Https-: Bit.ly Crackfire

crackfire crackfire.c (source – optional, not always present) Make the binary executable:

0x404060: "t0pS3cr3tC0de!" In main you’ll see: https- bit.ly crackfire

# Target location: saved RIP on stack (found via %p leaks) ret_addr = 0x7fffffffe0a8 # example address from a local run crackfire crackfire

0x7ffff7a5e000 0x4006f0 0x7ffff7dd18b0 0x4008b0 0x0 0x1 The first pointer ( 0x7ffff7a5e000 ) is a ; the second ( 0x4006f0 ) is _start – an address inside the binary, which is enough to compute the base. crackfire crackfire.c (source – optional

Even though the source isn’t present, the symbols make this clear. Open crackfire in Ghidra (or IDA) and locate the main routine.