Https- Bit.ly Crackfire Info
Even though the source isn’t present, the symbols make this clear. Open crackfire in Ghidra (or IDA) and locate the main routine.
Key functions:
| Address | Symbol | Purpose | |---------|--------|---------| | 0x401260 | main | reads user input with scanf("%s", buf) | | 0x4010f0 | check | compares input to a hidden string ( secret ) | | 0x401240 | win | prints flag and exits | https- bit.ly crackfire
%p %p %p %p %p %p %p %p %p %p %p %p %p %p %p %p Output (truncated): Even though the source isn’t present, the symbols
[payload] = <addr_of_ret> <addr_of_ret+4> <format string> We must pad the number of bytes printed so that %n writes the correct value. Even though the source isn’t present