In order crypto, reverse and pwn. A select few:
- hacklu
- plaid ctf
- sstic
- matasano
- microcorruption
Rootme not uploaded because policy.
List is very incomplete, my memory being as it is. Not to late to start keeping track of stuff :)
###Crypto:
- Matasano
- (excellent) ghost in the shellcode/gitzino. Really neat stuff if you disregard the sanitation weaknesses. Got to thank this one for opa/threading.
- Confidence 2015, RSA1 and 2
- volga/crypto600
- (awesome) pwn2win: IC layout reversing
- microcorruption (uc/)
- hacklu 2014 / exploit, the hard ones