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.

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DNS Small Business Cyber Attacks Antivirus 57

Security Affairs

AUGUST 18, 2021

In July, researchers from Fortinet reported that a new ransomware family, tracked as Diavol, might have been developed by Wizard Spider , the cybercrime gang behind the TrickBot botnet. However, Fortinet researchers that analyzed the malware discovered that ransomware operators have yet to implement data-stealing capabilities.

Ransomware 100

Ransomware DNS Cybercrime Malware 100

Security Affairs

JANUARY 13, 2022

The malware campaign was spotted by Cisco Talos in October 2021, most of the victims were located in the United States, Italy and Singapore. “To deliver the malware payload, the actor registered several malicious subdomains using DuckDNS, a free dynamic DNS service. ” reads the analysis published by Talos.

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DNS Malware Cybercrime Ransomware 111

Security Affairs

JANUARY 20, 2022

“The FBI first learned of Diavol ransomware in October 2021. Operators continue to offer the botnet through a multi-purpose malware-as-a-service (MaaS) model. Threat actors leverage the botnet to distribute a broad range of malware including info-stealer and ransomware such as Conti and Ryuk.

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Ransomware Banking Malware Encryption 110

Security Affairs

SEPTEMBER 18, 2021

The group is suspected to have been running successful malware campaigns for more than five years. The attackers have used off-the-shelf malware since the beginning of their operations and have never developed their own malware. — Microsoft Security Intelligence (@MsftSecIntel) May 11, 2021. Pierluigi Paganini.

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Malware Phishing DNS Cybercrime 98

Security Affairs

JANUARY 16, 2021

Joker’s Stash to shut down on February 15, 2021. Joker’s Stash, the largest carding marketplace online announced that it was shutting down its operations on February 15, 2021. Joker’s Stash, the largest carding marketplace online, announced that its operations will shut down on February 15, 2021. Image source FlashPoint.

Cybercrime 76

Cybercrime DNS Hacking Marketing 76

eSecurity Planet

AUGUST 8, 2022

A public key is stored with the Domain Name System (DNS) for download by any email server receiving emails with the encrypted digital signature. SPF email authentication counters spoofing by publishing to DNS records a list of email-sending Internet Protocol (IP) addresses authorized by the sending domain. What is SPF?

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DNS Phishing Authentication Marketing 117

Security Affairs

NOVEMBER 5, 2021

Over the past months, other ransomware gangs, including Conti and Lockfile , exploited ProxyShell flaws to deliver their malware. The attacks spotted by Cisco Talos were carried out by a Babuk ransomware affiliate tracked as Tortilla that has been active since at least July 2021. The ransomware maybe born from the leaked #Babuk code.

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Security Affairs

JANUARY 29, 2023

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DNS Data breaches Hacking Backups 87

Krebs on Security

JULY 18, 2022

These services can be used in a legitimate manner for several business purposes — such as price comparisons or sales intelligence — but they are massively abused for hiding cybercrime activity because they can make it difficult to trace malicious traffic to its original source. “The 911[.]re FORUM ACTIVITY?

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VPN Computers and Electronics Antivirus Software 312

Vipre

JANUARY 25, 2021

Here are 5 common security tools that you must have in 2021 to protect your digital world. 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.

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Identity Theft Backups VPN Antivirus 40

Security Affairs

FEBRUARY 14, 2021

.” One month ago, Joker’s Stash announced that its operations will shut down on February 15, 2021. The administrator announced the decision via messages posted on various cybercrime forums. The sized sites were at jstash.bazar, jstash.lib, jstash.emc, and jstash.coin, which are all those accessible via blockchain DNS.

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Cybercrime Backups Hacking DNS 98

SecureList

DECEMBER 8, 2022

Just to clarify, the subheading isn’t a normal quote, but a message that Janicab malware attempted to decode in its newest use of YouTube dead-drop resolvers (DDRs). Janicab was first introduced in 2013 as malware able to run on MacOS and Windows operating systems. Janicab 1.2.9a. Janicab 1.1.2. LNK files structure comparison.

