Course Overview
Advanced Web Attacks and Exploitation (WEB-300) is an advanced web application security review course. We teach the skills needed to conduct white box web app penetration tests.
With the 2021 update, WEB-300 now features three new modules, updated existing content, new machines, plus refreshed videos.
Students who complete the course and pass the exam earn the OffSec Web Expert (OSWE) certification, demonstrating mastery in exploiting front-facing web apps. The OSWE is one of three certifications making up the new OSCE3 certification, along with the OSEP for advanced pentesting and the OSED for exploit development.
All students are required to have:
- Comfort reading and writing at least one coding language (Java, .NET, JavaScript, Python, etc)
- Familiarity with Linux: file permissions, navigation, and editing and running scripts
- Ability to write simple Python / Perl / PHP / Bash scripts
- Experience with web proxies such as Burp Suite and similar tools
- General understanding of web app attack vectors, theory, and practice
- Experienced penetration testers who want to better understand white box web app pentesting
- Web application security specialists
- Web professionals working with the codebase and security infrastructure of a web application
Prerequisites
- Comfort reading and writing at least one coding language
- Familiarity with Linux
- Ability to write simple Python / Perl / PHP / Bash scripts
- Experience with web proxies
- General understanding of web app attack vectors, theory, and practice
Duration
5 days
Certifications
OSWE
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Course Outline
The course covers the following topics.
- Cross-Origin Resource Sharing (CORS) with CSRF and RCE
- JavaScript Prototype Pollution
- Advanced Server-Side Request Forgery (SSRF)
- Web security tools and methodologies
- Source code analysis
- Persistent cross-site scripting
- Session hijacking
- .NET deserialization
- Remote code execution
- Blind SQL injection
- Data exfiltration
- Bypassing file upload restrictions and file extension filters
- PHP type juggling with loose comparisons
- PostgreSQL Extension and User Defined Functions
- Bypassing REGEX restrictions
- Magic hashes
- Bypassing character restrictions
- UDF reverse shells
- PostgreSQL large objects
- DOM-based cross site scripting (black box)
- Server-side template injection
- Weak random token generation
- XML external entity injection
- RCE via database functions
- OS command injection via WebSockets (black box)