Krebs on Security

APRIL 9, 2024

Microsoft today released updates to address 147 security holes in Windows, Office , Azure ,NET Framework , Visual Studio , SQL Server , DNS Server , Windows Defender , Bitlocker , and Windows Secure Boot. “BlackLotus can bypass functionality called secure boot, which is designed to block malware from being able to load when booting up.

DNS 235

DNS Social Engineering Malware Media 235

Security Affairs

JUNE 9, 2022

Researchers uncovered a high stealth Linux malware, dubbed Symbiote, that could be used to backdoor infected systems. Once the malware has infected all the running processes, it provides the threat actor with rootkit capability and supports data-stealing capabilities. “Symbiote is a malware that is highly evasive.

Malware 144

Malware DNS Antivirus Passwords 144

Malwarebytes

MAY 25, 2022

Based on a case study in 2015 , Akamai strengthened the theory that the malware may be of Asian origin based on its targets. Microsoft said that XorDDoS continues to home on Linux-based systems, demonstrating a significant pivot in malware targets. MMD believed the Linux Trojan originated in China.

Malware 133

Malware IoT DDOS DNS 133

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

Malware 250

Malware Cybercrime Internet Internet 250

Security Affairs

FEBRUARY 12, 2024

Once they’re in, they can grab your emails, usernames, passwords, and more. They might even lock you out of your own accounts by resetting your passwords. While they can’t directly read your password, they can still download malware or gather enough information to steal your identity.

DNS 121

DNS VPN Encryption Passwords 121

The Last Watchdog

JUNE 1, 2021

The attackers can also use it for installing malware programs on the victim’s system. The Pharming attacks are carried out by modifying the settings on the victim’s system or compromising the DNS server. In this method of manipulating DNS, the attackers infiltrate the victim’s device and change the local host file.

DNS 210

DNS Phishing Social Engineering Cyber Attacks 210

CyberSecurity Insiders

FEBRUARY 16, 2023

So, to avoid such troubles from file encrypting malware, the following are the steps to follow to protect backups from being corrupted with encryption- Update- It is a known fact that back-up systems are the first to receive OS updates and so admins should subscribe to automatic updates for backup software.

Backups 116

Backups Ransomware DNS Encryption 116

Security Affairs

SEPTEMBER 21, 2022

Russia-linked APT group Sandworm has been observed impersonating telecommunication providers to target Ukrainian entities with malware. Russia-linked cyberespionage group Sandworm has been observed impersonating telecommunication providers to target Ukrainian entities with malware. ” reads the report published by Recorded Future.

Malware 82

Malware Telecommunications DNS Hacking 82

Krebs on Security

FEBRUARY 26, 2023

Web hosting giant GoDaddy made headlines this month when it disclosed that a multi-year breach allowed intruders to steal company source code, siphon customer and employee login credentials, and foist malware on customer websites. What else do we know about the cause of these incidents?

Hacking 262

Hacking Social Engineering Phishing Scams 262

SecureList

JANUARY 22, 2024

We recently caught sight of a new, hitherto unknown, macOS malware family that was piggybacking on cracked software. The latter looks fairly unsophisticated: just a PATCH button that displays a password prompt when clicked. With this URL, the sample made a request to a DNS server as an attempt to get a TXT record for the domain.

Software 102

Software DNS Computers and Electronics Malware 102

Krebs on Security

JANUARY 22, 2019

In July 2018, email users around the world began complaining of receiving spam which began with a password the recipient used at some point in the past and threatened to release embarrassing videos of the recipient unless a bitcoin ransom was paid. ” SAY WHAT? domaincontrol.com, and ns18.domaincontrol.com. domaincontrol.com.

DNS 231

DNS Internet Internet Computers and Electronics 231

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 77

Malware DNS Advertising Cryptocurrency 77

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 255

DNS Penetration Testing Malware Hacking 255

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 75

DNS Malware Firmware Phishing 75

Malwarebytes

JUNE 15, 2022

Symbiote, a new “nearly impossible to detect” Linux malware, targeted financial sectors in Latin America—and the threat actors behind it might have links to Brazil. And this is what sets Symbiote apart from other Linux malware. Furthermore, “Passive DNS records showed that the same IP address was resolved to ns1[.]cintepol[.]link

Malware 62

Malware DNS Banking Engineering 62

Security Affairs

JUNE 22, 2021

Experts defined DirtyMoe as a complex malware that has been designed as a modular system. The operations behind the DirtyMoe botnet rapidly changed since the end of 2020, when the malware authors added a worm module that could increase their activity by spread via the internet to other Windows systems. ” continues the report.

DNS 127

DNS Cryptocurrency Internet Internet 127

Malwarebytes

SEPTEMBER 13, 2023

Although the " unauthorized party" that compromised LastPass users' data was able to steal password vaults, it's likely that they are having a hard time cracking them open. Brute force guessing techniques may be successful for some weak passwords, but it's an approach that quickly runs out of steam.

Phishing 138

Phishing Accountability Passwords Password Management 138

Security Affairs

MARCH 17, 2022

Microsoft released an open-source tool to secure MikroTik routers and check for indicators of compromise for Trickbot malware infections. Microsoft has released an open-source tool, dubbed RouterOS Scanner, that can be used to secure MikroTik routers and check for indicators of compromise associated with Trickbot malware infections.

