JavaScript Obfuscation

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What is it good for? Good Evil • Protect Intellectual Property (algorithms, data) • Prevent code theft and reuse • Enforce license agreements • Test the strength of security controls (IDS/IPS/WAFs/web filters) • Test the strength of security controls (IDS/IPS/WAFs/web filters) • Hide malicious code • Make it look like harmless code
9 Measuring <strong>Obfuscation</strong> • Potency • Resilience • Stealthiness • Execution Cost • Maintainability
Page 1 and 2: JavaScript Obfuscation Facts and Fi
Page 3 and 4: Part 1 Source code Obfuscation Part
Page 5 and 6: Example Source 5
Page 7: Obfuscated #2 7
Page 11 and 12: Obfuscation Resilience Measuring Ob
Page 14 and 15: 14 Dynamic Code Analysis for defeat
Page 16 and 17: 16 Obfuscation Execution Cost Measu
Page 18 and 19: Part 2 practical examples Part 1 -
Page 20 and 21: Compression/Minification vs Obfusca
Page 22 and 23: Reverse-engineered result 22
Page 24: How is that possible ? 24 • Using
Page 27 and 28: Let me see that again! 27
Page 29 and 30: 29 Function outlining • Creates n
Page 31 and 32: Function outlining 31 • New funct
Page 33 and 34: Deadcode insertion 33
Page 35 and 36: 35 JavaScript Obfuscation • It ca

JavaScript Obfuscation

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