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Microsoft Patch Tuesday, February 2021 Edition

Krebs on Security

The flaw being exploited in the wild already — CVE-2021-1732 — affects Windows 10, Server 2016 and later editions. A key concern for enterprises is another critical bug in the DNS server on Windows Server 2008 through 2019 versions that could be used to remotely install software of the attacker’s choice.

DNS 339
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‘Wormable’ Flaw Leads July Microsoft Patches

Krebs on Security

Top of the heap this month in terms of outright scariness is CVE-2020-1350 , which concerns a remotely exploitable bug in more or less all versions of Windows Server that attackers could use to install malicious software simply by sending a specially crafted DNS request. Thankfully, I was able to restore from a recent backup.

DNS 300
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Patch Tuesday, Good Riddance 2020 Edition

Krebs on Security

The critical bits reside in updates for Microsoft Exchange Server , Sharepoint Server , and Windows 10 and Server 2016 systems. Additionally, Microsoft released an advisory on how to minimize the risk from a DNS spoofing weakness in Windows Server 2008 through 2019. So do yourself a favor and backup before installing any patches.

DNS 312
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NEW TECH: A couple of tools that deserve wide use — to preserve the integrity of U.S. elections

The Last Watchdog

What this tells me is that the presidential candidates, at least, actually appear to be heeding lessons learned from the hacking John Podesta’s email account – and all of the havoc Russia was able to foment in our 2016 elections. Let’s not forget how Russia targeted elections in 39 states back in 2016. “We

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How to Stop DDoS Attacks: Prevention & Response

eSecurity Planet

For example, the 2016 DDoS attack on the Dyn managed domain name service (DNS) caused the DNS service to fail to respond to legitimate DNS inquiries and effectively shut down major sites such as PayPal, Spotify, Twitter, Yelp, and many others. Also read: How to Secure DNS. Types of DDoS Attacks.

DDOS 140
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Operation ‘Harvest’: A Deep Dive into a Long-term Campaign

McAfee

The PlugX families we observed used DNS [ T1071.001 ] [ T1071.004 ] as the transport channel for C2 traffic, in particular TXT queries. Another clue that helped us was the use of DNS tunneling by Winnti which we discovered traces of in memory. The hardcoded 208.67.222.222 resolves to a legitimate OpenDNS DNS server.

Malware 144
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Tomiris called, they want their Turla malware back

SecureList

Introduction We introduced Tomiris to the world in September 2021, following our investigation of a DNS-hijack against a government organization in the Commonwealth of Independent States (CIS). KopiLuwak has belonged to Turla Kaspersky first reported on KopiLuwak in 2016. What are the possible explanations for this?

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