IntroductionOn October 10th, 2023, I stumbled upon an arbitrary code execution vulnerability in Babel, which was subsequently assigned the identifier CVE-2023-45133. In this post, I’ll walk you throug

PrefaceThis article assumes a preliminary understanding of Abstract Syntax Tree structure and BabelJS. Click Here to read my introductory article on the usage of Babel. It also assumes that you’ve rea

PrefaceThis article assumes a preliminary understanding of Abstract Syntax Tree structure and BabelJS. Click Here to read my introductory article on the usage of Babel. DefinitionsBoth dead code and u

PrefaceThis article assumes a preliminary understanding of Abstract Syntax Tree structure and BabelJS. Click Here to read my introductory article on the usage of Babel. Definition of a Constant Variab

PrefaceThis article assumes a preliminary understanding of Abstract Syntax Tree structure and BabelJS. Click Here to read my introductory article on the usage of Babel. What is Constant Folding?Consta

PrefaceThis article assumes a preliminary understanding of Abstract Syntax Tree structure and BabelJS. Click Here to read my introductory article on the usage of Babel. I’ll be honest, this transforma

PrefaceThis article assumes a preliminary understanding of Abstract Syntax Tree structure and BabelJS. Click Here to read my introductory article on the usage of Babel. What is String Concealing?In Ja

IntroductionWelcome to the first article in my series about Javascript deobfuscation. I won’t be going in-depth regarding practical deobfuscation techniques; that’ll be reserved for later articles. Ra