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selfsigned/README.md

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  1. kfs kfs Public

    x86 bare metal programming for 42's Kernel programming track

    C 1

  2. Advent-of-Svelte-2023 Advent-of-Svelte-2023 Public

    Advent of Svelte 2023

    Svelte 1

  3. portfolio portfolio Public

    My web resume

    Svelte 1

  4. description of a ret2libc exploit in... description of a ret2libc exploit in the 42 rainfall project
    1 
    ## Ret2libc
    2 
    An alternative to using a shellcode is to find the adress of the `system()` function in memory and to complement it with a memory location that contains a shell path string.
    3 
    This method has the advantage of also working when the NX bit is set (not the case here), NX being a technology that marks certain areas of memory as non-executable, supposedly foiling buffer overflow attacks.
    4 
     
     
     5 
    #### The exploit
     
     
     
     
     
    5.  
  5.  
     
     
      Functional FizzBuzz Functional FizzBuzz 
     
     
     1 
    // Logic
     
     
     2 
    type FizzBuzzOutput = (x: number) => string
     
     
     3 
    const Fizz : FizzBuzzOutput = x => (x % 3 === 0) ? "Fizz" : ""
     
     
     4 
    const Buzz : FizzBuzzOutput = x => (x % 5 === 0) ? "Buzz" : ""
     
     
     5 
    const FizzBuzzPrint : FizzBuzzOutput = x => Fizz(x) + Buzz(x)
     
     
     
     
     
    6.  
  6.  
     
     
     
      HackThePlanet HackThePlanet Public 
     
     
     42 Cybersec projects 
     
       C      3  
     
     
     
    7.