Solving Dakotacon 2015 RE C2 challenge with Angr

Background The motivation my last entry was to provide an easier way for me, and others, to learn more about (and use!) Angr. Well, I've finally had some time to play around with Angr, and I've been able to use it to solve two CTF challenges (as of now --…

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Dakotacon 2015 RE Challenge C2 Writeup

The Dakotacon C2 challenge was moderately difficult in that it actually required you to do a little programming work -- most of the other C-based challenges in this CTF allowed you to set a breakpoint at a smart place (e.g. right before strcmp()), and view the key in-memory. Instead…

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