Webroot

SEPTEMBER 7, 2023

The number of ransomware attacks has increased by 18% , while the worldwide volume of phishing attacks doubled to 500 million in 2022. Depending on the size of the business, one-third to two-thirds of businesses suffer malware attacks in any given year. Cybercrime is on the rise. And those attacks are costing companies a lot of money.

Encryption 88

Encryption Cyber Insurance Cybercrime Phishing 88

Webroot

FEBRUARY 16, 2021

In recent months, you’ve likely heard about DNS over HTTPS , also known as DNS 2.0 and DoH, which is a method that uses the HTTPS protocol to encrypt DNS requests, shielding their contents from malicious actors and others who might misuse such information. Ultimately, this DNS privacy upgrade has been a long time coming.

DNS 69

DNS Encryption Firewall Network Security 69

Malwarebytes

JANUARY 22, 2024

These targets are approached in spear phishing attacks. The group uses social engineering techniques to persuade their targets to open documents or download malware. Once a relationship has been established, the target will receive a phishing link or a document containing such a link.

Social Engineering 91

Social Engineering Government Media DNS 91

Security Affairs

MAY 15, 2023

“Lancefly’s custom malware, which we have dubbed Merdoor, is a powerful backdoor that appears to have existed since 2018.” The attack chain employed in 2020 started with a phishing email with a lure based on the 37th ASEAN Summit. The intelligence-gathering campaign started in mid-2022 and is likely still ongoing.

Encryption 82

Encryption DNS Phishing Malware 82

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

Security Affairs

JANUARY 29, 2023

If you want to also receive for free the newsletter with the international press subscribe here.

DNS 85

DNS Data breaches Hacking Backups 85

CyberSecurity Insiders

MARCH 21, 2021

With a VPN like Surfshark to encrypt your online traffic and keep it protected against any security breach, your valuable data isn’t going to get compromised easily anytime soon. Anti-virus and anti-malware . Cloud storage solutions are scalable and have the highest standards of data security and encryption protocols.

Small Business 145

Small Business Cyber Attacks VPN Backups 145

Security Affairs

JULY 11, 2022

A large-scale phishing campaign leveraging the Anubis Network is targeting Brazil and Portugal since March 2022. A large-scale phishing campaign is targeting Internet-end users in Brazil and Portugal since March 2022. Figure 1: High-level diagram of the ANUBIS phishing network and its components (2020). The Phishing template.

Phishing 100

Phishing Social Engineering Banking Engineering 100

SecureList

DECEMBER 1, 2023

To exfiltrate data and deliver next-stage malware, the attackers abuse cloud-based data storage, such as Dropbox or Yandex Disk, as well as a temporary file sharing service. libssl.dll or libcurl.dll was statically linked to implants to implement encrypted C2 communications. org domain. org domain did not occur in all cases.

Malware 90

Malware Ransomware Encryption Energy and Utilities 90

eSecurity Planet

DECEMBER 8, 2023

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. TLS and HTTPS inherently create secured and encrypted sessions for communication.

DNS 113

DNS DDOS Firewall Architecture 113

CyberSecurity Insiders

JANUARY 6, 2022

Many people still don’t realize the dangers of phishing, malware, ransomware, unpatched software, and weak passwords. Secure Sockets Layer (SSL) is a standard security protocol that encrypts the connection between a web browser and a server. HTTPS and DNS), data link (e.g., Use data encryption.

Encryption 134

Encryption Identity Theft Authentication Data breaches 134

Security Boulevard

MAY 17, 2023

Most of these steps could’ve been blocked with the aid of DNS protection. It would be easy to chalk up this increase to the development and introduction of new advanced types of malware, but the surprising fact is that many of the same threats and exploits used in data breaches in 2013 are still being successfully employed 10 years later.

Data breaches 52

Data breaches DNS Malware Phishing 52

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. A successful password cracking enables hackers to execute arbitrary commands on a device and inject malware. Statista portal predicts their number will exceed 29 billion by 2030. Tested, tried.

IoT 85

IoT DDOS Passwords Malware 85

Troy Hunt

JULY 12, 2018

The rapid adoption has been driven by a combination of ever more visible browser warnings (it was Chrome and Firefox's changes which prompted the aforementioned tipping point post), more easily accessible certificates via both Let's Encrypt and Cloudflare and a growing awareness of the risks that unencrypted traffic presents. DNS Hijacking.

DNS 277

DNS Wireless Risk Banking 277

Security Boulevard

JANUARY 17, 2024

Figure 1 — Cloudflare RBI Diagram The primary focus of RBI is to prevent user interactions with web-based malware such as cross-site scripting (XSS), drive-by downloads, and various forms of malicious JavaScript. This can be due to encryption or even size. In this function, it does an excellent job.

DNS 64

DNS Penetration Testing Passwords Encryption 64

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. It’s thought that the malware was spread through a vulnerability in the software.

Malware 72

Malware Spyware Cryptocurrency Government 72

eSecurity Planet

MARCH 14, 2022

Cobalt Strike – now owned by HelpSystems – provides various packages and tools to detect outdated software, generate malware , test endpoints , or run spear phishing campaigns that maximize success rate. In other words, it emulates all adversarial techniques, including the sophisticated ones, in a pretty efficient way.

Energy and Utilities 131

Energy and Utilities DNS Penetration Testing Ransomware 131

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. Ad blockers, as the name suggests, block advertisements and protects you from phishing scams. Ad Blockers.

