reverseProeasy

spbctf_2_x86

spbctf

Task: Reverse engineer the encoding algorithm and decode the given sequence of 16 integers to recover the original 8-character string.

gcd x86 not_stripped c elf32 prime_multiplication random_primes encoder

static_disassemblyrodata_table_extractionprime_factor_encoding_reversalgcd_based_decryption

$ ls tags/ techniques/

gcd x86 not_stripped c elf32 prime_multiplication random_primes encoder

static_disassemblyrodata_table_extractionprime_factor_encoding_reversalgcd_based_decryption

Analysis

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

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