![]() Let’s say an adversary exploited a web application, uploaded a web shell, and executed a simple ping command. “An Internet Information Services (IIS) worker process is a Windows process (w3wp.exe) which runs web applications, and is responsible for handling requests sent to a web Server for a specific application pool.” Where in the chain of processes should we expect w3wp.exe? StackExchange offers a pretty good explanation of the the function of w3wp.exe: We expect to see w3wp.exe in the chain of processes. What do we look for on a Windows server running IIS? However, this doesn’t mean that we expect to see a web shell every time a server is popped. All variety of threat actors use web shells, and they are very prevalent. Typically when adversaries own a web server, they’ll try to upload a web shell, which will allow them to execute commands on the server, gathering information, elevating privileges, and eventually pivoting deeper into the environment. If you want to keep a breach from going from bad to worse, then it’s important to know what to monitor on a web server. ![]() Time and time again, patient zero ends up being a vulnerable web server that an adversary exploited to gain unauthorized entry. In the age where everything is connected to the Internet, attacking and exploiting web servers is a routine practice among adversaries. Having learned from earlier mistakes, firewall administrators now know all the tricks, and, as a result, adversaries have moved to different tactics. The days of adversaries poking around the network perimeter looking for a way in are long gone. Minimize downtime with after-hours support.Train continuously for real world situations.Operationalize your Microsoft security stack.Protect critical production Linux and Kubernetes.Protect your users’ email, identities, and SaaS apps.Protect your corporate endpoints and network.Ensure you aren’t missing any update and make sure to install it once you find out about the update. Keep all your installed software, extensions and plugins updated.Strong passwords with symbols, special characters, upper/lower case letters, and numbers are recommended. Likewise, ensure that everyone follows the protocol of changing passwords periodically and it’s strong enough. If you’re running a business, it becomes essential that you keep all your online accounts safe and follow security measures like periodically changing passwords. Though it may not sound like a great idea, if it doesn’t become an obstacle in your workflow, you can consider removing the older legacy software that can exploit any known vulnerability. Taking website security measures seriously and applying them on all their websites.Providing cybersecurity awareness training. ![]() Installing available patches as soon as it’s released and available.Organizations can take specific steps to mitigate exploits risks, such as: One popular example of the payload is ransomware, which is becoming a global menace these days. Then, the kit will launch the exploit while inserting a malicious payload. And, if any vulnerability is present within the website, system, or device, then it’s inevitable that the exploit kit will identify it. Users are redirected towards the exploit kit hosted on an invisible landing page in both the above-mentioned methods. And, the most damaging part of malvertising is that users don’t even have to click on any advertisements to get exposed to malvertising. ![]() Malvertising or malicious advertising is displayed on the site.Malicious code is hidden within the website.So, if you’re questioning how it all works, there are two common methods used by attackers… However, the worst case is that attackers can trick even popular high-traffic sites like msn.com,, or. Among them, one common way is getting in contact with a malicious website that attackers have targeted. ![]()
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