Pico2019 Overflow2

function parameters on stack, buffer overflow, GDB.

64-bit ROP, buffer overflow.

buffer overflow modifying return address.

64-bit buffer overflow, movaps instruction, GDB.

NOP sled with shellcode.

Ghidra, reverse engineering, Huffman encoding.

stack canary, buffer overflow, brute force.

simple buffer overflow.

PicoCTF buffer

picoCTF 2019 beginning, ASCII and hexadecimal.

PHP file inclusion.

(not) clearing malloc'd memory.

return oriented programming, ROP, ROPgadget.

Flask injection plus flask cookie decoding.

pseudo random number generators.

In this video we attempt the Overflow_2 and newOverflow_1 challenges from the picoCTF_2019 challenge. Enjoy! Video timeline: ...

In this picoGym (picoCTF) Workout video, we do a writeup of the buffer

Thank you to the picoCTF team who made a CTF easy enough that I could do it. This is the first CTF I ever did and I share the ...

Chew tells us to convert our extensions, and how to solve this problem! Challenge Link (picoGym): ...

A short walkthrough of the tutorial levels in the 2017 picoCTF game (https://picoctf.com)