Krebs on Security

MARCH 31, 2020

PT Monday evening, Escrow.com’s website looked radically different: Its homepage was replaced with a crude message in plain text: The profanity-laced message left behind by whoever briefly hijacked the DNS records for escrow.com. Running a reverse DNS lookup on this 111.90.149[.]49 Image: Escrow.com.

Phishing 282

Phishing DNS Social Engineering Accountability 282

Krebs on Security

JULY 13, 2021

CVE-2021-34448 is a critical remote code execution vulnerability in the scripting engine built into every supported version of Windows — including server versions. ” Another concerning critical vulnerability in the July batch is CVE-2021-34494 , a dangerous bug in the Windows DNS Server that earned a CVSS score (severity) of 9.8

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DNS Engineering Internet Internet 270

Krebs on Security

OCTOBER 11, 2022

Indeed, Satnam Narang , senior staff research engineer at Tenable , notes that almost half of the security flaws Microsoft patched this week are elevation of privilege bugs. Microsoft says that to exploit this vulnerability an attacker would need to know the randomly generated DNS endpoint for an Azure Arc-enabled Kubernetes cluster.

DNS 265

DNS Internet Internet Cyber threats 265

SecureList

DECEMBER 18, 2020

For instance, before making the first internet connection to its C2s, the Sunburst malware lies dormant for a long period, of up to two weeks, which prevents an easy detection of this behavior in sandboxes. In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. avsvmcloud[.]com”

DNS 74

DNS Telecommunications Malware Encryption 74

The Last Watchdog

JUNE 1, 2021

It is a type of social engineering cyberattack in which the website’s traffic is manipulated to steal confidential credentials from the users. The Pharming attacks are carried out by modifying the settings on the victim’s system or compromising the DNS server. DNS Poisoning. Use a reliable DNS server.

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DNS Phishing Social Engineering Cyber Attacks 215

Krebs on Security

MARCH 9, 2023

The site’s true WHOIS registration records have always been hidden by privacy protection services, but there are plenty of clues in historical Domain Name System (DNS) records for WorldWiredLabs that point in the same direction. A review of DNS records for both printschoolmedia[.]org DNS records for worldwiredlabs[.]com

DNS 241

DNS Cybercrime Passwords Accountability 241

Krebs on Security

APRIL 4, 2024

Other Privnote phishing domains that also phoned home to the same Internet address as pirwnote[.]com com is currently selling security cameras made by the Chinese manufacturer Hikvision , via an Internet address based in Hong Kong. Searching DomainTools for domains that include both of these terms reveals pirwnote[.]com.

Phishing 211

Phishing Cryptocurrency DDOS Internet 211

Malwarebytes

AUGUST 13, 2021

It should do this without slowing your Internet too noticeably. Your Internet Service Provider (ISP) assigns a unique IP address to your router, the device that connects the computers, phones, and tablets in your house to the Internet. Ensure that your VPN is disconnected and visit a search engine like DuckDuckGo.

VPN 103

VPN DNS Internet Internet 103

Krebs on Security

OCTOBER 4, 2021

We don’t yet know why this happened, but the how is clear: Earlier this morning, something inside Facebook caused the company to revoke key digital records that tell computers and other Internet-enabled devices how to find these destinations online. Kentik’s view of the Facebook, Instagram and WhatsApp outage. Update, 6:16 p.m.

Internet 359

Internet Internet DNS Marketing 359

CyberSecurity Insiders

MAY 18, 2022

Not long ago, it was revealed that T-Mobile had been breached by bad actors who convinced employees to switch their SIM cards to let them bypass two-factor identification — reminding us how effective social engineering can still be. So why aren’t more organizations taking advantage of protective DNS?

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DNS Cybersecurity CISO Social Engineering 140

Security Boulevard

JUNE 22, 2023

Securing SMB Success: The Indispensable Role of Protective DNS Cyber attacks pose as much risk to small and medium-sized businesses (SMBs) as they do to large organizations — if not more. Implementing a Domain Name Service (DNS) security solution is the most efficient way to protect your business against a wide variety of attacks.

