Semgrep - Lightweight Static Analysis Tool

Summary

Semgrep is a fast, open-source, static analysis tool for modern languages. 

5 min read

Semgrep Scan Overview

What is Semgrep?

A fast, open-source, static analysis tool for finding bugs and enforcing code standards at the editor, commit, and CI time. Its rules look like the code you already write; no abstract syntax trees or regex wrestling. Supports 17+ languages.

 

Semgrep allows us to define custom rules for identifying vulnerabilities, thus helping us run a contextual scan on our code. Additionally, Semgrep offers a public registry of such custom rules that can be used.


Semgrep is extremely fast and is the most suitable to be introduced in a DevOps pipeline. It spools a well-formatted and stable JSON output.


It is extremely lightweight and has an easy to install binary. Can also be run using Docker. Most importantly, Semgrep supports Python, JavaScript, Java, Go, C and JSON syntaxes!

Semgrep Scan Result

How to install Semgrep?

For macOS:

				
					brew install semgrep
				
			

For Ubuntu, Windows through Windows Subsystem for Linux (WSL), Linux, macOS:

				
					python3 -m pip install semgrep
				
			

To try Semgrep without installation run through Docker:

				
					docker run --rm -v "${PWD}:/src" returntocorp/semgrep semgrep --config=auto
				
			

How is Semgrep pricing work?

Semgrep is an open-source SAST tool and there is a free community edition.

 

Also, there is a Team edition and It is $40/month per developer on top of the everything community edition, It has a lot of integration and automation features.

 

Lastly, there is an Enterprise edition which comes with full support. You will have access to a customer success manager and there will be support for custom language/feature requests.

Semgrep pricing

Finally, Semgrep is not only a SAST tool anymore but rather a comprehensive scan engine. It can detect misconfiguration in docker files or your config files.

An article for scanning docker files with Semgrep

 

please share your experiences with Semgrep.

 

Or maybe you have a question.

 

Either way, let me know by leaving a comment below right now.

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