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About fLink is certified (RCEH) RingZer0 Certified Elite Hacker

UsernamefLink
CountryGermany
Member since2015-10-02
Coins0
Points1019
Write-up with special mention1
Ranking23 / 48893
Challenges completed256 / 391

Challenge Write-up with special mention
Web
Secure Mail
SecMailSol.pdf
Validation date Challenge Number of points
2019-11-13 14:37:57
Web
Lost API
5
2019-11-09 20:13:40
Reverse Engineering
See No Evil - Part 3
3
2019-11-09 20:13:24
Reverse Engineering
See No Evil - Part 2
3
2019-11-09 20:12:47
Reverse Engineering
See No Evil - Part 1
2
2019-07-22 19:39:37
Web
JWT pitfall 1
3
2019-04-22 10:35:32
Malware Analysis
Capture 2 Part 5
4
2019-04-20 16:47:07
Reverse Engineering
Rebate As A Service
8
2019-04-12 12:11:29
Reverse Engineering
SOS Lib
7
2019-04-08 14:42:19
Malware Analysis
Capture 2 Part 4
3
2019-04-08 14:40:08
Malware Analysis
Capture 2 Part 3
1
2019-04-08 14:33:52
Malware Analysis
Capture 2 Part 2
1
2019-04-05 16:20:37
Forensics
R.I.P MsPaint
4
2019-04-05 11:19:26
Reverse Engineering
WASM Part 1
5
2019-04-04 11:44:52
Reverse Engineering
Phenix Golgoth
5
2019-04-03 17:12:50
Reverse Engineering
Altera?
4
2019-04-02 08:33:14
Reverse Engineering
Keygen time again
10
2019-03-19 17:05:15
Reverse Engineering
Flag stealer
6
2019-03-19 08:27:48
Reverse Engineering
Old School
4
2019-03-18 18:09:18
Reverse Engineering
Power to the people
4
2019-02-02 19:02:21
Web
Super Lottery
5
2018-12-28 15:51:48
JavaScript
Interstellar PhoneBook
6
2018-12-15 21:36:20
Jail Escaping
PyJail 3
6
2018-12-12 15:35:15
Shellcoding
Linux x64 shellcoding level 7
14
2018-12-11 11:39:45
Web
Hacking skill are optional
1
2018-12-02 21:43:35
Malware Analysis
RAO democracy
4
2018-10-24 03:04:11
Cryptography
Pattern is the key
6
2018-10-24 02:23:53
Reverse Engineering
You're not welcome
8
2018-09-07 17:00:38
Steganography
Pixel Everywhere
2
2018-08-27 01:01:06
Reverse Engineering
Update Manager
6
2018-08-25 23:28:14
Reverse Engineering
Back to our roots
5
2018-08-25 22:42:37
Reverse Engineering
Smart enough?
5
2018-08-25 22:29:21
Reverse Engineering
The MI7 password prompt
5
2018-08-25 04:55:17
Reverse Engineering
Can I speak with the kernel?
5
2018-07-21 07:35:04
SQL Injection
Don't Stumble in the Process
4
2018-07-21 00:34:35
Web
Captcha III
4
2018-07-14 03:18:34
Reverse Engineering
Let's take a detour
4
2018-07-13 03:54:00
Jail Escaping
Bash Jail 6
8
2018-07-07 08:38:29
Cryptography
Crypto Object
4
2018-07-01 18:04:31
Shellcoding
Linux x64 shellcoding level 6
12
2018-07-01 07:21:04
Shellcoding
Linux x64 shellcoding level 5
10
2018-06-30 19:43:01
Steganography
The vestige of dial-up Internet
2
2018-06-23 06:07:23
Jail Escaping
PyJail 2
5
2018-06-23 04:29:48
Steganography
Can you see through the matrix!
3
2018-06-23 03:39:54
Reverse Engineering
ASM Lovers
4
2018-06-23 02:58:25
SQL Injection
SQHell
11
2018-05-26 18:09:07
Cryptography
Crypto Leak
4
2018-03-04 20:08:27
Cryptography
You're Drunk!
