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About tihanyin

Usernametihanyin
CountryHungary
Member since2020-03-28
Coins87
Points588
Write-up with special mention1
Ranking65 / 51682
Challenges completed174 / 396

#CyberSecurity Evangelist, Researcher, Security Expert ,OSEP,OSCE,OSCP, OSWP, CRTYP, CEH, E|CES,... #CTF player
Twitter: @TihanyiNorbert

Norbert Tihanyi holds a B.Sc in Security Engineering, an M.Sc degree in Safety Engineering and an another M.Sc degree in IT Engineering (with honors). He received his P.hD in Information Science and Technology from E\"otv\"os Lor\'and University in 2019. Norbert is the Public Body member of the Hungarian Academy of Science since 2020. Currently he is a Lead Researcher in Technology Innovation Institute Abu Dhabi, United Arab Emirates. He was working for the Hungarian NSA and NATO more than 7 years as a cryptanalyst and cyber security engineer. He has a strong publication record with more than 30 publications in the field of Prime number theory and Cryptography. He holds internationally recognized IT security certificates such as OSEP, OSCE, OSCP, OSWP, CRTP, CEH, ECES and ISO27k1.

Challenge Write-up with special mention
Cryptography
Pattern is the key 		tihanyin.pdf
Validation date Challenge Number of points
2020-07-27 14:43:12
Cryptography
Crypto over the network 		4
2020-05-13 14:16:56
Web
Super Lottery 		5
2020-05-07 13:06:59
Web
Orao's factory 		6
2020-05-06 12:34:33
Web
REST in peace 		3
2020-05-04 16:07:46
Web
Secure Mail 		8
2020-05-03 17:47:15
Forensics
Really Depressed Protocol 		7
2020-05-01 16:00:26
Forensics
R.I.P MsPaint 		4
2020-05-01 09:47:17
Forensics
802.1X Part 1 		4
2020-05-01 01:59:41
Forensics
Meat Loaf 		2
2020-04-26 18:11:41
Web
Captcha II 		4
2020-04-24 03:49:16
Cryptography
Let's Play Scrabble! Part 2 		5
2020-04-19 17:03:53
Steganography
Can you see through the matrix! 		3
2020-04-18 14:54:41
Cryptography
Let's Play Scrabble! 		3
2020-04-18 13:12:29
Malware Analysis
Capture 2 Part 4 		3
2020-04-18 13:11:07
Malware Analysis
Capture 2 Part 3 		1
2020-04-18 13:08:01
Malware Analysis
Capture 2 Part 2 		1
2020-04-18 10:06:44
Forensics
Ping pong 		5
2020-04-18 09:19:47
Forensics
Spy my girl 		5
2020-04-18 04:25:48
Reverse Engineering
RingZer0 Authenticator 		5
2020-04-18 02:58:14
Reverse Engineering
Windows API for the win 		4
2020-04-18 01:58:31
Reverse Engineering
Kernel introduction 		3
2020-04-17 05:02:16
Cryptography
Crypto Leak 		4
2020-04-16 06:13:24
Coding Challenges
Classic Sudoku 		7
2020-04-15 14:10:16
Coding Challenges
Number game 		7
2020-04-15 12:39:47
Coding Challenges
Find the right word 		7
2020-04-15 09:13:54
Coding Challenges
Execute me if you can again 		6
2020-04-15 08:54:55
Shellcoding
Linux x64 shellcoding level 7 		14
2020-04-15 08:38:52
Reverse Engineering
Heap allocator 		3
2020-04-15 00:43:43
Cryptography
Fashion Victim 		2
2020-04-14 18:19:58
Web
XPATH of hell! 		7
2020-04-14 17:59:47
Jail Escaping
Bash Jail 5 		6
2020-04-14 17:43:53
Jail Escaping
PyJail 1 		3
2020-04-14 17:05:06
Web
Read the unreadable 		5
2020-04-13 16:53:36
Web
I hate this one 		6
2020-04-13 15:04:12
Web
XSS Challenge 5 		6
2020-04-12 17:39:48
Web
Propaganda mail 		4
2020-04-12 17:17:59
Web
Looking for the flag? 		3
2020-04-12 16:39:01
Web
Facebook will never forget this one 		3
2020-04-12 09:41:38
Web
Password reset reloaded 		3
2020-04-12 05:06:35
Coding Challenges
Xor me if you can 		6
2020-04-11 19:13:39
Forensics
We got breached again 		6
2020-04-11 06:58:43
Coding Challenges
Read me if you can 		6
2020-04-11 05:44:42
Coding Challenges
Execute me if you can 		5
2020-04-11 04:26:10
Coding Challenges
I saw a little elf 		4
2020-04-11 02:51:44
Web
XSS Challenge 4 		3
