Krebs on Security
JANUARY 22, 2019
Your Web browser knows how to find a Web site name like example.com thanks to the global Domain Name System (DNS), which serves as a kind of phone book for the Internet by translating human-friendly Web site names (example.com) into numeric Internet address that are easier for computers to manage. ” SAY WHAT? domaincontrol.com.
Krebs on Security
DECEMBER 20, 2018
.” In such assaults, the perpetrators leverage unmanaged Domain Name Servers (DNS) or other devices on the Web to create huge traffic floods. Ideally, DNS servers only provide services to machines within a trusted domain — such as translating an Internet address from a series of numbers into a domain name, like example.com.
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Krebs on Security
JULY 18, 2022
For the past seven years, an online service known as 911 has sold access to hundreds of thousands of Microsoft Windows computers daily, allowing customers to route their Internet traffic through PCs in virtually any country or city around the globe — but predominantly in the United States. The 911 service as it exists today.
Malwarebytes
JULY 4, 2022
DNS encryption. DNS encryption plugs a gap that makes it easy to track the websites you visit. The domain name system (DNS) is a distributed address book that lists domain names and their corresponding IP addresses. Remember, Bitcoin was supposed to be a peer-to-peer electronic cash system not a vehicle for speculative trading.
Security Affairs
APRIL 23, 2019
Security expert Marco Ramilli published the findings of a quick analysis of the webmask project standing behind the DNS attacks implemented by APT34 (aka OilRig and HelixKitten ). According to Duo, “ OilRig delivered Trojans that use DNS tunneling for command and control in attacks since at least May 2016. Leaked Source code.
SecureList
JANUARY 22, 2024
With this URL, the sample made a request to a DNS server as an attempt to get a TXT record for the domain. This was a fairly interesting and unusual way of contacting a command-and-control server and hiding activity inside traffic, and it guaranteed downloading the payload, as the response message came from the DNS server.
Security Affairs
MAY 2, 2019
Indeed we might observe a File-based command and control (a quite unusual solution) structure, a VBS launcher, a PowerShell Payload and a covert channel over DNS engine. According to Duo, “ OilRig delivered Trojans that use DNS tunneling for command and control in attacks since at least May 2016. It is not a TXT request.
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