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Malware DNS Engineering Internet 111

Security Affairs

SEPTEMBER 13, 2021

“In August 2021, we at Intezer discovered a fully undetected ELF implementation of Cobalt Strike’s beacon , which we named Vermilion Strike. Upon installing the sample, the malware will run in the background using daemon and decrypt the configuration necessary for the beacon to function. ” continues the analysis.

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Penetration Testing DNS Malware Hacking 97

SecureList

AUGUST 30, 2023

Both infection methods resulted in the same malware (the DeathNote downloader), which uploaded the target’s information and retrieved the next-stage payload at the discretion of the C2 (Command and Control) server. In early June 2021, the Lazarus group began utilizing a new infection mechanism against targets in South Korea.

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Malware Spyware Cryptocurrency Government 80

Security Affairs

JUNE 26, 2023

The Volt Typhoon group has been active since at least mid-2021 it carried out cyber operations against critical infrastructure. In September 2021, Zoho released a security patch to address an authentication bypass vulnerability, tracked as CVE-2021-40539, in its ManageEngine ADSelfService Plus.

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DNS Manufacturing Education Authentication 81

Security Affairs

AUGUST 29, 2023

The attackers attempted to verify outbound network connectivity with a ping command and executed host commands for a subnet-wide DNS lookup. 189) for malware staging and a second C2 IP (85.239.53[.]49) Network-segmentation controls blocked this activity too. Threat actors also use a C2 IP address (45.66.248[.]189)

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VPN Ransomware DNS Malware 104

Security Affairs

AUGUST 22, 2021

million customers Adobe addresses two critical vulnerabilities in Photoshop Hamburg’s data protection agency (DPA) states that using Zoom violates GDPR Kalay cloud platform flaw exposes millions of IoT devices to hack Fortinet FortiWeb OS Command Injection allows takeover servers remotely 1.9

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Data breaches Mobile Ransomware DNS 100

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. Business Email Compromise (BEC), a type of phishing attack, results in the greatest financial losses of any cybercrime.

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DNS Phishing Social Engineering Engineering 62

eSecurity Planet

JUNE 1, 2023

A DMARC policy is included in a DNS record for a given domain, enabling the sender to specify if messages are protected by SPF or DKIM. DMARC Record The DMARC record publishes to an organization’s DNS record so it is publicly available for email servers to check. How Does DMARC Work?

Technology 96

Technology Authentication DNS Phishing 96

SecureList

JUNE 2, 2022

In their initial disclosures on this threat actor, TeamT5 identified three malware families: SpyDealer, Demsty and WinDealer. In 2020, we discovered a whole new distribution method for the WinDealer malware that leverages the automatic update mechanism of select legitimate applications. WinDealer is a modular malware platform.

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Malware Encryption Social Engineering Telecommunications 125

SecureList

JULY 28, 2021

In terms of big news, Q2 2021 was relatively calm, but not completely eventless. The malware creators promoted their brainchild on a specially set-up YouTube channel and Discord server, where they discussed DDoS attacks. This malware is of interest for its use of infected devices as honeypots. News overview.

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DDOS DNS IoT Marketing 140

CyberSecurity Insiders

JANUARY 25, 2022

While nearly 1,200 domains registered in 2021 included Omicron as a keyword, 832 were registered (70%) in a two-week timeframe between November 26 and December 9, with numerous domains causing traffic misdirection and redirection, soliciting donations, or promoting cryptocurrency investments.

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Artificial Intelligence Phishing Technology DNS 52

Security Affairs

FEBRUARY 5, 2021

The TeamTNT hacker group has been employing a new piece of malware, dubbed Hildegard, to target Kubernetes installs. The hacking group TeamTNT has been employing a new piece of malware, dubbed Hildegard, in a series of attacks targeting Kubernetes systems. The malware deploys the XMRig mining tool to mine Monero cryptocurrency.

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Malware DNS Cryptocurrency Internet 109

SecureList

FEBRUARY 10, 2022

Q4 2021 saw the appearance of several new DDoS botnets. In some cases, DNS amplification was also used. The botnet hijacked new devices by exploiting the CVE-2021-22205 vulnerability, which GitLab patched in April 2021, and carried out DDoS attacks of over 1TB/s. News roundup. beta9 to 2.14.1,

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DDOS Cryptocurrency Marketing Accountability 119

SecureList

APRIL 27, 2022

Disclaimer: when referring to APT groups as Russian-speaking, Chinese-speaking or other-“speaking” languages, we refer to various artefacts used by the groups (such as malware debugging strings, comments found in scripts, etc.) On February 23, ESET published a tweet announcing new wiper malware targeting Ukraine.