1
2018-01-24 20:21:32
Reverse Engineering
Pwndr3 Authenticator
5
2018-01-18 22:42:51
Malware Analysis
Capture 2 Part 1
1
2017-12-30 21:08:27
Reverse Engineering
Intro To Sparc
3
2017-12-30 20:34:08
Reverse Engineering
Windows API for the win
4
2017-10-17 23:37:30
SQL Injection
stackoverflow.com lied to me... again
9
2017-09-02 18:45:06
Steganography
The Sloth
2
2017-08-07 19:45:38
Reverse Engineering
Need a client
6
2017-08-07 13:25:12
Reverse Engineering
Introduction to ARM
4
2017-05-17 17:29:55
Forensics
Are you Twisted Insane?
3
2017-05-11 07:26:04
Reverse Engineering
Introduction to MIPS
3
2017-02-28 10:54:52
Web
Password Reset As a Service
5
2017-02-26 16:43:56
Web
Timesheet As a Service
5
2017-02-08 19:24:16
Pwnage Linux
Delivery As A Service
10
2017-02-03 08:16:35
Pwnage Linux
Jack the heaper
6
2017-01-29 18:55:35
Web
PHP Fairy
2
2017-01-27 09:41:02
Cryptography
Is it a secure string?
5
2017-01-23 18:55:47
JavaScript
Why not be more secure?
5
2017-01-23 18:26:14
Forensics
I love cat
2
2017-01-18 19:57:38
Reverse Engineering
Virtual World
5
2017-01-18 19:53:02
Pwnage Linux
Take over the Virtual World
8
2017-01-12 16:48:59
Pwnage Linux
Just another useless service
8
2017-01-12 12:08:22
Shellcoding
Linux x64 shellcoding level 4
8
2016-12-15 12:06:51
Pwnage Linux
RPCFTW!
6
2016-11-30 17:55:44
Pwnage Linux
Base64 As A Service Reloaded
9
2016-11-20 16:56:15
Shellcoding
Linux x64 shellcoding level 3
6
2016-11-20 16:24:26
Shellcoding
Linux x64 shellcoding level 2
4
2016-11-19 11:13:30
Pwnage Linux
Base64 As A Service
8
2016-11-13 19:25:35
Steganography
A ghost sound
2
2016-11-13 19:16:10
Steganography
Your old friend Orloge Simard
3
2016-11-13 19:11:09
Steganography
Hidden In Plain Sight
2
2016-11-13 18:41:53
Reverse Engineering
RingZer0 Authenticator
5
2016-11-12 09:30:03
Cryptography
Fashion Victim
2
2016-11-12 09:05:14
Cryptography
Crypto is not good as you think
8
2016-11-07 16:42:09
JavaScript
Valid key required
2
2016-10-31 17:50:45
Cryptography
Encrypted Zip
4
2016-10-31 17:41:32
Cryptography
Crypto over the network
4
2016-10-30 14:47:40
Jail Escaping
Bash Jail 5
6
2016-10-29 16:16:17
Pwnage Linux
Level4 Pwnage Linux x86_64
7
2016-10-20 17:59:56
Pwnage Linux
Level3 Pwnage Linux x86_64
7
2016-10-15 19:36:44
Shellcoding
Basics of Linux x64 shellcoding
2
2016-10-12 17:47:09
Reverse Engineering
Wrong byte!
4
2016-10-11 05:41:17
Steganography
Love Letter
3
2016-10-10 04:44:50
Malware Analysis
Capture 1 Part 5
3
2016-10-06 12:40:47
Cryptography
Hangovers and more: Bacon
3
2016-09-25 17:34:56
Malware Analysis
Capture 1 Part 4
2
2016-09-25 12:03:27
Malware Analysis
Capture 1 Part 6
3
2016-09-24 18:29:08
Malware Analysis
Capture 1 Part 3
1
2016-09-24 18:18:44
Malware Analysis
Capture 1 Part 2
1
2016-09-24 16:02:32
Forensics
Poor internet connection
4
2016-09-24 07:18:28
Jail Escaping
C Jail 3
3
2016-09-23 19:42:14
Forensics
Spy my girl
5
2016-09-23 15:25:23
Forensics
Ping pong
5
2016-09-19 17:46:14
Forensics
Russian Crypto Roulette
6
2016-09-18 15:19:37
Jail Escaping
Bash Jail 4
4
2016-09-12 13:57:55
Pwnage Linux
Friendly race
5
2016-09-09 09:44:15
Reverse Engineering
Kernel introduction
3
2016-09-08 18:27:05
Reverse Engineering
Heap allocator
3
2016-09-02 15:09:16
Forensics
We got breached again
6
2016-09-01 17:15:56
Cryptography
Can you understand this sentence?
