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Category Archives: CrackMe
Flare-On 8 – Task 7
Flare-On is an annual “reverse engineering marathon” organized by Mandiant (formerly by FireEye). You can see more information here. It is a Capture-The-Flag type of a contest, where you are given a set of crackmes with growing difficulity. This year … Continue reading
Flare-On 7 – Task 10
This year’s FlareOn was very interesting. I managed to finish it with 87th place. In this small series I will describe my favorite tasks, and how I solved them. I hope to provide some educational value for others, so this … Continue reading
Flare-On 7 – Task 9
This year’s FlareOn was very interesting. I managed to finish it with 87th place. In this small series I will describe my favorite tasks, and how I solved them. I hope to provide some educational value for others, so this … Continue reading
Flare-On 6 (tasks 10-12)
Flare-On 6 Flare-On Challenge is an annual competition organized by FireEye (the FLARE team). It is like a marathon of reverse engineering. Each year we get 12 crackmes of increasing difficulty to solve. You can download the tasks here. This … Continue reading
White Rabbit crackme!
UPDATE: We already got the three winners. Good job guys! However, we are waiting for the writeups to select the reward for the best one – so if you are still in between of doing the crackme, don’t give up! … Continue reading
Hook the planet! Solving FlareOn4 Challenge6 with libPeConv
Recently I started making a small library for loading and manipulating PE files (libpeconv – it’s open source, available on my GitHub). In my previous post, I demonstrated how the Challenge 3 from FlareOn4 could be solved with it’s help: … Continue reading
Import all the things! Solving FlareOn4 Challenge 3 with libPeConv
Recently I started making a small library for loading and converting PE files (libpeconv, available on my GitHub). The library is still on early stages of development, so please don’t judge and don’t use it in any serious projects. The … Continue reading
Solving the Shabak’s Airplane challenge – Task 3
Some time ago I solved the Airplane challenge published by Israeli Shin-Bet (Shabak). The crackme has three levels of increasing difficulty. Each one is a 32 bit Windows application. It was a very pleasant task, not difficult but also not … Continue reading
Solving the Shabak’s Airplane challenge – Tasks 1 and 2
Some time ago I solved the Airplane challenge published by Israeli Shin-Bet (Shabak). The crackme has three levels of increasing difficulty. Each one is a 32 bit Windows application. It was a very pleasant task, not difficult but also not … Continue reading
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