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Course Outline
Day 1
IT security and secure coding
- The nature of security
- Key IT security terminology
- Risk definition
- Various aspects of IT security
- Requirements across different application domains
- IT security versus secure coding
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From vulnerabilities to botnets and cybercrime
- The nature of security flaws
- Why detecting flaws is challenging
- The progression from infected machines 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...
- The evolution of cybercrime
- Attacks increasingly focus on applications
- The majority of vulnerabilities reside in smaller ISV applications
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Origins of the Microsoft SDL...
- Security timeline at Microsoft...
- Which applications are mandated 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 necessitates process improvement
Secure design principles
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Attack surface
- Reducing the attack surface
- Attack surface – illustrative example
- Analyzing the attack surface
- Examples of attack surface reduction
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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 – illustrative examples
Secure implementation principles
- Agenda
- Microsoft Security Development Lifecycle (SDL)
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Fundamentals of buffer overflows
- Intel 80x86 Processors – main registers
- Memory address layout
- Function calling mechanisms in C/C++ on x86
- Local variables and stack frames
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Stack overflow
- Buffer overflow on the stack
- Introduction to exercises
- Exercise BOFIntro
- Exercise BOFIntro – determining the stack layout
- Exercise BOFIntro – crafting a simple exploit
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Input validation
- Concepts of input validation
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Integer-related issues
- Representation of negative integers
- Integer overflow
- Arithmetic overflow – predicting the output
- Exercise IntOverflow
- What is the result of Math.Abs(int.MinValue)?
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Mitigating integer problems
- Strategies for integer problem mitigation
- Avoiding arithmetic overflow – addition
- Avoiding arithmetic overflow – multiplication
- Detecting overflow using the 'checked' keyword in C#
- Exercise – Utilizing 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
- Mitigating path traversal
Day 2
Secure implementation principles
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Injection attacks
- Common SQL Injection attack methods
- Blind and time-based SQL injection
- Methods for protecting against SQL Injection
- Command injection
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Broken authentication – password management
- Exercise – Weakness of hashed passwords
- Password management and storage strategies
- Special-purpose hash algorithms for password storage
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Cross-Site Scripting (XSS)
- Cross-Site Scripting (XSS) overview
- CSS injection
- Exploitation: injection via other HTML tags
- Preventing XSS
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Missing function level access control
- Filtering file uploads
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Practical cryptography
- Ensuring confidentiality with symmetric cryptography
- Symmetric encryption algorithms
- Block ciphers – modes of operation
- Hashes or message digests
- Hash algorithms
- Message Authentication Code (MAC)
- Ensuring integrity and authenticity with a symmetric key
- Ensuring confidentiality with public-key encryption
- Rule of thumb – possession of the private key
- Common mistakes in password management
- Exercise – Hard-coded passwords
- Conclusion
Secure verification principles
- Functional testing versus security testing
- Identifying security vulnerabilities
- Prioritization of risks
- Security testing within 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 concepts
- Attacker profiles
- Threat modeling using 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 stages 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 overview
- Exercise – Using static code analysis tools
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Testing the implementation
- Manual run-time verification
- Manual versus 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 labs practice