3
2016-08-31 13:09:58
Forensics
Someone steal my flag again
5
2016-08-21 18:31:39
Forensics
Really Depressed Protocol
7
2016-08-18 16:39:25
Pwnage Linux
Level4 Pwnage Linux Level Up
5
2016-08-16 16:46:28
Forensics
802.1X Part 2
8
2016-08-14 06:36:35
Forensics
Who I am part 2
1
2016-08-12 17:33:51
Cryptography
I Lost my password
3
2016-08-10 15:39:13
Forensics
802.1X Part 1
4
2016-08-02 20:05:24
SQL Injection
Internet As A Service
7
2016-07-27 11:13:41
Pwnage Linux
Remote Auth
2
2016-07-25 17:05:59
Pwnage Linux
Sometime there is no buffer overflow
4
2016-07-22 18:40:02
Web
PHP feature or 0day reloaded?
6
2016-07-22 12:23:41
Web
PHP feature or 0day?
3
2016-07-18 07:39:11
Steganography
Victor reloaded
2
2016-06-30 09:11:19
Pwnage Linux
Can you get the service password
4
2016-06-27 16:13:04
Pwnage Linux
Level2 Pwnage Linux x86_64
4
2016-06-22 08:40:33
Jail Escaping
PHP Jail 5
6
2016-06-17 17:15:26
Jail Escaping
PHP Jail 4
4
2016-06-08 15:29:16
Pwnage Linux
Level1 Pwnage Linux x86_64
3
2016-06-08 13:53:37
Pwnage Linux
Level3 Pwnage Linux Level Up
3
2016-06-04 16:25:23
Coding Challenges
Classic Sudoku
7
2016-06-02 16:49:34
Coding Challenges
Execute me if you can again
6
2016-06-02 14:54:20
Coding Challenges
Find the right word
7
2016-05-31 09:43:19
Pwnage Linux
Level2 Pwnage Linux Level Up
2
2016-05-29 14:04:31
Pwnage Linux
Level1 Pwnage Linux Level Up
1
2016-05-25 21:37:27
SQL Injection
!Mysql + Brain fart
13
2016-05-18 19:02:04
SQL Injection
Login portal 6
10
2016-05-18 18:18:52
SQL Injection
Login portal 5
8
2016-05-15 12:50:29
SQL Injection
0 Day Store
3
2016-05-14 07:41:12
SQL Injection
The useless search tool
8
2016-05-12 17:52:57
SQL Injection
Login portal 4
7
2016-05-12 13:21:34
SQL Injection
Quote of the day reloaded
5
2016-05-07 18:47:39
SQL Injection
Login portal 3
6
2016-05-06 20:59:09
Steganography
Walk the line!
5
2016-05-06 12:21:36
SQL Injection
Size DOES matter
7
2016-05-06 10:49:30
SQL Injection
Groups of hacker
7
2016-04-29 20:15:26
SQL Injection
/etc/passwd
7
2016-04-28 14:15:18
SQL Injection
Hot Single Mom
6
2016-04-25 13:02:24
SQL Injection
When it's lite it's not necessarily easy
6
2016-04-22 18:59:46
Coding Challenges
Ask your grandpa again!
4
2016-04-22 16:05:49
Jail Escaping
PHP Jail 3
3
2016-04-21 18:02:06
Coding Challenges
I saw a little elf
4
2016-04-21 16:40:15
SQL Injection
No more hacking for me!
