Krebs on Security

AUGUST 23, 2024

At issue is a well-known security and privacy threat called “ namespace collision ,” a situation where domain names intended to be used exclusively on an internal company network end up overlapping with domains that can resolve normally on the open Internet. Alas, in 2018, the.llc TLD was born and began selling domains. SSL/TLS certs).

DNS 310

DNS Internet Internet Authentication 310

Troy Hunt

JULY 12, 2018

In one of many robust internet debates (as is prone to happen on Twitter), the discussion turned to the value proposition of HTTPS on a static website. — Troy Hunt (@troyhunt) July 5, 2018. This is from CVE-2018-12529 and the sample exploit was taken from the SecurityResearch101 blog. DNS Hijacking. Is it needed?

DNS 275

DNS Wireless Risk Banking 275

Krebs on Security

JUNE 14, 2022

A 33-year-old Illinois man was sentenced to two years in prison today following his conviction last year for operating services that allowed paying customers to launch powerful distributed denial-of-service (DDoS) attacks against hundreds of thousands of Internet users and websites. The user interface for Downthem[.]org. Matthew Gatrel of St.

DDOS 157

DDOS DNS Internet Internet 157

Security Affairs

FEBRUARY 16, 2019

Russia plans to disconnect the country from the internet as part of an experiment aimed at testing the response to cyber attacks that should isolate it. Russia plans to conduct the country from the Internet for a limited period of time to conduct a test aimed at assessing the security of its infrastructure. ” reported ZDNet.

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Internet Internet DNS Cyber Attacks 111

Security Affairs

DECEMBER 24, 2019

Russia successfully disconnected from the internet. Russia’s government announced that it has successfully concluded a series of tests for its RuNet intranet aimed at country disconnection from the Internet. One of them is checking the integrity and security of the Internet as a result of external negative influences.”

Internet 98

Internet Internet DNS Surveillance 98

The Last Watchdog

AUGUST 27, 2018

Distributed denial of service (DDoS) attacks continue to erupt all across the Internet showing not the faintest hint of leveling off, much less declining, any time soon. Related video: How DDoS attacks leverage the Internet’s DNA. This is borne out by Akamai Technologies’ Summer 2018 Internet Security/Web Attack Report.

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DDOS IoT Digital transformation Internet 255

CSO Magazine

APRIL 19, 2023

The Domain Name System (DNS) is often referred to as the phone book of the internet. DNS translates web addresses, which people use, into IP addresses, which machines use. But DNS was not designed with security in mind. This has only worsened with the adoption of encrypted DNS, known as DNS-over-HTTPS (DoH).

DNS 70

DNS Encryption Internet Internet 70

Security Affairs

JUNE 22, 2021

The Windows botnet has been active since late 2017, it was mainly used to mine cryptocurrency, but it was also involved in DDoS attacks in 2018. The module that implements the warm capabilities was spotted scanning the internet and performing password brute-force attacks against Windows systems with SMB port open online.

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DNS Internet Internet Malware 145

Malwarebytes

DECEMBER 1, 2023

The list includes Amazon (banned in 2018), Google (2018), Microsoft (2022), and Cloudflare (2015). For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name. They are also known as content distribution networks.

DNS 126

DNS Internet Internet Encryption 126

Security Affairs

NOVEMBER 26, 2019

The flaw discovered by SEC Consult Vulnerability Lab researchers has been tracked as CVE-2018-9195, the experts also published a proof-of-concept (PoC) code to trigger it. “ Fortinet products, including FortiGate and Forticlient regularly send information to Fortinet servers (DNS: guard.fortinet.com) on.

Encryption 144

Encryption Antivirus Advertising DNS 144

Krebs on Security

DECEMBER 19, 2024

Cyber threat analysts at Silent Push said they recently received reports from a partner organization that identified an aggressive scanning effort against their website using an Internet address previously associated with a campaign by FIN7 , a notorious Russia-based hacking group. co — first came online in February 2023.

Hacking 149

Hacking Cybercrime Advertising Data breaches 149

Security Affairs

AUGUST 9, 2018

The Internet Systems Consortium (ISC) announced the presence of a serious flaw in the BIND DNS software that can be exploited by remote attackers to cause a denial-of-service (DoS) condition. The vulnerability tracked as CVE-2018-5740 was discovered by Tony Finch of the University of Cambridge. Pierluigi Paganini.

