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Course Outline
Day 1
IT security and secure coding
- The nature of security
- Key IT security terminology
- Defining risk
- Various aspects of IT security
- Requirements across different application domains
- Distinguishing between IT security and secure coding
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From vulnerabilities to botnets and cybercrime
- The nature of security flaws
- Reasons for the difficulty in addressing them
- Progression from infected computers to targeted attacks
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Classification of security flaws
- Landwehr’s taxonomy
- The Seven Pernicious Kingdoms
- OWASP Top Ten 2013
- Comparison of OWASP Top Ten (2003 vs. 2013)
Introduction to the Microsoft® Security Development Lifecycle (SDL)
- Agenda
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Applications under attack...
- Evolution of cybercrime
- How attacks are increasingly focusing on applications
- Vulnerabilities are most prevalent in smaller Independent Software Vendor (ISV) applications
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Origins of the Microsoft SDL...
- Microsoft’s Security Timeline...
- Which applications are mandated to follow the SDL?
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Microsoft Security Development Lifecycle (SDL)
- Overview of the Microsoft Security Development Lifecycle (SDL)
- Pre-SDL Requirements: Security Training
- Phase One: Requirements
- Phase Two: Design
- Phase Three: Implementation
- Phase Four: Verification
- Phase Five: Release – Response Plan
- Phase Five: Release – Final Security Review
- Phase Five: Release – Archive
- Post-SDL Requirement: Response
- SDL Process Guidance for Line-of-Business (LOB) Applications
- SDL Guidance for Agile Methodologies
- Why Secure Software Development Requires Process Improvement
Secure design principles
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Attack surface
- Reducing the attack surface
- Attack surface – illustrative example
- Attack surface analysis
- Attack surface reduction – practical examples
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Privacy
- Privacy considerations
- Understanding application behaviors and concerns
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Defense in depth
- Core SDL Principle: Defense in Depth
- Defense in depth – illustrative example
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Least privilege principle
- Least privilege – illustrative example
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Secure defaults
- Secure defaults – practical examples
Secure implementation principles
- Agenda
- Microsoft Security Development Lifecycle (SDL)
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Buffer overflow basics
- Intel 80x86 Processors – main registers
- Memory address layout
- Function calling mechanism in C/C++ on x86
- Local variables and the stack frame
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Stack overflow
- Buffer overflow on the stack
- Exercise introduction
- Exercise: BOFIntro
- Exercise: BOFIntro – determining the stack layout
- Exercise: BOFIntro – a simple exploit
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Input validation
- Concepts of input validation
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Integer problems
- Representation of negative integers
- Integer overflow
- Arithmetic overflow – predicting the output
- Exercise: IntOverflow
- What is the value of Math.Abs(int.MinValue)?
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Mitigating integer problems
- Mitigation strategies for integer problems
- Avoiding arithmetic overflow – addition
- Avoiding arithmetic overflow – multiplication
- Detecting overflow using the checked keyword in C#
- Exercise: Using the checked keyword in C#
- Exceptions triggered by overflows in C#
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Case study – Integer overflow in .NET
- A real-world integer overflow vulnerability
- Exploiting the integer overflow vulnerability
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Path traversal vulnerability
- Path traversal mitigation
Day 2
Secure implementation principles
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Injection
- Typical SQL Injection attack methods
- Blind and time-based SQL injection
- SQL Injection protection methods
- Command injection
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Broken authentication - password management
- Exercise – Weakness of hashed passwords
- Password management and storage
- Special purpose hash algorithms for password storage
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Cross-Site Scripting (XSS)
- Cross-Site Scripting (XSS) overview
- CSS injection
- Exploitation: injection through other HTML tags
- XSS prevention
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Missing function level access control
- Filtering file uploads
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Practical cryptography
- Providing confidentiality with symmetric cryptography
- Symmetric encryption algorithms
- Block ciphers – modes of operation
- Hash or message digest
- Hash algorithms
- Message Authentication Code (MAC)
- Providing integrity and authenticity with a symmetric key
- Providing confidentiality with public-key encryption
- Rule of thumb – possession of private key
- Typical mistakes in password management
- Exercise – Hard coded passwords
- Conclusion
Secure verification principles
- Functional testing vs. security testing
- Security vulnerabilities
- Prioritization
- Security testing in the SDLC
- Steps of test planning (risk analysis)
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Scoping and information gathering
- Stakeholders
- Assets
- The attack surface
- Security objectives for testing
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Threat modeling
- Threat modeling overview
- Attacker profiles
- Threat modeling based on attack trees
- Threat modeling based on misuse/abuse cases
- Misuse/abuse cases – a simple Web shop example
- STRIDE per element approach to threat modeling – MS SDL
- Identifying security objectives
- Diagramming – examples of DFD elements
- Data flow diagram – example
- Threat enumeration – MS SDL’s STRIDE and DFD elements
- Risk analysis – classification of threats
- The DREAD threat/risk ranking model
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Security testing techniques and tools
- General testing approaches
- Techniques for various steps of the SDLC
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Code review
- Code review for software security
- Taint analysis
- Heuristics
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Static code analysis
- Static code analysis
- Exercise – Using static code analysis tools
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Testing the implementation
- Manual run-time verification
- Manual vs. automated security testing
- Penetration testing
- Stress tests
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Fuzzing
- Automated security testing - fuzzing
- Challenges of fuzzing
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Web vulnerability scanners
- Exercise – Using a vulnerability scanner
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Checking and hardening the environment
- Common Vulnerability Scoring System – CVSS
- Vulnerability scanners
- Public databases
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Case study – Forms Authentication Bypass
- NULL byte termination vulnerability
- The Forms Authentication Bypass vulnerability in the code
- Exploiting the Forms Authentication Bypass
Knowledge sources
- Secure coding sources – a starter kit
- Vulnerability databases
- .NET secure coding guidelines at MSDN
- .NET secure coding cheat sheets
- Recommended books – .NET and ASP.NET
14 Hours
Testimonials (3)
Experience sharing, it's teacher's know-how and valuable.
Carey Fan - Logitech
Course - C/C++ Secure Coding
the knowledge of the trainer was very high - he knew what he was talking about, and knew the answers to our questions
Adam - Fireup.PRO
Course - Advanced Java Security
The topic is current and I needed to be updated
