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About becojo

Usernamebecojo
CountryCanada
Member since2015-03-24
Coins7
Points750
Write-up with special mention3
Ranking37 / 50649
Challenges completed207 / 396

Challenge Write-up with special mention
Reverse Engineering
Pwndr3 Authenticator
pwndr3.py
Reverse Engineering
Intro To Sparc
intro_sparc.py
SQL Injection
Brain Teaser 1
305.md
Validation date Challenge Number of points
2021-11-11 19:06:39
SQL Injection
Don't Stumble in the Process
4
2020-12-27 10:03:28
Web
Gift as a Service Part 1
3
2020-12-27 10:02:14
Reverse Engineering
Gift as a Service Part 2
2
2020-11-21 21:19:21
Cryptography
Malcolm
7
2020-11-15 13:05:35
SQL Injection
Brain Teaser 1
4
2020-11-15 12:26:26
SQL Injection
0 Day Store
3
2020-11-15 11:14:32
SQL Injection
Don't mess with Noemie; she hates admin!
3
2020-11-15 11:11:08
SQL Injection
Login portal 2
3
2020-11-15 10:55:56
Pwnage Linux
The Vault
3
2020-10-27 09:54:27
Web
JWT pitfall 1
3
2020-09-30 10:02:33
Web
NeuroSoft: Observation Unit Center
3
2020-08-17 17:49:02
Web
Beyond Reality Part 1
3
2020-08-17 16:56:30
Web
Captcha IV
3
2020-05-04 19:42:47
Reverse Engineering
See No Evil - Part 1
2
2020-04-23 12:51:29
Web
Super Lottery
5
2019-09-04 18:22:18
Web
Captcha III
4
2019-07-01 11:35:40
Exotic Data Storage
I forgot my password
3
2019-07-01 11:29:02
Exotic Data Storage
DON'T login as admin
2
2019-06-19 16:16:02
Exotic Data Storage
Inspiration
6
2018-11-08 16:43:58
Jail Escaping
PyJail 2
5
2018-11-08 16:02:01
Jail Escaping
PyJail 1
3
2018-05-31 02:58:48
The NC8 Reverse Engineering Track
NC8 MAINFRAME MANAGEMENT INTERFACE Part 1
7
2018-05-27 21:20:26
Reverse Engineering
WASM Part 1
5
2018-05-27 20:00:53
Reverse Engineering
The MI7 password prompt
5
2018-05-02 17:13:25
Reverse Engineering
Let's take a detour
4
2018-05-02 00:05:07
Cryptography
You're Drunk!
1
2017-08-20 23:09:00
Reverse Engineering
Keygen time again
10
2017-08-19 10:27:05
Reverse Engineering
Intro To Sparc
3
2017-08-19 10:04:13
Reverse Engineering
Kernel introduction
3
2017-08-15 13:52:13
Reverse Engineering
Flag stealer
6
2017-08-15 12:22:53
Reverse Engineering
Pwndr3 Authenticator
5
2017-08-12 11:45:30
Reverse Engineering
Old School
4
2017-08-09 21:49:09
Forensics
Poor internet connection
4
2017-08-09 20:53:05
Forensics
Attention Dinosaure Survive
2
2017-08-09 20:24:54
Forensics
1 / 3 Do not waste the environment
2
2017-08-09 20:22:17
Forensics
3 / 3 Suspicious account password?
4
2017-08-09 20:19:02
Forensics
2 / 3 Did you see my desktop?