4
2016-04-18 18:19:30
Steganography
I'm Goronyo Babad Nigerian prince
2
2016-04-18 17:59:51
SQL Injection
Quote of the day
4
2016-04-17 20:50:37
SQL Injection
Thinking outside the box is the key
4
2016-04-15 18:03:21
Coding Challenges
Xor me if you can
6
2016-04-15 16:33:44
SQL Injection
Login portal 2
3
2016-04-14 20:55:07
Steganography
Look inside the house
2
2016-04-14 20:33:19
Reverse Engineering
I never forget the Nintendo 64
3
2016-04-14 18:25:24
Forensics
We got breached
5
2016-04-13 20:22:01
Coding Challenges
Read me if you can
6
2016-04-13 17:06:35
Coding Challenges
Execute me if you can
5
2016-04-12 20:43:20
Coding Challenges
Number game
7
2016-04-11 12:16:30
Jail Escaping
PHP Jail 2
2
2016-04-10 18:40:29
Jail Escaping
C Jail 2
2
2016-04-10 18:21:37
Forensics
Agent Smith reloaded
4
2016-04-10 15:25:22
SQL Injection
What's the definition of NULL
3
2016-04-07 19:26:04
Jail Escaping
PHP Jail 1
1
2016-04-07 19:01:50
Jail Escaping
C Jail 1
1
2016-04-07 18:27:31
Jail Escaping
Bash Jail 3
3
2016-04-07 17:23:44
Jail Escaping
Bash Jail 2
2
2016-04-07 16:34:16
Jail Escaping
Bash Jail 1
1
2016-04-06 19:18:01
Cryptography
Martian message part 3
3
2016-04-06 17:11:30
SQL Injection
Don't mess with Noemie; she hates admin!
3
2016-04-06 17:00:28
SQL Injection
Po po po po postgresql
2
2016-04-06 16:54:24
SQL Injection
Random Login Form
2
2016-04-02 17:37:02
Steganography
Missing Pieces
2
2016-04-02 16:29:38
SysAdmin Linux
SysAdmin Part 8
4
2016-04-02 11:11:56
Forensics
The words flew but writing remains
3
2016-04-02 10:27:30
SysAdmin Linux
SysAdmin Part 7
4
2016-04-01 19:03:07
Coding Challenges
Ask your grandpa!
2
2016-03-30 18:36:29
Cryptography
Martian message part 2
2
2016-03-30 18:32:33
Cryptography
Public key recovery
2
2016-03-30 18:16:16
Cryptography
File recovery
1
2016-03-30 16:31:32
SysAdmin Linux
SysAdmin Part 6
3
2016-03-29 16:34:36
Exotic Data Storage
Just another login form
2
2016-03-27 18:46:50
Coding Challenges
Ascii Art
6
2016-03-26 19:19:38
SysAdmin Linux
SysAdmin Part 5
2
2016-03-26 19:04:58
SysAdmin Linux
SysAdmin Part 4
2
2016-03-26 18:55:46
SysAdmin Linux
SysAdmin Part 3
1
2016-03-26 09:43:33
Coding Challenges
Hash breaker reloaded again
6
2016-03-24 19:09:05
Coding Challenges
Hash breaker reloaded
5
2016-03-24 15:16:41
Web
Secure Mail
8
2016-03-13 15:53:17
Coding Challenges
Hash breaker
4
2016-03-13 13:21:29
Coding Challenges
I hate mathematics
3
2016-03-13 12:44:12
Coding Challenges
Hash me reloaded
3
2016-03-02 17:50:01
Forensics
Attention Dinosaure Survive
2
2016-02-24 15:32:34
Forensics
3 / 3 Suspicious account password?
4
2016-02-24 15:06:55
Forensics
2 / 3 Did you see my desktop?
3
2016-02-24 09:18:59
Forensics
Someone steal my flag!
3
2016-02-23 20:24:56
Forensics
1 / 3 Do not waste the environment
2
2016-02-23 17:41:36
Forensics
Hey Chuck where is the flag?
