Postbook - FLAG5

0x00 Cookie

user cookie

id: "c81e728d9d4c2f636f067f89cc14862c"

Check at cmd5.com. It is just md5 value of 2.

0x01 Admin Cookie

md5(1)

id: "c4ca4238a0b923820dcc509a6f75849b"

0x02 FLAG

Successfully login as admin.