Methodology

Problem-solving frameworks, workflows, and systematic approaches used in CTF and security analysis. These methodologies provide structured ways to approach complex security challenges.

Challenge Analysis Framework

• Initial Reconnaissance
  • Understanding the challenge description and constraints
  • Identifying the problem domain and category
  • Assessing available resources and time
• Attack Surface Identification
  • Enumerating input vectors
  • Mapping data flow through the system
  • Identifying privilege boundaries
• Hypothesis Formation
  • Generating potential attack vectors
  • Prioritizing based on likelihood and impact
  • Designing test cases
• Iterative Testing
  • Systematic exploration of attack surface
  • Refining hypotheses based on results
  • Documenting findings and dead ends

Exploitation Development Process

• Primitive Discovery
  • Identifying initial vulnerability
  • Understanding the primitive's capabilities
  • Assessing limitations and constraints
• Primitive Enhancement
  • Chaining multiple primitives
  • Bypassing mitigations
  • Escalating capabilities
• Exploit Construction
  • Building reliable exploit chains
  • Handling edge cases and variations
  • Testing across different environments

Reverse Engineering Workflow

• Static Analysis Phase
  • Initial binary inspection
  • String and symbol analysis
  • Control flow reconstruction
• Dynamic Analysis Phase
  • Runtime behavior observation
  • Input/output correlation
  • State manipulation testing
• Synthesis
  • Combining static and dynamic findings
  • Building mental model of the system
  • Identifying exploitation opportunities

Cryptanalysis Approach

• Problem Classification
  • Identifying cryptographic primitives
  • Recognizing common attack patterns
  • Assessing implementation weaknesses
• Mathematical Analysis
  • Understanding the underlying mathematics
  • Identifying exploitable properties
  • Applying relevant theorems and techniques
• Implementation Exploitation
  • Side-channel analysis
  • Timing attacks
  • Error-based cryptanalysis

Web Application Testing

• Reconnaissance
  • Technology stack identification
  • Endpoint discovery
  • Parameter enumeration
• Vulnerability Testing
  • Systematic injection testing
  • Authentication and authorization checks
  • Business logic analysis
• Exploitation
  • Chaining multiple vulnerabilities
  • Bypassing security controls
  • Achieving desired impact

Time Management

• Prioritizing high-value targets
• Knowing when to pivot
• Documenting progress for team handoff
• Balancing depth vs breadth