Course Overview
TOPAttacking and Securing .Net Web Applications is a lab-intensive, hands-on .Net security training course that provides unique coverage of .Net application security. In this course, students begin with penetration testing, hunting for bugs in .Net web applications. They then thoroughly examine best practices for defensively coding web applications, covering all the OWASP Top Ten as well as several additional prominent vulnerabilities (such as file uploads, CSRF and direct object references). Students will repeatedly attack and then defend various assets associated with fully functional web applications and services. This hands-on approach drives home the mechanics of how to secure .Net web applications in the most practical of terms. The course ends with an extensive discussion of what a mature application security presence would provide to the developers within an organization.
Please note this class uses the latest version of .Net Core / Version 6.
Scheduled Classes
TOPWhat You'll Learn
TOPWorking in a dynamic, lab-intensive hands-on coding environment students will learn to:
- Ensure that any hacking and bug hunting is performed in a safe and appropriate manner
- Identify defect/bug reporting mechanisms within their organizations
- Work with specific tools for targeted vulnerabilities
- Avoid common mistakes that are made in bug hunting and vulnerability testing
- Understand the concepts and terminology behind defensive, secure coding including the phases and goals of a typical exploit
- Develop an appreciation for the need and value of a multilayered defense in depth
- Understand potential sources for untrusted data
- Understand the consequences for not properly handling untrusted data such as denial of service, cross-site scripting, and injections
- To test web applications with various attack techniques to determine the existence of and effectiveness of layered defenses
- Prevent and defend the many potential vulnerabilities associated with untrusted data
- Understand the vulnerabilities of associated with authentication and authorization
- Detect, attack, and implement defenses for authentication and authorization functionality and services
- Understand the dangers and mechanisms behind Cross-Site Scripting (XSS) and Injection attacks
- Detect, attack, and implement defenses against XSS and Injection attacks
- Understand the risks associated with XML processing, file uploads, and server-side interpreters and how to best eliminate or mitigate those risks
- Understand techniques and measures that can used to harden web and application servers as well as other components in your infrastructure
Outline
TOPSession: Bug Hunting Foundation
Lesson: Why Hunt Bugs?
- Security and Insecurity
- Dangerous Assumptions
- Attack Vectors
- Lab: Case Study in Failure
Lesson: Safe and Appropriate Bug Hunting/Hacking
- Working Ethically
- Respecting Privacy
- Bug/Defect Notification
- Bug Bounty Programs
Session: Scanning Web Applications
Lesson: Scanning Applications Overview
- Scanning Beyond the Applications
- Fingerprinting
- Vulnerability Scanning: Hunting for Bugs
- Reconnaissance Goals
- Data Collection Techniques
- Fingerprinting the Environment
- Enumerating the Web Application
Session: Moving Forward From Hunting Bugs
Lesson: Removing Bugs
- Open Web Application Security Project (OWASP)
- OWASP Top Ten Overview
- Web Application Security Consortium
- CERT Secure Coding Standards
- Bug Hunting Mistakes to Avoid
- Tools and Resources
Session: Foundation for Securing Web Applications
Lesson: Principles of Information Security
- Security Is a Lifecycle Issue
- Minimize Attack Surface Area
- Layers of Defense: Tenacious D
- Compartmentalize
- Consider All Application States
- Do NOT Trust the Untrusted
- Lab: Working with Visual Studio
- Lab: Case Study: Setup And Analysis
Session: Bug Stomping 101
Lesson: Unvalidated Data
- Buffer Overflows
- Integer Arithmetic Vulnerabilities
- Unvalidated Data: Crossing Trust Boundaries
- Defending Trust Boundaries
- Whitelisting vs Blacklisting
- Lab: Defending Trust Boundaries
