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.

simple SQL injection attack.

convert hex to ASCII using xxd on linux command line.

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

Simple format string vulnerability using %x.

demonstrates Wireshark and user agent strings.

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

Intel 32 bit stack computation.

least significant byte steganography.

RSA using Chinese Remainder Theorem.

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

Challenge using nc in picoCTF 2017.

linux relative vs absolute paths.

shows how to do powermod in Python for RSA.

Demonstrates MD5, base 16, binary and ASCII.

reading node.js source code.