ROP Emporium has another trick up their sleeve with callme — calling functions with multiple arguments. It’s not going to break your brain… — ROP Emporium has another trick up their sleeve with callme — calling functions with multiple arguments. It’s not going to break your brain, but as we add more levels of complexity, it’s a good idea to leverage tools to keep things simple. Download ROP Emporium’s callme here: https://ropemporium.com/binary/callme.zip

It’s finally time to finish vm1 and ransomeware1, two of MalwareTech’s beginner reverse engineering challenges — It’s been a few weeks since the last post, but it’s finally time to finish vm1 and ransomeware1, two of MalwareTech’s beginner reverse engineering challenges. Check out the first part of this series if you missed it. MalwareTech’s Strings and Shellcode Challenges with Radare2 Today we’re going through MalwareTech’s string and shellcode challenges. These are noob friendly challenges, but you…medium.com

Welcome back. Our next challenge is split, which introduces the concept of ROP gadgets, and how they can be used to manipulate the stack… — Welcome back. Our next challenge is split, which introduces the concept of ROP gadgets, and how they can be used to manipulate the stack and registers, and execute unintended code. You can download the binary here: https://ropemporium.com/binary/split.zip If you missed the first part of this series covering ret2win, you can…

This series is going to focus on ROP Emporium’s fantastic buffer overflow challenges and basic x64 return-orientated programming (ROP)… — Updated 2021: I’ve made some minor tweaks to match updates made to the challenges. This series is going to focus basic x64 return-orientated programming (ROP), using the fantastic buffer overflow challenges from ROP Emporium. These challenges get progressively harder as they introduce new concepts and force you to be creative…

Today we’re going through MalwareTech’s string and shellcode challenges. These are noob friendly challenges, but you should be comfortable… — Today we’re going through MalwareTech’s string and shellcode challenges. These are noob friendly challenges, but you should be comfortable with r2 and reversing x86 assembly. If you’re new to r2, check out my series focusing on CMU’s Binary Bomb. You can download MalwareTech’s challenges here: https://www.malwaretech.com/beginner-malware-reversing-challenges

One…last..level. — One…last..level. Let’s go! Previous Posts: CMU Bomb Lab with Radare2 — Phase 1 Hello world. In the interests of putting more Radare2 content out there, here’s a noob friendly intro to r2, for those…medium.com CMU Bomb Lab with Radare2 — Phase 2 Reverse Engineering with r2medium.com CMU Bomb Lab with Radare2 — Phase 3 Welcome back! This series would get boring if all we did was patch instructions, so let’s try actually doing this…medium.com

This level gets a little rough. We’ve decided to use r2 for good, so patching is not an option. — This level gets a little rough. We’ve decided to use r2 for good, so patching is not an option. Previous posts: CMU Bomb Lab with Radare2 — Phase 1 Hello world. In the interests of putting more Radare2 content out there, here’s a noob friendly intro to r2, for those…medium.com CMU Bomb Lab with Radare2 — Phase 2 Reverse Engineering with r2medium.com

I lied about cheating through everything in this challenge. We will 100% do Phase 5 properly since it focuses on basic reverse… — Ok, I lied about cheating through everything in this challenge. We will 100% do Phase 5 properly since it focuses on basic reverse engineering. As you may have heard, r2 is great at RE. If you missed the other posts in this series, here they are: CMU Bomb Lab with Radare2 — Phase 1 Hello world. In the interests of putting more Radare2 content out there, here’s a noob friendly intro to r2, for those…medium.com

Phase 4 is my least favourite phase, but it’s not so bad when your goal is cheating. — Phase 4 is my least favourite phase, but it’s not so bad when your goal is cheating. You can find previous posts in this series here: CMU Bomb Lab with Radare2 — Phase 1 Hello world. In the interests of putting more Radare2 content out there, here’s a noob friendly intro to r2, for those…medium.com CMU Bomb Lab with Radare2 — Phase 2 Reverse Engineering with r2medium.com