Authentication and session management constitute core components of modern web applications. Authentication allows users to gain access to web applications by verifying their identities. The most common form of authentication is using a username and password mechanism. A user would enter these credentials, the server would verify them. If they are correct, the server would … Read more
Command Injection occurs when server-side code (like PHP) in a web application makes a system call on the hosting machine. It is a web vulnerability that allows an attacker to take advantage of that made system call to execute operating system commands on the server. Sometimes this won’t always end in something malicious, like a whoami or just … Read more
Burp Suite is a framework written in Java that aims to provide a one-stop-shop for web application penetration testing. Burp Suite is also very commonly used when assessing mobile applications, as the same features which make it so attractive for web app testing translate almost perfectly into testing the APIs (Application Programming Interfaces) powering most mobile apps. … Read more
Using a fast directory discovery tool called GoBuster you will locate a directory that you can use to upload a shell to. To install, sudo apt-get install gobuster GoBuster is a tool used to brute-force URIs (directories and files), DNS subdomains and virtual host names. For this machine, we will focus on using it to brute-force directories. … Read more
Hydra is a brute force online password cracking program; a quick system login password ‘hacking’ tool. Hydra has the ability to bruteforce the following protocols: Asterisk, AFP, Cisco AAA, Cisco auth, Cisco enable, CVS, Firebird, FTP, HTTP-FORM-GET, HTTP-FORM-POST, HTTP-GET, HTTP-HEAD, HTTP-POST, HTTP-PROXY, HTTPS-FORM-GET, HTTPS-FORM-POST, HTTPS-GET, HTTPS-HEAD, HTTPS-POST, HTTP-Proxy, ICQ, IMAP, IRC, LDAP, MS-SQL, MYSQL, NCP, NNTP, … Read more
Rules of Engagements Section Name Section Details Executive Summary Overarching summary of all contents and authorization within RoE document Purpose Defines why the RoE document is used References Any references used throughout the RoE document (HIPAA, ISO, etc.) Scope Statement of the agreement to restrictions and guidelines Definitions Definitions of technical terms used throughout the RoE document Rules of Engagement and Support Agreement Defines … Read more
Access control enforces policy such that users cannot act outside of their intended permissions. Failures typically lead to unauthorized information disclosure, modification, or destruction of all data or performing a business function outside the user’s limits. Broken access control means that an attacker can access information or perform actions not intended for them. Common access … Read more
Digital Signatures A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature, where the prerequisites are satisfied, gives a recipient very high confidence that the message was created by a known sender (authenticity), and that the message was not altered in transit (integrity). A digital signature is … Read more