Switch to lite version Switch to dark theme

About davidlebr1

Usernamedavidlebr1
CountryCanada
Member since2015-03-09
Coins98
Points703
Write-up with special mention11
Ranking42 / 50417
Challenges completed198 / 396

RingZer0 Discord: @davidlebr1
Twitter : https://twitter.com/DavidLebr1

Challenge Write-up with special mention
Cryptography
Fashion Victim
writeup-156.txt
Web
Password Reset As a Service
web-256.pdf
Steganography
Can you see through the matrix!
steg-10.pdf
Steganography
Love Letter
steg-215.pdf
Cryptography
Crypto over the network
crypto-66.pdf
Steganography
The Sloth
steg-265.pdf
Forensics
Someone steal my flag again
forens-150.pdf
Web
Captcha III
web-289.pdf
Steganography
Stay Classy!
steg-268.pdf
SQL Injection
Groups of hacker
sqli-62.pdf
Web
JWT pitfall 1
web-307.pdf
Validation date Challenge Number of points
2022-04-03 20:26:13
Web
NeuroSoft: Observation Unit Center
3
2022-04-03 18:25:14
NorthSec 2021
Knight Portal (2/3)
2
2022-04-03 18:03:39
NorthSec 2021
Knight Portal (1/3)
2
2022-04-03 17:41:24
NorthSec 2021
Crapto Century
3
2022-04-03 17:40:27
NorthSec 2021
Reading Through the Cloud
4
2020-12-05 18:24:14
Web
UploadStar
3
2020-12-05 18:03:57
Web
Beyond Reality Part 1
3
2020-08-25 23:06:15
Cryptography
Let's Play Scrabble!
3
2020-07-06 14:22:54
Web
Captcha IV
3
2020-02-10 11:37:07
Web
Lost API
5
2020-02-05 16:41:18
Shellcoding
Linux x64 shellcoding level 5
10
2020-01-31 21:54:39
Web
The archive
5
2020-01-31 14:45:54
Web
Super Lottery Reloaded
7
2020-01-31 10:52:09
Web
Ping It!
7
2020-01-28 15:00:26
Shellcoding
Linux x64 shellcoding level 4
8
2020-01-28 12:52:02
Shellcoding
Linux x64 shellcoding level 3
6
2020-01-28 08:59:03
Shellcoding
Linux x64 shellcoding level 2
4
2020-01-28 08:32:16
Shellcoding
Basics of Linux x64 shellcoding
2
2019-07-10 16:44:56
SQL Injection
Login portal 6
10
2019-07-10 10:11:48
SQL Injection
stackoverflow.com lied to me... again
9
2019-06-27 16:17:02
SQL Injection
Login portal 5
8
2019-06-27 13:42:04
SQL Injection
The useless search tool
8
2019-06-20 12:54:41
SQL Injection
/etc/passwd
7
2019-06-18 11:22:41
SQL Injection
Size DOES matter
7
2019-06-04 17:36:30
SQL Injection
Don't Stumble in the Process
4
2019-06-01 18:01:08
Jail Escaping
Bash Jail 4
4
2019-06-01 17:21:20
Exotic Data Storage
Inspiration
6
2019-05-31 20:12:29
Exotic Data Storage
I forgot my password
3
2019-05-31 15:50:28
Exotic Data Storage
DON'T login as admin
2
2019-05-30 11:09:12
Web
JWT pitfall 1
3
2019-04-17 14:50:31
SQL Injection
Internet As A Service
7
2019-04-16 12:09:09
SQL Injection
Login portal 4
7
2019-04-12 16:18:29
SQL Injection
Groups of hacker
7
2019-04-06 16:02:27
Steganography
Stay Classy!
4
2019-03-15 15:07:57
JavaScript
WTF Lol!
