Blog | Techniques

Using Python To Get A Shell Without A Shell

Posted on October 27, 2017Link 

Introduction Many times while conducting a pentest, I need to script something up to make my life easier or to quickly test an attack idea or vector. Recently I came across an interesting command injection vector on a web application sitting on a client's internet-facing estate. There was a page, running in Java, that allowed me to type arbitrary commands...Continue reading 

Hashing Horror

Posted on April 06, 2017Link 

Recently, I was working on a web application assessment that acted like a feature filled version of the Damn Vulnerable Web App. That meant there was a lot of XSS of course and a heavy handful of SQL injection vectors. This isn’t a post on how terrible the application was but the interesting way they chose to store their...Continue reading 

Exploitation: XML External Entity (XXE) Injection

Posted on November 09, 2016Link 

Xxe Image

During the course of our assessments, we sometimes come across a vulnerability that allows us to carry out XML eXternal Entity (XXE) Injection attacks. XXE Injection is a type of attack against an application that parses XML input. Although this is a relatively esoteric vulnerability compared to other web application attack vectors, like Cross-Site Request Forgery (CSRF), we make the...Continue reading 

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