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Ducky3

Level - Medium

Description:

Alright fine, I'll make my own keyboard layout...

[inject.bin] [payload.txt]

Writeup

At this point, the decoder scripts are completely useless. Since I've printed out the entire alphabet in the strings before, it's simply a matter of matching up the letters to the opcodes, and then figuring out what the flag is at the end. byuctf.json is the keyboard layout used to generate the inject.bin file from the payload, and mixup.py was used to generate byuctf.json.

Flag - byuctf{1_h0p3_y0u_enj0yed-thi5_very_muCH}