6
2019-03-15 10:26:21
Steganography
Crazy Cat Lady
3
2019-03-10 18:20:52
Steganography
5 beautiful colors
3
2019-03-10 13:13:00
Forensics
802.1X Part 2
8
2019-01-30 22:49:01
Web
Super Lottery
5
2018-12-22 21:53:03
Web
Hacking skill are optional
1
2018-10-30 20:28:18
Forensics
Really Depressed Protocol
7
2018-09-20 20:54:58
Forensics
We got breached again
6
2018-09-19 20:49:52
Forensics
Russian Crypto Roulette
6
2018-07-26 20:36:02
Forensics
Ping pong
5
2018-07-20 17:34:55
Web
Captcha III
4
2018-07-20 01:55:53
Steganography
The vestige of dial-up Internet
2
2018-05-28 23:08:00
Forensics
Someone steal my flag again
5
2018-05-27 03:00:22
Forensics
802.1X Part 1
4
2018-05-26 04:08:34
SQL Injection
Hot Single Mom
6
2018-05-25 02:33:44
Web
Looking for god in your life?
8
2018-05-15 21:06:15
Malware Analysis
Capture 1 Part 3
1
2018-05-11 19:36:01
Malware Analysis
Capture 1 Part 2
1
2018-05-11 17:37:03
Jail Escaping
Bash Jail 3
3
2018-05-10 21:29:44
SQL Injection
0 Day Store
3
2018-05-07 20:28:21
Web
Secure Mail
8
2018-04-11 17:48:53
Cryptography
You're Drunk!
1
2017-10-04 22:01:54
Forensics
Spy my girl
5
2017-09-24 16:10:19
Forensics
The words flew but writing remains
3
2017-09-02 10:38:22
Forensics
R.I.P MsPaint
4
2017-08-31 17:21:37
SQL Injection
When it's lite it's not necessarily easy
6
2017-08-31 16:36:08
SQL Injection
Login portal 3
6
2017-08-30 17:34:49
SQL Injection
Quote of the day reloaded
5
2017-08-29 17:43:36
Steganography
The Sloth
2
2017-05-22 20:26:34
Web
XPATH of hell!
7
2017-05-03 18:06:59
Reverse Engineering
Kernel introduction
3
2017-04-29 16:34:37
Reverse Engineering
I never forget the Nintendo 64
3
2017-03-15 16:12:19
SQL Injection
No more hacking for me!
4
2017-03-15 15:22:09
Cryptography
Crypto Object
4
2017-03-09 16:01:50
Cryptography
Crypto is not good as you think
8
2017-03-07 21:00:21
Forensics
Are you Twisted Insane?
3
2017-03-07 20:29:00
Cryptography
Crypto over the network
4
2017-03-04 15:20:35
Steganography
Love Letter
3
2017-03-02 11:46:53
Coding Challenges
Classic Sudoku
7
2017-03-01 13:28:30
Steganography
Can you see through the matrix!
3
2017-02-28 11:06:33
Web
Timesheet As a Service
5
2017-02-27 17:10:12
Web
Password Reset As a Service
5
2017-02-26 11:42:04
Coding Challenges
Number game
7
2017-02-24 11:33:43
Coding Challenges
Find the right word
7
2017-02-23 13:27:59
Steganography
Pixel Everywhere
2
2017-02-22 15:32:21
Forensics
I love cat
2
2017-02-22 11:06:22
Reverse Engineering
Windows x86 reversing is cool
3
2017-01-30 19:09:22
Web
PHP Fairy
2
2016-09-11 16:24:51
SQL Injection
Login portal 2
3
2016-08-14 14:12:53
Jail Escaping
PHP Jail 2
2
2016-08-14 13:44:51
Jail Escaping
Bash Jail 2
2
2016-08-13 19:22:10
SQL Injection
Quote of the day
4
2016-08-13 18:55:43
SQL Injection
Thinking outside the box is the key
4
2016-08-13 13:09:07
Forensics
Who I am part 2
1
2016-08-10 13:48:21
Forensics
We got breached
5
2016-08-08 22:27:30
Jail Escaping
Bash Jail 1
1
2016-08-08 21:53:17
Jail Escaping
PHP Jail 1
1
2016-08-06 13:56:27
Web
PHP feature or 0day reloaded?
