Block cipher challenge

Level: ECB mode

Sorry, you're not an admin (need is_admin: true)



Ciphertext (hexencoded), for easy copy-paste

e17bb65aafc5b1b0501e3b2b27c93abf9c1f9740f86a4e524ffa9e2f2cde60550b8ad72140169e11c550b089acbcbaf5

Ciphertext (hexencoded):

e17bb65aafc5b1b0501e3b2b27c93abf 9c1f9740f86a4e524ffa9e2f2cde6055 0b8ad72140169e11c550b089acbcbaf5

Plaintext (hexencoded):

7b22757365726e616d65223a20226775 657374222c202269735f61646d696e22 3a2066616c73657d0808080808080808

Plaintext:

{"username": "gu est", "is_admin" : false}\x08\x08\x08\x08\x08\x08\x08\x08

Final plaintext

{"username": "guest", "is_admin": false}