2020-04-10 16:49:23
Steganography
Look inside the house 		2
2020-04-10 16:36:07
Web
XSS Challenge 3 		3
2020-04-10 01:33:53
SQL Injection
Login portal 4 		7
2020-04-10 01:21:45
SQL Injection
Internet As A Service 		7
2020-04-10 01:11:44
SQL Injection
When it's lite it's not necessarily easy 		6
2020-04-10 01:06:22
SQL Injection
Login portal 3 		6
2020-04-10 01:02:06
SQL Injection
No more hacking for me! 		4
2020-04-09 18:28:42
SQL Injection
Hot Single Mom 		6
2020-04-09 18:26:24
SQL Injection
Quote of the day reloaded 		5
2020-04-09 18:25:32
SQL Injection
Thinking outside the box is the key 		4
2020-04-09 18:17:44
SQL Injection
Quote of the day 		4
2020-04-09 16:56:04
Web
Serial killer! 		3
2020-04-09 14:11:00
Web
XSS Challenge 2 		2
2020-04-08 17:50:09
Pwnage Linux
Level3 Pwnage Linux Level Up 		3
2020-04-08 17:46:36
Pwnage Linux
Level2 Pwnage Linux Level Up 		2
2020-04-08 15:03:50
Shellcoding
Linux x64 shellcoding level 2 		4
2020-04-08 14:57:22
Shellcoding
Linux x64 shellcoding level 3 		6
2020-04-08 14:49:15
Shellcoding
Linux x64 shellcoding level 4 		8
2020-04-08 14:36:11
Shellcoding
Linux x64 shellcoding level 5 		10
2020-04-08 14:33:09
Shellcoding
Linux x64 shellcoding level 6 		12
2020-04-08 13:51:35
Shellcoding
Basics of Linux x64 shellcoding 		2
2020-04-07 16:26:55
Cryptography
Crypto Object 		4
2020-04-07 13:58:30
Cryptography
Pattern is the key 		6
2020-04-07 07:55:47
SysAdmin Linux
SysAdmin Part 8 		4
2020-04-07 07:34:11
SysAdmin Linux
SysAdmin Part 7 		4
2020-04-07 06:54:31
JavaScript
WTF Lol! 		6
2020-04-06 14:39:37
Coding Challenges
Ascii Art 		6
2020-04-06 04:07:46
Coding Challenges
Hash breaker reloaded again 		6
2020-04-05 16:29:23
Reverse Engineering
Crack Me 1 		3
2020-04-05 15:10:07
Reverse Engineering
Windows x86 reversing is cool 		3
2020-04-05 14:35:12
Reverse Engineering
I never forget the Nintendo 64 		3
2020-04-05 14:24:12
Reverse Engineering
Time to learn x86 ASM & gdb 		2
2020-04-05 12:34:59
Pwnage Linux
Level1 Pwnage Linux Level Up 		1
2020-04-05 08:34:23
Steganography
Victor reloaded 		2
2020-04-05 01:47:46
Reverse Engineering
Can you see through the star 		2
2020-04-03 12:23:08
Forensics
Poor internet connection 		4
2020-04-03 11:41:25
Steganography
I'm Goronyo Babad Nigerian prince 		2
2020-04-02 16:03:22
Coding Challenges
Ask your grandpa again! 		4
2020-04-02 15:55:07
Coding Challenges
Ask your grandpa! 		2
2020-04-02 15:49:32
Web
PHP feature or 0day? 		3
2020-04-02 15:36:04
Web
Security thru obscurity! 		2
2020-04-02 15:19:12
Web
XSS Challenge 1 		2
2020-04-02 15:03:01
Web
Admin Portal 		2
2020-04-02 14:24:07
Web
Password reset 		2
2020-04-02 12:55:23
Jail Escaping
PHP Jail 5 		6
2020-04-02 12:46:13
Jail Escaping
PHP Jail 4 		4
2020-04-02 12:34:46
Jail Escaping
PHP Jail 3 		3
2020-04-02 12:32:24
Jail Escaping
PHP Jail 2 		2
2020-04-02 12:28:12
Jail Escaping
PHP Jail 1 		1
2020-04-02 12:11:10
Steganography
Your old friend Orloge Simard 		3
2020-04-02 12:08:31
Steganography
A ghost sound 		2
2020-04-02 12:03:51
Steganography
Missing Pieces 		2
2020-04-02 11:55:21
Steganography
Hidden In Plain Sight 		2
2020-04-02 11:41:05
Steganography
Brainsick 		2
2020-04-02 10:13:05
Jail Escaping
C Jail 3 		3
2020-04-02 10:10:24
Jail Escaping
C Jail 2 		2
2020-04-02 10:07:32
Jail Escaping
C Jail 1 		1
2020-04-02 05:10:06
Jail Escaping
Bash Jail 4 		4
2020-04-02 04:57:30
Jail Escaping
Bash Jail 3 		3
2020-04-02 02:23:27
Jail Escaping
Bash Jail 2 		2
2020-04-02 02:20:39
Jail Escaping
Bash Jail 1 		1
2020-04-01 09:24:13
SQL Injection
Don't mess with Noemie; she hates admin! 		3
2020-04-01 09:14:17
SQL Injection
What's the definition of NULL 		3
2020-04-01 09:07:28
Forensics
I love cat 		2
2020-04-01 09:03:09
Forensics