DNS 57

DNS Small Business Cyber Attacks Antivirus 57

Security Affairs

JUNE 22, 2021

The DirtyMoe rootkit was delivered via malspam campaigns or served by malicious sites hosting the PurpleFox exploit kit that triggers vulnerabilities in Internet Explorer, such as the CVE-2020-0674 scripting engine memory corruption vulnerability. ” continues the report. . ” concludes the analysis.”

DNS 127

DNS Cryptocurrency Internet Internet 127

SC Magazine

APRIL 12, 2021

Name:Wreck adds a second layer of complexity – a common misinterpretation of the DNS standards involving memory pointers and message compression. . If you look at DNS, the original document is from 1983 and then there are several other scattered documents that talk about other ways to prevent problems.

DNS 108

DNS Internet Internet Media 108

eSecurity Planet

FEBRUARY 19, 2024

Among the vulnerabilities is CVE-2024-21412 , an Internet Shortcut Files flaw that allows an unauthenticated attacker to send a malicious file to a user. It bypasses Internet Shortcut Files’ security measures. The problem: Microsoft patched 73 vulnerabilities in its most recent Patch Tuesday event, which occurs every month.

VPN 111

VPN DNS Ransomware Software 111

Security Affairs

MAY 16, 2023

The researchers discovered eight vulnerabilities that impact thousands of internet-connected devices worldwide. The experts demonstrated multiple attack vectors, including the exploitation of flaws in internet-exposed services, cloud account takeover, and the exploitation of flaws in the cloud infrastructure. through 00.07.03.4

Hacking 92

Hacking Internet Internet Manufacturing 92

Krebs on Security

FEBRUARY 26, 2023

GoDaddy described the incident at the time in general terms as a social engineering attack, but one of its customers affected by that March 2020 breach actually spoke to one of the hackers involved. Thus, the second factor cannot be phished, either over the phone or Internet.

Hacking 260

Hacking Social Engineering Phishing Scams 260

Schneier on Security

FEBRUARY 14, 2020

Interesting collision of real-world and Internet security: The ceremony sees several trusted internet engineers (a minimum of three and up to seven) from across the world descend on one of two secure locations -- one in El Segundo, California, just south of Los Angeles, and the other in Culpeper, Virginia -- both in America, every three months.

Internet 331

Internet Internet Engineering DNS 331

SecureWorld News

MARCH 29, 2024

At its core, this tactic revolves around gaming the trust users put in reputable internet services, including search engines, and the familiarity they have with online advertising per se. One way or another, the fact persists that search engine abuse can amplify the problem.

Cybercrime 80

Cybercrime Advertising Engineering Antivirus 80

Krebs on Security

NOVEMBER 21, 2020

“This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts. “Our security team investigated and confirmed threat actor activity, including social engineering of a limited number of GoDaddy employees. ” In the early morning hours of Nov. and 11:00 p.m.

Cryptocurrency 363

Cryptocurrency VPN Scams Social Engineering 363

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 93

Technology DNS Encryption Authentication 93

SecureList

MARCH 13, 2024

This time, a similar threat has affected users of one of the most popular search engines in the Chinese internet. However, we know for sure that this server has another subdomain, dns[.]transferusee[.]com Communication with the C2 server dns[.]transferusee[.]com transferusee[.]com/onl/mac/<md5_hash> transferusee[.]com/onl/lnx/<md5_hash>

DNS 94

DNS Advertising Engineering Internet 94

Malwarebytes

FEBRUARY 11, 2021

They will look for dependencies locally, on the computer where a project resides, and they will check the package manager’s public, Internet-accessible, directory. Getting the information to his own server from deep inside well-protected corporate networks posed yet another problem which was solved by using DNS exfiltration.

Hacking 128

Hacking DNS Unstructured Data Social Engineering 128

Krebs on Security

AUGUST 2, 2022

With the recent demise of several popular “proxy” services that let cybercriminals route their malicious traffic through hacked PCs, there is now something of a supply chain crisis gripping the underbelly of the Internet. A review of the Internet addresses historically used by Super-socks[.]biz Image: Spur.us.

Malware 249

Malware Cybercrime Internet Internet 249

Malwarebytes

OCTOBER 19, 2022

” Quickly summarized, this means an attacker with a successful exploit could extract information from the memory, set up internet connections, and execute arbitrary commands. Starting with version 1.5 and continuing through 1.9, Similarities.

