Security Affairs

JULY 14, 2020

The SigRed flaw was discovered by Check Point researcher Sagi Tzaik and impacts Microsoft Windows DNS. An attacker could exploit the SigRed vulnerability by sending specially-crafted malicious DNS queries to a Windows DNS server. Non-Microsoft DNS Servers are not affected.”

DNS 60

DNS Advertising Malware Hacking 60

Malwarebytes

APRIL 9, 2024

Victims are tricked into downloading and running the Nitrogen malware masquerading as a PuTTY or FileZilla installer. We have observed several different advertiser accounts which were all reported to Google. Online ads from search engine result pages are increasingly being used to deliver malware to corporate users.

System Administration 106

System Administration DNS Engineering Social Engineering 106

Malwarebytes

JULY 14, 2022

Securing that many endpoints can get really complex, really fast, especially when you consider that the common wisdom that Macs don’t get malware simply isn’t true: in fact, the number of malware detections on Mac jumped 200% year-on-year in 2021. And it’s not just malware you have to worry about with your Mac endpoints.

DNS 102

DNS Adware Malware Antivirus 102

Malwarebytes

APRIL 4, 2024

A malicious advertiser is capturing traffic from Bing searches and redirecting users to a decoy site that looks almost identical to the real one. The file contains both an installer for NordVPN and a malware payload. ThreatDown customers who have DNS Filtering can proactively block online ads by enabling the rule for advertisements.

VPN 101

VPN Advertising DNS Malware 101

Security Affairs

MARCH 26, 2020

The number of Coronavirus-themed attacks continues to increase, crooks hijack D-Link and Linksys routers to redirect users to sites spreading COVID19-themed malware. Crooks continue to launch Coronavirus-themed attacks , experts observed hackers hijacking D-Link and Linksys routers to redirect users to COVID19-themed sites spreading malware.

Malware 76

Malware DNS Advertising Cryptocurrency 76

Security Affairs

APRIL 16, 2020

Linksys has reset passwords for all its customers’ after learning on ongoing DNS hijacking attacks aimed at delivering malware. Crooks continue to launch Coronavirus-themed attacks , in the last weeks, experts observed hackers hijacking D-Link and Linksys routers to redirect users to COVID19-themed sites spreading malware.

Passwords 115

Passwords DNS Malware Advertising 115

Security Affairs

OCTOBER 1, 2018

Security experts from Qihoo 360 NetLab spotted GhostDNS, a malware that already infected over 100K+ devices and targets 70+ different types of routers. Security experts from Qihoo 360 NetLab have uncovered an ongoing hacking campaign that leverages the GhostDNS malware. ” reads the analysis published by the experts.

DNS 76

DNS Malware Firmware Phishing 76

Security Affairs

SEPTEMBER 19, 2020

The popular encrypted email service Tutanota was hit with a series of DDoS attacks this week targeting its website fist and its DNS providers later. Encrypted email service, Tutanota suffered a series of DDoS attacks that initially targeted the website and later its DNS providers. “As a result these providers went down. .

DDOS 139

DDOS Encryption DNS Advertising 139

Security Affairs

JULY 15, 2020

Security researchers discovered another malware family delivered through tax software that some businesses operating in China are required to install. Security researchers at Trustwave have discovered another malware family delivered through tax software that Chinese banks require companies operating in the country to install.

Software 80

Software Malware Banking Advertising 80

Krebs on Security

MARCH 2, 2020

A large number of French critical infrastructure firms were hacked as part of an extended malware campaign that appears to have been orchestrated by at least one attacker based in Morocco, KrebsOnSecurity has learned.

DNS 252

DNS Penetration Testing Malware Hacking 252

SecureWorld News

MARCH 29, 2024

The concept of the term "malvertising" (a portmanteau of "malicious advertising") suggests an overlap with ads, albeit dodgy ones, and therefore fuels the fallacy that its impact hardly goes beyond frustration. Malvertising acts as a vessel for malware propagation. How does a malvertising attack unfold?

Cybercrime 80

Cybercrime Advertising Engineering Antivirus 80

Security Affairs

APRIL 24, 2019

Iran-linked OilRig cyberespionage group is using the reconnaissance malware Karkoff along with DNSpionage in recent campaigns. Iran-linked OilRig cyberespione group is using the reconnaissance malware Karkoff along with DNSpionage in recent campaigns. ” reads the analysis published by Talos. ” continues the experts.

