jselliott/ctf_playbook

A public collection of common CTF challenge techniques, divided by category and tags.

CTF Playbook

A public collection of common CTF challenge techniques, divided by category and tags. Rather than risk getting in trouble for sharing artifacts from the challenges themselves. I have created my own example files and scripts to demonstrate the solving technique itself.

Binary Exploit

Cryptography

RSA

• Small Public Exponent (e=3)
• Shared Factors
• Weak Modulus

Network Analysis

• ICMP Tunneling
• Message in TCP Flags
• Message in TCP Sequence Number
• HTTP Transfer
• FTP Transfer
• SMTP Transfer
• SMB Transfer
• BitTorrent Transfer

OSINT

Steganography

Web App