3
2017-08-09 19:52:50
Forensics
R.I.P MsPaint
4
2017-08-07 11:52:09
Forensics
Russian Crypto Roulette
6
2017-07-27 11:51:17
Cryptography
Free Flag Encrypter
5
2017-07-26 21:18:47
Malware Analysis
Capture 1 Part 5
3
2017-06-07 20:49:27
Pwnage Linux
Level3 Pwnage Linux x86_64
7
2017-05-24 20:53:47
SQL Injection
Random Login Form
2
2017-05-11 15:13:04
Cryptography
Spies
9
2017-04-10 00:55:43
Reverse Engineering
ASM Lovers
4
2017-04-09 23:40:52
Reverse Engineering
Heap allocator
3
2017-03-17 19:49:09
Jail Escaping
Bash Jail 4
4
2017-03-08 10:09:28
Forensics
I love cat
2
2017-03-08 10:07:20
Web
Password Reset As a Service
5
2017-03-07 15:03:57
Web
Timesheet As a Service
5
2017-02-19 22:46:34
Reverse Engineering
RingZer0 Authenticator
5
2017-02-07 22:05:31
Web
Secure Mail
8
2017-02-04 09:21:02
Web
PHP Fairy
2
2017-02-03 22:24:51
Pwnage Linux
Base64 As A Service
8
2017-01-24 22:43:41
Web
Serial killer part 2
6
2017-01-14 20:41:09
Reverse Engineering
Altera?
4
2016-12-26 19:46:35
Pwnage Linux
Just another useless service
8
2016-11-23 15:11:40
Steganography
Love Letter
3
2016-11-15 12:43:44
Reverse Engineering
Back to our roots
5
2016-11-15 11:59:04
Reverse Engineering
Can I speak with the kernel?
5
2016-10-16 18:34:40
Reverse Engineering
Need a client
6
2016-10-16 16:53:00
Reverse Engineering
Wrong byte!
4
2016-09-11 21:44:50
Pwnage Linux
Take over the Virtual World
8
2016-09-11 12:13:32
Pwnage Linux
Sometime there is no buffer overflow
4
2016-09-11 00:07:36
Pwnage Linux
Level3 Pwnage Linux Level Up
3
2016-09-10 22:50:17
Pwnage Linux
Remote Auth
2
2016-09-10 14:55:49
Web
Captcha II
4
2016-09-10 11:58:40
Forensics
Someone steal my flag!
3
2016-09-09 20:50:04
Cryptography
TotalSecure Message Encrypter
6
2016-09-05 17:04:22
SQL Injection
Login portal 5
8
2016-09-05 14:33:59
SQL Injection
Login portal 4
7
2016-09-05 14:11:07
SQL Injection
Login portal 3
6
2016-09-05 13:15:30
SQL Injection
Login portal 1
2
2016-09-02 12:04:04
Steganography
You're lost? Use the map
1
2016-08-21 14:31:50
Web
REST in peace
3
2016-08-21 12:16:14
SQL Injection
The useless search tool
8
2016-08-21 11:00:14
SQL Injection
When it's lite it's not necessarily easy
6
2016-08-21 10:30:55
SQL Injection
Groups of hacker
7
2016-08-06 17:04:31
Cryptography
Can you understand this sentence?
3
2016-08-06 15:56:53
Jail Escaping
C Jail 3
3
2016-08-06 15:55:07
Jail Escaping
C Jail 2
2
2016-08-06 15:54:06
Jail Escaping
C Jail 1
1
2016-08-01 23:12:54
Jail Escaping
PHP Jail 5
6
2016-08-01 21:09:35
Jail Escaping
PHP Jail 4
4
2016-08-01 20:52:50
Jail Escaping
PHP Jail 3
3
2016-07-31 12:21:44
SQL Injection
/etc/passwd
7
2016-07-31 11:22:48
SQL Injection
No more hacking for me!
4
2016-07-23 23:01:03
Web
PHP feature or 0day reloaded?
6
2016-07-23 20:22:02
Web
PHP feature or 0day?
3
2016-06-26 14:06:54
Jail Escaping
PHP Jail 2
2
2016-04-10 11:18:26
Steganography
I'm Goronyo Babad Nigerian prince
2
2016-04-07 22:07:01
Pwnage Linux
Can you get the service password
4
2016-03-23 11:41:21
Jail Escaping
PHP Jail 1
1
2016-03-23 11:22:17
SysAdmin Linux
SysAdmin Part 3
1
2016-03-23 11:19:31
SysAdmin Linux
SysAdmin Part 2
1
2016-03-17 23:29:36
Jail Escaping
Bash Jail 3
3
2016-03-16 12:42:24
Jail Escaping
Bash Jail 2
2
2016-03-15 18:19:16
Jail Escaping
Bash Jail 1
1
2016-01-21 09:55:23
JavaScript
WTF Lol!
