Newsletter 19/12/2022

32-bit binary. Buffer Overflow. Custom shellcode

Guess string. Base64

PHP and JavaScript deobfuscation. Disc image inspection

50 points. Inspect HTML code

50 points. robots.txt

50 points. HTTPs certificate

50 points. Python code deobfuscation. XOR cipher

75 points. 64-bit binary. Buffer Overflow. Redirecting program execution

90 points. RSA. Common modulus attack

75 points. RSA. Greatest Common Divisor. Bad PRNG