6
2016-07-31 16:50:09
Reverse Engineering
Can you see through the star
2
2016-07-30 16:24:04
Web
PHP feature or 0day?
3
2016-07-11 13:22:19
SQL Injection
What's the definition of NULL
3
2016-06-18 19:36:53
Coding Challenges
Xor me if you can
6
2016-05-11 21:49:42
Steganography
Walk the line!
5
2016-04-28 11:42:31
Forensics
Agent Smith reloaded
4
2016-04-27 12:03:12
Web
I hate this one
6
2016-04-20 19:59:18
Web
XSS Challenge 5
6
2016-04-20 18:36:59
Web
Freedom Firewall
5
2016-04-19 11:02:23
Web
Read the unreadable
5
2016-04-14 14:48:08
Web
Captcha II
4
2016-04-14 13:24:42
Web
Propaganda mail
4
2016-04-13 20:54:41
Web
XSS Challenge 4
3
2016-04-13 20:33:02
Web
XSS Challenge 3
3
2016-04-11 21:56:45
Coding Challenges
Execute me if you can again
6
2016-04-11 20:19:10
Steganography
I'm Goronyo Babad Nigerian prince
2
2016-04-05 12:29:00
Coding Challenges
I saw a little elf
4
2016-04-05 11:28:52
Coding Challenges
Execute me if you can
5
2016-03-31 21:37:12
SysAdmin Linux
SysAdmin Part 8
4
2016-03-31 20:46:46
SysAdmin Linux
SysAdmin Part 7
4
2016-03-29 17:46:57
SysAdmin Linux
SysAdmin Part 6
3
2016-03-29 12:25:17
SysAdmin Linux
SysAdmin Part 5
2
2016-03-29 12:13:40
SysAdmin Linux
SysAdmin Part 4
2
2016-03-28 20:36:14
SysAdmin Linux
SysAdmin Part 3
1
2016-03-28 20:08:31
SysAdmin Linux
SysAdmin Part 2
1
2016-03-27 18:14:54
Malware Analysis
Capture 1 Part 1
1
2016-03-27 17:58:55
JavaScript
Why not be more secure?
5
2016-03-27 14:09:46
SQL Injection
Don't mess with Noemie; she hates admin!
3
2016-03-26 21:29:36
SQL Injection
Random Login Form
2
2016-03-23 17:45:04
SQL Injection
Login portal 1
2
2016-03-23 15:10:53
Web
Orao's factory
6
2016-03-23 14:49:49
JavaScript
Most Secure Crypto Algo
2
2016-03-22 19:52:44
JavaScript
Valid key required
2
2016-03-22 15:02:16
Web
Serial killer!
3
2016-03-10 10:42:05
Web
Password reset reloaded
3
2016-03-10 09:57:49
Web
Malicious upload
2
2016-02-23 14:17:24
Web
Facebook will never forget this one
3
2016-02-22 21:32:03
Web
Looking for the flag?
3
2016-02-12 13:04:31
Web
XSS Challenge 1
2
2016-02-11 13:31:50
Web
Unreadable captcha
2
2016-02-11 12:11:41
Web
Captcha I
2
2016-02-11 10:49:17
Forensics
Poor internet connection
4
2016-02-08 16:57:47
Forensics
Someone steal my flag!
3
2016-02-08 15:54:15
Forensics
Meat Loaf
2
2016-02-06 19:51:34
Forensics
The good, the bad and the ugly
2
2016-02-04 10:28:29
Web
Big Brother is watching
1
2015-11-26 21:29:28
Web
Admin Portal
2
2015-11-24 22:16:32
Cryptography
Is it a secure string?
