Krebs on Security

JULY 18, 2022

For the past seven years, an online service known as 911 has sold access to hundreds of thousands of Microsoft Windows computers daily, allowing customers to route their Internet traffic through PCs in virtually any country or city around the globe — but predominantly in the United States. THE INTERNET NEVER FORGETS.

VPN 305

VPN Computers and Electronics Antivirus Software 305

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 87

Cybercrime Advertising Engineering Antivirus 87

Security Affairs

AUGUST 10, 2020

Our findings show that both Telenor and MPT block websites using DNS tampering. MPT is ignoring the DNS requests to the blocked domains, while Telenor is redirecting them to an IP address outside of the country. The mail account hostmaster@urlblocked.pw, published as contact details in DNS, bounces all incoming mails.

Internet 76

Internet Internet Telecommunications DNS 76

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 63

Malware DDOS DNS Advertising 63

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 87

Banking Malware Advertising DNS 87

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. BitSight researchers found significant overlap in the Internet addresses used by those domains and a domain called BHproxies[.]com. WHO’S BEHIND BHPROXIES?

Accountability 229

Accountability Advertising Marketing Malware 229

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. w s, icamis[.]ru ru , and icamis[.]biz.

Cybercrime 209

Cybercrime Banking Computers and Electronics DDOS 209

Security Affairs

OCTOBER 28, 2020

Microsoft announced to have taken down 62 of the original 69 TrickBot C&C servers, seven servers that could not be brought down last week were Internet of Things (IoT) devices. At the end of 2019, researchers spotted a new TrickBot backdoor framework dubbed Anchor that was using the DNS protocol for C2 communications. .”

DNS 104

DNS Banking Advertising IoT 104

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 75

DNS Passwords Advertising Banking 75

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. This time, a similar threat has affected users of one of the most popular search engines in the Chinese internet. transferusee[.]com/onl/mac/<md5_hash>

DNS 99

DNS Advertising Engineering Internet 99

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 91

Cryptocurrency Malware Ransomware Cybercrime 91

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 82

Cryptocurrency DNS Malware Encryption 82

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 60

DNS Advertising Engineering Internet 60

Security Affairs

MARCH 20, 2020

Most of APT28s’ campaigns leveraged spear-phishing and malware-based attacks, the recent mass scanning activity represents a change in the modus operandi of the group. “This report aims to shed light on some of Pawn Storm’s attacks that did not use malware in the initial stages. ” continues the report.

Phishing 137

Phishing Accountability Advertising DNS 137

Security Affairs

OCTOBER 29, 2020

In early 2019, researchers spotted a new TrickBot backdoor framework dubbed Anchor that was using the anchor_dns tool for abusing the DNS protocol for C2 communications. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

Healthcare 143

Healthcare Ransomware Cybercrime Advertising 143

Security Affairs

DECEMBER 12, 2019

“To compromise targeted networks, GALLIUM target unpatched internet-facing services using publicly available exploits and have been known to target vulnerabilities in WildFly/JBoss.” The operators leverage on low cost and easy to replace infrastructure using dynamic-DNS domains and regularly reused hop points.

Telecommunications 67

Telecommunications DNS Malware Advertising 67

eSecurity Planet

JULY 29, 2021

These types of attacks usually involve spoofed emails that attempt to impersonate a legitimate sender and convince the recipient to divulge confidential information or click a link or attachment that’s laced with malware. Any action that the user takes in response usually results in a malware launch or a similar kind of attack.

Social Engineering 127

Social Engineering Engineering Phishing DNS 127

Security Affairs

NOVEMBER 1, 2021

The botnet was created to launch DDoS attacks and to insert advertisements in the legitimate HTTP traffic of the victims, most of which are in China (96%). Qihoo 360’s Netlab Cybersecurity researchers discovered a huge botnet, tracked as Pink, that already infected over 1.6 million devices.

Architecture 124

Architecture DDOS Advertising Firmware 124

Security Affairs

OCTOBER 5, 2020

Unlike other IoT DDoS botnets, Ttint implements 12 remote access functions such as Socket5 proxy for router devices, tampering with router firewall and DNS settings, executing remote custom system commands. ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. ” concludes the report.

IoT 139

IoT Firmware DNS Advertising 139

Security Affairs

DECEMBER 4, 2018

Security experts from Trend Micro discovered that some machine-to-machine (M2M) protocols can be abused to attack IoT and industrial Internet of Things (IIoT) systems. “For data gathering, we played the role of a casual attacker with modest resources, scanning the internet for exposed MQTT brokers and CoAP hosts.

IoT 86

IoT Internet Internet Advertising 86

Security Affairs

OCTOBER 23, 2018

Security experts from Sophos Labs have spotted a new piece of IoT malware tracked as Chalubo that is attempting to recruit devices into a botnet used to launch DDoS attacks. The attackers were using brute-force attacks (using the root:admin credential) on SSH servers to distribute the malware. ” continues the analysis.

