Jul 30, 2021Reverse Engineering Challenge | Lucky NumbersReverse Engineering Challenge | Lucky Numbers Introduction Hello and welcome back yet again! Today we have a simple crackme written in Assembler. Someone I’ve been helping recently sent me the binary asking for help. When I originally looked at the binary I was confused because I was expecting a C/C++ binary…Ghidra11 min readGhidra11 min read
May 6, 2021How to Exploit a Buffer Overflow VulnerabilityIntroduction Hello and welcome back! Today we have another pwn challenge from HackTheBox. Now, this challenge took me a lot longer to solve, but I blame the shellcode not working as it should 😂. Anyway, in the last pwn challenge our exploit simply forced the program to execute “dead code.” In…Buffer Overflow19 min readBuffer Overflow19 min read
May 2, 2021Reverse Engineering Challenge — FlotteIntroduction Hello and welcome back! In this blog post we will solve a fairly simple reverse engineering challenge that exposes us to the dreaded SIMD instructions. These are instructions used in floating point operations among other things. Luckily this challenge wasn’t too difficult even with these crazy instructions. …Ghidra8 min readGhidra8 min read
May 2, 2021Solving a Simple C++ CrackmeIntroduction Hello there! Someone from the crackmes.one discord channel asked for some help with this challenge. Although they ended up solving it on their own (good for them!) I also solved it and thought I should share my solution. This challenge is fairly simple but it was written in C++. C++…Ghidra10 min readGhidra10 min read
Feb 6, 2021Reverse Engineering Challenge — Sh4ll0 WalkthroughIntroduction Hello! Welcome to my first blog post! In this post, we will take a look at a simple reverse engineering challenge called Sh4ll0 from the website crackmes.one. My intended audience are noob reverse engineers like myself. However, if you are more experienced I’d be delighted if you gave this a…Reverse Engineering11 min readReverse Engineering11 min read
Feb 6, 2021Reverse Engineering Challenge — Find the Secret FlagIntroduction Hello yet again! We are back to solve another challenge! This is going to be a fun challenge. As the name implies our goal is to find the secret flag. The description for this challenge says, “Find the secret flag and get the name of the creators of this challenge!”…Hackthebox18 min readHackthebox18 min read