Malware 66

Malware DNS Advertising Hacking 66

Security Affairs

FEBRUARY 1, 2019

Security experts at Cybaze – Yoroi ZLab have analyzed a new sample of the AdvisorsBot malware, a downloader that was first spotted in August 2018. As usual, the malware looks like a legitimate e-mail attachment, named as “invoice.doc”. Figure 3 – Piece of VBS script that starts malware infection. DLL Analysis.

Malware 84

Malware DNS Social Engineering Advertising 84

Security Affairs

DECEMBER 18, 2019

Security experts recently found notable malware activity affecting devices running Linux that is associated with the Momentum Botnet. Malware researchers from Trend Micro recently observed notable malware activity affecting devices running Linux that is associated with the Momentum Botnet. ” concludes the analysis.

Malware 61

Malware DDOS DNS Advertising 61

Security Affairs

JANUARY 24, 2019

A still ongoing spam campaign that has been active during the last months has been distributing the Redaman banking malware. Experts at Palo Alto Networks continue to monitor an ongoing spam campaign that has been distributing the Redaman banking malware. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Banking 85

Banking Malware Advertising DNS 85

Security Affairs

APRIL 22, 2020

” The malware sample employed in the attack resembled a Winnti dropper previously analyzed by ESET researcher that was submitted to a public online malware scanning service. The analysis of the configuration file of malware allowed the identification of the intended target. ” continues the report. Pierluigi Paganini.

DNS 112

DNS Malware Advertising Software 112

Security Affairs

OCTOBER 28, 2020

According to a new report published by researchers from security firm Netscout , TrickBot’s operators have started to use a new variant of their malware in an attempt to Linux systems and expand the list of its targets. “Often delivered as part of a zip, this malware is a lightweight Linux backdoor. Pierluigi Paganini.

DNS 103

DNS Banking Advertising IoT 103

Security Affairs

JULY 17, 2019

Threat actors used the Extembro DNS- changer Trojan in an adware campaign to prevent users from accessing security-related websites. Security experts at Malwarebytes observed an adware campaign that involved the Extembro DNS- changer Trojan to prevent users from accessing websites of security vendors. ” concludes the analysis.

Adware 57

Adware DNS Malware Advertising 57

Security Affairs

APRIL 8, 2019

Kaspersky Lab reported that hundreds of users have been targeted with malware over the past month as part of a recent Roaming Mantis campaign. Security experts at Kaspersky Lab reported that hundreds of users have been targeted with malware over the past month as part of a new campaign associated with Roaming Mantis gang.

DNS 90

DNS Mobile Phishing Malware 90

Krebs on Security

FEBRUARY 24, 2023

The Mylobot malware includes more than 1,000 hard-coded and encrypted domain names, any one of which can be registered and used as control networks for the infected hosts. The service is currently advertising access to more than 150,000 devices globally. 5, 2014 , but historic DNS records show BHproxies[.]com com on Mar.

Accountability 220

Accountability Advertising Marketing Malware 220

SecureList

JUNE 5, 2023

Satacom downloader, also known as LegionLoader, is a renowned malware family that emerged in 2019. It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom.

Cryptocurrency 78

Cryptocurrency DNS Malware Encryption 78

Malwarebytes

FEBRUARY 28, 2024

One other malware family we have seen here and there is Rhadamanthys. In this blog post, we detail the latest distribution chain related to this malware. Threat actors are using decoy websites to trick users into downloading malware. Key points Rhadamanthys is an infostealer distributed via malspam and malvertising.

Advertising 76

Advertising Malware Software DNS 76

Security Affairs

MARCH 5, 2020

Security researchers demonstrated that hundreds of sub-domains belonging to Microsoft could potentially be hijacked and abused to deliver malware and for phishing attacks. Let’s consider mybrowser.microsoft.com, it might have resolved by the DNS to something like webserver9000.azurewebsites.net. azurewebsites.net.

DNS 93

DNS Phishing Advertising Malware 93

SecureList

MARCH 13, 2024

“Malvertising” is a popular way of attracting victims to malicious sites: an advertisement block is placed at the top of the search results, increasing the likelihood of users clicking the link. However, we know for sure that this server has another subdomain, dns[.]transferusee[.]com Communication with the C2 server dns[.]transferusee[.]com

DNS 93

DNS Advertising Engineering Internet 93

Security Affairs

SEPTEMBER 17, 2018

Palo Alto Network researchers discovered a new malware, tracked as XBash, that combines features from ransomware, cryptocurrency miners, botnets, and worms. Security researchers at Palo Alto Networks have discovered a new piece of malware, dubbed XBash piece that is targeting both Linux and Microsoft Windows servers.

