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forensicitguy.github.io | ||
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blog.deesee.xyz
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| | | | | When reverse engineering an application that is shipped as compiled bytecode (jar file, war file, class files, etc.), we normally use a decompiler and then audit the resulting Java code. The catch is that the language the application was written in might not have been Java! Indeed, there are multiple languages that target the Java Virtual Machine (JVM) and produce bytecode just like Java does. On top of generating generally strange decompiled code, this has for effect that the common potentially dangerou... | |
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www.datadoghq.com
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| | | | | Learn how the Log4Shell vulnerability works, how to detect it, and how Datadog can help you secure your systems. | |
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xvnpw.github.io
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| | | | | This story will explain how to find and exploit SpEL parser in web applications based on Java language. What is SpEL ? From Spring documentation: The Spring Expression Language (SpEL for short) is a powerful expression language that supports querying and manipulating an object graph at runtime. | |
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www.malwaretech.com
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| | | A while ago some of you may remember me saying that I was so bored of there being no decent malware to reverse, that I might as well write some. Well, I decided to give it a go and I've spent some of my free time developing a Windows XP 32-bit bootkit. Now, before you get on the phone to your friendly neighborhood FBI agent, I'd like to make clear a few thing: The bootkit is written as a proof of concept, it would be very difficult to weaponize, and there is no weaponized version to fall into the hands of criminals. For those of you who don't know, a bootkit is a type of rootkit that begins executing at boot time. By infecting the BIOS, Master Boot Record, Volume Boot Record or Initial Program Loader; Malware can begin execution early on in the operating sys... | ||
