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Windows systems and applications often store clear text, encoded or hashed credentials in files, registry keys or in memory.
When gaining initial access to a Windows machine and performing privilege escalation enumeration steps, often passwords can be found through these means and they can be used to further escalate privileges.
Read moreThis was an easy Linux box that involved exploiting a vulnerability that allowed to remotely download and execute files to gain initial access, using Steganography to escalate to the mardov user and exploiting a custom SUID binary to gain root access.
Read moreSudo is a Linux utility that allows users to run commands with the privileges of another user, when no arguments are provided, this will execute the command as the root user.
If sudo is not configured correctly, this could allow attackers to escalate their privileges to root.
Read moreThis was an easy Windows box that involved exploiting a remote command execution vulnerability in the Rejetto HTTP File Server web application to gain an initial foothold and exploiting an overflow vulnerability in a version of Windows 8.1 (MS16-098) to escalate to system.
Read moreThe eLearnSecurity Junior Penetration Tester (eJPT) penetration testing practical certification provided by eLearnSecurity, a cyber security company that develops cyber security courses that are delivered electronically and that allow students to obtain corresponding certifications.
I decided to sign up for this certification a couple of years before obtaining my OSCP certification as a lot of people recommended this course as a start.
Read moreNetcat is a networking tool used to send and receive data over a TCP/UDP network connection. It is often referred to as a networking Swiss army knife as it can be used to carry out various task.
In penetration testing, Netcat is often used to establish a reverse/bind shell with a target machine, transfer files over a network or interact with certain services such as FTP or SMTP.
Read moreThe kernel is a component of the operating system that sits at the core of it, it has complete control over everything that occurs in the system. Because of this, exploiting vulnerabilities in the kernel will pretty much always result in a full system compromise.
Kernel exploits affect a certain version of a kernel or operating system and they are generally executed locally on the target machine in order to escalate privileges to root.
Read moreThis was an easy Linux box that involved gaining initial access by exploiting a vulnerability in ProFTPD to copy a user’s SSH key to a world-readable directory, grabbing it using SMB and using it to authenticate to via SSH and exploiting a vulnerable SUID binary in conjunction with PATH Environmental Variable manipulation to escalate to root.
Read moreThis was an easy Linux box that involved exploiting a remote command execution vulnerability in the distcc service to gain an initial foothold and the Nmap interactive mode to escalate privileges to root
Read moreThis was a pretty easy Linux box that involved exploiting an SQL injection vulnerability affecting the OpenDocMan web application to gain initial access, and exploiting a Kernel Exploit affecting Ubuntu to gain root.
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