In this episode I (Chris), sorry no Omar, attempt some picoCTF (now CyLab) challenges. I picked the challenges randomly and ended up with a RSA (Small Trouble) and reverse engineering APK binary (Droids 4). Used the clanker (coding agent) to help with the APK challenge as I didn’t have a way to run the apk on my machine.
It was interesting to watch the clanker parse out the .so file. Have you used a clanker for cyber security? If so, what are your thoughts?
[Read More]In this episode I solve the Forbidden Paths and Login picoCTF challenges. You can find the source code in the video here.
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[Read More]In this episode I solve the picoCTF Format String 2 problem in my longest video yet. Jump right to the end if you want to see the solution which used pwntools. I think it gave me the knowledge to solve Format String 3, which I haven’t solved yet. That said, I’m still struggling to picture the layout of variables on the stack.
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[Read More]In this episode you can watch me fail to solve the picoCTF Format String 3 problem. My lack of low-level programming is highlighted in this video as I struggle with the C printf exploits and how to read memory. Any tips for me without spoon feeding me the solution?
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[Read More]In this episode I show how to solve the Trickster picoCTF challenge which I got stuck on in the last video. I got some help from Weekly Dev Chat participants. I also solve the Cookies challenge.
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