Solves: 34 Type: crypto/pwn Difficulty: Easy Author: Pun1sher + Arkaja crack() the jail to get the flag. But make sure you get your crypto right. Introduction This was a very fun challenge to...

Challenge description Our CTO takes Git commits quite seriously. Someone in our discord channel got an email from him. Now the person wants a similar email signature like the CTO of our company...

This user called timehowls on reddit was really rude to me. Can you osint him and find some sensitive information about him? The first thing they give us is a reddit username so we go to red...

NOTE: The following is a writeup for the solution we developed independently for this challenge after the end of the competition. Cloudinspect was a pwn challenge during Hack.lu CTF 2021 that got ...

Sold: 92 times Type: crypto Risk: Low Seller: 3ul3r The local water supplier Silver Water Industries is planning their IPO. To appeal to current crypto investors, they even implemented a mil...

NOTE: In this CTF we participated with ripp3rs. Beans talk was a reversing challenge during ASIS CTF Quals 2021 that got 37 solves. We are given a 64 bit binary ELF file with debug info for Linux....

NOTE: In this CTF we participated with ripp3rs. Introduction Abbreviations in English are complicated... Why? In this challenge we are given a 64-bit statically linked executable, compiled with...

Log Analysis An incident has affected our website! Fortunately, we have logs. This is a 3-part challenge. Two IIS logs are provided: $ ll *log 9,4M attack.log 46M more.log $ for f in *log; ...

Write What Where is an easy pwn challenge with 70 solves. We get an x64 executable and a libc shared library. The description of the challenge is the following: You've got one write. What do you d...

flag checker was a reversing challenge during DownUnderCTF 2021 that got 16 solves. We are given a stripped 64 bit binary ELF file for Linux. $ file flag_checker flag_checker: ELF 64-bit LSB pie ...