6
2016-01-15 17:42:13
Web
Big Brother is watching
1
2015-12-14 11:40:37
Reverse Engineering
Windows API for the win
4
2015-12-11 17:19:19
Pwnage Linux
Level2 Pwnage Linux Level Up
2
2015-12-01 18:08:54
Web
Read the unreadable
5
2015-10-08 17:07:03
Malware Analysis
Capture 2 Part 4
3
2015-09-29 14:35:04
Cryptography
I Lost my password
3
2015-09-29 14:13:55
Cryptography
Is it a secure string?
5
2015-09-26 20:58:34
Reverse Engineering
Windows x86 reversing is cool
3
2015-09-14 13:23:39
Steganography
Pixel Everywhere
2
2015-09-13 20:56:59
Malware Analysis
Capture 1 Part 6
3
2015-09-13 19:28:25
Malware Analysis
Capture 1 Part 3
1
2015-09-13 18:23:18
Malware Analysis
Capture 1 Part 2
1
2015-09-13 17:28:41
Malware Analysis
Capture 1 Part 1
1
2015-09-11 20:26:02
SysAdmin Linux
SysAdmin Part 4
2
2015-08-21 14:49:48
Reverse Engineering
Virtual World
5
2015-08-11 13:06:15
Cryptography
Crypto is not good as you think
8
2015-08-07 11:27:27
Forensics
We got breached again
6
2015-08-07 01:00:21
Forensics
We got breached
5
2015-08-06 19:01:30
SQL Injection
Quote of the day
4
2015-08-06 17:22:36
SQL Injection
Thinking outside the box is the key
4
2015-08-06 17:09:58
SQL Injection
What's the definition of NULL
3
2015-07-22 18:54:44
Forensics
Who I am?
2
2015-07-13 15:54:44
Web
Password reset reloaded
3
2015-07-12 20:50:48
Steganography
Missing Pieces
2
2015-07-09 20:24:08
Steganography
Your old friend Orloge Simard
3
2015-07-09 20:04:36
Software Defined Radio
SigID Level 1
1
2015-07-09 19:52:20
Steganography
A ghost sound
2
2015-07-06 17:30:36
Web
I hate this one
6
2015-07-06 12:36:28
Web
XPATH of hell!
7
2015-07-06 10:01:26
Web
Malicious upload
2
2015-07-03 17:43:32
Reverse Engineering
Smart enough?
5
2015-07-03 17:17:30
Web
Facebook will never forget this one
3
2015-07-02 12:36:29
Pwnage Linux
Level1 Pwnage Linux x86_64
3
2015-06-28 23:01:08
Web
Looking for god in your life?
8
2015-06-28 00:05:12
Reverse Engineering
Introduction to ARM
4
2015-06-27 23:58:01
Reverse Engineering
Introduction to MIPS
3
2015-06-26 00:40:00
Shellcoding
Linux x64 shellcoding level 4
8
2015-06-25 23:26:35
Shellcoding
Linux x64 shellcoding level 3
6
2015-06-25 12:22:39
Pwnage Linux
Level1 Pwnage Linux Level Up
1
2015-06-23 11:59:43
Shellcoding
Linux x64 shellcoding level 2
4
2015-06-22 23:26:38
Shellcoding
Basics of Linux x64 shellcoding
2
2015-06-02 09:53:48
Steganography
Hidden In Plain Sight
2
2015-05-31 15:59:52
Web
Freedom Firewall
5
2015-05-30 19:53:47
Web
Orao's factory
6
2015-05-30 19:38:43
Web
Propaganda mail
4
2015-05-30 13:09:00
Cryptography
Martian message part 2
2
2015-05-30 12:11:40
JavaScript
Valid key required
2
2015-05-30 00:33:11
Web
Words mean something?
1
2015-05-29 22:36:18
Web
XSS Challenge 5
6
2015-05-29 21:48:35
Web
XSS Challenge 4
3
2015-05-29 21:46:42
Web
XSS Challenge 3
3
2015-05-29 21:40:54
Web
XSS Challenge 2
2
2015-05-29 21:32:50
Web
XSS Challenge 1
2
2015-05-10 18:21:07
Exotic Data Storage
Just another login form
2
2015-05-01 22:06:56
Coding Challenges
Ask your grandpa!
