Injection
Login portal 3
6
2017-10-13 19:07:13
SQL Injection
Hot Single Mom
6
2017-10-13 16:36:35
SQL Injection
Login portal 2
3
2017-10-13 15:30:42
SQL Injection
No more hacking for me!
4
2017-10-13 15:15:07
SQL Injection
Quote of the day reloaded
5
2017-10-13 14:17:59
SQL Injection
Quote of the day
4
2017-10-13 13:19:34
SQL Injection
What's the definition of NULL
3
2017-10-13 13:02:23
SQL Injection
Don't mess with Noemie; she hates admin!
3
2017-10-13 12:52:13
SQL Injection
/etc/passwd
7
2017-10-13 12:47:35
SQL Injection
Thinking outside the box is the key
4
2017-10-13 11:47:27
SQL Injection
Po po po po postgresql
2
2017-10-13 11:38:21
Exotic Data Storage
Just another login form
2
2017-10-13 00:55:11
Coding Challenges
Find the right word
7
2017-10-12 13:09:53
Coding Challenges
Xor me if you can
6
2017-10-12 03:52:35
JavaScript
Why not be more secure?
5
2017-10-12 01:36:27
JavaScript
Most Secure Crypto Algo
2
2017-10-12 01:26:09
JavaScript
Valid key required
2
2017-10-11 06:16:02
Cryptography
Some martian message
1
2017-10-11 05:53:12
Coding Challenges
Ascii Art
6
2017-10-11 05:35:00
Coding Challenges
Hash breaker reloaded again
6
2017-10-11 04:59:53
Coding Challenges
Execute me if you can
5
2017-10-11 04:26:34
Coding Challenges
Hash breaker reloaded
5
2017-10-11 04:14:55
Coding Challenges
Hash breaker
4
2017-10-11 04:03:21
Coding Challenges
I hate mathematics
3
2017-10-11 03:54:48
Coding Challenges
Hash me reloaded
3
2017-10-11 03:34:31
Coding Challenges
Hash me please
2
2017-07-12 13:25:12
SQL Injection
Login portal 1
2
2017-07-12 13:18:53
SQL Injection
ACL rulezzz the world.
2
2017-07-12 13:12:05
SQL Injection
Most basic SQLi pattern.
1
2017-02-26 18:55:51
Web
Password Reset As a Service
5
2017-02-26 13:39:21
Web
REST in peace
3
2017-02-26 11:47:49
Jail Escaping
Bash Jail 5
6
2017-02-25 16:58:59
Jail Escaping
Bash Jail 4
4
2017-02-16 21:28:34
Web
Propaganda mail
4
2017-02-16 20:57:54
Web
Facebook will never forget this one
3
2017-02-16 20:38:33
Web
Serial killer!
3
2017-02-16 19:22:49
Web
Password reset reloaded
3
2017-02-16 19:09:20
Web
Looking for the flag?
3
2017-02-16 08:59:17
Web
PHP feature or 0day?
3
2017-02-16 06:06:16
Web
Security thru obscurity!
2
2017-02-15 20:47:03
Web
PHP Fairy
2
2017-02-15 18:43:36
Web
Malicious upload
2
2017-02-15 18:27:46
Web
XSS Challenge 5
6
2017-02-15 18:23:45
Web
XSS Challenge 3
3
2017-02-15 18:17:35
Web
XSS Challenge 4
3
2017-02-15 18:06:06
Web
Captcha II
4
2017-02-15 08:16:30
Web
Captcha I
2
2017-02-14 20:41:59
Web
Password reset
2
2017-02-14 19:47:55
Web
Admin Portal
2
2017-02-14 19:39:50
Web
Headache
1
2017-02-14 19:39:05
Web
Words mean something?
1
2017-02-14 19:34:18
Web
Area 51
1
2017-02-14 19:21:27
Web
XSS Challenge 1
2
2017-02-14 19:03:50
Web
XSS Challenge 2
2
2016-08-22 20:16:26
Web
Looking for password file
1
2016-08-22 20:00:57
Web
Big Brother is watching
1
2016-08-22 19:12:32
Jail Escaping
PHP Jail 2
2
2016-08-22 18:48:37
Jail Escaping
PHP Jail 1
1
2016-08-22 15:08:04
Jail Escaping
Bash Jail 3
3
2016-08-21 19:53:21
Jail Escaping
Bash Jail 2
2
2016-08-21 18:46:53
Jail Escaping
Bash Jail 1
1
2016-08-21 17:58:35
JavaScript
Why not?
2
2016-08-21 17:46:37
JavaScript
Then obfuscation is more secure
1
2016-08-21 17:44:01
JavaScript
Hashing is more secure
1
2016-08-21 17:40:00
JavaScript
Client side validation is bad!
1
top