This beautiful morning (I do not know what time you will read this) we will see in more depth the ASLR.ASLR (not ASMR) attends the words Address Space Layout Randomization. Is a technique that was designed at the beginning of the century with DEP/NX/W^X/ etc...
Good afternoon, evening, or whatever it may be. Finally comes the awaited (?) Episode on attack base / frame pointer (EBP). Without further ado, let's start function, even with two-way XDD (this is not in itself another preamble also???).So far, we have studied the overwrite...
Today's post is almost a continuation of a previous post. Because today we will bring the widespread ret2libc.Before starting, give a brief explanation of what is ASLR (Address Space Layout Randomization). It is a simple protection method that randomizes the address space of the processes....
Hoy venimos a tratar un tema sencillo, pues es de premisas sencillas, pero que se puede complicar tanto como el programador decida. Me refiero al mundo del shellcoding. Por hoy nos ceñiremos al mundo de linux, ya que tengo entendido que antes de hacer internar...
In principle it is already clear how we get control program flow leveraging a script out of bounds. Let's see how the stack is for a function like yesterday#include <stdio.h> #include <string.h>void print(char* arg) { char buf[128]; strcpy(buf, arg); printf("%sn", buf); }int print(int argc, char** argv) { if(argc < 2) return 1; imprimir(argv[1]); return 0; }Ahem,...
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