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Malware Firmware Government Phishing 137

SecureList

APRIL 27, 2021

This is our latest installment, focusing on activities that we observed during Q1 2021. In our initial report on Sunburst , we examined the method used by the malware to communicate with its C2 (command-and-control) server and the protocol used to upgrade victims for further exploitation. The most remarkable findings.

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Malware Spyware Government Social Engineering 143

Cisco Security

AUGUST 29, 2022

25+ Years of Black Hat (and some DNS stats), by Alejo Calaoagan. Cisco is a Premium Partner of the Black Hat NOC , and is the Official Wired & Wireless Network Equipment, Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider of Black Hat. Cisco Secure Malware Analytics (formerly Threat Grid).

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DNS Wireless Malware Firewall 75

eSecurity Planet

FEBRUARY 8, 2021

Don Duncan, security engineer at NuData Security, told eSecurity Planet by email that POS systems are often dangerously easy to penetrate with malware , including the following (among many others): Dexter was discovered by Seculert (now Radware) researchers in 2012. vSkimmer malware, a successor to Dexter, dates back to 2013.

Retail 52

Retail Encryption Malware Artificial Intelligence 52

eSecurity Planet

DECEMBER 3, 2021

Brian Krebs is an independent investigative reporter known for his coverage of technology, malware , data breaches , and cybercrime developments. Russian software engineer Eugene Kaspersky’s frustration with the malware of the 80s and 90s led to the founding of antivirus and cybersecurity vendor Kaspersky Lab.

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Accountability Cybersecurity Penetration Testing InfoSec 139

SecureList

MAY 27, 2022

Our analysis of the rogue firmware, and other malicious artefacts from the target’s network, revealed that the threat actor behind it had tampered with the firmware to embed malware that we call MoonBounce. In the second half of 2021, the most affected countries were France, Japan, India, China, Germany and South Korea.

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Phishing Spyware Firmware Malware 117

Security Affairs

JULY 7, 2021

According to the recent research published by ReSecurity on Twitter, starting January 2021 REVil leveraged a new domain ‘decoder[.]re’ Ransomware #Cybersecurity #ThreatIntel #ThreatHunting #Malware pic.twitter.com/G32IrY2GxD — Resecurity (@resecurity_com) July 7, 2021.

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Ransomware DNS IoT Retail 118

SecureList

OCTOBER 26, 2021

This is our latest installment, focusing on activities that we observed during Q3 2021. Following this, they were tricked into downloading previously unknown malware. The backdoor, dubbed Tomiris, bears a number of similarities to the second-stage malware, Sunshuttle (aka GoldMax), used by DarkHalo last year.

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Malware Government Surveillance Spyware 144

Cisco Security

MAY 27, 2022

Malware Threat Intelligence made easy and available, with Cisco Secure Malware Analytics and SecureX by Ben Greenbaum . In addition to the Meraki networking gear, Cisco Secure also shipped two Umbrella DNS virtual appliances to Black Hat Asia, for internal network visibility with redundancy, in addition to providing: .

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Malware Accountability DNS Technology 73

SecureList

FEBRUARY 16, 2021

The DTLS (Datagram Transport Layer Security) protocol is used to establish secure connections over UDP, through which most DNS queries, as well as audio and video traffic, are sent. What Q1 2021 will bring is hard to say. If cryptocurrencies begin to fall in price in Q1 2021, the number of DDoS attacks will rise, and vice versa.

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DDOS Cryptocurrency Marketing Internet 136

Herjavec Group

AUGUST 26, 2021

We can learn a lot from the cybercrime of the past…the history of cybercrime is a glimpse into what we can expect in the future. In the past 18 months, we’ve experienced the beginning of an era that has seen cybersecurity and cybercrime at the center of it all. Dateline Cybercrime . Robert Herjavec.

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Cybercrime Computers and Electronics Banking Hacking 135