Presented at
DEF CON 16 (2008),
Aug. 8, 2008, 11:30 a.m.
(20 minutes)
A different approach to JavaScript obfuscation will be presented. There are certain telltale indicators within an obfuscated JavaScript file which can be used for detection and protection. These signs occur in almost all obfuscated JavaScript and are easily detected via software and visual inspection. This different approach addresses these telltale indicators and provides a method of JavaScript obfuscation which hides these indicators from both automated and visual inspection.
Presenters:
-
Kolisar
- Security Researcher
Kolisar began writing software at the age of 10. His first computer was a Commodore Vic-20 with a whopping 3K or RAM. After high school and attending a technical school he spent nearly 20 years as a software engineer writing CAM tools on UNIX and Windows, machine control and CRM software in C/C++, Java, JavaScript, VBScript, etc., and occasionally hand optimizing assembly graphics code for performance. He is currently working in the security department of a medium-sized company where he does security research, vulnerability and risk assessment, incident response and reverse engineering malware.
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