PicoCTF

• PicoCTF
• Generally setup as a series of competitions for high school students but anyone can work through past challenges.
• Very good for learning a wide range of skills or just practicing old ones.
• It includes reverse engineering, binary exploitation, web hacking and more.
• There are also a lot of walkthroughs available online for each challenge if you get really stuck and need some help.

Walkthroughs

Definitely spoilers contained in here so if you don’t want to know the answers, don’t look!

• Obedient Cat
• Mod26
• Undo