2
2016-02-23 17:32:33
Forensics
Meat Loaf
2
2016-02-21 22:05:08
JavaScript
Most Secure Crypto Algo
2
2016-02-19 17:36:29
Jail Escaping
PyJail 1
3
2016-02-19 16:50:52
Forensics
The good, the bad and the ugly
2
2016-02-19 10:04:43
Forensics
Who I am?
2
2016-02-18 18:17:16
Reverse Engineering
Windows x86 reversing is cool
3
2016-02-16 17:30:04
Reverse Engineering
Crack Me 1
3
2016-02-12 23:37:11
Web
Looking for god in your life?
8
2016-01-24 14:06:28
Reverse Engineering
Can you see through the star
2
2016-01-24 13:38:12
Reverse Engineering
Time to learn x86 ASM & gdb
2
2016-01-07 18:46:37
Web
Big Brother is watching
1
2016-01-06 14:04:34
Steganography
Brainsick
2
2016-01-06 06:18:22
Steganography
Victor you're hidding me something
1
2016-01-06 06:12:51
Software Defined Radio
SigID Level 1
1
2016-01-02 14:33:33
Web
XSS Challenge 5
6
2016-01-02 10:59:45
Web
XSS Challenge 3
3
2016-01-02 09:30:01
Web
XSS Challenge 4
3
2015-12-29 13:35:49
Web
XSS Challenge 1
2
2015-12-29 13:01:40
Web
XSS Challenge 2
2
2015-12-29 07:48:29
Web
XPATH of hell!
7
2015-12-27 07:48:15
Web
I hate this one
6
2015-12-23 20:06:35
Steganography
You're lost? Use the map
1
2015-12-23 19:45:38
Web
Captcha II
4
2015-12-17 17:55:20
Web
Read the unreadable
5
2015-12-17 17:12:06
Web
Serial killer part 2
6
2015-12-17 15:28:07
SQL Injection
Login portal 1
2
2015-12-17 15:21:40
SQL Injection
ACL rulezzz the world.
2
2015-12-16 21:42:48
SysAdmin Linux
SysAdmin Part 2
1
2015-12-16 21:35:04
SysAdmin Linux
SysAdmin Part 1
1
2015-12-16 21:16:06
Cryptography
Some martian message
1
2015-12-16 15:24:48
Malware Analysis
Capture 1 Part 1
1
2015-12-14 16:53:49
Web
Unreadable captcha
2
2015-11-19 17:16:52
Web
Orao's factory
6
2015-11-13 13:59:56
Web
Freedom Firewall
5
2015-11-11 17:06:47
Web
Propaganda mail
4
2015-11-09 12:08:45
Web
Looking for the flag?
3
2015-11-08 16:53:13
Web
Captcha I
2
2015-11-05 15:04:10
Web
Facebook will never forget this one
3
2015-10-22 12:30:44
Web
Serial killer!
3
2015-10-21 19:11:23
SQL Injection
Most basic SQLi pattern.
1
2015-10-21 18:02:44
Web
REST in peace
3
2015-10-21 12:30:52
Web
Password reset reloaded
3
2015-10-20 17:07:44
Web
Admin Portal
2
2015-10-20 08:58:47
Web
Malicious upload
2
2015-10-04 10:18:27
Forensics
Dr. Pouce
2
2015-10-04 10:12:38
Forensics
I made a dd of Agent Smith usb key
1
2015-10-04 10:03:26
Forensics
Hide my ass in my home!
2
2015-10-04 08:47:25
JavaScript
Why not?
2
2015-10-04 07:50:02
JavaScript
Then obfuscation is more secure
1
2015-10-04 07:20:19
JavaScript
Hashing is more secure
1
2015-10-04 07:18:43
JavaScript
Client side validation is bad!
1
2015-10-03 12:53:23
Web
Security thru obscurity!
2
2015-10-03 12:42:49
Web
Password reset
2
2015-10-03 10:08:57
Web
Looking for password file
1
2015-10-03 10:00:05
Web
Area 51
1
2015-10-03 09:46:06
Web
Headache
1
2015-10-03 09:44:41
Web
Words mean something?
1
2015-10-03 08:26:11
Coding Challenges
Hash me please
2
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