2
2015-04-29 16:18:05
Cryptography
Martian message part 3
3
2015-04-27 12:03:27
SQL Injection
Po po po po postgresql
2
2015-04-24 09:19:33
Web
Admin Portal
2
2015-04-23 14:03:19
SQL Injection
ACL rulezzz the world.
2
2015-04-22 01:00:23
Cryptography
Encrypted Zip
4
2015-04-21 21:43:09
Forensics
Spy my girl
5
2015-04-21 17:05:47
Forensics
Agent Smith reloaded
4
2015-04-20 21:51:56
Forensics
Hey Chuck where is the flag?
2
2015-04-11 20:51:32
Reverse Engineering
Crack Me 1
3
2015-04-11 19:36:55
Forensics
Hide my ass in my home!
2
2015-04-10 10:03:31
Cryptography
Hangovers and more: Bacon
3
2015-04-08 21:09:29
Cryptography
Public key recovery
2
2015-04-08 20:42:25
Cryptography
File recovery
1
2015-04-08 18:37:18
Reverse Engineering
Can you see through the star
2
2015-04-07 23:12:43
SysAdmin Linux
SysAdmin Part 6
3
2015-04-07 23:03:26
SysAdmin Linux
SysAdmin Part 1
1
2015-04-06 23:27:14
Forensics
Dr. Pouce
2
2015-04-06 22:07:02
Web
Security thru obscurity!
2
2015-04-06 21:46:18
Web
Unreadable captcha
2
2015-04-06 21:34:05
Web
Area 51
1
2015-04-06 19:08:36
Coding Challenges
Hash breaker reloaded again
6
2015-04-06 18:40:30
Coding Challenges
Hash breaker reloaded
5
2015-04-06 18:03:02
Coding Challenges
Execute me if you can
5
2015-04-06 10:38:50
Coding Challenges
I saw a little elf
4
2015-04-06 10:09:04
Coding Challenges
Xor me if you can
6
2015-04-05 17:02:19
JavaScript
Why not be more secure?
5
2015-04-05 11:49:20
Web
Captcha I
2
2015-04-05 10:43:35
JavaScript
Most Secure Crypto Algo
2
2015-04-04 23:22:38
JavaScript
Why not?
2
2015-04-04 22:55:22
Coding Challenges
Classic Sudoku
7
2015-04-04 22:27:13
Coding Challenges
Read me if you can
6
2015-04-04 21:23:37
Steganography
Victor reloaded
2
2015-04-04 21:23:15
Steganography
Victor you're hidding me something
1
2015-04-04 20:36:35
Coding Challenges
Number game
7
2015-04-04 19:53:18
Coding Challenges
Find the right word
7
2015-04-04 19:33:30
Coding Challenges
Ascii Art
6
2015-04-04 19:02:29
Coding Challenges
Hash me please
2
2015-04-04 19:00:15
Coding Challenges
Hash me reloaded
3
2015-04-02 22:16:57
Web
Serial killer!
3
2015-03-29 00:11:20
Coding Challenges
Hash breaker
4
2015-03-28 23:43:50
Coding Challenges
I hate mathematics
3
2015-03-28 23:07:11
Reverse Engineering
I never forget the Nintendo 64
3
2015-03-28 21:50:49
Web
Password reset
2
2015-03-28 12:02:30
Forensics
I made a dd of Agent Smith usb key
1
2015-03-26 16:54:44
SQL Injection
Most basic SQLi pattern.
1
2015-03-26 13:42:10
Reverse Engineering
Time to learn x86 ASM & gdb
2
2015-03-24 14:08:14
Cryptography
Some martian message
1
2015-03-24 13:53:46
JavaScript
Then obfuscation is more secure
1
2015-03-24 13:48:18
JavaScript
Hashing is more secure
1
2015-03-24 13:31:33
Web
Looking for the flag?
3
2015-03-24 10:14:26
Web
Looking for password file
1
2015-03-24 10:07:03
Web
Headache
1
2015-03-24 08:12:32
JavaScript
Client side validation is bad!
1
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