log4j-scan

So, let's talk about log4j-scan. This tool has been in the spotlight since December 2021, when a big security hole called Log4j vulnerability (CVE-2021-44228) made waves across the Internet. It’s a serious issue because it affects the open-source logging software from the Apache Software Foundation. And guess what? Many popular services and games use it. That’s why everyone was in a frenzy trying to fix things!

What Makes log4j Vulnerability So Serious?

The reason this vulnerability caused such chaos is that it can be exploited for remote code execution (RCE). Basically, this means that bad actors could take control of computers or even whole networks! Yikes! Since patches are out, companies, banks, and government agencies worldwide are working hard to update their systems and avoid any cyber-attacks.

How log4j-scan Helps You

This is where log4j-scan comes in handy. It’s an open-source scanner written in Python that helps you check your whole setup for any affected hosts due to the Log4j vulnerability. Designed mainly for security experts, it can find instances of Log4j RCE and even discover WAF bypass payloads in your environment.

Features of log4j-scan

The scanner allows you to scan single URLs or even multiple URLs at once by using TXT files as parameters. Pretty cool, right? It supports fuzzing for over 60 HTTP request headers and can handle HTTP POST and JSON data parameters too. You can run scans on individual URLs using all request methods!

No Need for DNS Servers

An added bonus is that it provides support for DNS OOB callbacks. This means you don’t need to set up a DNS callback server just to use it! How convenient is that?

A Quick Solution for Security Experts

In short, log4j-scan is all about helping security pros find vulnerable hosts quickly and easily. If you're looking to secure your systems against the Log4j bug, this tool is definitely worth checking out! For more details or to download, visit Softpas.