2021 Cryptocurrency DNS Internet 
Cisco Security
MARCH 11, 2021
After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis. Cryptomining.
Security Affairs
JUNE 22, 2021
DirtyMoe is a Windows botnet that is rapidly growing, it passed from 10,000 infected systems in 2020 to more than 100,000 in the first half of 2021. The Windows botnet has been active since late 2017, it was mainly used to mine cryptocurrency, but it was also involved in DDoS attacks in 2018. ” continues the report. .
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Security Affairs
DECEMBER 19, 2022
The Glupteba botnet is back, researchers reported a surge in infection worldwide after Google disrupted its operation in 2021. In December 2021, Google announced it has taken down the infrastructure operated by the Glupteba botnet, it also sued Russian nationals Dmitry Starovikov and Alexander Filippov for creating and operating the botnet.
Cisco Security
MARCH 11, 2021
After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis. Cryptomining.
SecureList
JANUARY 13, 2022
Also, we have previously reported on cryptocurrency-focused BlueNoroff attacks. It appears that BlueNoroff shifted focus from hitting banks and SWIFT-connected servers to solely cryptocurrency businesses as the main source of the group’s illegal income. The group is currently active (recent activity was spotted in November 2021).
Krebs on Security
FEBRUARY 26, 2023
We don’t know much about the source of the November 2021 incident, other than GoDaddy’s statement that it involved a compromised password, and that it took about two months for the company to detect the intrusion. Thus, the second factor cannot be phished, either over the phone or Internet.
Security Affairs
JANUARY 19, 2021
CVE-2021-3007 – deserialization flaw that affects the Zend Framework (disclosed on January 3, 2021). Supports UDP and TCP packets, but also application layer protocols such as HTTP, DNS, SSDP, and SNMP Protocol packing support created by the attacker. DDOS and Flooding – HTTP, DNS, SYN Self-implementation of Slowlaris.
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