DNS 74

DNS Engineering Internet Internet 74

CyberSecurity Insiders

DECEMBER 21, 2022

By Marcos Lira, Lead Sales Engineer at Halo Security. ESG Research says 69% of organizations have suffered a cyberattack that began with the exploitation of an unknown, unmanaged, or misconfigured internet-facing asset. Nearly 10 years ago, Mark Zuckerberg pivoted away from a phrase he coined : “Move fast and break things.”

Internet 131

Internet Internet Risk DNS 131

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

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 296

VPN Computers and Electronics Antivirus Software 296

Security Boulevard

OCTOBER 2, 2023

This blog examines the escalating phishing landscape, shortcomings of common anti-phishing approaches, and why implementing a Protective DNS service as part of a layered defense provides the most effective solution. This staggering figure represents more than 59 percent of the losses from the top five most costly internet crimes worldwide.

DNS 62

DNS Phishing Social Engineering Engineering 62

Google Security

MAY 25, 2023

Their technical expertise guarantees they'll be able to scale to meet the needs of an increasingly encrypted Internet," says Matthew Prince, CEO, Cloudflare. ARI is an Internet Engineering Task Force (IETF) Internet Draft authored by Let’s Encrypt as an extension to the ACME protocol.

Encryption 87

Encryption Internet Internet DNS 87

SiteLock

AUGUST 27, 2021

This is a huge security win for WordPress.com users and the Internet at large. With a simple DNS change and SSL cert approval, SiteLock TrueShield WAF protects sites, WordPress.com or otherwise, from malicious traffic, suspicious bots, scrapers and spam comments. Speaking of blacklists, the final security upgrade is a spam scan.

DNS 52

DNS Firewall Malware Engineering 52

Malwarebytes

OCTOBER 16, 2022

At least one Google engineer claims that this isn’t a major concern, is intended functionality, and will continue as is for the time being. Because VPNs run on top of whatever Internet-connected network you are on, so you have to join a network before you can establish your VPN connection. Worse, it leaks DNS requests.

VPN 75

VPN DNS Encryption Engineering 75

Security Affairs

DECEMBER 18, 2019

The Momentum bot achieves persistence by modifying the ‘ rc’ files, then connect to command and control (C&C) server and to an internet relay chat (IRC) channel called #HellRoom to register itself and accept commands. “The distribution server (as seen above) hosts the malware executables. .

Malware 62

Malware DDOS DNS Advertising 62

Security Affairs

JULY 11, 2022

A large-scale phishing campaign is targeting Internet-end users in Brazil and Portugal since March 2022. Figure 2 presents an example of an SMS sent to Internet end-users during the ANUBIS social engineering wave. Figure 2: Example of SMS sent during the social engineering wave. The Phishing template.

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Phishing Social Engineering Banking Engineering 100

SecureList

DECEMBER 2, 2022

VirusTotal ), network system search engines (e.g., Onyphe ), passive DNS databases, public sandbox reports, etc. Such activities include reverse-engineering or live malicious implant execution in controlled environments. Analysts can search those sources the same way as proprietary data. How does GReAT consume IOCs?

Cyber threats 103

Cyber threats DNS Technology Engineering 103

eSecurity Planet

JANUARY 28, 2022

In addition, the DDoS activity also was unprecedented in its complexity and frequency, Anupam Vij, principal PM manager, and Syed Pasha, principal network engineer, both with Azure Networking, wrote in the blog post. There was one peak in the attack, which lasted about 15 minutes. Two Other Big DDoS Attacks. Gaming Industry a Top DDoS Target.

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DDOS IoT Engineering DNS 136

Security Affairs

OCTOBER 27, 2022

This instance left sensitive data open and was already indexed via popular IoT [internet of things] search engines. This instance left sensitive data open and was already indexed via popular IoT search engines. IoT search engines did not show any results for the Thomson Reuters instance before that day.

IoT 115

IoT Engineering Passwords Media 115

eSecurity Planet

MARCH 9, 2023

These complex multi-location entities often deploy local networks, virtual computing environments, cloud infrastructure, and a variety of devices that classify into the internet of things (IoT) and operational technology (OT) categories. Some even deploy applications, web servers, and containers.

Penetration Testing 96

Penetration Testing IoT Engineering Risk 96