Krebs on Security

AUGUST 2, 2022

Compounding the problem, several remaining malware-based proxy services have chosen to block new registrations to avoid swamping their networks with a sudden influx of customers. com , a malware-based proxy network that has been in existence since at least 2010. Last week, a seven-year-old proxy service called 911[.]re Image: Spur.us.

Malware 281

Malware Cybercrime Internet Internet 281

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 97

DNS Advertising Malware Hacking 97

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 112

Malware DNS Advertising Cryptocurrency 112

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

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 107

DNS Malware Firmware Phishing 107

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 145

Passwords DNS Malware Advertising 145

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

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 126

Software Malware Banking Advertising 126

eSecurity Planet

FEBRUARY 16, 2021

Malware, short for “malicious software,” is any unwanted software on your computer that, more often than not, is designed to inflict damage. Since the early days of computing, a wide range of malware types with varying functions have emerged. Best Practices to Defend Against Malware. Jump ahead: Adware. RAM scraper.

Malware 105

Malware Adware Spyware Antivirus 105

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 145

DDOS Encryption DNS Advertising 145

Security Affairs

JULY 28, 2024

Ukraine’s cyber operation shut down the ATM services of major Russian banks A bug in Chrome Password Manager caused user credentials to disappear BIND updates fix four high-severity DoS bugs in the DNS software suite Terrorist Activity is Accelerating in Cyberspace – Risk Precursor to Summer Olympics and Elections Progress Software fixed (..)

Spyware 124

Spyware Data breaches Cybercrime Banking 124

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 97

Malware DNS Advertising Hacking 97

Security Affairs

FEBRUARY 10, 2019

Security experts from Trend Micro have discovered a new strain of coin miner that targets the Linux platform and installs the XMR-Stak Cryptonight cryptocurrency miner, researchers observed it killing other Linux malware and coin miners present on the infected machine. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

Malware 111

Malware Cryptocurrency Advertising DNS 111

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 272

DNS Penetration Testing Malware Hacking 272

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 99

Malware DDOS Advertising DNS 99

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

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 109

Malware DNS Social Engineering Advertising 109

Krebs on Security

SEPTEMBER 18, 2024

Recently, these scammers have branched out into offering fake streaming services for nearly any kind of event advertised on Facebook. net for DNS. com , but historical DNS records show this website also used DNS servers from webhostbd[.]net. net DNS servers). One of the many scam funeral group pages on Facebook.

Scams 62

Scams DNS Internet Internet 62

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 110

Banking Malware Advertising DNS 110

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 144

DNS Malware Advertising Software 144

Security Affairs

MARCH 22, 2019

The financially-motivated hacking group FIN7 is back and used a new piece of malware in a recent hacking campaign. Security experts at Flashpoint revealed that the financially-motivated cybercrime group FIN7 (aka Anunak and Carbanak ) used new malware in a recent hacking campaign. ” continues the analysis. Pierluigi Paganini.

Malware 109

Malware Identity Theft Cybercrime Hacking 109

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 92

Adware DNS Malware Advertising 92

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 110

DNS Banking Advertising IoT 110

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 110

DNS Mobile Phishing Malware 110

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 138

DNS Phishing Advertising Malware 138

Security Affairs

FEBRUARY 19, 2019

Over the last few days, a phishing campaign from DHL and entitled “ DHL Shipment Notification ” has been targeted users worldwide distribution the Muncy malware. Now, the malware is targeting user’s worldwide and has been spread via phishing campaigns. The process flow diagram below shown how the malware works.

Malware 103

Malware Phishing DNS Engineering 103

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 106

DNS Passwords Advertising Banking 106

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 84

Cybercrime Advertising Engineering Antivirus 84

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 253

Accountability Advertising Marketing Malware 253

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 94

Cybercrime DNS Malware Advertising 94

SecureWorld News

SEPTEMBER 25, 2024

A growing threat: malvertising's new tactics Malvertising, or malicious advertising, involves cybercriminals embedding malware or phishing traps in online ads. Sponsored ads for popular search keywords such as Apple or M icrosoft S upport are exploited to trick consumers into clicking malicious sponsored advertisements.

Phishing 104

Phishing Engineering Education Advertising 104

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 90

Cryptocurrency DNS Malware Encryption 90

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 111

Cryptocurrency Malware Ransomware Cybercrime 111

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 120

DNS Advertising Hacking Ransomware 120

SecureList

NOVEMBER 6, 2024

It also uses stealer malware to extract the victim’s credit card data as well as details about the infected device. Technical Details Background In August 2024, we stumbled upon a massive infection caused by an unknown bundle consisting of miner and stealer malware. SteelFox.gen , Trojan.Win64.SteelFox.*. SteelFox.*.

Software 85

Software Cryptocurrency Malware DNS 85

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 110

DNS Penetration Testing Malware Advertising 110

SecureList

JUNE 7, 2023

However, recently the group has adopted new methods to deliver its malware. The threat actor also seems to be experimenting with new file types to deliver its malware. Android malware, used by Roaming Mantis, and discovered a DNS changer function that was implemented to target specific Wi-Fi routers used mainly in South Korea.

DNS 103

DNS Malware Cryptocurrency Retail 103