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HOW ARE SCRIPTS OBFUSCATED?
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Defeating the Latest Advances in Script Obfuscation
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- 1 Intro
- 2 OUTLINE
- 3 INTRO
- 4 WHAT IS OBFUSCATION?
- 5 WHY OBFUSCATE SCRIPTS?
- 6 HOW ARE SCRIPTS OBFUSCATED?
- 7 OBFUSCATED SCRIPTS IN ATTACK SCENARIOS
- 8 WHY DEOBFUSCATE?
- 9 DEOBFUSCATION GOALS
- 10 WHAT DO I NEED?
- 11 GENERAL TIPS
- 12 UNUSED / GARBAGE CODE
- 13 COMPLICATED VARIABLE AND FUNCTION NAMES
- 14 INDIRECT CALLS AND OBSCURED CONTROL FLOW
- 15 ARITHMETIC SEQUENCES
- 16 OBFUSCATED STRING VALUES
- 17 IF SCRIPT IS STILL HEAVILY OBFUSCATED
- 18 REMOVE JUNK
- 19 STANDARDIZE FORMATTING
- 20 REARRANGE FUNCTION ORDER
- 21 MERGE FUNCTIONS TOGETHER
- 22 BEGIN SIMPLIFYING...
- 23 PICTURE BEGINS TO CLEAR UP
- 24 YUP, THEY'RE FILE PATHS
- 25 FUNCTION RELABELING
- 26 DEOBFUSCATION TOOLS
- 27 CONCLUSION