Malware 118

Malware DNS Passwords Ransomware 118

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. Once infected a router, threat actors have multiple options, such as to perform man-in-the-middle (MITM) attacks—via HTTP hijacking and DNS spoofing—to compromise endpoints and deploy ransomware.

IoT 102

IoT DNS Manufacturing Firmware 102

Malwarebytes

MAY 5, 2022

The technique is really simple as it only requires an email account that sends messages to itself containing stolen credentials for each victim that executed the malware on their computer. Fast forward to 2020, and the threat actor has graduated to malware distributor. Test successful! ” from the same machine. titan.email (.pw

Malware 73

Malware Scams Phishing Accountability 73

SecureList

SEPTEMBER 21, 2023

The first-ever large-scale malware attacks on IoT devices were recorded back in 2008, and their number has only been growing ever since. Attack vectors There are two main IoT infection routes: brute-forcing weak passwords and exploiting vulnerabilities in network services. Unfortunately, users tend to leave these passwords unchanged.

IoT 86

IoT DDOS Passwords Malware 86

Cisco Security

NOVEMBER 3, 2022

Cisco provided automated malware analysis, threat intelligence, DNS visibility and Intrusion Detection; brought together with SecureX. Cleartext Usernames and Passwords. Malware Analysis, through the NetWitness® integration. Domain Name Server (DNS). Voice over IP. Threat Hunting. Malicious Behavior. Dave Glover.

Wireless 67

Wireless DNS Education Encryption 67

Cisco Security

JUNE 13, 2022

For example: IMPACT : An SSH server which supports password authentication is susceptible to brute-forcing attacks. Look for “keyboard-interactive” and “password” methods. Malware,” the machine says with little explanation, followed by a horde of gibberish-looking data of network flows, executable traces, and so on.

DNS 106

DNS Engineering Authentication Malware 106

Security Affairs

NOVEMBER 21, 2021

Researchers discovered 11 malicious Python packages in the PyPI repository that can steal Discord access tokens, passwords, and conduct attacks. Below is the list of malicious Python packages: importantpackage / important-package pptest ipboards owlmoon DiscordSafety trrfab 10Cent10 / 10Cent11 yandex-yt yiffparty.

DNS 141

DNS Passwords Malware Hacking 141

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

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.

DNS 71

DNS Passwords Advertising Banking 71

Cisco Security

AUGUST 12, 2021

For several years, Cisco Secure provided DNS visibility and architecture intelligence with Cisco Umbrella and Cisco Umbrella Investigate ; and automated malware analysis and threat intelligence with Cisco Secure Malware Analytics (Threat Grid) , backed by Cisco Talos Intelligence and Cisco SecureX. Malware Analysis.

DNS 136

DNS Firewall Phishing Mobile 136

Identity IQ

MARCH 9, 2023

The hacker is following the victim’s keystrokes every step of the way, including taking note of any usernames, passwords and financial information the victim is typing. Connecting to a fake hotspot may unknowingly give criminals access to your personal information, including passwords, bank account information, and other sensitive data.

VPN 96

VPN Antivirus Identity Theft DNS 96

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.

Cybercrime 205

Cybercrime Banking Computers and Electronics DDOS 205

Webroot

MARCH 29, 2021

We learned, for instance, that even IT pros could use a refresher on basic password hygiene through security awareness training. Firewalls embed threat intelligence and DNS security solutions are used to both block malware and control internet use. DNS security solutions are one way of addressing this risk.

Hacking 116

Hacking DNS Firewall Malware 116

Security Affairs

MAY 6, 2023

Twitter confirmed that a security incident publicly exposed Circle tweets FBI seized other domains used by the shadow eBook library Z-Library WordPress Advanced Custom Fields plugin XSS exposes +2M sites to attacks Fortinet fixed two severe issues in FortiADC and FortiOS Pro-Russia group NoName took down multiple France sites, including the French (..)

Data breaches 94

Data breaches Malware Mobile Spyware 94

SecureList

OCTOBER 25, 2023

Introduction It’s just another cryptocurrency miner… Nobody would even suspect the mining malware was merely a mask, masquerading behind an intricate modular framework that supports both Linux and Windows. This malware employed a custom EternalBlue SMBv1 exploit to infiltrate its victims’ systems.

Malware 107

Malware DNS Encryption Cryptocurrency 107

Security Affairs

OCTOBER 21, 2019

Security experts have a new malware, dubbed skip-2.0 Security experts at ESET have discovered a new malware, dubbed skip-2.0, malware was used by threat actors to establish a backdoor in MSSQL Server 11 and 12 servers, allowing them to access to any account on the server using a “magic password.” The skip-2.0

Malware 46

Malware Passwords Advertising DNS 46

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

Malwarebytes

FEBRUARY 24, 2023

Next, the site directs you to a tailored password page, using the information you just entered. For example, entering a Gmail address leads to a page asking for the Gmail password. Enter a Microsoft address, and you'll be directed to a Microsoft-centric password request page, and so on. Use a password manager.

Phishing 94

Phishing Passwords Password Management Scams 94

Security Affairs

MAY 11, 2023

. “Successful exploits could allow attackers to monitor users’ internet activity, highjack internet connections and redirect traffic to malicious websites or inject malware into network traffic. These vulnerabilities require an attacker to have your WiFi password or an Ethernet connection to your network to be exploited.”

Hacking 95

Hacking Firmware Authentication DNS 95

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 90

Cryptocurrency Malware Ransomware Cybercrime 90