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Ron Stoner
Ron Stoner

225 Followers

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Dec 29, 2019

#kksctf open 2019 — Postman

The Challenge Hey, some kaсkers steal my mail. Can you help return and deliver it? The Postman challenge provides us with a remote website and port. Navigating to the site shows us only a single line of text asking us to help the user retrieve their email. The Solution Let’s help the user get…

Infosec

2 min read

#kksctf open 2019 — Postman
#kksctf open 2019 — Postman
Infosec

2 min read


Dec 29, 2019

#kksctf open 2019 — Xmas Tree

The Challenge Do you like to decorate the Christmas tree? This challenge was listed as “Misc”, and no other hints were provided. The Solution This was an easy challenge, as the answer was literally staring participants in the face during the entire CTF. Navigating to the kksctf web page showed a variety of Christmas themes, including a neat ASCII Christmas tree.

Cybersecurity

2 min read

#kksctf open 2019 — Xmas Tree
#kksctf open 2019 — Xmas Tree
Cybersecurity

2 min read


Dec 29, 2019

#kksctf open 2019 — Stego Warmup

The Challenge We get some file. Can you find secret? We are provided the above file of Shaq gracefully obfuscating himself behind a tree. No other clues or hints are provided. The Solution This was an extremely easy steganography challenge. The flag we are looking for is embedded inside the image data. We can extract the EXIF metadata from the image using exiftool, revealing the final flag.

Infosec

1 min read

#kksctf open 2019 — Stego Warmup
#kksctf open 2019 — Stego Warmup
Infosec

1 min read


Dec 29, 2019

#kksctf open 2019 — Red XOXOXO

The Challenge We receive a message that is captured, and since this challenge is listed as “crypto”, we need to decipher the cipher text of -*;91~.,1*1=12~;-*?<27–6;:r~+-;~=27;0*~*1~=100;=*p~7y3~)?7*709~81,~+,~,;.2'p~55-%?**j=5.?*.:j)0#

Cybersecurity

2 min read

#kksctf open 2019 — Red XOXOXO
#kksctf open 2019 — Red XOXOXO
Cybersecurity

2 min read


Dec 27, 2019

OverTheWire Advent Bonanza 2019 — Challenge Zero

This write up is part of a bigger Capture The Flag competition. You can see other challenge write ups on the main post here. Prior to the start of OverTheWire Advent Bonanza 2019, the creators released a “Challenge Zero” for teams to work on. The challenge was located at https://advent2019.overthewire.org/challenge-zero…

Ctf Writeup

5 min read

OverTheWire Advent Bonanza 2019 — Challenge Zero
OverTheWire Advent Bonanza 2019 — Challenge Zero
Ctf Writeup

5 min read


Dec 27, 2019

OverTheWire Advent Bonanza 2019 — Sudo Sudoku

This write up is part of a bigger Capture The Flag competition. You can see other challenge write ups on the main post here. The Challenge Santa’s little helpers are notoriously good at solving Sudoku puzzles. Because regular Sudoku puzzles are too trivial, they have invented a variant.

Programming

3 min read

OverTheWire Advent Bonanza 2019 — Sudo Sudoku
OverTheWire Advent Bonanza 2019 — Sudo Sudoku
Programming

3 min read


Dec 27, 2019

OverTheWire Advent Bonanza 2019–Santa’s Signature

This write up is part of a bigger Capture The Flag competition. You can see other challenge write ups on the main post here. The Challenge Can you forge Santa’s signature? The Data We are provided a remote service to connect to, as well as some source code on how that service is running.

Infosec

3 min read

OverTheWire Advent Bonanza 2019–Santa’s Signature
OverTheWire Advent Bonanza 2019–Santa’s Signature
Infosec

3 min read


Dec 27, 2019

OverTheWire Advent Bonanza 2019–tiny runes

This write up is part of a bigger Capture The Flag competition. You can see other challenge write ups on the main post here. The Challenge One of Santa’s Little Helpers received an unusual Christmas wish, a copy of the yet to be released Deus Hex game. All they managed to find…

Ctf

4 min read

OverTheWire Advent Bonanza 2019–tiny runes
OverTheWire Advent Bonanza 2019–tiny runes
Ctf

4 min read


Dec 27, 2019

OverTheWire Advent Bonanza 2019–mooo

This write up is part of a bigger Capture The Flag competition. You can see other challenge write ups on the main post here. The Challenge ‘Moo may represent an idea, but only the cow knows.’ — Mason Cooley Mooo was one of the more fun challenges and provided us with a…

Hacking

4 min read

OverTheWire Advent Bonanza 2019–mooo
OverTheWire Advent Bonanza 2019–mooo
Hacking

4 min read


Dec 27, 2019

OverTheWire Advent Bonanza 2019–7110

This write up is part of a bigger Capture The Flag competition. You can see other challenge write ups on the main post here. The Challenge Santa is stranded on the Christmas Islands and is desperately trying to reach his trusty companion via cellphone. We’ve bugged the device with a primitive keylogger…

Cybersecurity

5 min read

OverTheWire Advent Bonanza 2019–7110
OverTheWire Advent Bonanza 2019–7110
Cybersecurity

5 min read

Ron Stoner

Ron Stoner

225 Followers

https://ron.stoner.com

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