reverseProeasy

task1.out (re2)

rev-kids20.forkbomb.ru

A 32-bit ELF binary with a decoy flag string. The program validates input through a custom XOR-based hash function and decrypts the real flag when the correct hash is provided.

static_analysis xor hash strcmp elf32 decoy_string dword_xor

xor_decryptionstatic_disassemblyhash_collisiondecoy_detection

$ ls tags/ techniques/

static_analysis xor hash strcmp elf32 decoy_string dword_xor

xor_decryptionstatic_disassemblyhash_collisiondecoy_detection

Analysis

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

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