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# SecureNote | ||
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**Description** | ||
Building Secure Applications is hard! But we tried. Can you get the flag from Secure Note? | ||
You might need to dig deep into your skills for this one. | ||
(PS: The challenge requires no automated testing tools! using them == instant ban) | ||
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**Author**: [r3x](https://twitter.com/Tr3x__) & [4lph4](https://twitter.com/__4lph4__) | ||
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**Short writeup** | ||
+ Challenge involves Reversing, Web, and Crypto | ||
+ Reverse the binary to get the endpoints | ||
+ Trigger the XSS bug in the website and get admin cookie | ||
+ Use Hash Length extension attack to get authenticated as admin and get the flag |