Pico2017 Tutorial

A short

Add an SSH key to your picoCTF 2017 account.

Shows how to decrypt an AES base64 coded message with Python.

USB keyboard data, internet wayback machine.

Uses a shellcode database and cat to send shellcode to a program in Linux.

simple SQL injection attack.

convert hex to ASCII using xxd on linux command line.

Simple format string vulnerability using %x.

least significant byte steganography.

Demonstrates MD5, base 16, binary and ASCII.

Intel 32 bit stack computation.

reading node.js source code.

Uses online assembler to create shell code for calling a function.

demonstrates BurpSuite proxy and modifying HTTP post traffic.

linux relative vs absolute paths.

shows how to do powermod in Python for RSA.

RSA using Chinese Remainder Theorem.

Convert raw input to hexadecimal on linux command line with xxd.

simple buffer overflow.

Bit shifting and twos completement.