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Course Outline
Day 1
IT security and secure coding
- The nature of security.
- Key IT security terminology.
- Definition of risk.
- Different aspects of IT security.
- Requirements for various application areas.
- IT security versus secure coding.
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From vulnerabilities to botnets and cybercrime.
- The nature of security flaws.
- Reasons for difficulty in addressing them.
- The path 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 from 2003 to 2013.
Introduction to the Microsoft® Security Development Lifecycle (SDL)
- Agenda.
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Applications under attack.
- Evolution of cybercrime.
- Attacks are increasingly focusing on applications.
- Most vulnerabilities are found in smaller ISV applications.
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Origins of the Microsoft SDL.
- Security timeline at Microsoft.
- Which applications are required to follow SDL?
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Microsoft Security Development Lifecycle (SDL).
- 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 LOB Apps.
- SDL Guidance for Agile Methodologies.
- Secure Software Development Requires Process Improvement.
Secure design principles
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Attack surface.
- Attack surface reduction.
- Attack surface – an example.
- Attack surface analysis.
- Attack surface reduction – examples.
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Privacy.
- Privacy.
- Understanding Application Behaviors and Concerns.
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Defense in depth.
- SDL Core Principle: Defense In Depth.
- Defense in depth – example.
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Least privilege principle.
- Least privilege – example.
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Secure defaults.
- Secure defaults – examples.
Secure implementation principles
- Agenda.
- Microsoft Security Development Lifecycle (SDL).
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Buffer overflow basics.
- Intel 80x86 Processors – main registers.
- The memory address layout.
- The function calling mechanism in C/C++ on x86.
- The local variables and the stack frame.
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Stack overflow.
- Buffer overflow on the stack.
- Exercises – introduction.
- Exercise BOFIntro.
- Exercise BOFIntro – determine the stack layout.
- Exercise BOFIntro – a simple exploit.
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Input validation.
- Input validation concepts.
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Integer problems.
- Representation of negative integers.
- Integer overflow.
- Arithmetic overflow – guess the output!
- Exercise IntOverflow.
- What is the value of Math.Abs(int.MinValue)?
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Integer problem mitigation.
- Integer problem mitigation.
- Avoiding arithmetic overflow – addition.
- Avoiding arithmetic overflow – multiplication.
- Detecting overflow with 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).
- 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.
- 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
Very good to understand how a hacker would potentially analyse sites for weakness and tools they might employ .