Who I am part 2 		1
2020-04-01 08:58:35
Forensics
Someone steal my flag again 		5
2020-04-01 08:52:41
Forensics
We got breached 		5
2020-04-01 08:44:05
Forensics
Hey Chuck where is the flag? 		2
2020-04-01 08:19:55
Cryptography
Is it a secure string? 		5
2020-04-01 05:29:19
Forensics
Someone steal my flag! 		3
2020-04-01 05:23:32
Forensics
Hide my ass in my home! 		2
2020-04-01 05:14:17
Forensics
Agent Smith reloaded 		4
2020-03-31 17:00:15
Software Defined Radio
SigID Level 1 		1
2020-03-31 16:47:27
Steganography
Victor you're hidding me something 		1
2020-03-31 16:43:50
Steganography
You're lost? Use the map 		1
2020-03-31 16:20:12
Forensics
3 / 3 Suspicious account password? 		4
2020-03-31 16:15:32
Forensics
2 / 3 Did you see my desktop? 		3
2020-03-31 15:39:45
Forensics
1 / 3 Do not waste the environment 		2
2020-03-31 15:31:57
Forensics
Attention Dinosaure Survive 		2
2020-03-31 15:18:24
Forensics
Dr. Pouce 		2
2020-03-31 15:06:36
Forensics
I made a dd of Agent Smith usb key 		1
2020-03-31 12:17:21
Web
Captcha I 		2
2020-03-31 09:32:29
Web
Unreadable captcha 		2
2020-03-30 09:56:36
Web
PHP Fairy 		2
2020-03-30 09:34:12
Web
Malicious upload 		2
2020-03-30 09:25:58
Web
Headache 		1
2020-03-30 09:24:45
Web
Words mean something? 		1
2020-03-30 09:23:23
Web
Looking for password file 		1
2020-03-30 09:22:16
Web
Big Brother is watching 		1
2020-03-30 09:00:46
Web
Area 51 		1
2020-03-30 06:03:31
SysAdmin Linux
SysAdmin Part 6 		3
2020-03-30 05:57:18
SysAdmin Linux
SysAdmin Part 5 		2
2020-03-30 05:53:25
SysAdmin Linux
SysAdmin Part 4 		2
2020-03-30 05:41:04
SysAdmin Linux
SysAdmin Part 3 		1
2020-03-30 05:35:40
SysAdmin Linux
SysAdmin Part 2 		1
2020-03-30 05:01:11
SysAdmin Linux
SysAdmin Part 1 		1
2020-03-29 19:29:21
Forensics
Who I am? 		2
2020-03-29 19:02:09
JavaScript
Why not be more secure? 		5
2020-03-29 18:59:41
JavaScript
Why not? 		2
2020-03-29 18:55:00
JavaScript
Valid key required 		2
2020-03-29 18:53:24
JavaScript
Most Secure Crypto Algo 		2
2020-03-29 18:49:40
JavaScript
Then obfuscation is more secure 		1
2020-03-29 18:46:54
JavaScript
Hashing is more secure 		1
2020-03-29 18:45:38
JavaScript
Client side validation is bad! 		1
2020-03-29 18:05:44
Malware Analysis
Capture 1 Part 3 		1
2020-03-29 17:29:51
Malware Analysis
Capture 1 Part 1 		1
2020-03-29 05:27:03
SQL Injection
Login portal 2 		3
2020-03-29 05:11:26
SQL Injection
ACL rulezzz the world. 		2
2020-03-29 05:09:43
SQL Injection
Login portal 1 		2
2020-03-29 05:05:42
SQL Injection
Po po po po postgresql 		2
2020-03-29 04:48:15
SQL Injection
Random Login Form 		2
2020-03-29 04:22:54
SQL Injection
Most basic SQLi pattern. 		1
2020-03-29 02:40:48
Exotic Data Storage
Just another login form 		2
2020-03-29 02:24:49
Coding Challenges
Hash breaker reloaded 		5
2020-03-29 02:16:20
Coding Challenges
I hate mathematics 		3
2020-03-29 01:49:43
Coding Challenges
Hash breaker 		4
2020-03-28 19:52:09
Coding Challenges
Hash me reloaded 		3
2020-03-28 19:43:02
Coding Challenges
Hash me please 		2
2020-03-28 18:33:45
Cryptography
TotalSecure Message Encrypter 		6
2020-03-28 17:21:55
Cryptography
Hangovers and more: Bacon 		3
2020-03-28 15:56:32
Cryptography
Encrypted Zip 		4
2020-03-28 15:54:34
Cryptography
I Lost my password 		3
2020-03-28 15:45:57
Cryptography
Martian message part 3 		3
2020-03-28 15:38:04
Cryptography
Can you understand this sentence? 		3
2020-03-28 15:29:18
Cryptography
Martian message part 2 		2
2020-03-28 15:11:03
Cryptography
Public key recovery 		2
2020-03-28 15:03:23
Cryptography
File recovery 		1
2020-03-28 14:51:54
Cryptography
You're Drunk! 		1
2020-03-28 14:32:47
Cryptography
Some martian message 		1
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