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About gdenhez

Usernamegdenhez
CountryCanada
Member since2017-09-02
Coins266
Points439
Write-up with special mention3
Ranking84 / 40015
Challenges completed130 / 348

Challenge Write-up with special mention
Shellcoding
Linux x64 shellcoding level 7
writeup_135.pdf
Reverse Engineering
See No Evil - Part 5
writeup_311.pdf
Cryptography
Free Flag Encrypter
writeup_261.pdf
Validation date Challenge Number of points
2021-09-07 19:24:46
Software Defined Radio
Let's Get Scwhifty!
5
2021-09-05 15:35:27
Software Defined Radio
You Turn Me On And Off
3
2021-09-04 20:28:23
Coding Challenges
Read me if you can
6
2021-08-28 07:41:02
Jail Escaping
Bash Jail 3
3
2021-08-22 10:38:06
Cryptography
Rusty RSA message signing service
9
2021-07-24 15:29:19
SQL Injection
What's the definition of NULL
3
2021-07-18 19:00:25
Cryptography
Crypto is not good as you think
8
2021-07-17 19:20:54
Cryptography
Homemade Craptography
8
2021-07-17 07:48:34
Cryptography
Homemade craptography #2
7
2021-07-16 14:26:06
Web
Unreadable captcha
2
2021-07-10 17:19:24
Cryptography
Malcolm
7
2021-07-10 07:50:25
Coding Challenges
Execute me if you can
5
2021-07-09 09:31:16
Steganography
Not just 64
4
2021-07-01 14:38:12
SQL Injection
0 Day Store
3
2021-06-26 14:57:21
SQL Injection
Don't mess with Noemie; she hates admin!
3
2021-06-24 15:14:14
Cryptography
Jabber Part 2
7
2021-06-24 08:53:06
Cryptography
Welcome to the asylum
6
2021-06-19 14:57:00
Cryptography
Pattern is the key
6
2021-06-12 09:25:49
Steganography
Even the Odds
4
2021-06-12 08:15:10
SQL Injection
Random Login Form
2
2021-06-07 18:44:31
Steganography
5 beautiful colors
3
2021-05-29 19:37:07
SQL Injection
Login portal 2
3
2021-05-29 12:46:26
SQL Injection
Po po po po postgresql
2
2021-05-25 19:40:21
Coding Challenges
Hash breaker reloaded
5
2021-05-24 14:29:27
Steganography
Your old friend Orloge Simard
3
2021-05-23 20:20:00
Cryptography
TotalSecure Message Encrypter
6
2021-05-19 19:45:47
Cryptography
Guess the number
6
2021-02-21 17:51:49
Cryptography
Free Flag Encrypter
5
2021-02-06 15:10:07
Cryptography
SSO Service
4
2021-01-31 13:13:58
Reverse Engineering
Gift as a Service Part 2
2
2021-01-24 16:09:31
Web
Gift as a Service Part 1
3
2020-12-06 17:28:13
Reverse Engineering
See No Evil - Part 4
4
2020-12-05 19:56:08
Reverse Engineering
See No Evil - Part 5
4
2020-12-05 09:16:12
Reverse Engineering
See No Evil - Part 3
3
2020-12-02 18:34:54
Reverse Engineering
See No Evil - Part 2
3
2020-11-29 10:57:14
Reverse Engineering
See No Evil - Part 1
2
2020-11-19 19:33:16
Web
Captcha I
2
2020-11-18 18:34:54
Steganography
Can you see through the matrix!
3
2020-09-05 19:14:30
Cryptography
Encrypted Zip
4
2020-09-05 17:13:46
Cryptography
Is it a secure string?
5
2020-09-04 20:03:15
Cryptography
Jabber
5
2020-09-01 16:46:44
Cryptography
Crypto over the network
4
2020-09-01 15:35:01
Cryptography
Martian message part 3
3
2020-08-30 08:23:48
Steganography
Love Letter
3
2020-08-29 19:55:22
Steganography
Crazy Cat Lady
3
2020-08-29 19:08:51
Steganography
Look inside the house
2
2020-08-29 17:34:34
Steganography
A ghost sound
2
2020-08-29 16:21:51
Steganography
Victor reloaded
2
2020-08-29 14:36:43
Steganography
The Sloth
2
2020-08-29 13:03:12
Steganography
Pixel Everywhere
2
2020-08-23 19:33:58
Steganography
Brainsick
2
2020-08-23 16:05:15
Steganography
Missing Pieces
2
2020-08-23 11:35:01
Steganography
The vestige of dial-up Internet
2
2020-08-23 08:20:25
Steganography
Hidden In Plain Sight
2
2020-08-22 19:08:02
Steganography
I'm Goronyo Babad Nigerian prince
2
2020-08-22 15:56:10
Software Defined Radio
SigID Level 1
1
2020-08-16 20:14:52
Steganography
You're lost? Use the map
1
2020-07-05 17:10:59
Coding Challenges
I saw a little elf
4
2020-07-05 12:50:46
Coding Challenges
Hash breaker
4
2020-07-04 20:38:58
Coding Challenges
Ask your grandpa again!
