Edit

Source code Review / SAST Tools

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Guidance and & Lists of tools

Multi-Language Tools

Naxus - AI-Gents

There is a free package to review PRs.

Semgrep

It's an Open Source tool.

Supported Languages

Category
Languages

GA

C# · Go · Java · JavaScript · JSX · JSON · PHP · Python · Ruby · Scala · Terraform · TypeScript · TSX

Beta

Kotlin · Rust

Experimental

Bash · C · C++ · Clojure · Dart · Dockerfile · Elixir · HTML · Julia · Jsonnet · Lisp ·

Quick Start

You can also use the semgrep VSCode Extension to get the findings inside VSCode.

SonarQube

There is an installable free version.

Quick Start

CodeQL

There is an installable free version but according to the license you can only use free codeQL version in Open Source projects.

Install

Quick Start - Prepare the database

The first thing you need to do is to prepare the database (create the code tree) so later the queries are run over it.

  • You can allow codeql to automatically identify the language of the repo and create the database

This will usually trigger and error saying that more than one language was specified (or automatically detected). Check the next options to fix this!

  • If your repo is using more than 1 language, you can also create 1 DB per language indicating each language.

  • You can also allow codeql to identify all the languages for you and create a DB per language. You need to give it a GITHUB_TOKEN.

Quick Start - Analyze the code

Now it's finally time to analyze the code

Remember that if you used several languages, a DB per language would have been crated in the path you specified.

Quick Start - Scripted

You can visualize the findings in https://microsoft.github.io/sarif-web-component/ or using VSCode extension SARIF viewer.

You can also use the VSCode extension to get the findings inside VSCode. You will still need to create a database manually, but then you can select any files and click on Right Click -> CodeQL: Run Queries in Selected Files

Snyk

There is an installable free version.

Quick Start

You can also use the snyk VSCode Extension to get findings inside VSCode.

Insider

It's Open Source, but looks unmaintained.

Supported Languages

Java (Maven and Android), Kotlin (Android), Swift (iOS), .NET Full Framework, C#, and Javascript (Node.js).

Quick Start

DeepSource

Free for public repos.

NodeJS

  • yarn

  • pnpm

  • RetireJS: The goal of Retire.js is to help you detect the use of JS-library versions with known vulnerabilities.

Electron

  • electronegativity: It's a tool to identify misconfigurations and security anti-patterns in Electron-based applications.

Python

  • Bandit: Bandit is a tool designed to find common security issues in Python code. To do this Bandit processes each file, builds an AST from it, and runs appropriate plugins against the AST nodes. Once Bandit has finished scanning all the files it generates a report.

  • safety: Safety checks Python dependencies for known security vulnerabilities and suggests the proper remediations for vulnerabilities detected. Safety can be run on developer machines, in CI/CD pipelines and on production systems.

  • Pyt: Unmaintained.

.NET

RUST

Java

Task
Command

Execute Jar

java -jar [jar]

Unzip Jar

unzip -d [output directory] [jar]

Create Jar

jar -cmf META-INF/MANIFEST.MF [output jar] *

Base64 SHA256

sha256sum [file] | cut -d' ' -f1 | xxd -r -p | base64

Remove Signing

rm META-INF/.SF META-INF/.RSA META-INF/*.DSA

Delete from Jar

zip -d [jar] [file to remove]

Decompile class

procyon -o . [path to class]

Decompile Jar

procyon -jar [jar] -o [output directory]

Compile class

javac [path to .java file]

Go

PHP

Psalm and PHPStan.

Wordpress Plugins

https://www.pluginvulnerabilities.com/plugin-security-checker/

Solidity

JavaScript

Discovery

  1. Burp:

    • Spider and discover content

    • Sitemap > filter

    • Sitemap > right-click domain > Engagement tools > Find scripts

  2. WaybackURLs:

    • waybackurls <domain> |grep -i "\.js" |sort -u

Static Analysis

Unminimize/Beautify/Prettify

Deobfuscate/Unpack

Note: It may not be possible to fully deobfuscate.

  1. Find and use .map files:

    • If the .map files are exposed, they can be used to easily deobfuscate.

    • Commonly, foo.js.map maps to foo.js. Manually look for them.

    • Use JS Miner to look for them.

    • Ensure active scan is conducted.

    • Read 'Tips/Notes'

    • If found, use Maximize to deobfuscate.

  2. Without .map files, try JSnice:

    • References: http://jsnice.org/ & https://www.npmjs.com/package/jsnice

    • Tips:

      • If using jsnice.org, click on the options button next to the "Nicify JavaScript" button, and de-select "Infer types" to reduce cluttering the code with comments.

      • Ensure you do not leave any empty lines before the script, as it may affect the deobfuscation process and give inaccurate results.

  3. For some more modern alternatives to JSNice, you might like to look at the following:

  1. Use console.log();

    • Find the return value at the end and change it to console.log(<packerReturnVariable>); so the deobfuscated js is printed instead of being executing.

    • Then, paste the modified (and still obfuscated) js into https://jsconsole.com/ to see the deobfuscated js logged to the console.

    • Finally, paste the deobfuscated output into https://prettier.io/playground/ to beautify it for analysis.

    • Note: If you are still seeing packed (but different) js, it may be recursively packed. Repeat the process.

References

Tools

Less Used References

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