2019 DNS Firmware Internet 
SecureList
DECEMBER 18, 2020
For instance, before making the first internet connection to its C2s, the Sunburst malware lies dormant for a long period, of up to two weeks, which prevents an easy detection of this behavior in sandboxes. In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. avsvmcloud[.]com”
Security Affairs
OCTOBER 5, 2020
The experts are monitoring the Mirai-based botnet since November 2019 and observed it exploiting two Tenda router 0-day vulnerabilities to spread a Remote Access Trojan (RAT). ” When the botnet was first detected in 2019, experts noticed it was exploiting the Tenda zero-day flaw tracked as CVE-2020-10987.
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Security Affairs
AUGUST 20, 2021
Mozi is an IoT botnet that borrows the code from Mirai variants and the Gafgyt malware , it appeared on the threat landscape in late 2019. According to the researchers, in the last months of 2019, the botnet was mainly involved in DDoS attacks. .” Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini.
Security Affairs
JULY 13, 2019
The campaign uncovered by Avast aimed at silently modifying the Brazilian users’ Domain Name System (DNS) settings to redirect victims to malicious websites mimicking legitimate ones. In some cases the router is reconfigured to use rogue DNS servers, which redirect victims to phishing pages that closely look like real online banking sites.
Security Affairs
NOVEMBER 1, 2021
The number of infected devices is impressive, on 2019-11-30 a trusted security partner in the US informed Qihoo 360’s Netlab Cybersecurity reported to have observed 1,962,308 unique daily active IPs from the Pink botnet targeting its systems. According to the experts, Pink is the largest botnet they have observed in the last six years.
SecureList
NOVEMBER 26, 2021
The vulnerability is in MSHTML, the Internet Explorer engine. We started detecting some suspicious backdoored installer packages (including TeamViewer, VLC Media Player and WinRAR); then in the middle of 2019 we found a host that served these installers along with FinSpy Mobile implants for Android.
SecureList
FEBRUARY 16, 2021
The DTLS (Datagram Transport Layer Security) protocol is used to establish secure connections over UDP, through which most DNS queries, as well as audio and video traffic, are sent. After the attacks came to light, the manufacturer promptly released a firmware update for configuring verification of incoming requests.
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