SANS Holiday Hack Challenge 2020: Objective 3— Point-of-Sale Password Recovery

Each year, the SANS and Counter Hack Challenges teams put together my favorite capture the flag (CTF) competition, the SANS Holiday Hack Challenge. The 2020 SANS Holiday Hack Challenge, featuring KringleCon 3: French Hens! was held at Santa’s newly renovated castle at the North Pole from December 10, 2020 to January 11, 2021. This is a walk-through for an objective from the event.

Objective 3) Help Sugarplum Mary in the Courtyard find the supervisor password for the point-of-sale terminal. What’s…