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About steffenxyz

Usernamesteffenxyz
CountryGermany
Member since2015-10-26
Coins11
Points201
Write-up with special mention4
Ranking318 / 50557
Challenges completed71 / 396

Challenge Write-up with special mention
SQL Injection
Login portal 2
writeup.sql
Steganography
Brainsick
writeup_sts.txt
Reverse Engineering
Kernel introduction
writeup.log
Cryptography
Crypto is not good as you think
writeup.txt
Validation date Challenge Number of points
2019-04-13 09:22:15
Cryptography
Spies
9
2018-08-09 21:46:58
Cryptography
TotalSecure Message Encrypter V2
10
2018-08-03 21:16:38
Web
PHP Fairy
2
2018-08-03 21:15:23
Web
Admin Portal
2
2018-07-31 00:40:19
Cryptography
TotalSecure Message Encrypter
6
2018-07-30 18:37:08
Cryptography
Crypto is not good as you think
8
2018-07-21 15:41:11
Web
PHP feature or 0day?
3
2017-12-22 18:49:55
Reverse Engineering
Let's take a detour
4
2017-12-10 15:43:46
Reverse Engineering
Wrong byte!
4
2017-12-07 22:55:46
Reverse Engineering
Power to the people
4
2017-11-26 22:25:58
Reverse Engineering
Windows API for the win
4
2017-11-20 20:49:02
Reverse Engineering
Introduction to ARM
4
2017-11-15 21:34:51
Reverse Engineering
I never forget the Nintendo 64
3
2017-11-15 21:27:43
Reverse Engineering
Windows x86 reversing is cool
3
2017-11-15 20:12:22
Reverse Engineering
Introduction to MIPS
3
2017-11-13 17:24:29
Reverse Engineering
Kernel introduction
3
2017-11-12 23:21:45
Reverse Engineering
Intro To Sparc
3
2017-11-12 20:34:36
Reverse Engineering
Heap allocator
3
2017-11-04 13:42:56
Reverse Engineering
Crack Me 1
3
2017-11-04 13:03:52
Reverse Engineering
Can you see through the star
2
2017-10-15 18:06:53
Steganography
Brainsick
2
2017-10-11 14:31:51
Cryptography
Free Flag Encrypter
5
2017-10-05 17:25:21
Cryptography
Can you understand this sentence?
3
2017-10-05 16:33:17
Cryptography
Hangovers and more: Bacon
3
2017-09-30 11:10:33
Cryptography
Is it a secure string?
5
2017-09-29 20:28:34
Cryptography
Encrypted Zip
4
2017-09-29 17:50:46
Cryptography
File recovery
1
2017-09-29 17:43:12
Cryptography
Martian message part 3
3
2017-09-29 16:44:54
Cryptography
Martian message part 2
2
2017-09-29 16:10:45
Cryptography
Some martian message
1
2016-11-22 13:23:30
Jail Escaping
Bash Jail 3
3
2016-11-22 13:23:03
SysAdmin Linux
SysAdmin Part 2
1
2016-11-22 13:20:44
SysAdmin Linux
SysAdmin Part 1
1
2016-11-22 13:09:33
Jail Escaping
Bash Jail 2
2
2016-11-22 13:05:00
Jail Escaping
Bash Jail 1
1
2016-09-03 07:38:42
Reverse Engineering
Time to learn x86 ASM & gdb
2
2016-09-03 07:35:07
Web
Big Brother is watching
1
2016-08-30 09:27:11
Cryptography
Public key recovery
2
2016-05-15 13:47:10
Coding Challenges
Ask your grandpa again!
4
2016-05-15 13:23:42
Coding Challenges
Ask your grandpa!
2
2016-05-15 11:30:14
Coding Challenges
I hate mathematics
3
2016-05-15 10:54:26
Coding Challenges
Hash breaker reloaded again
6
2016-05-15 06:12:35
Coding Challenges
Hash breaker reloaded
5
2016-05-14 09:14:55
Coding Challenges
Hash breaker
4
2016-04-19 16:48:52
SQL Injection
What's the definition of NULL
3
2016-04-16 13:32:21
Coding Challenges
Hash me reloaded
3
2016-04-15 17:28:21
SQL Injection
Login portal 2
3
2016-04-13 20:50:31
Coding Challenges
Hash me please
2
2016-04-06 18:52:20
SQL Injection
Don't mess with Noemie; she hates admin!
3
2016-04-06 18:43:17
Exotic Data Storage
Just another login form
2
2016-04-06 18:36:21
SQL Injection
Po po po po postgresql
2
2016-04-06 16:29:44
SQL Injection
Random Login Form
2
2016-04-06 14:43:11
SQL Injection
Login portal 1
2
2016-03-16 14:36:59
Forensics
I made a dd of Agent Smith usb key
1
2016-01-19 19:07:10
Web
XSS Challenge 1
2
2016-01-19 18:22:29
Web
XSS Challenge 2
2
2015-12-01 14:51:36
Web
Password reset reloaded
3
2015-11-20 12:40:44
Web
Password reset
2
2015-11-20 12:12:32
Web
Captcha I
2
2015-11-12 14:39:24
Web
Looking for the flag?
3
2015-11-12 14:30:10
Web
Looking for password file
1
2015-11-12 14:28:50
Web
Words mean something?
1
2015-10-28 15:52:03
Web
Area 51
1
2015-10-28 13:22:51
Web
Headache
1
2015-10-27 19:15:52
JavaScript
Why not?
2
2015-10-27 18:55:49
JavaScript
Then obfuscation is more secure
1
2015-10-27 18:15:34
JavaScript
Hashing is more secure
1
2015-10-27 18:07:17
JavaScript
Client side validation is bad!
1
2015-10-27 17:39:50
Cryptography
I Lost my password
3
2015-10-26 19:53:37
SQL Injection
ACL rulezzz the world.
2
2015-10-26 18:43:02
SQL Injection
Most basic SQLi pattern.
1
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