Const

spbctf

ELF 64-bit LSB PIE executable, x86-64, dynamically linked, not stripped. A task about understanding the constructor mechanism in C and analyzing data modification before main() execution.

elf not_stripped constructor init_array character_swap data_modification

static_analysisobjdump_disassemblyconstructor_identificationswap_tracinginit_array_analysis

$ ls tags/ techniques/

elf not_stripped constructor init_array character_swap data_modification

static_analysisobjdump_disassemblyconstructor_identificationswap_tracinginit_array_analysis

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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