IoT 81

IoT DDOS Architecture Malware 81

Security Affairs

APRIL 27, 2020

However, all the original files were replaced by a copy of the malware. The VictoryGate botnet used only subdomains registered at the dynamic DNS provider No-IP to control infected devices. “This will prevent new victims from downloading secondary payloads from the internet. Pierluigi Paganini.

Advertising 104

Advertising DNS Malware Hacking 104

Security Affairs

SEPTEMBER 4, 2019

In addition, we’re shooting for 7x24x365 uptime as we continue to scale with improved Web App Firewalls, Content Deliver Networks (CDNs) around the Globe, Faster and More Secure DNS and CyberDefenseMagazineBackup.com up and running as an array of live mirror sites. Pierluigi Paganini.

DNS 66

DNS Advertising Firewall Mobile 66

Security Affairs

JULY 30, 2019

Even a device that is reaching outbound to the internet could be attacked and taken over. “ According to Shodan , there are over 808K SonicWall firewalls connected to the Internet, representing a similar number of networks that these devices defend.” Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

Risk 73

Risk IoT Firewall DNS 73

Security Affairs

NOVEMBER 21, 2019

It allows users using web browsers to set up user accounts, Apache, DNS, file sharing and much more. Searching with Shodan for internet-exposed Webmin installs, it is possible to find over 233,000 instances, most of them located in the United States, France and Germany. SecurityAffairs – Roboto botnet , malware).

DDOS 81

DDOS System Administration Advertising DNS 81

Vipre

JANUARY 25, 2021

According to the independent institute AV-TEST , the number of total new malware in 2020 increased by 13% compared to the last year, and malware for macOS by 1200% for the same period. An easy way to enhance your online security and privacy is by using a VPN while browsing the internet. Identity Theft Protection Tools.

Identity Theft 40

Identity Theft Backups VPN Antivirus 40

Security Affairs

MAY 18, 2019

The vulnerable routers have remote access enabled by default, a gift for hackers that can perform a broad range of malicious activities, such as change DNS settings and deliver malware. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini. SecurityAffairs – LinkSys, Data leak).

Wireless 87

Wireless IoT DNS Advertising 87

Security Affairs

DECEMBER 20, 2018

The malware tries to connect to the remote host 149.154.157.104 (EDIS-IT IT) through an encrypted SSL channel, then it downloads other components and deletes itself from the filesystem. Registry key created by malware. Figure 2: Complete malware implant folder. Example of execution of the malware. Technical Analysis.

Banking 75

Banking Malware Internet Internet 75

Security Affairs

MARCH 4, 2019

Necurs botnet is currently the second largest spam botnet , it has been active since at least 2012 and was involved in massive campaigns spreading malware such as the Locky ransomware , the Scarab ransomware , and the Dridex banking Trojan. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

DNS 80

DNS Banking Advertising Ransomware 80

Security Affairs

DECEMBER 16, 2018

A new Mac malware combines a backdoor and a crypto-miner. Hackers defaced Linux.org with DNS hijack. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. WordPress botnet composed of +20k installs targets other sites.

DNS 51

DNS Advertising DDOS Government 51

Security Affairs

SEPTEMBER 8, 2019

Some Zyxel devices can be hacked via DNS requests. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. Experts devised advanced SMS phishing attacks against modern Android-based phones. Pierluigi Paganini.

IoT 75

IoT Data breaches DNS Advertising 75

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 104

Malware Adware Spyware Antivirus 104

Security Affairs

APRIL 9, 2019

Too many times turned into fully-featured malware implants by unethical hackers and cyber criminals. Exploring the malware code, we detected multiple evidence indication of the possible belonging malware family: LimeRAT. Figure 9: The persistence mechanisms of the malware. Technical Analysis. C2 retrieval.

Malware 72

Malware Advertising DNS Antivirus 72

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 78

Malware Phishing DNS Engineering 78

SecureList

JUNE 7, 2023

However, recently the group has adopted new methods to deliver its malware. MotW is a Windows security measure — the system displays a warning message when someone tries to open a file downloaded from the internet. The threat actor also seems to be experimenting with new file types to deliver its malware.

DNS 101

DNS Malware Cryptocurrency Retail 101

Security Affairs

AUGUST 6, 2019

HTAs are standalone applications that execute using the same models and technologies of Internet Explorer, but outside of the browser. ”. The malware retrieves the HTA application to run from a remote host behind the Bitly shortening service. Instead, the second chunk hides the next malware stage invocation within a Powershell script.

Malware 64

Malware Advertising DNS Education 64

Security Affairs

APRIL 24, 2020

DDoS protection services provider Radware warns the Hoaxcalls Internet of Things (IoT) botnet has expanded the list of targeted devices, the experts also noticed that the operators implemented new distributed denial of service (DDoS) capabilities. The botnet was initially designed to launch DDoS attacks using UDP, DNS and HEX floods.

DDOS 106

DDOS IoT Advertising DNS 106