5
2015-11-23 13:52:10
Cryptography
Hangovers and more: Bacon
3
2015-11-11 11:46:17
Cryptography
Encrypted Zip
4
2015-11-10 11:01:20
Cryptography
Martian message part 3
3
2015-08-26 21:39:41
Web
XSS Challenge 2
2
2015-08-19 21:19:05
Web
Password reset
2
2015-07-22 20:16:22
Reverse Engineering
Crack Me 1
3
2015-06-19 23:57:50
Steganography
Missing Pieces
2
2015-06-19 19:03:26
Steganography
Hidden In Plain Sight
2
2015-06-19 18:36:52
Coding Challenges
Read me if you can
6
2015-06-19 18:35:39
Steganography
Brainsick
2
2015-06-18 20:03:57
Coding Challenges
Hash breaker reloaded again
6
2015-06-16 21:51:57
Forensics
2 / 3 Did you see my desktop?
3
2015-06-16 21:38:58
Forensics
3 / 3 Suspicious account password?
4
2015-06-16 19:48:54
Forensics
1 / 3 Do not waste the environment
2
2015-06-16 18:17:31
Coding Challenges
Ascii Art
6
2015-06-16 15:50:04
Cryptography
Can you understand this sentence?
3
2015-06-14 19:17:12
Cryptography
Fashion Victim
2
2015-06-02 18:44:50
Steganography
Your old friend Orloge Simard
3
2015-06-01 15:02:39
Cryptography
I Lost my password
3
2015-05-30 15:41:18
Coding Challenges
Ask your grandpa again!
4
2015-05-29 13:01:00
Steganography
A ghost sound
2
2015-05-29 12:55:33
Software Defined Radio
SigID Level 1
1
2015-05-28 23:30:49
Coding Challenges
Ask your grandpa!
2
2015-05-28 10:11:25
Forensics
Who I am?
2
2015-05-23 17:24:55
SQL Injection
Po po po po postgresql
2
2015-05-18 12:14:25
Steganography
Look inside the house
2
2015-05-17 20:18:42
Cryptography
Public key recovery
2
2015-05-17 17:01:57
Coding Challenges
Hash breaker reloaded
5
2015-05-17 15:43:57
Coding Challenges
I hate mathematics
3
2015-05-16 16:50:04
Steganography
You're lost? Use the map
1
2015-05-16 16:46:08
SysAdmin Linux
SysAdmin Part 1
1
2015-05-16 14:29:27
Coding Challenges
Hash breaker
4
2015-04-23 12:20:58
Exotic Data Storage
Just another login form
2
2015-04-02 23:49:31
Coding Challenges
Hash me reloaded
3
2015-03-30 15:23:37
Coding Challenges
Hash me please
2
2015-03-30 10:24:58
Forensics
Attention Dinosaure Survive
2
2015-03-30 09:44:04
Forensics
Hey Chuck where is the flag?
2
2015-03-29 22:19:41
Forensics
Hide my ass in my home!
2
2015-03-29 22:14:29
Forensics
Dr. Pouce
2
2015-03-27 22:50:46
Web
REST in peace
3
2015-03-27 21:18:32
Web
Security thru obscurity!
2
2015-03-26 22:48:45
Reverse Engineering
Time to learn x86 ASM & gdb
2
2015-03-25 20:30:38
Cryptography
Martian message part 2
2
2015-03-19 18:10:04
Web
Looking for password file
1
2015-03-19 18:06:26
Web
Area 51
1
2015-03-19 17:23:47
Cryptography
File recovery
1
2015-03-19 16:48:28
Cryptography
Some martian message
1
2015-03-19 10:49:47
Web
Headache
1
2015-03-19 10:35:32
Steganography
Victor reloaded
2
2015-03-19 09:50:09
Steganography
Victor you're hidding me something
1
2015-03-18 18:15:40
Web
Words mean something?
1
2015-03-16 23:05:28
Forensics
I made a dd of Agent Smith usb key
1
2015-03-10 22:03:57
JavaScript
Why not?
2
2015-03-09 21:00:15
JavaScript
Then obfuscation is more secure
1
2015-03-09 20:43:00
JavaScript
Hashing is more secure
1
2015-03-09 19:31:40
SQL Injection
ACL rulezzz the world.
2
2015-03-09 19:24:25
SQL Injection
Most basic SQLi pattern.
1
2015-03-09 19:21:56
JavaScript
Client side validation is bad!
1
top