reverseProeasy

ПлюсМинус (Task 50)

duckerz

Task: 64-bit ELF binary with encrypted flag. Solution: Static analysis revealed subtraction cipher (each byte minus 10) in .rodata section.

elf reverse-engineering static-analysis simple-decryption

static_binary_analysisxor-subtraction-cipherrodata-analysis

$ ls tags/ techniques/

elf reverse-engineering static-analysis simple-decryption

static_binary_analysisxor-subtraction-cipherrodata-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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