Identity Theft 40

Identity Theft Backups VPN Antivirus 40

Security Boulevard

JUNE 28, 2023

Now, ransomware attacks often include data exfiltration, which victimizes targeted organizations twice: Hackers might demand money to de-encrypt a company’s data and threaten to sell that data on the dark web. And they may keep the data once the ransom is paid regardless. If that sounds like the plot of a Tom Clancy novel, think again.

Cybersecurity 59

Cybersecurity DNS Ransomware Malware 59

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. MAC address. F1B5675E1A60049C7CD. 823EBA93FE977. Janicab 1.2.9a.

Malware 103

Malware DNS Engineering Internet 103

Malwarebytes

JANUARY 26, 2023

Like many other ransomware gangs, Vice Society is known to steal information from victims' networks before encryption for the purposes of double extortion—threatening to publish the data on the dark web unless you pay up the ransom they demand. See where we’re going with this?

Education 87

Education Ransomware Phishing DNS 87

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 105

Malware Adware Spyware Antivirus 105

Fox IT

JUNE 29, 2022

Flubot is an Android based malware that has been distributed in the past 1.5 An important part of the popularity of Flubot is due to the distribution strategy used in its campaigns, since it has been using the infected devices to send text messages, luring new victims into installing the malware from a fake website. Introduction.

Banking 97

Banking Malware DNS Encryption 97

SecureList

JANUARY 13, 2022

The group seems to work more like a unit within a larger formation of Lazarus attackers, with the ability to tap into its vast resources: be it malware implants, exploits, or infrastructure. Abusing a dccw.exe file is a known technique and we suspect the malware authors used it to run the next stage malware with high privilege.

Cryptocurrency 125

Cryptocurrency Malware Accountability Banking 125

Security Affairs

DECEMBER 7, 2019

In June malware researchers from Cybaze-Yoroi spotted a new suspicious activity potentially linked to the popular APT group. State-sponsored hackers launched spear-phishing attackes using weaponized documents. Upon reboot, the VBScript performs an HTTP GET request to fetch an encrypted stage from a dynamic DNS domain.

Government 57

Government Advertising Media DNS 57

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. Instead, the real IP address of the C2 is obfuscated with what is essentially an encryption algorithm.

DNS 79

DNS Banking Advertising Ransomware 79

Pen Test Partners

SEPTEMBER 13, 2023

Section 3 Sensitive authentication data must now be encrypted or protected if stored before authorization. Disk level encryption is no longer permitted for protection unless it is a form of removeable media (e.g., IDS/IPS solutions must detect and alert on any covert malware communications being used such as DNS tunnelling.

Authentication 52

Authentication Passwords Media Encryption 52

Security Affairs

AUGUST 7, 2019

Indeed during the group_a, the main observed delivery techniques where about Phishing (rif.T1193) and Valid Accounts (rif.T1078). From group_b to group_d time frame OilRig started a more sophisticated Spear Phishing (rif.T1193) campaigns within malicious attachments as their main threat delivery activity. Delivery Technique Over Time.

Computers and Electronics 80

Computers and Electronics Penetration Testing DNS Phishing 80

Security Boulevard

FEBRUARY 26, 2021

As modular and more extensive malware has become ubiquitous, adversaries are diversifying and adopting more strategic and multi-stage tactics. Or they might move the data out slowly through protocols such as DNS. Shift from spray and pray to cultivate and curate – rise of the hands-on ransomware attack.

Ransomware 59

Ransomware Encryption Phishing DNS 59

Security Affairs

DECEMBER 20, 2018

The Cybaze -Yoroi ZLab dissected one of these recent Danabot variants spread across the Italian cyberspace leveraging “ Fattura ” themed phishing emails (e.g. 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.

Banking 73

Banking Malware Internet Internet 73

SecureList

NOVEMBER 26, 2021

The PyInstaller module for Windows contains a script named “Guard” Interestingly, this malware was developed for both Windows and macOS operating systems. The attackers obtain initial access to a system by sending a spear-phishing email to the victim containing a Dropbox download link.

Malware 85

Malware Banking Energy and Utilities Accountability 85

eSecurity Planet

JUNE 8, 2023

Email security consists of the policies, tools, and services deployed to protect against threats specific to email such as spam, phishing attacks, malware-infested attachments, impersonation, and email interception.

Firewall 79

Firewall DNS Authentication Malware 79

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 77

Malware Phishing DNS Engineering 77

Security Boulevard

OCTOBER 21, 2022

Recently, Zscaler ThreatLabz discovered a new malware being used by the SideWinder APT threat group in campaigns targeting Pakistan: a backdoor we’ve called “WarHawk.” Following is the Decoy PDF executed by the LNK File with the Subject: Phishing Site - Masqueraded Links (Advisory No. Beacon Type: Hybrid HTTP DNS. OneDrive.exe.

DNS 52

DNS Phishing Malware Government 52

Security Affairs

AUGUST 20, 2019

Like most APTs, Silence uses phishing emails to infect their victims. Ivoke was detected by Group-IB’s Threat Intelligence team in May 2019, when Silence sent out phishing emails purporting to be from a bank’s client with a request to block a card. Within the sound of Silence. New tools and techniques uncovered.

Banking 55

Banking Cybercrime Cybersecurity Advertising 55

SecureList

APRIL 24, 2023

Introduction We introduced Tomiris to the world in September 2021, following our investigation of a DNS-hijack against a government organization in the Commonwealth of Independent States (CIS). We hypothesize that the general aim is to provide operators with “full-spectrum malware” in order to evade security products.

Malware 88

Malware DNS Government Software 88

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).

DNS 86

DNS Wireless Malware Firewall 86