Hacky Easter 2018 writeup

As every year hacking-lab.com carried out the annual Hacky Easter event with 27 challenges. I could not spend as much time as I would have liked to on solving the challenges, but after all I managed to collect 25 of the 27 eggs and focused on this writeup.
01 Prison Break
02 Babylon
03 Pony Coder
04 Memeory
05 Sloppy & Paste (mobile)
06 Cooking for Hackers
07 Jigsaw
08 Disco Egg
09 Dial Trial (mobile)
10 Level Two
11 De Egg you must (not solved)
12 Patience (mobile)
13 Sagittarius…
14 Same same…
15 Manila greetings
16 git cloak –hard
17 Space Invaders
18 Egg Factory
19 Virtual Hen
20 Artist: No Name Yet (not solved)
21 Hot Dog
22 Block Jane
23 Rapbid Learning
24 ELF
25 Hidden Egg #1
26 Hidden Egg #2
27 Hidden Egg #3

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angstromCTF 2018 – writeup hellcode

The angstromCTF 2018 (ctftime.org) ran from 16/03/2018, 20:00 UTC to 23/03/2018 00:00 UTC.

As the description on ctftime.org states, the ctf is primarily geared towards high school students but with a very wide range of challenge difficulty.

There have been a lot of interesting challenges which have been fun to do. I decided to make a writeup for the pwn challenge hellcode.

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RPISEC/MBE: writeup lab04 (Format Strings)

In the last lab, which writeup can be found here, we used publicly available shellcodes as well as shellcodes we had to write on our own, in order to exploit the provided binaries. In this writeup we proceed with the next lab, which focuses on the subject of Format Strings.

As usual there are three levels ranging from C to A:
–> lab4C
–> lab4B
–> lab4A

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