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The threat of DDoS (Denial-of-Service) attacks that send massive processing demands from multiple Internet-connected devices (be it a PC, a smartphone, a tablet or an IoT) to the target server and bring the system down has grown tremendously in the past decade. It is possible that an attack may shut down a network of one […]
Earlier, we had service provider playing tricks with your DNS traffic. Then, it was difficult for us to fathom unless you are an expert to figure this out. Well, the majority of the users’ have no idea something like this is happening, but it was true. For service providers playing with the DNS traceroute tool […]
An information security professional wrote a list of the most popular methods, the expert tried to make a list of some tools and online resources to exploit them. Of course this list is far from exhaustive, there is much new stuff every day, but it’s still a good start. Methods Brute force This is the easiest way. […]
mitm6 is a pentesting tool that exploits the default configuration of Windows to take over the default DNS server. It does this by replying to DHCPv6 messages, providing victims with a link-local IPv6 address and setting the attackers host as default DNS server. As DNS server, mitm6 will selectively reply to DNS queries of the […]
CVE-2017-11779 fixed by Microsoft in October of 2017, covers multiple memory corruption vulnerabilities in the Windows DNS client. The issues affect computers running Windows 8/ Server 2012 or later, and can be triggered by a malicious DNS response. An attacker can exploit this issue to gain arbitrary code execution in the context of the application that made […]
A remote attacker can trigger the buffer overflow vulnerability to execute malicious code on affected Linux systems with just a malicious DNS response. Chris Coulson, Ubuntu developer at Canonical, has found a critical vulnerability Linux that can be exploited to remotely hack machines running the popular OS. The flaw, tracked as CVE-2017-9445, resides in the Systemd init system and […]
DNS servers are essential to the normal functioning of the internet as we know and love it, but they tend to go unnoticed by most users. At least, that is, until some sort of attack or incident occurs that stops them from working normally, which results in the services we use every day starting to fail (something […]
Short Bytes: A GitHub user has uploaded the list of domains that exist on North Korea internet. His TLDR project fetched DNS data by making AXFR request to North Korea’s nameserver ns2.kptc.kp. The leaked reveals that the North Korea’s internet has only 28 operating domains. North Korea is one such kid who wants to hide […]
What is the definition of DNS? DNS, which stands for Domain Name System, is used as the medium to translate domain names to their respective IP addresses when a client initiates a request query. DNS stores the database of all the domain names and their IP addresses which are registered on the network. It can […]