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Message: <blockquote data-quote="Poison_tools" data-source="post: 1249" data-attributes="member: 554">So, today we will create an exploit based on buffer overflow.A buffer overflow is a phenomenon that occurs when a computer program writes data outside of the buffer allocated in memory!Working with the scriptLet's work with the script, we can take any program, it's best to work with a program in C, C++, C# ( if you have an exe, then I advise you to resort to decompilation ), the UBS v5.0 program is written in Delphi v6, here are the sources:[ATTACH=full]459[/ATTACH]We have compiled the program!So, I'll try to use another program in C.First, let's do a compilation stage in GCC - <a href="https://gcc.gnu.org/releases.html" target="_blank">https://gcc.gnu.org/releases.html</a>, pre-install the sudo apt-get install gcc-multilib librarygcc -g -Wall -Werror -O0 -m32 -fno-stack-protector -z execstack -no-pie -Wl,-z,norelro -mpreferred-stack-boundary=2 -o victim victim.c</blockquote>