DNS 71

DNS Software Advertising Internet 71

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. Ryuk first appeared in the threat landscape in August 2018 as a derivative of the Hermes 2.1

Healthcare 145

Healthcare Ransomware Cybercrime Advertising 145

Krebs on Security

FEBRUARY 26, 2023

The hackers were able to change the Domain Name System (DNS) records for the transaction brokering site escrow.com so that it pointed to an address in Malaysia that was host to just a few other domains, including the then brand-new phishing domain servicenow-godaddy[.]com.

Hacking 309

Hacking Social Engineering Phishing Scams 309

Krebs on Security

JULY 3, 2023

However, searching passive DNS records at DomainTools.com for thedomainsvault[.]com SammySam_Alon registered at Houzz using an Internet address in Huntsville, Ala. In 2018, KrebsOnSecurity published How Internet Savvy are Your Leaders? Thedomainsvault[.]com 68.35.149.206).

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Scams Business Services Accountability Marketing 276

Krebs on Security

AUGUST 25, 2018

On August 7, 2018, a user on the forum of free email service hMailServer posted a copy of the sextortion email he received, noting that it included a password he’d formerly used online. All of those two-name domains used domain name servers (DNS servers) from uscourtsgov-dot-com at the time these emails were sent. uscourtsgov[.]com.

Scams 133

Scams Internet Internet Passwords 133

Security Affairs

JULY 27, 2020

In December 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. Some of the attacks observed by the experts peaked more than 350 Gigabits per second (Gbps, according to open-source reporting.

DDOS 142

DDOS IoT Internet Internet 142

Security Affairs

JANUARY 24, 2019

Between September and December 2018 the experts observed a variant of the Redaman banking malware that was in Russian language and that was distributed via spam campaigns. “Since September of 2018, Redaman banking malware has been distributed through malspam. . ” Palo Alto Networks concludes.

Banking 110

Banking Malware Advertising DNS 110

Security Affairs

NOVEMBER 9, 2020

Experts attribute the attack to a known threat actor tracked as xHunt , aka Hive0081, which was first discovered in 2018. “The Snugy backdoor uses a DNS tunneling channel to run commands on the compromised server. ” reads the analysis published by the experts. <C2 domain>.

DNS 140

DNS Accountability Government Cyber Attacks 140

Cisco Security

AUGUST 12, 2021

This requires a robust connection to the Internet (Lumen and Gigamon), firewall protection (Palo Alto Networks), segmented wireless network (Commscope Ruckus) and network full packet capture & forensics and SIEM (RSA NetWitness); with Cisco providing cloud-based security and intelligence support. DNS traffic at Record Low.

DNS 137

DNS Firewall Malware Phishing 137

Security Affairs

NOVEMBER 29, 2019

The new “ Hi-Tech Crime Trends 2019/2020 ” report describes attacks on various industries and critical infrastructure facilities, as well as campaigns aimed at destabilization of the Internet in certain countries. Internet destabilization at state level. As for 2019, it has become the year of covert military operations in cyberspace.

Banking 127

Banking Telecommunications Marketing Internet 127

Security Affairs

FEBRUARY 23, 2019

A user reported that its D-Link DNS-320 device was infected by malicious code. The D-Link DNS-320 model is no more available for sale, one of the members of the forum explained that the firmware of its NAS was never updated and its device was exposed to WAN through ports 8080, FTP port 21, and a range of ports for port forwarding.

Ransomware 111

Ransomware DNS Firmware Encryption 111

Krebs on Security

NOVEMBER 4, 2018

In Internet ages past, this often meant obfuscating it as giant blobs of gibberish text that was obvious even to the untrained eye. In September, Symantec said it blocked almost a quarter of a million instances of attempted formjacking since mid-August 2018.

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Antivirus Hacking Internet Internet 241

CyberSecurity Insiders

MARCH 21, 2021

Back in 2018, almost two-thirds of the small businesses suffered from cyber security attacks. . One of the most common mistakes made by small businesses is that they adopt all new IT equipment and computers but leave their internet and Wi-Fi susceptible to external threats. Ensure Network Security . Final Thoughts. .