- Lab: Applying Regular Expressions
Lesson: A1: Injection
- Injection Flaws
- SQL Injection Attacks Evolve
- Drill Down on Stored Procedures
- Other Forms of Injection
- Minimizing Injection Flaws
- Lab: Defending Against SQL Injection
Lesson: A2: Broken Authentication
- Quality and Protection of Authentication Data
- Handling Passwords on Server Side
- SessionID Risk Reduction
- HttpOnly and Security Headers
- Lab: Defending Authentication
Lesson: A3: Sensitive Data Exposure
- Protecting Data Can Mitigate Impact
- In-Memory Data Handling
- Secure Pipes
- Failures in TLS/SSL Framework
Lesson: A4: XML External Entities (XXE)
- XML Parser Coercion
- XML Attacks: Structure
- XML Attacks: Injection
- Safe XML Processing
- Lab: Safe XML Processing
Lesson: A5: Broken Access Control
- Access Control Issues
- Excessive Privileges
- Insufficient Flow Control
- Unprotected URL/Resource Access
- Examples of Shabby Access Control
- Sessions and Session Management
- Lab: Spotlight: Verizon
- Lab: Unsafe Direct Object References
Session: Bug Stomping 102
Lesson: A6: Security Misconfiguration
- System Hardening: IA Mitigation
- Application Whitelisting
- Least Privileges
- Anti-Exploitation
- Secure Baseline
Lesson: A7: Cross Site Scripting (XSS)
- XSS Patterns
- Persistent XSS
- Reflective XSS
- DOM-Based XSS
- Best Practices for Untrusted Data
- Lab: Defending Against XSS
Lesson: A8/9: Deserialization/Vulnerable Components
- Deserialization Issues
- Identifying Serialization and Deserializations
- Vulnerable Components
- Software Inventory
- Managing Updates
- Lab: Spotlight: Equifax
Lesson: A10: Insufficient Logging and Monitoring
- Fingerprinting a Web Site
- Error-Handling Issues
- Logging In Support of Forensics
- Solving DLP Challenges
- Lab: Error Handling
Lesson: Spoofing, CSRF, and Redirects
- Name Resolution Vulnerabilities
- Fake Certs and Mobile Apps
- Targeted Spoofing Attacks
- Cross Site Request Forgeries (CSRF)
- CSRF Defenses
- Lab: Cross-Site Request Forgeries
Session: Moving Forward with Application Security
Lesson: Applications: What Next?
- Common Vulnerabilities and Exposures
- CWE/SANS Top 25 Most Dangerous SW Errors
- Strength Training: Project Teams/Developers
- Strength Training: IT Organizations
- Leveraging Common AppSec Practices and Control
- Lab: Spotlight: Capital One
Lesson: Making Application Security Real
- Cost of Continually Reinventing
- Paralysis by Analysis
- Actional Application Security
- Additional Tools for the Toolbox
Lesson: .NET Issues and Best Practices
- Managed Code and Buffer Overflows
- .Net Permissions
- ActiveX Controls
- Proper Exception Handling
- Lab: Securing the Business Layer
Session: Exploring .Net Cryptography
Lesson: .Net Cryptographic Services
- The role of cryptographic services
- Hash algorithms and hash codes
- Encrypting data symmetrically
- Encrypting data asymmetrically
- Lab: Cryptography Wrapper for .Net
Prerequisites
TOPFamiliarity with C# is required and real world programming experience is highly recommended. Ideally students should have approximately 6 months to a year of .Net development practical experience.
Who Should Attend
TOPThis is an intermediate -level .Net secure programming course, designed for experienced .Net developers who wish to get up and running on developing well defended software applications.
Next Step Courses
TOPBelow are a few of the popular Related Courses we offer in this space. Please see the complete Course Catalog for additional options and titles:
- Securing Web Applications | 2021 OWASP Top Ten and Beyond (Language Neutral)
Explore Common Web Application Vulnerabilities, How to Implement and Test Attack Defenses & More
- Web Application Security Refresher
Web Application Security
- Securing ASP.Net Web Services | Web Services Security in .Net
Essential Skills for Enterprise Developers who Need to Produce Secure .Net Based Web Services
- Secure Software Design
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- Securing Databases | Database Security
Learn to Attack and Defend Assets Critical Database Assets, and How to Build Secure Databases from the Ground Up