Cryptocurrency 89

Cryptocurrency Malware Ransomware Cybercrime 89

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. “ Malware then guesses routers’ passwords , which new research from Avast shows are often weak. ” reads a blog post published by Avast.

DNS 72

DNS Passwords Advertising Banking 72

Security Affairs

OCTOBER 15, 2019

The group has been observed using new tactics, techniques, and procedures (TTPs), it is also using updated malware to evade detection. “the actor moved away from hosting the scripts on dedicated servers and instead started to use Domain Name System (DNS) text records. Pierluigi Paganini.

Cybercrime 63

Cybercrime DNS Malware Advertising 63

Cisco Security

JUNE 13, 2022

Malware,” the machine says with little explanation, followed by a horde of gibberish-looking data of network flows, executable traces, and so on. For example, the security event might involve requests to communicate with an IP address, and the analyst would say, “This IP address belongs to my DNS server, so the traffic is legitimate.”

DNS 106

DNS Engineering Authentication Malware 106

Security Affairs

APRIL 13, 2021

Security experts disclosed nine flaws, collectively tracked as NAME:WRECK, affecting implementations of the DNS protocol in popular TCP/IP network communication stacks. “The widespread use of these stacks and often external exposure of vulnerable DNS clients lead to a dramatically increased attack surface.” ” ù. .

DNS 93

DNS Advertising Hacking Ransomware 93

Krebs on Security

JANUARY 8, 2024

As detailed in my 2014 book, Spam Nation , Spamdot was home to crooks controlling some of the world’s nastiest botnets, global malware contagions that went by exotic names like Rustock , Cutwail , Mega-D , Festi , Waledac , and Grum. I can not provide DNS for u, only domains. One such site — sun-technology[.]net

Cybercrime 202

Cybercrime Banking Computers and Electronics DDOS 202

Security Affairs

JANUARY 19, 2019

“This malware is a lure Excel document with name ‘???????.xlsm’. The final stage malware is a backdoor written in C#. According to the analysis made by malware researchers from Palo Alto Networks, the text file includes parts of a Windows Script Component (.SCT) The final stage malware is a backdoor written in C#.

DNS 83

DNS Penetration Testing Malware Advertising 83

Krebs on Security

JULY 18, 2022

re network uses at least two free VPN services to lure its users to install a malware-like software that achieves persistence on the user’s computer,” the researchers wrote. “Using the internal router, it would be possible to poison the DNS cache of the LAN router of the infected node, enabling further attacks.”

VPN 294

VPN Computers and Electronics Antivirus Software 294

Security Affairs

JULY 15, 2020

“Today we released an update for CVE-2020-1350 , a Critical Remote Code Execution (RCE) vulnerability in Windows DNS Server that is classified as a ‘wormable’ vulnerability and has a CVSS base score of 10.0. This issue results from a flaw in Microsoft’s DNS server role implementation and affects all Windows Server versions.

DNS 59

DNS Advertising Engineering Internet 59

Krebs on Security

APRIL 2, 2019

Canadian police last week raided the residence of a Toronto software developer behind “ Orcus RAT ,” a product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. An advertisement for Orcus RAT. Meanwhile on Hackforums[.]net

Advertising 214

Advertising Malware Marketing Software 214

Security Affairs

SEPTEMBER 23, 2020

Qurium analyzes the blocking implemented by four different operators in Belarus Belarus operators use their own infrastructure to implement the blocking Block techniques include transparent web proxies, injection of HTTP responses, stateless and stateful SSL DPI and fake DNS responses. Qurium forensics report: Internet blocking in Belarus.

Internet 118

Internet Internet DNS Advertising 118

Security Affairs

MARCH 10, 2020

“The threat actors behind this campaign are posting malware embedded inside various hacking tools and cracks for those tools on several websites. The domain started to be associated with malware around the time of the re-registration, however, it is unclear whether this Vietnamese individual has any ties to the malware campaign.”

Hacking 116

Hacking Malware Advertising DNS 116

Security Affairs

NOVEMBER 4, 2020

Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. Click here to check out or media kit and market with us, today. email: marketing@cyberdefensemagazine.com. Pierluigi Paganini.

InfoSec 118

InfoSec DNS Advertising Marketing 118