In the third part of the series, the importance of extracting and analyzing .asar files for Electron-based applications is discussed in detail.
The .asar file is an archive that contains all the resources used by the Electron app, such as JavaScript, HTML, and CSS files.
To extract .asar files, various tools can be used, with NPX being the preferred method.
NPX is an NPM package runner that allows for the execution of commands from an NPM package without the need for local or global installation.
Extraction of the .asar file using NPX is performed using the command npx asar extract .asar .
Searching for sensitive information within the extracted files can be done using command-line tools like grep or GUI tools like Visual Studio Code.
Keywords and phrases like credentials, tokens, keys, URLs, and IP addresses are searched for, as they are commonly used to identify sensitive information.
Overall, the process of extracting and analyzing .asar files is an important security practice to identify potential vulnerabilities and avoid embedded sensitive information.