4
2020-07-03 20:29:57
SysAdmin Linux
SysAdmin Part 8
4
2020-07-03 19:22:04
SysAdmin Linux
SysAdmin Part 7
4
2020-06-18 18:12:39
SysAdmin Linux
SysAdmin Part 6
3
2020-06-14 20:21:21
SysAdmin Linux
SysAdmin Part 5
2
2020-06-14 14:00:48
SysAdmin Linux
SysAdmin Part 4
2
2020-06-13 14:28:23
SysAdmin Linux
SysAdmin Part 3
1
2020-06-13 12:31:35
SysAdmin Linux
SysAdmin Part 2
1
2020-05-29 19:25:06
SysAdmin Linux
SysAdmin Part 1
1
2020-05-26 19:28:34
Web
Words mean something?
1
2020-05-26 19:16:53
Web
Hacking skill are optional
1
2020-05-24 09:09:45
Pwnage Linux
Level1 Pwnage Linux Level Up
1
2020-05-22 20:01:51
Reverse Engineering
Can you see through the star
2
2020-05-18 18:54:44
JavaScript
Beauty and the beast
7
2020-05-07 20:43:03
Shellcoding
Linux x64 shellcoding level 7
14
2020-05-01 20:08:00
Shellcoding
Linux x64 shellcoding level 6
12
2020-04-26 10:54:31
Shellcoding
Linux x64 shellcoding level 5
10
2020-04-18 08:18:09
Shellcoding
Linux x64 shellcoding level 4
8
2020-04-15 19:22:41
Shellcoding
Linux x64 shellcoding level 3
6
2020-04-13 14:56:53
Shellcoding
Linux x64 shellcoding level 2
4
2020-04-08 19:41:54
Forensics
Who I am part 2
1
2020-04-05 19:37:19
Cryptography
Crypto Object
4
2020-03-28 16:45:49
Malware Analysis
APT 1337
4
2020-03-20 19:04:04
Exotic Data Storage
Inspiration
6
2020-03-13 19:48:56
Cryptography
Mars Log
8
2020-02-09 11:03:42
Forensics
802.1X Part 2
8
2020-02-05 21:12:22
Forensics
802.1X Part 1
4
2020-01-29 20:30:35
Web
Area 51
1
2019-09-15 15:26:17
JavaScript
Interstellar PhoneBook
6
2019-09-14 16:44:07
Cryptography
Crypto Leak
4
2019-09-04 19:41:17
Exotic Data Storage
Just another login form
2
2019-09-02 16:04:30
Cryptography
Let's Play Scrabble! Part 2
5
2019-09-01 15:32:32
Cryptography
I Lost my password
3
2019-08-14 21:21:09
Cryptography
Hangovers and more: Bacon
3
2019-08-10 19:33:27
Cryptography
Martian message part 2
2
2019-08-09 20:36:55
Cryptography
Can you understand this sentence?
3
2019-08-07 21:47:26
Cryptography
Let's Play Scrabble!
3
2019-08-04 16:45:17
Cryptography
Public key recovery
2
2019-08-04 16:01:27
Cryptography
Fashion Victim
2
2019-08-04 13:33:13
Cryptography
You're Drunk!
1
2019-08-04 13:20:23
Coding Challenges
I hate mathematics
3
2019-08-03 09:40:50
Forensics
I love cat
2
2018-10-08 22:40:44
Forensics
Attention Dinosaure Survive
2
2018-09-22 15:43:43
Web
Looking for password file
1
2017-11-11 22:35:01
JavaScript
WTF Lol!
6
2017-11-05 22:35:01
JavaScript
Why not be more secure?
5
2017-11-03 01:56:27
JavaScript
Most Secure Crypto Algo
2
2017-11-03 01:39:04
SQL Injection
Login portal 1
2
2017-10-26 01:31:21
Reverse Engineering
Time to learn x86 ASM & gdb
2
2017-10-22 21:24:29
Forensics
Who I am?
2
2017-10-22 21:14:26
Shellcoding
Basics of Linux x64 shellcoding
2
2017-10-15 14:01:25
Cryptography
File recovery
1
2017-10-09 02:30:33
Forensics
Dr. Pouce
2
2017-10-08 20:26:14
Web
Headache
1
2017-10-07 16:20:41
Steganography
Victor you're hidding me something
1
2017-10-07 13:11:29
Web
Big Brother is watching
1
2017-09-23 16:47:59
JavaScript
Valid key required
2
2017-09-23 15:43:55
JavaScript
Why not?
2
2017-09-23 15:33:07
JavaScript
Then obfuscation is more secure
1
2017-09-23 15:23:31
JavaScript
Hashing is more secure
1
2017-09-18 18:57:27
SQL Injection
ACL rulezzz the world.
2
2017-09-17 18:53:12
SQL Injection
Most basic SQLi pattern.
1
2017-09-17 16:21:20
Jail Escaping
Bash Jail 2
2
2017-09-17 08:33:06
Jail Escaping
Bash Jail 1
1
2017-09-16 13:03:24
Malware Analysis
Capture 1 Part 1
1
2017-09-16 11:27:06
JavaScript
Client side validation is bad!
1
2017-09-16 11:17:34
Forensics
I made a dd of Agent Smith usb key
1
2017-09-15 20:28:21
Cryptography
Some martian message
1
2017-09-04 09:13:04
Coding Challenges
Hash me reloaded
3
2017-09-02 15:49:59
Coding Challenges
Ask your grandpa!
2
2017-09-02 13:16:16
Coding Challenges
Hash me please
2
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