Things I've learned and want to share
This is the quick-hit version of the second of three parts of Introduction to Cryptography training I gave. As with all of the formal training, you can use the below for a quick reference, or view the full presentation here.
Sometimes you just need a quick PHP webshell to complement your RFI vulnerability you’ve uncovered. There are plenty of “fancy” ones with lots of features, but I prefer simple, effective, command-line equivalent access any day. If you’re of that persuasion as well, just use this as the target of your RFI to give yourself Hermit’s Stupidly Simple WebShell (HSSWS). Enjoy!
Hermit's Cave 