“OTP Implementation” by picoCTF
What does OTP mean here? “One Time Password”? “Over The Top”? “One True Pairing”? In any case, this...
“Powershelly” by picoCTF
When I first saw this crackme, I thought “WAT? Powershell?”. But it turned out that this was an...
“Easy as GDB” by picoCTF
I still don’t understand why the author compares it to GDB, since it won’t solve this out of...
“Hurry up! Wait!” by picoCTF
This crackme is written in Ada, which in itself is quite a fun experience. You can guess the...
“Shop” by picoCTF
The crackme is written in Go, so with my IDA Free without plugins and Lumina, it is quite...
“Rolling My Own” by picoCTF
This is a good example of the idea described in a very poorly written paper. The protection scheme is...