Deobfuscating and Analyzing Obfuscated JavaScript in Web Pages: A Case Study

CODE LINK:- https://www.dropbox.com/scl/fi/vy80obp7ucw1kh34tn87q/30-April-2025-Facebook-Scam-Alert-CA-Rachana-Ranade.txt?rlkey=twju9uux2vt02ozvbowu28j79&st=7yv60gjn&dl=0 🔍 Deobfuscating and Analyzing Obfuscated JavaScript in Web Pages: A Case Study Introduction Modern web pages—especially those of large platforms like Facebook—frequently employ dynamic JavaScript loading and obfuscation techniques. While many of these mechanisms are legitimate and performance-driven, they also present an opportunity for obfuscation and potential misuse in spoofed or cloned environments. This article analyzes a base64-encoded JavaScript snippet discovered in a suspicious HTML dump. We decode and interpret its functionality to highlight what it does, how it works, and its implications in both secure and compromised contexts. Discovery During static analysis of a web page, the following base64-encoded JavaScript was identified: cmVxdWlyZUxhenkoWyJTZXJ2ZXJKU1BheWxvYWRMaXN0ZW5l...