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Small Business Cyber Attacks VPN Backups 145

Security Affairs

JANUARY 29, 2019

Early January, security experts at FireEye uncovered a DNS hijacking campaign that was targeting government agencies, ISPs and other telecommunications providers, Internet infrastructure entities, and sensitive commercial organizations in the Middle East, North Africa, North America and Europe.

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Cyber Attacks Telecommunications Advertising DNS 104

Krebs on Security

JUNE 21, 2023

guru’s registration records also are hidden, yet passive domain name system (DNS) records for both cryptor[.]biz guru show that in 2018 the domains were forwarding incoming email to the address obelisk57@gmail.com. The registration records for the website Cryptor[.]biz ” Crypt[.]guru’s biz and crypt[.]guru

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Malware Antivirus Cybercrime Hacking 251

Security Affairs

NOVEMBER 3, 2019

This week a controversial law entered into effect in Russia, it would allow the government to cut internet traffic from the global Internet. This week a controversial law entered into effect in Russia, it would allow the Russian government to disconnect the country from the global Internet.

Internet 72

Internet Internet DNS Government 72

Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi. Figure 19-Generic ransomware detection.

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Ransomware DNS Encryption Backups 128

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 GALLIUM threat actor is active, but its activity was more intense between 2018 and mid-2019. ” continues the analysis.

Telecommunications 97

Telecommunications DNS Malware Advertising 97

Security Affairs

DECEMBER 16, 2018

Hackers defaced Linux.org with DNS hijack. New threat actor SandCat exploited recently patched CVE-2018-8611 0day. Which are the worst passwords for 2018? A new Mac malware combines a backdoor and a crypto-miner. Duke-Cohan sentenced to three years in prison due to false bomb threats and DDoS. WordPress version 5.0.1

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DNS Advertising DDOS Government 87

eSecurity Planet

JULY 29, 2024

This week, we also saw some older issues return to light, including an Internet Explorer vulnerability first discovered in 2012. A Microsoft SmartScreen vulnerability from earlier this year resurfaced, and a Docker flaw from 2018 is still causing issues in a newer version of the software.

Internet 98

Internet Internet Accountability Software 98

Security Boulevard

JUNE 20, 2024

There’s no shortage of researchable financial cybercrime on the internet. Passive DNS: The Context of IP Addresses When threat actors target financial institutions using ransomware, they deploy it via multiple IP addresses. This process of translation is known as resolution: DNS resolves to IPs. Download the use cases 1.

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Cyber Attacks DNS Phishing Cyber threats 69

Security Affairs

JULY 7, 2019

Germany and the Netherlands agreded to build TEN, the first ever joint military internet. Germany and the Netherlands agreed to build TEN, the first ever joint military internet. Sodin Ransomware includes exploit for Windows CVE-2018-8453 bug. Godlua backdoor, the first malware that abuses the DNS over HTTPS (DoH).

Scams 77

Scams Advertising Spyware DNS 77

Security Affairs

SEPTEMBER 17, 2018

In April 2018, while monitoring public data feeds, we noticed an interesting and previously unknown backdoor using HackingTeam’s leaked RCS source code.” The scanner component also scans the Internet for servers that run services that have been left online exposed without a password or are using weak credentials.

Cryptocurrency 111

Cryptocurrency Malware Ransomware Cybercrime 111

eSecurity Planet

MAY 24, 2023

A successful DKIM check also verifies ownership of the email by matching the organization in the “from” fields of the email with the DNS associated with the organization. DKIM Fundamentals The Internet Engineering Task Force (IETF) publishes full information on the DKIM and its standards, which were last updated in 2011.

Technology 86

Technology DNS Encryption Authentication 86

Security Affairs

DECEMBER 20, 2018

Security firms such as Proofpoint and Eset analyzed other samples of the same threat targeting the Australian landscape back in May 2018 and, more recently, in Italy. This way, it inspects all incoming and outgoing internet traffic. In the last weeks, a new variant of the infamous Danabot botnet hit Italy. Man in the Browser.

Banking 108

Banking Malware Internet Internet 108

eSecurity Planet

MARCH 25, 2022

Also read : Best Internet Security Suites & Software. Between 2016 and 2018, the malware strain SamSam made brute force RDP attacks an integral part of its attacks on several public organizations. On a Sunday in February 2018, the Colorado CISO’s office set up a temporary server to test a new cloud-based business process.

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VPN Software Authentication Encryption 118