Yasho Application Security Course (YAS)

List of recommended books for the course

Chapter 1 - What is this course

• Who am I?
• What is going to be covered?
• How is this course going to be published?

Chapter 2 - Internet

• Introduction
• Network nodes
  • server
  • client
  • host
• What is the Internet?
• OSI model
  • Introduction and example
  • TCP/UDP
• Connection
  • IP and Port
  • Public and Private IP
  • 3-way TCP handshake
  • Netcat, make a connection
• Web server
  • Concept
  • Connecting to a webserver
• Domain name system (DNS)
  • Concept
  • How DNS works?
  • DNS server
  • DNS client
  • Name server
  • DNS lookup by DIG
  • Host file
• Capturing the traffic
  • Wireshark
  • TCPDump
• Final words

Chapter 3 - HTTP protocol

• Versions and RFCs
• Webserver again
• URLs
  • Syntax and parts
  • Check a URL list
• HTTP
  • Message
  • Request line
  • HTTP method
  • Status line
  • Headers
  • Body
• Sending some HTTP requets
• the list of all headers
  • Important headers
    • Authentication
    • Caching
    • Conditional
    • Cookie
    • CORS
    • Message Body
    • Proxies
    • Redirects
    • Request Context
    • Security
• HTTPS
  • Reveiw, Problem
  • Symmetric Encryption
  • Asymmetric Encryption
  • Signature and authentication
  • SSL Protocol
  • Certificates and authorities
  • Trust chain
  • How does SSL work?
  • The handshake
  • Implementation
  • Security issues

Chapter 4 - Web application architecture

• Web server
  • Installing Apache
  • Configuring Apache
    • ServerRoot
    • Listen
    • User and Group
    • ServerName
    • DocumentRoot
    • ErrorLog
    • Directory
    • Files
    • IfModule
    • Include
    • IncludeOptional
  • Process owner
  • Packet flow
  • Some comcepts
    • Virtual host
      • Configuration
      • Access
    • Mapping
    • htaccess
    • Wrerite module
  • Security
    • IP based authentication
    • Checking referrer header
    • Denying sensitive directories
    • Authentication
      • types
      • Configuring basic authentication
      • Attack on basic authentication
        • Brute force
        • Sniffing
• Web application
  • Static vs dynamic resources
  • How webservers can make dynamic contents?
  • What is directory traversal?
  • Let's trace users inputs
• Authentication
  • How it works in web applications?
  • Handling authentication by cookie
  • Handling authentication by session
  • Handling authentication with a Database

Chapter 5 - Security

• Vulnerability
  • The root cause
  • Technical vulnerabilities
  • Logical vulnerabilities
  • Severity
  • Categories
  • CVSS score
  • Exploit
  • Payload
  • Attack vector
  • CVE
  • 0day, 1day
  • OWASP
  • The security triangle
    • Availability
    • Integrity
    • Confidentiality
• Security Concepts
  • Privilege escalation
  • Sniffing
  • Man in the middle
  • Security assessment tools and scripts
  • Security scanners
  • Kali linux
  • Defense in depth
  • Devices
    • Firewall
    • IDS, IPS
    • WAF
• Definitions
  • SSLDC
  • Hardenning
  • Vulnerability assessment
  • Penetration test
  • Red team penetration test
  • Bug bounty
  • SIEM and SOC

Chapter 6 - OWASP TOP 10

• Introduction to SQL injection
• Introduction to Command injection
• Introduction to Remote Code Injection
• Introduction to Broken Authentication
• Introduction to Sensitive Data Exposure
• Introduction to XML External Entities
• Introduction to Broken Access Control
  • Concept
  • Insecure Direct Object Reference
• Introduction to Security Misconfiguration
• Introduction to Cross-Site Script
  • Concept
  • Discovery
  • Impact
• Introduction to Insecure Deserialization
• Using component with known vulnerabilities
• Insufficient Logging and Monitoring

Chapter 7 - More vulnerabilities

• Introduction to Open Redirect
• Introduction to Server Side Request Forgery
• Introduction to Race Condition
• Introduction to HTTP Smuggling
• Introduction to HTTP Cache Poisoning
• Introduction to HTTP Cache Deception

Chapter 8 - The end

• Vulnerability discovery
• The assessment methodology
• The hunting methodology