Attack on Stack
How To: Attack on Stack [Part 6]; Smash the Stack Visualization: NOP Sled Technique, the End of a Trilogy.
Hi everyone! In the previous part of this series we introduced remote code arbitrary execution via buffer overflows using all of our past experiences.
How To: Attack on Stack [Part 5]; Smash the Stack Visualization: Remote Code Execution and Shellcode Concept.
Hi everyone! In the previous part of this series, I introduced one way to hijack a program's execution flaw, though I only showed you how to crash the program and left you with a little mystery to solve. Today we are giving the solution of that and then introducing shellcode usage and remote command execution.
How To: Attack on Stack [Part 4]; Smash the Stack Visualization: Prologue to Exploitation Chronicles, GDB on the Battlefield.
Hi everyone! Last time we finished analyzing the assembly representation of our vulnerable piece of code (have I ever told you it is vulnerable?). This time we are going to introduce some fundaments about exploitation by demonstrating how to crash a program's execution. If that sounds lame, next time we will see how this crash can in fact be useful to control the program's execution, achieving remote code execution!
How To: Attack on Stack [Part 3]; Smash the Stack Visualization: Building on Fundaments, Analyzation Trilogy Conclusion.
Hi everyone! Last time we explained what roles Ebp and Esp registers have. We first introduced function's stack frame building, return address and calling conventions, but left some of the concepts floating without a full stop.
How To: Attack on Stack [Part 2]; Smash the Stack Visualization: Ebp, Esp, RET and Stack Frames.
Hi everyone! After messing around a little bit with IDA and Hopper disassemblers and briefly introducing you to memory, registers and Assembly, we are going to understand what happens when a process is running, which variables join the play and especially what happens when a function is called and why is this procedure-logic so interesting and useful along with the concept of stack.
How To: Attack on Stack [Part 1]; Smash the Stack Visualization: Introduction to Memory, Registers and Assembly.
Hi everyone. Recently I've been studying some topics about Assembly, memory and exploitation, and thought I could write something nice, easy and fast about it, just because I like to share what I learn, and probably sharing what you learn and trying to explain it to a stranger is the best way to learn it better. It worked for me, and I hope it will be useful for you too.
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