We covered a scenario of web application admin bypass by reverse engineering the PHP source code which was based on creating a cookie through a series of encoding and XOR encryption. Following the same logic in the code, we were able to change the required attributes in the cookie to bypass the challenge and receive the password of the next level. This was part of OverTheWire War Games Natas Level 11

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Next Level Password:

YWqo0pjpcXzSIl5NMAVxg12QxeC1w9QG

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