Web Application Log Forensics After A Hack
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The program is designed for IT professionals involved with information system security, computer forensics, and incident response. It will help fortify the application knowledge in digital forensics for forensic analysts, cybercrime investigators, cyber defense forensic analysts, incident responders, information technology auditors, malware analysts, security consultants, and chief security officers.
Here are five signs your Web application has been compromised -- and where to begin your investigation. You'll also find some commonsense advice about securing your Web application, whether or not you've been hacked.
The Mutillidae web application (NOWASP (Mutillidae)) contains all of the vulnerabilities from the OWASP Top Ten plus a number of other vulnerabilities such as HTML-5 web storage, forms caching, and click-jacking. Inspired by DVWA, Mutillidae allows the user to change the \"Security Level\" from 0 (completely insecure) to 5 (secure). Additionally three levels of hints are provided ranging from \"Level 0 - I try harder\" (no hints) to \"Level 2 - noob\" (Maximum hints). If the application is damaged by user injections and hacks, clicking the \"Reset DB\" button resets the application to its original state.
This should hopefully give you a very small, simple, view in the world of forensics and what it takes. This should not be confused with attribution though, or the world of identifying WHO hacked you. That is a different process all together.
In the process, you will learn about application vulnerabilities and web application hacking. Even though this will prove useful for other CTF contests, and in cracking VVMs, it will be even more useful to your career as you learn to defend your applications and progress to Web Application Hacking and Security.
Test your skills and learn to hack applications with Web Application Hacking and Security. Whether you are a beginner, or an experienced ethical hacker, Web Application Hacking and Security course offers something for all skill levels. You will hack through a variety of challenges from SQL Injection, to Security Misconfigurations, to cross-site-scripting, and more.
We will talk about session hijacking types at the application level in this article, as when hijacking a session hackers generally target websites and web applications that involve cookies found in the HTTP application-level protocol, hence its generic nickname cookie hijacking. The TCP session hijacking is not relevant in a session cookie hijacking context, however, an example of this is mentioned at the end of the article to make you understand the difference.
One commonly overlooked best practice is to rotate session IDs after a user logs in, instead of giving a user the same ID before and after authentication. Web applications that fail to do this are vulnerable to a session fixation attack, which is a variation of session hijacking.
If the web application persists the authentication state of the victim in the session, the attacker can use that predetermined session ID to impersonate the victim after the victim logs in. Whether the attacker or the victim present that session ID to the server, the server will establish that the session ID corresponds to an authenticated session and grant access to protected resources.
Developers can prevent the attacker from following the victim by making the web application issue the legitimate user a new session ID after logging in. When the web application rotates the session ID, the predetermined session ID becomes useless.
The codelab is organized by types of vulnerabilities. In eachsection, you'll find a brief description of a vulnerability and a taskto find an instance of that vulnerability in Gruyere. Your job is toplay the role of a malicious hacker and find and exploit the securitybugs. In this codelab, you'll use both black-box hacking and white-boxhacking. In black box hacking, you try to find security bugs byexperimenting with the application and manipulating input fields andURL parameters, trying to cause application errors, and looking at theHTTP requests and responses to guess server behavior. You do not haveaccess to the source code, although understanding how to view sourceand being able to view http headers (as you can in Chrome orLiveHTTPHeaders for Firefox) is valuable. Using a web proxylike Burpor ZAP may be helpful in creating or modifyingrequests. In white-box hacking, you have access to the sourcecode and can use automated or manual analysis to identify bugs. Youcan treat Gruyere as if it's open source: you can read through thesource code to try to find bugs. Gruyere is written in Python, sosome familiarity with Python can be helpful. However, the securityvulnerabilities covered are not Python-specific and you can do most ofthe lab without even looking at the code. You can run a local instanceof Gruyere to assist in your hacking: for example, you can create anadministrator account on your local instance to learn howadministrative features work and then apply that knowledge to theinstance you want to hack. Security researchers use both hackingtechniques, often in combination, in real life.
Computer forensics is the application of investigation and analysis techniques to gather and preserve evidence from a particular computing device in a way that is suitable for presentation in a court of law. The goal of computer forensics is to perform a structured investigation and maintain a documented chain of evidence to find out exactly what happened on a computing device and who was responsible for it.
To start the forensics process using AWS native tools, you need to collect and research the Application Load Balancers logs, VPC Flow logs, CloudTrail logs, and the application server logs. The logs need to be stored in S3 cloud storage and imported into AWS Athena. Afterwards, you need to research the logs and correlate them with simple SQL language from the AWS Athena and Jupyter notebooks.
Web applications are one of the most common targets for hacking because they provide easy access to a wider audience, allowing malicious code to spread faster. But, alas, many companies seriously think about web security only after the incident has already occurred.
Web apps can be attacked for various reasons, including system flaws resulting from incorrect coding, misconfigured web servers, application design flaws, or failure to validate forms. Any web application has at least one vulnerability that hackers can exploit at a higher level.
This occurs when basic security settings are either not implemented or have errors. Such bugs create dangerous security holes that leave the application and its data (and, therefore, the organization itself) open to cyberattack or hacking.
Therefore, hackers need to maintain a way to get back into a victim's computer or system, even after multiple reboots and virus scans. Hackers call this persistence.\" But how do hackers maintain persistence 153554b96e