Block cipher challenge

Level: CBC mode

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



Ciphertext (hexencoded), for easy copy-paste

9527a40069c12c3d1b883c9325abc99d9076711721b6489123fb88c8ea60a5f0bdd2405177d3f4ac5e756a4dbfe6de5594b02c3a955910176cc05861b0e771cf

Ciphertext (hexencoded):

9527a40069c12c3d1b883c9325abc99d 9076711721b6489123fb88c8ea60a5f0 bdd2405177d3f4ac5e756a4dbfe6de55 94b02c3a955910176cc05861b0e771cf

Plaintext (hexencoded):

9527a40069c12c3d1b883c9325abc99d 7b22757365726e616d65223a20226775 657374222c202269735f677565737422 3a20747275657d090909090909090909

Plaintext:

\x95\'\xa4\x00i\xc1,=\x1b\x88<\x93%\xab\xc9\x9d {"username": "gu est", "is_guest" : true}\t\t\t\t\t\t\t\t\t

Final plaintext

{"username": "guest", "is_guest": true}